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本项目要求实现基于MVC模式三层架构的物流公司信息管理系统的前后端设计,要求前端以企业公司官网的形式展现。设计一个后台管理系统,可以管理前端界面的数据信息。 # **一、框架搭建** 在现有项目的src目录下分别创建如下包。 包的命名规范为:com.姓名汉语拼音**加学号后三位**.功能模块英文名称 比如:com.baishenghua100.pojo **1.创建pojo包,包名为:** **com.baishenghua100.pojo** **2.创建utils包,包名为:** **com.baishenghua100.utils** **3.创建dao包,包名为:** **com.baishenghua100.dao** **4.创建dao的实现包impl,包名为:** **com.baishenghua100.dao.impl** **5.创建controller包,包名为:** **com.baishenghua100.controller** **6.创建services包,包名为:** **com.baishenghua100.services** **7.创建services包的实现包impl,包名为:** **com.baishenghua100.services.impl** **8.创建测试包test,包名为:** **com.baishenghua100.test** **9.创建过滤器包filter,包名为** **com.baishenghua100.filter** 然后分别在各个包下创建对应的类和接口 ![](https://img.kancloud.cn/cb/7a/cb7a7999e5cffe737a50b1fff5cf700a_593x1357.png) ![](https://img.kancloud.cn/be/69/be697a3702f122742eae85649752033c_501x1302.png) ![](https://img.kancloud.cn/2a/86/2a8664189c3bbbd6c626f02e6649023f_274x244.png) # **二、具体实现步骤:** ## **1.创建pojo包,包名为:com.baishenghua100.pojo** 在该包下创建以下类: ### **1.1创建导航菜单类** >创建导航菜单类Menu100.java 四个个属性:菜单编号、菜单名称、菜单地址和菜单序号。属性名上也加上学号后三位 重写hashCode()和equals()方法 重写toString()方法 实现可序列化接口 创建有参和无参构造方法 ![](http://h.yiniuedu.com/c1ddc9a35b244ca11c17e53291013bc1) ``` package com.baishenghua300.pojo; import java.io.Serializable; /** * Menu300.java(导航菜单类) * @desc 导航菜单 * @author 柏圣华 * @date 2021-10-21 * */ public class Menu300 implements Serializable{ private static final long serialVersionUID = 1L; private int id300;//导航菜单编号 private String menuName300;//导航菜单名称 private String menuURL300;//导航菜单地址 private String menuNo300;//导航菜单序号 public Menu300() {//无参构造方法 super(); } //有参构造方法 public Menu300(int id300, String menuName300, String menuURL300, String menuNo300) { super(); this.id300 = id300; this.menuName300 = menuName300; this.menuURL300 = menuURL300; this.menuNo300 = menuNo300; } @Override public String toString() { return "Menu300 [id300=" + id300 + ", menuName300=" + menuName300 + ", menuURL300=" + menuURL300 + ", menuNo300=" + menuNo300 + "]"; } @Override public int hashCode() { final int prime = 31; int result = 1; result = prime * result + id300; result = prime * result + ((menuName300 == null) ? 0 : menuName300.hashCode()); result = prime * result + ((menuNo300 == null) ? 0 : menuNo300.hashCode()); result = prime * result + ((menuURL300 == null) ? 0 : menuURL300.hashCode()); return result; } @Override public boolean equals(Object obj) { if (this == obj) return true; if (obj == null) return false; if (getClass() != obj.getClass()) return false; Menu300 other = (Menu300) obj; if (id300 != other.id300) return false; if (menuName300 == null) { if (other.menuName300 != null) return false; } else if (!menuName300.equals(other.menuName300)) return false; if (menuNo300 == null) { if (other.menuNo300 != null) return false; } else if (!menuNo300.equals(other.menuNo300)) return false; if (menuURL300 == null) { if (other.menuURL300 != null) return false; } else if (!menuURL300.equals(other.menuURL300)) return false; return true; } public int getId300() { return id300; } public void setId300(int id300) { this.id300 = id300; } public String getMenuName300() { return menuName300; } public void setMenuName300(String menuName300) { this.menuName300 = menuName300; } public String getMenuURL300() { return menuURL300; } public void setMenuURL300(String menuURL300) { this.menuURL300 = menuURL300; } public String getMenuNo300() { return menuNo300; } public void setMenuNo300(String menuNo300) { this.menuNo300 = menuNo300; } } ``` ### **1.2创建公司信息类** >如何抽象设计,降低难度,只设计关于我们这个模块 创建公司信息类CompanyInfomation300.java 6个属性:编号、标题、图片、内容、编辑时间和序号,要求属性名上也加上学号后三位 重写hashCode()和equals()方法 重写toString()方法 实现可序列化接口 生成有参和无参构造方法 生成getter和setter方法 ``` package com.baishenghua300.pojo; import java.io.Serializable; /** * CompanyInfomation300.java(公司信息类) * @desc 导航菜单 * @author 柏圣华 * @date 2021-11-22 * */ public class CompanyInfomation300 implements Serializable{ private static final long serialVersionUID = 1L; private int ciId300;//公司信息编号 private String ciTitle300;//公司信息标题 private String ciImage300;//公司信息图片 private String ciContent300;//公司信息内容 private String ciEditDate300;//公司信息编辑时间 private int ciNo300;//公司信息序号 //生成setter和getter方法 //重写hashCode()、toString()和Equals()方法 //生成有参构造方法和无参构造方法 public int getCiId300() { return ciId300; } public void setCiId300(int ciId300) { this.ciId300 = ciId300; } public String getCiTitle300() { return ciTitle300; } public void setCiTitle300(String ciTitle300) { this.ciTitle300 = ciTitle300; } public String getCiImage300() { return ciImage300; } public void setCiImage300(String ciImage300) { this.ciImage300 = ciImage300; } public String getCiContent300() { return ciContent300; } public void setCiContent300(String ciContent300) { this.ciContent300 = ciContent300; } public String getCiEditDate300() { return ciEditDate300; } public void setCiEditDate300(String ciEditDate300) { this.ciEditDate300 = ciEditDate300; } public int getCiNo300() { return ciNo300; } public void setCiNo300(int ciNo300) { this.ciNo300 = ciNo300; } @Override public int hashCode() { final int prime = 31; int result = 1; result = prime * result + ((ciContent300 == null) ? 0 : ciContent300.hashCode()); result = prime * result + ((ciEditDate300 == null) ? 0 : ciEditDate300.hashCode()); result = prime * result + ciId300; result = prime * result + ((ciImage300 == null) ? 0 : ciImage300.hashCode()); result = prime * result + ciNo300; result = prime * result + ((ciTitle300 == null) ? 0 : ciTitle300.hashCode()); return result; } @Override public boolean equals(Object obj) { if (this == obj) return true; if (obj == null) return false; if (getClass() != obj.getClass()) return false; CompanyInfomation300 other = (CompanyInfomation300) obj; if (ciContent300 == null) { if (other.ciContent300 != null) return false; } else if (!ciContent300.equals(other.ciContent300)) return false; if (ciEditDate300 == null) { if (other.ciEditDate300 != null) return false; } else if (!ciEditDate300.equals(other.ciEditDate300)) return false; if (ciId300 != other.ciId300) return false; if (ciImage300 == null) { if (other.ciImage300 != null) return false; } else if (!ciImage300.equals(other.ciImage300)) return false; if (ciNo300 != other.ciNo300) return false; if (ciTitle300 == null) { if (other.ciTitle300 != null) return false; } else if (!ciTitle300.equals(other.ciTitle300)) return false; return true; } @Override public String toString() { return "CompanyInfomation300 [ciId300=" + ciId300 + ", ciTitle300=" + ciTitle300 + ", ciImage300=" + ciImage300 + ", ciContent300=" + ciContent300 + ", ciEditDate300=" + ciEditDate300 + ", ciNo300=" + ciNo300 + "]"; } public CompanyInfomation300(int ciId300, String ciTitle300, String ciImage300, String ciContent300, String ciEditDate300, int ciNo300) { super(); this.ciId300 = ciId300; this.ciTitle300 = ciTitle300; this.ciImage300 = ciImage300; this.ciContent300 = ciContent300; this.ciEditDate300 = ciEditDate300; this.ciNo300 = ciNo300; } public CompanyInfomation300() { super(); } } ``` ### **1.3创建用户信息类** >如何抽象设计,降低难度,只设计关于我们这个模块 创建用户信息类User300.java 6个属性:编号、姓名、性别、年龄、地址、QQ、邮箱、账号和mima ,要求属性名上也加上学号后三位 重写hashCode()和equals()方法 重写toString()方法 实现可序列化接口 生成有参和无参构造方法 生成getter和setter方法 ``` package com.baishenghua300.pojo; import java.io.Serializable; /** * User300.java(用户类) * @desc 描述用户的属性和方法 * @author 柏圣华 * @date 2021-11-26 * */ public class User300 implements Serializable{ private static final long serialVersionUID = 1L; private int id300; private String name300; private String gender300; private int age300; private String address300; private String qq300; private String email300; private String username300; private String password300; //生成setter和getter方法 //重写hashCode()、toString()和Equals()方法 //生成有参构造方法和无参构造方法 //实现可序列化接口 public User300() { super(); } public User300(int id300, String name300, String gender300, int age300, String address300, String qq300, String email300, String username300, String password300) { super(); this.id300 = id300; this.name300 = name300; this.gender300 = gender300; this.age300 = age300; this.address300 = address300; this.qq300 = qq300; this.email300 = email300; this.username300 = username300; this.password300 = password300; } @Override public String toString() { return "User300 [id300=" + id300 + ", name300=" + name300 + ", gender300=" + gender300 + ", age300=" + age300 + ", address300=" + address300 + ", qq300=" + qq300 + ", email300=" + email300 + ", username300=" + username300 + ", password300=" + password300 + "]"; } @Override public int hashCode() { final int prime = 31; int result = 1; result = prime * result + ((address300 == null) ? 0 : address300.hashCode()); result = prime * result + age300; result = prime * result + ((email300 == null) ? 0 : email300.hashCode()); result = prime * result + ((gender300 == null) ? 0 : gender300.hashCode()); result = prime * result + id300; result = prime * result + ((name300 == null) ? 0 : name300.hashCode()); result = prime * result + ((password300 == null) ? 0 : password300.hashCode()); result = prime * result + ((qq300 == null) ? 0 : qq300.hashCode()); result = prime * result + ((username300 == null) ? 0 : username300.hashCode()); return result; } @Override public boolean equals(Object obj) { if (this == obj) return true; if (obj == null) return false; if (getClass() != obj.getClass()) return false; User300 other = (User300) obj; if (address300 == null) { if (other.address300 != null) return false; } else if (!address300.equals(other.address300)) return false; if (age300 != other.age300) return false; if (email300 == null) { if (other.email300 != null) return false; } else if (!email300.equals(other.email300)) return false; if (gender300 == null) { if (other.gender300 != null) return false; } else if (!gender300.equals(other.gender300)) return false; if (id300 != other.id300) return false; if (name300 == null) { if (other.name300 != null) return false; } else if (!name300.equals(other.name300)) return false; if (password300 == null) { if (other.password300 != null) return false; } else if (!password300.equals(other.password300)) return false; if (qq300 == null) { if (other.qq300 != null) return false; } else if (!qq300.equals(other.qq300)) return false; if (username300 == null) { if (other.username300 != null) return false; } else if (!username300.equals(other.username300)) return false; return true; } public int getId300() { return id300; } public void setId300(int id300) { this.id300 = id300; } public String getName300() { return name300; } public void setName300(String name300) { this.name300 = name300; } public String getGender300() { return gender300; } public void setGender300(String gender300) { this.gender300 = gender300; } public int getAge300() { return age300; } public void setAge300(int age300) { this.age300 = age300; } public String getAddress300() { return address300; } public void setAddress300(String address300) { this.address300 = address300; } public String getQq300() { return qq300; } public void setQq300(String qq300) { this.qq300 = qq300; } public String getEmail300() { return email300; } public void setEmail300(String email300) { this.email300 = email300; } public String getUsername300() { return username300; } public void setUsername300(String username300) { this.username300 = username300; } public String getPassword300() { return password300; } public void setPassword300(String password300) { this.password300 = password300; } } ``` ## **2.创建utils包,包名为com.baishenghua100.utils** 在该包下创建以下类: ### **2.1 创建图片验证码类** >创建图片验证码类,首先这个类是一个servlet。命名为:CheckCode100.java 参见图片[验证码类](http://cms.yiniuedu.com/javawebstudy/2472193) ![](http://h.yiniuedu.com/30af3b8ad55aa9ed52cbe7361317e41a) ### **2.2创建数据库连接工具类** >创建数据库连接工具类DBConnection.java ``` package com.baishenghua300.utils; import java.sql.*; public class DBConnection300 { public static Connection getConn300() { Connection conn = null; try { Class.forName("com.mysql.jdbc.Driver"); conn = DriverManager.getConnection("jdbc:mysql://localhost/wms200?user=root&password=123456&useUnicode=true&characterEncoding=UTF-8"); } catch (ClassNotFoundException e) { e.printStackTrace(); }catch (SQLException e) { e.printStackTrace(); } return conn; } public static void main(String[] args) { getConn300(); } public static void close(Connection con,Statement stmt, PreparedStatement pstmt,ResultSet rs){ try { if(con != null){ con.close(); } } catch (SQLException e) { e.printStackTrace(); } try { if(stmt != null){ stmt.close(); } } catch (SQLException e) { e.printStackTrace(); } try { if(pstmt != null){ pstmt.close(); } } catch (SQLException e) { e.printStackTrace(); } try { if(rs != null){ rs.close(); } } catch (SQLException e) { e.printStackTrace(); } } } ``` ## **3.创建dao包,包名为:com.baishenghua100.dao** 在该包下创建以下类: ### **3.1创建导航菜单数据处理接口** >创建IMenuDao100接口,里面定义增删改查和一些复杂查询方法 查询所有菜单 根据条件查询部分菜单 查询指定的某个菜单 更新菜单 添加菜单 删除菜单 ![](http://h.yiniuedu.com/10fdc43cb49f62ae4259eab95cc6c686) ``` package com.baishenghua100.dao; import java.util.List; import com.baishenghua100.pojo.Menu100; /** * IMenuDao100.java(导航菜单数据处理接口) * @desc 主要定义一些方法:查询所有导航菜单、条件查询菜单、根据序号查询导航菜单以及添加、修改和删除菜单。 * @author 柏圣华 * @date 2021-10-21 * */ public interface IMenuDao100 { public List<Menu100> queryAll100();//查询所有导航菜单 public List<Menu100> queryByCond100(String condition100);//条件查询导航菜单 public Menu100 query100(Menu100 menu100);//根据序号查询导航菜单 public Menu100 add100(Menu100 menu100);//添加导航菜单 public Menu100 update100(Menu100 menu100);//修改导航菜单 public Menu100 delete100(Menu100 menu100);//删除导航菜单 } ``` ### **3.2创建公司信息数据处理接口** >创建ICompanyInfomationDao300接口,里面定义增删改查和一些复杂查询方法主要定义一些方法 查询所有公司信息 条件查询公司信息 序号查询公司信息 添加公司信息 修改公司信息 删除公司信息。 ``` package com.baishenghua300.dao; import java.util.List; import com.baishenghua300.pojo.CompanyInfomation300; /** * ICompanyInfomationDao300.java(公司信息数据处理接口) * @desc 主要定义一些方法:查询所有公司信息、条件查询公司信息、序号查询以及添加、修改和删除公司信息。 * @author 柏圣华 * @date 2021-11-22 * */ public interface ICompanyInfomationDao300 { public List<CompanyInfomation300> queryAll300();//查询所有公司信息 public List<CompanyInfomation300> queryByCond300(String condition300);//条件查询公司信息 public CompanyInfomation300 query300(CompanyInfomation300 ci300);//根据序号查询公司信息 public int add300(CompanyInfomation300 ci300);//添加公司信息 public int update300(CompanyInfomation300 ci300);//修改公司信息 public int delete300(CompanyInfomation300 ci300);//删除公司信息 } ``` ### **3.3创建用户信息数据处理接口** >创建 IUserDao300接口,里面定义增删改查和一些复杂查询方法主要定义一些方法 ``` package com.baishenghua300.dao; import java.util.List; import java.util.Map; import com.baishenghua300.pojo.User300; /** * IUserDao300.java(用户数据处理接口) * * @desc 主要定义一些方法:查询所有、条件查询、序号查询以及添加、修改和删除等方法。 * @author 柏圣华 * @date 2021-11-26 * */ public interface IUserDao300 { public List<User300> findAll();// 查询所有 User300 findUserByUsernameAndPassword(String username, String password);//用户登录验证 void add(User300 user);//添加方法 void delete(int id);//删除方法 User300 findById(int i);//根据序号查询方法 void update(User300 user);//更新方法 /** * 查询总记录数 * * @return * @param condition */ int findTotalCount(Map<String, String[]> condition); /** * 分页查询每页记录 * * @param start * @param rows * @param condition * @return */ List<User300> findByPage(int start, int rows, Map<String, String[]> condition); } ``` ## **4.创建dao的实现包impl,包名为:com.baishenghua100.dao.impl** 在该包下创建以下类: ### **4.1导航菜单数据处理具体实现类** >创建IMenuDao100接口的实现类MenuDaoImpl100类,并实现接口里面的所有方法 ![](http://h.yiniuedu.com/86e741a1a281164375e3a8e1d1cc799b) ``` package com.baishenghua300.dao.impl; import java.util.ArrayList; import java.util.List; import java.sql.*; import com.baishenghua300.dao.IMenuDao300; import com.baishenghua300.pojo.Menu300; import com.baishenghua300.utils.DBConnection300; /** * MenuDaoImpl300.java(导航菜单数据处理具体实现类) * @desc 主要实现接口里面的增删改查的方法(查询所有导航菜单、条件查询菜单、根据序号查询菜单以及添加、修改和删除菜单)。 * @author 柏圣华 * @date 2021-10-21 * */ public class MenuDaoImpl300 implements IMenuDao300 { @Override public List<Menu300> queryAll300() {//查询所有导航菜单信息的方法 List<Menu300> menusList = new ArrayList<Menu300>();//创建导航菜单的集合对象 Connection con = DBConnection300.getConn300();//获取数据库连接 PreparedStatement pstmt = null;//声明一个预处理变量 ResultSet rs = null;//声明一个结果集变量 String sql = "select id,menuName,menuURl,menuNo from t_menu";//查询所有菜单信息的sql语句 try { pstmt = con.prepareStatement(sql);//给预处理变量赋值,同时把sql语句传入预处理对象进行处理 rs = pstmt.executeQuery();//执行查询操作,并且把查询出来的所有结果保存到结果集rs里面 while (rs.next()) {//从结果集rs里面进行遍历(迭代)出数据, //从结果集中获取数据,然后构造一个菜单对象 Menu300 menu = new Menu300(rs.getInt(1), rs.getString(2), rs.getString(3),rs.getString(4)); System.out.println(menu.toString());//打印输出遍历的菜单menu对象 menusList.add(menu);//将菜单menu对象加入到菜单的集合对象mensList } } catch (SQLException e) { e.printStackTrace(); } finally { DBConnection300.close(con, null, pstmt, rs); } return menusList; } /** * 2.根据条件查询菜单信息 * @param condition300 (导航菜单的名称menuName) * @return 满足条件的导航菜单集合menusList */ @Override public List<Menu300> queryByCond300(String condition300) { List<Menu300> menusList = new ArrayList<Menu300>(); Connection con = DBConnection300.getConn300(); PreparedStatement pstmt = null; ResultSet rs = null; //采用的是模糊查询like String sql = "select id,menuName,menuURl,menuNo from t_menu where menuName like ?"; try { pstmt = con.prepareStatement(sql); //条件condition300就是导航菜单的名称,获取菜单的名称关键字,传给sql pstmt.setString(1, "%"+condition300+"%"); rs = pstmt.executeQuery();//执行查询方法 while (rs.next()) { Menu300 menu = new Menu300(rs.getInt(1), rs.getString(2), rs.getString(3),rs.getString(4)); System.out.println(menu.toString()); menusList.add(menu); } } catch (SQLException e) { e.printStackTrace(); } finally { DBConnection300.close(con, null, pstmt, rs); } return menusList; } /** * 3.精确查询导航菜单信息的方法(根据id查询) * @param menu300(传入参数,传入一个菜单,菜单的id属性要有值) * @return 返回从数据库表中查询出来的菜单信息menu */ @Override public Menu300 query300(Menu300 menu300) { Menu300 menu = null; Connection con = DBConnection300.getConn300(); PreparedStatement pstmt = null; ResultSet rs = null; String sql = "select id,menuName,menuURl,menuNo from t_menu where id = ?";//根据id查询 try { pstmt = con.prepareStatement(sql); pstmt.setInt(1, menu300.getId300());// 调用menu300的getId300()方法,获取菜单的编号,传给sql rs = pstmt.executeQuery();// 执行查询方法 while (rs.next()) { menu = new Menu300(rs.getInt(1), rs.getString(2), rs.getString(3),rs.getString(4)); System.out.println(menu); } } catch (SQLException e) { e.printStackTrace(); } finally { DBConnection300.close(con, null, pstmt, rs); } return menu; } /** * 4.添加导航菜单信息的方法 * @param menu300(传入参数,传入一个菜单对象) * @return flag代表执行操作结果,0代表执行失败,1代表执行成功。 */ @Override public int add300(Menu300 menu300) { Connection con = DBConnection300.getConn300(); PreparedStatement pstmt = null; String sql = "INSERT INTO t_menu (menuName,menuURl,menuNo) VALUES (?,?,?)"; int flag = 0;//flag代表执行操作结果,0代表执行失败,1代表执行成功。 try { pstmt = con.prepareStatement(sql); pstmt.setString(1, menu300.getMenuName300()); pstmt.setString(2, menu300.getMenuURL300()); pstmt.setString(3, menu300.getMenuNo300()); flag = pstmt.executeUpdate();// 执行添加操作 } catch (SQLException e) { e.printStackTrace(); } finally { DBConnection300.close(con, null, pstmt, null); } return flag; } /** * 5.更新导航菜单信息的方法 * @param menu300(传入参数,传入一个菜单对象) * @return flag代表执行操作结果,0代表执行失败,1代表执行成功。 */ @Override public int update300(Menu300 menu300) { Connection con = DBConnection300.getConn300(); PreparedStatement pstmt = null; String sql = "UPDATE t_menu SET menuName = ?, menuURl = ?, menuNo = ? where id= ?"; int flag = 0;//flag代表执行操作结果,0代表执行失败,1代表执行成功。 try { pstmt = con.prepareStatement(sql); pstmt.setString(1, menu300.getMenuName300()); pstmt.setString(2, menu300.getMenuURL300()); pstmt.setString(3, menu300.getMenuNo300()); pstmt.setInt(4, menu300.getId300()); flag = pstmt.executeUpdate();// 执行更新操作 } catch (SQLException e) { e.printStackTrace(); } finally { DBConnection300.close(con, null, pstmt, null); } return flag; } /** * 6.删除导航菜单信息的方法 * @param menu300(传入参数,传入一个菜单对象) * @return flag代表执行操作结果,0代表执行失败,1代表执行成功。 */ @Override public int delete300(Menu300 menu300) { int i = 0; Connection con = DBConnection300.getConn300(); PreparedStatement pstmt = null; String sql = "DELETE FROM t_menu WHERE id = ?"; try { pstmt = con.prepareStatement(sql); pstmt.setInt(1, menu300.getId300()); i = pstmt.executeUpdate();// 执行删除操作 } catch (SQLException e) { e.printStackTrace(); } finally { DBConnection300.close(con, null, pstmt, null); } return i; } } ``` ### **4.2公司信息数据处理具体实现类** >创建ICompanyInfomationDao300 接口的实现类CompanyInfomationDaoImpl300 类,并实现接口里面的所有方法 ``` package com.baishenghua300.dao.impl; import java.sql.Connection; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; import java.util.ArrayList; import java.util.List; import com.baishenghua300.dao.ICompanyInfomationDao300; import com.baishenghua300.pojo.CompanyInfomation300; import com.baishenghua300.utils.DBConnection300; /** * CompanyInfomationDaoImpl300.java(公司信息数据处理具体实现类) * @desc 主要实现接口里面的增删改查的方法(查询所有公司信息、条件查询、根据序号查询以及添加、修改和删除菜单)。 * @author 柏圣华 * @date 2021-11-22 * */ public class CompanyInfomationDaoImpl300 implements ICompanyInfomationDao300 { /** * 1.添加公司信息的方法 * @param ci300(传入参数,传入一个公司信息对象) * @return flag代表执行操作结果,0代表执行失败,1代表执行成功。 */ @Override public int add300(CompanyInfomation300 ci300) { Connection con = DBConnection300.getConn300(); PreparedStatement pstmt = null; String sql = "INSERT INTO t_companyinfo300 (ciTitle300,ciImage300,ciContent300,ciEditDate300,ciNo300) VALUES (?,?,?,?,?)"; int flag = 0;//flag代表执行操作结果,0代表执行失败,1代表执行成功。 try { pstmt = con.prepareStatement(sql); pstmt.setString(1, ci300.getCiTitle300()); pstmt.setString(2, ci300.getCiImage300()); pstmt.setString(3, ci300.getCiContent300()); pstmt.setString(4, ci300.getCiEditDate300()); pstmt.setInt(5, ci300.getCiNo300()); flag = pstmt.executeUpdate();// 执行添加操作 } catch (SQLException e) { e.printStackTrace(); } finally { DBConnection300.close(con, null, pstmt, null); } return flag; } /** * 2.查询所有公司信息的方法 * @return ciList代表执行查询后,获得的所有操作结果的集合 */ @Override public List<CompanyInfomation300> queryAll300() { // 查询所有信息的方法 List<CompanyInfomation300> ciList = new ArrayList<CompanyInfomation300>();// 创建集合对象 Connection con = DBConnection300.getConn300();// 获取数据库连接 PreparedStatement pstmt = null;// 声明一个预处理变量 ResultSet rs = null;// 声明一个结果集变量 String sql = "select ciId300,ciTitle300,ciImage300,ciContent300,ciEditDate300,ciNo300 from t_companyinfo300";// 查询所有的sql语句 try { pstmt = con.prepareStatement(sql);// 给预处理变量赋值,同时把sql语句传入预处理对象进行处理 rs = pstmt.executeQuery();// 执行查询操作,并且把查询出来的所有结果保存到结果集rs里面 while (rs.next()) {// 从结果集rs里面进行遍历(迭代)出数据, // 从结果集中获取数据,然后构造一个菜单对象 CompanyInfomation300 ci300 = new CompanyInfomation300(rs.getInt(1), rs.getString(2), rs.getString(3), rs.getString(4), rs.getString(5), rs.getInt(6)); System.out.println(ci300);// 打印输出遍历 ciList.add(ci300); } } catch (SQLException e) { e.printStackTrace(); } finally { DBConnection300.close(con, null, pstmt, rs); } return ciList; } /** * 3.根据标题进行模糊查询公司信息的方法 * @param condition300(传入参数,传入一个公司信息的标题) * @return ciList代表执行模糊查询后,获得的所有操作结果的集合 */ @Override public List<CompanyInfomation300> queryByCond300(String condition300) { // 查询满足条件的所有信息的方法 List<CompanyInfomation300> ciList = new ArrayList<CompanyInfomation300>();// 创建集合对象 Connection con = DBConnection300.getConn300();// 获取数据库连接 PreparedStatement pstmt = null;// 声明一个预处理变量 ResultSet rs = null;// 声明一个结果集变量 String sql = "select ciId300,ciTitle300,ciImage300,ciContent300,ciEditDate300,ciNo300 from t_companyinfo300 where ciTitle300 like ?";// 查询所有的sql语句 try { pstmt = con.prepareStatement(sql);// 给预处理变量赋值,同时把sql语句传入预处理对象进行处理 pstmt.setString(1, "%"+condition300+"%"); rs = pstmt.executeQuery();// 执行查询操作,并且把查询出来的所有结果保存到结果集rs里面 while (rs.next()) {// 从结果集rs里面进行遍历(迭代)出数据, // 从结果集中获取数据,然后构造一个菜单对象 CompanyInfomation300 ci300 = new CompanyInfomation300(rs.getInt(1), rs.getString(2), rs.getString(3), rs.getString(4), rs.getString(5), rs.getInt(6)); System.out.println(ci300);// 打印输出遍历 ciList.add(ci300); } } catch (SQLException e) { e.printStackTrace(); } finally { DBConnection300.close(con, null, pstmt, rs); } return ciList; } /** * 4.根据编号进行精准查询公司信息的方法 * @param ci300(传入参数,传入一个公司信息) * @return cif300代表执行精准查询后,获得的公司信息对象 */ @Override public CompanyInfomation300 query300(CompanyInfomation300 ci300) { // 查询所有信息的方法 CompanyInfomation300 cif300 = null; Connection con = DBConnection300.getConn300();// 获取数据库连接 PreparedStatement pstmt = null;// 声明一个预处理变量 ResultSet rs = null;// 声明一个结果集变量 String sql = "select ciId300,ciTitle300,ciImage300,ciContent300,ciEditDate300,ciNo300 from t_companyinfo300 where ciId300 = ?";// 查询所有的sql语句 try { pstmt = con.prepareStatement(sql);// 给预处理变量赋值,同时把sql语句传入预处理对象进行处理 pstmt.setInt(1, ci300.getCiId300()); rs = pstmt.executeQuery();// 执行查询操作,并且把查询出来的所有结果保存到结果集rs里面 while (rs.next()) {// 从结果集rs里面进行遍历(迭代)出数据, // 从结果集中获取数据,然后构造一个菜单对象 cif300 = new CompanyInfomation300(rs.getInt(1), rs.getString(2), rs.getString(3), rs.getString(4), rs.getString(5), rs.getInt(6)); System.out.println("ci300="+cif300);// 打印输出遍历 } } catch (SQLException e) { e.printStackTrace(); } finally { DBConnection300.close(con, null, pstmt, rs); } return cif300; } /** * 5.根据编号更新公司信息的方法 * @param ci300(传入参数,传入一个公司信息) * @return flag代表执行更新操作结果,0代表执行失败,1代表执行成功。 */ @Override public int update300(CompanyInfomation300 ci300) { Connection con = DBConnection300.getConn300(); PreparedStatement pstmt = null; String sql = "UPDATE t_companyinfo300 SET ciTitle300 = ?, ciImage300 = ?, ciContent300 = ? ,ciEditDate300 = ?,ciNo300=? where ciId300= ?"; int flag = 0;//flag代表执行操作结果,0代表执行失败,1代表执行成功。 try { pstmt = con.prepareStatement(sql); pstmt.setString(1, ci300.getCiTitle300()); pstmt.setString(2, ci300.getCiImage300()); pstmt.setString(3, ci300.getCiContent300()); pstmt.setString(4, ci300.getCiEditDate300()); pstmt.setInt(5,ci300.getCiNo300()); pstmt.setInt(6,ci300.getCiId300()); flag = pstmt.executeUpdate();// 执行更新操作 } catch (SQLException e) { e.printStackTrace(); } finally { DBConnection300.close(con, null, pstmt, null); } return flag; } /** * 6.根据编号删除公司信息的方法 * @param ci300(传入参数,传入一个公司信息) * @return flag代表执行删除操作结果,0代表执行失败,1代表执行成功。 */ @Override public int delete300(CompanyInfomation300 ci300) { int i = 0; Connection con = DBConnection300.getConn300(); PreparedStatement pstmt = null; String sql = "DELETE FROM t_companyinfo300 WHERE ciId300 = ?"; try { pstmt = con.prepareStatement(sql); pstmt.setInt(1, ci300.getCiId300()); i = pstmt.executeUpdate();// 执行删除操作 } catch (SQLException e) { e.printStackTrace(); } finally { DBConnection300.close(con, null, pstmt, null); } return i; } } ``` ### **4.3用户信息数据处理具体实现类** >创建IUserDao300接口的实现类UserDaoImpl300类,并实现接口里面的所有方法 ``` package com.baishenghua300.dao.impl; import java.sql.Connection; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; import java.util.ArrayList; import java.util.List; import java.util.Map; import com.baishenghua300.dao.IUserDao300; import com.baishenghua300.pojo.Menu300; import com.baishenghua300.pojo.User300; import com.baishenghua300.utils.DBConnection300; /** * UserDaoImpl300.java(用户数据处理具体实现类) * @desc 主要实现接口里面的增删改查的方法(查询所有、条件查询、根据序号查询以及添加、修改和删除)。 * @author 柏圣华 * @date 2021-11-26 * */ public class UserDaoImpl300 implements IUserDao300 { @Override public List<User300> findAll() {// 查询所有信息的方法 List<User300> uList = new ArrayList<User300>();// 创建集合对象 Connection con = DBConnection300.getConn300();// 获取数据库连接 PreparedStatement pstmt = null;// 声明一个预处理变量 ResultSet rs = null;// 声明一个结果集变量 String sql = "select * from user";// 查询所有信息的sql语句 try { pstmt = con.prepareStatement(sql);// 给预处理变量赋值,同时把sql语句传入预处理对象进行处理 rs = pstmt.executeQuery();// 执行查询操作,并且把查询出来的所有结果保存到结果集rs里面 while (rs.next()) {// 从结果集rs里面进行遍历(迭代)出数据, // 从结果集中获取数据,然后构造一个菜单对象 User300 menu = new User300(rs.getInt(1), rs.getString(2), rs.getString(3), rs.getInt(4), rs.getString(5),rs.getString(6),rs.getString(7),rs.getString(8),rs.getString(9)); System.out.println(menu.toString());// 打印输出遍历的对象 uList.add(menu);// 将对象加入到集合对象uList } } catch (SQLException e) { e.printStackTrace(); } finally { DBConnection300.close(con, null, pstmt, rs); } return uList; } @Override public User300 findUserByUsernameAndPassword(String username, String password) {//根据账号和密码进行查询的方法 User300 u = null; Connection con = DBConnection300.getConn300(); PreparedStatement pstmt = null; ResultSet rs = null; String sql = "select * from user where username = ? and password = ?"; try { pstmt = con.prepareStatement(sql); pstmt.setString(1, username); pstmt.setString(2, password); rs = pstmt.executeQuery();// 执行查询方法 while (rs.next()) { u = new User300(rs.getInt(1), rs.getString(2), rs.getString(3), rs.getInt(4), rs.getString(5), rs.getString(6), rs.getString(7), rs.getString(8), rs.getString(9)); System.out.println(u); } } catch (SQLException e) { e.printStackTrace(); } finally { DBConnection300.close(con, null, pstmt, rs); } return u; } @Override public void add(User300 user) {//添加方法 Connection con = DBConnection300.getConn300(); PreparedStatement pstmt = null; String sql = "insert into user values(null,?,?,?,?,?,?,null,null)"; try { pstmt = con.prepareStatement(sql); pstmt.setString(1, user.getName300()); pstmt.setString(2, user.getGender300()); pstmt.setInt(3, user.getAge300()); pstmt.setString(4, user.getAddress300()); pstmt.setString(5, user.getQq300()); pstmt.setString(6, user.getEmail300()); pstmt.executeUpdate();// 执行添加操作 } catch (SQLException e) { e.printStackTrace(); } finally { DBConnection300.close(con, null, pstmt, null); } } @Override public void delete(int id) {//删除方法 Connection con = DBConnection300.getConn300(); PreparedStatement pstmt = null; String sql = "delete from user where id = ?"; try { pstmt = con.prepareStatement(sql); pstmt.setInt(1, id); pstmt.executeUpdate();// 执行删除操作 } catch (SQLException e) { e.printStackTrace(); } finally { DBConnection300.close(con, null, pstmt, null); } } @Override public User300 findById(int id) { // 根据id进行查询的方法 User300 u = null; Connection con = DBConnection300.getConn300(); PreparedStatement pstmt = null; ResultSet rs = null; String sql = "select * from user where id = ?"; try { pstmt = con.prepareStatement(sql); pstmt.setInt(1, id); rs = pstmt.executeQuery();// 执行查询方法 while (rs.next()) { u = new User300(rs.getInt(1), rs.getString(2), rs.getString(3), rs.getInt(4), rs.getString(5), rs.getString(6), rs.getString(7), rs.getString(8), rs.getString(9)); System.out.println(u); } } catch (SQLException e) { e.printStackTrace(); } finally { DBConnection300.close(con, null, pstmt, rs); } return u; } @Override public void update(User300 user) { Connection con = DBConnection300.getConn300(); PreparedStatement pstmt = null; String sql = "update user set name = ?,gender = ? ,age = ? , address = ? , qq = ?, email = ? where id = ?"; try { pstmt = con.prepareStatement(sql); pstmt.setString(1, user.getName300()); pstmt.setString(2, user.getGender300()); pstmt.setInt(3, user.getAge300()); pstmt.setString(4, user.getAddress300()); pstmt.setString(5, user.getQq300()); pstmt.setString(6, user.getEmail300()); pstmt.setInt(7, user.getId300()); System.out.println("update-user-"+user); int flag = pstmt.executeUpdate();// 执行更新操作 System.out.println("update-user-flag"+flag); } catch (SQLException e) { e.printStackTrace(); } finally { DBConnection300.close(con, null, pstmt, null); } } @Override public int findTotalCount(Map<String, String[]> condition) { return 0;//先不实现 } @Override public List<User300> findByPage(int start, int rows, Map<String, String[]> condition) { return null;//先不实现 } } ``` ## **5.创建controller包,包名为:com.baishenghua100.controller** 在该包下创建以下类: ### **5.1创建菜单信息控制类** >创建MenuServlet100 ![](http://h.yiniuedu.com/deec7108152ac5a68a0a487716f7611f) ``` package com.baishenghua300.controller; import java.io.IOException; import java.util.List; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import com.baishenghua300.pojo.Menu300; import com.baishenghua300.services.IMenuService300; import com.baishenghua300.services.impl.MenuServiceImpl300; /** * MenuServlet300.java(导航菜单控制器类) * @desc 主要控制导航菜单模型数据和视图展示 * @author 柏圣华 * @date 2021-10-21 * */ @WebServlet("/MenuServlet300") public class MenuServlet300 extends HttpServlet { private static final long serialVersionUID = 1L; IMenuService300 ims300 = new MenuServiceImpl300(); protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String method = request.getParameter("method"); //method的取值有editMenu、deleteMenu、addMenu、updateMenu、queryAllMenu Menu300 menu300 = new Menu300(); System.out.println("当前操作:"+method+" MenuServlet300"+"——执行"); if("addMenu".equalsIgnoreCase(method)) {//添加导航菜单信息操作 String menuNo300 = request.getParameter("menuNo300");//获取AddMenu.jsp界面菜单序号的输入框的值 String menuName300 = request.getParameter("menuName300");//获取AddMenu.jsp界面菜单名称的输入框的值 String menuURL300 = request.getParameter("menuURL300");//获取AddMenu.jsp界面菜单地址的输入框的值 menu300.setMenuNo300(menuNo300);//给menu300的属性MenuNo300设置值(menuNo300变量保存的值) menu300.setMenuName300(menuName300);//给menu300的属性MenuName300设置值(menuName300变量保存的值) menu300.setMenuURL300(menuURL300);//给menu300的属性MenuURL300设置值(menuURL300变量保存的值) System.out.println("当前操作:"+method+" MenuServlet300"+"if分支addMenu"+menu300+"——执行"); //调用服务层接口实现类的添加方法,把AddMenu.jsp界面获取的数据添加到数据库表中 int flag = ims300.add300(menu300); System.out.println("当前操作:"+method+" MenuServlet300"+"if分支addMenu"+menu300+"——执行ims300.add300()之后"+flag); //添加完成数据之后,直接跳转到查询所有的界面,数据量少可以之跳转,数据量多就要分页 queryAll(request,response); }else if("editMenu".equalsIgnoreCase(method)) {//编辑导航菜单信息操作 String id300 = request.getParameter("id300");//获取main.jsp界面菜单编号的值 System.out.println("当前操作:"+method+" MenuServlet300"+"if分支editMenu"+id300+"——执行"); //Integer.parseInt(id300)使用Integer类的parseInt()方法,把id300字符串形式的值,转化为int类型 menu300.setId300(Integer.parseInt(id300)); menu300 = ims300.query300(menu300);//根据点击main.jsp页面的编辑获取菜单的编号,去数据库表中查询这个菜单信息 System.out.println("当前操作:"+method+" MenuServlet300"+"if分支editMenu"+menu300+"——执行ims300.query300()之后"); request.setAttribute("menu", menu300);//把数据库表中的menu信息放到request的menu属性里面 request.getRequestDispatcher("EditMenu.jsp").forward(request, response);// 转发到EditMenu.jsp页面上去 }else if("deleteMenu".equalsIgnoreCase(method)) {//删除导航菜单信息操作 String id300 = request.getParameter("id300");//获取main.jsp界面菜单编号的值 System.out.println("当前操作:"+method+" MenuServlet300"+"if分支deleteMenu"+id300+"——执行"); menu300.setId300(Integer.parseInt(id300)); int flag = ims300.delete300(menu300);//调用服务层接口实现类的删除方法,删除菜单menu300 System.out.println("当前操作:"+method+" MenuServlet300"+"if分支deleteMenu"+menu300+"——执行ims300.delete300()之后"+flag); queryAll(request,response); }else if("updateMenu".equalsIgnoreCase(method)) {//编辑导航菜单信息操作 String id300 = request.getParameter("id300");//获取EditMenu.jsp界面菜单编号的值 System.out.println("当前操作:"+method+" MenuServlet300"+"if分支updateMenu"+id300+"——执行"); menu300.setId300(Integer.parseInt(id300)); String menuNo300 = request.getParameter("menuNo300");//获取EditMenu.jsp界面菜单序号的输入框的值 String menuName300 = request.getParameter("menuName300");//获取EditMenu.jsp界面菜单名称的输入框的值 String menuURL300 = request.getParameter("menuURL300");//获取EditMenu.jsp界面菜单地址的输入框的值 menu300.setMenuNo300(menuNo300);//给menu300的属性MenuNo300设置值(menuNo300变量保存的值) menu300.setMenuName300(menuName300);//给menu300的属性MenuName300设置值(menuName300变量保存的值) menu300.setMenuURL300(menuURL300);//给menu300的属性MenuURL300设置值(menuURL300变量保存的值) System.out.println("当前操作:"+method+" MenuServlet300"+"if分支updateMenu"+menu300+"——执行"); int flag = ims300.update300(menu300);//调用服务层接口实现类的更新方法,更新菜单menu300 System.out.println("当前操作:"+method+" MenuServlet300"+"if分支deleteMenu"+menu300+"——执行ims300.updateMenu()之后"+flag); queryAll(request,response); }else if("queryAllMenu".equalsIgnoreCase(method)) {//查询所有导航菜单信息操作 queryAll(request,response); }else {//查询所有导航菜单信息操作 queryAll(request,response); } } /** * 查询所有导航菜单信息的方法 * @param request 请求 * @param response 响应 * @throws ServletException Servlet异常 * @throws IOException IO异常 */ protected void queryAll(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { List<Menu300> menusList = ims300.queryAll300();// 调用服务层接口实现类的查询所有方法 request.setAttribute("menus", menusList);// 把查询出来的导航菜单数据集合放到request里面 request.getRequestDispatcher("main.jsp").forward(request, response);// 转发到main.jsp页面上去 } protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doGet(request, response); } } ``` ### **5.2创建公司信息访问控制类** >创建CompanyInfomationController300.java,代码如下 ``` package com.baishenghua300.controller; import java.io.IOException; import java.util.List; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import com.baishenghua300.pojo.CompanyInfomation300; import com.baishenghua300.pojo.Menu300; import com.baishenghua300.services.ICompanyInfomationService300; import com.baishenghua300.services.impl.CompanyInfomationServiceImpl300; /** * CompanyInfomationController300.java(公司信息控制器类) * @desc 主要控制公司信息模型数据和视图展示 * @author 柏圣华 * @date 2021-11-22 * */ @WebServlet("/companyInfoController300") public class CompanyInfomationController300 extends HttpServlet { private static final long serialVersionUID = 1L; ICompanyInfomationService300 cis300 = new CompanyInfomationServiceImpl300(); protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String method = request.getParameter("method"); //method的取值有editCompanyInfo、deleteCompanyInfo、addCompanyInfo、updateCompanyInfo、queryByCon CompanyInfomation300 ci300 = new CompanyInfomation300(); System.out.println("当前操作的是CompanyInfomationController300,执行"+method+" "+"————"); if("addCompanyInfo".equalsIgnoreCase(method)) {//添加导航菜单信息操作 System.out.println("当前操作的是CompanyInfomationController300,执行"+method+"if"+"———— "); ci300.setCiNo300(Integer.parseInt(request.getParameter("ciNo300"))); ci300.setCiTitle300(request.getParameter("ciTitle300")); ci300.setCiImage300(request.getParameter("ciImage300")); ci300.setCiContent300(request.getParameter("ciContent300")); ci300.setCiEditDate300(request.getParameter("ciEditDate300")); System.out.println("当前操作的是CompanyInfomationController300,执行"+method+"if"+" ci300 "+ci300); int flag = cis300.add300(ci300); System.out.println("当前操作的是CompanyInfomationController300,执行"+method+"if"+" ci300 " +ci300+"——执行cis300.add300方法之后 flag="+flag); queryAll(request,response);//查询所有 }else if("editCompanyInfo".equalsIgnoreCase(method)){ String ciId300 = request.getParameter("ciId300"); System.out.println("当前操作的是CompanyInfomationController300,执行"+method+"if"+"—ciId300="+ciId300); ci300.setCiId300(Integer.parseInt(ciId300)); ci300 = cis300.query300(ci300); System.out.println("当前操作的是CompanyInfomationController300,执行"+method+"if query300()方法"+"—ci300="+ci300); request.setAttribute("ci300", ci300); request.getRequestDispatcher("/WEB-INF/companyinfomanager/EditCompanyInfo300.jsp").forward(request, response);// 转发到EditMenu.jsp页面上去 }else if("updateCompanyInfo".equalsIgnoreCase(method)){ String ciId300 = request.getParameter("ciId300"); ci300.setCiId300(Integer.parseInt(ciId300)); ci300.setCiNo300(Integer.parseInt(request.getParameter("ciNo300"))); ci300.setCiTitle300(request.getParameter("ciTitle300")); ci300.setCiImage300(request.getParameter("ciImage300")); ci300.setCiContent300(request.getParameter("ciContent300")); ci300.setCiEditDate300(request.getParameter("ciEditDate300")); System.out.println("当前操作的是CompanyInfomationController300,执行"+method+"if"+" ci300 "+ci300); int flag = cis300.update300(ci300); System.out.println("当前操作的是CompanyInfomationController300,执行"+method+"if"+" ci300 " +ci300+"——执行cis300.update300方法之后 flag="+flag); queryAll(request,response);//查询所有 }else if("deleteCompanyInfo".equalsIgnoreCase(method)){ String ciId300 = request.getParameter("ciId300"); ci300.setCiId300(Integer.parseInt(ciId300)); System.out.println("当前操作的是CompanyInfomationController300,执行"+method+"if"+"—ciId300="+ciId300); int flag = cis300.delete300(ci300); System.out.println("当前操作的是CompanyInfomationController300,执行"+method+"if"+" ci300 " +ci300+"——执行cis300.delete300方法之后 flag="+flag); queryAll(request,response);//查询所有 }else if("queryByCon".equalsIgnoreCase(method)){ }else { queryAll(request,response);//查询所有 } } protected void queryAll(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { List<CompanyInfomation300> ciList = cis300.queryAll300();// 调用服务层接口实现类的查询所有方法 request.getSession().setAttribute("ciList", ciList);// 把查询出来的导航菜单数据集合放到request里面 request.getRequestDispatcher("/WEB-INF/companyinfomanager/CompanyInfoMain300.jsp").forward(request, response);// 转发到main.jsp页面上去 } protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doGet(request, response); } } ``` ### **5.3创建前端界面信息访问控制类** >创建IndexServlet,代码如下 ``` package com.baishenghua300.controller; import java.io.IOException; import java.util.List; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import com.baishenghua300.dao.IMenuDao300; import com.baishenghua300.dao.impl.MenuDaoImpl300; import com.baishenghua300.pojo.CompanyInfomation300; import com.baishenghua300.pojo.Menu300; import com.baishenghua300.services.ICompanyInfomationService300; import com.baishenghua300.services.IMenuService300; import com.baishenghua300.services.impl.CompanyInfomationServiceImpl300; import com.baishenghua300.services.impl.MenuServiceImpl300; @WebServlet("/IndexServlet") public class IndexServlet extends HttpServlet { private static final long serialVersionUID = 1L; IMenuService300 ims300 = new MenuServiceImpl300(); ICompanyInfomationService300 cis300 = new CompanyInfomationServiceImpl300(); protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { queryAll(request,response);//用于查询所有导航菜单信息 //查询合作伙伴 //查询XXXX //查询XXXX //作业 //添加过程描述,页面数据->数据库表中的 //MenuManager文件 //1.在添加页面上Addmenu300.jsp,输入要添加到数据库的数据 //2.看页面AddMenu300.jsp的form里面action的值(MenuServlet300),这个数据下一步要去的地方 //3.把页面上的数据传输给Servlet类MenuServlet300,然后具体做什么操作,由action当中method值来决定。 //4.当前action="MenuServlet300?method=addMenu",method值是addMenu,也就添加 //5.就要执行添加if语句,把页面上的你填充的数据都获取过来,然后构造菜单对象 //6.声明服务层接口类型(IMenuService300)引用ims300,创建对应的服务层接口实现类(MenuServiceImpl300)的实例 //通过引用ims300调用添加方法(ims300.add300(menu300)),返回是否添加成功 //6.1创建对应的服务层接口实现类(MenuServiceImpl300)的实例,声明dao接口类型IMenuDao300 引用imd300, //创建对应的dao接口实现类= new MenuDaoImpl300()的实例, //6.2调用dao接口实现类(MenuServiceImpl300)添加方法,返回是否添加成功 //7.执行完添加之后,会调用查询所有菜单信息的方法,返回到查询界面。 //查询过程描述,请求 ,数据库表中的数据->页面 //1.发送查询所有数据的请求MenuServlet300,或者method=queryAllMenu //2.声明服务层接口类型(IMenuService300)引用ims300,创建对应的服务层接口实现类(MenuServiceImpl300)的实例 //通过引用ims300调用查询方法(ims300.queryAll300(menu300)),返回是导航菜单信息集合(List<Menu300>) //2.1创建对应的服务层接口实现类(MenuServiceImpl300)的实例,声明dao接口类型IMenuDao300 引用imd300, //创建对应的dao接口实现类= new MenuDaoImpl300()的实例, //2.2调用dao接口实现类(MenuServiceImpl300)查询所有方法,返回是导航菜单信息集合(List<Menu300>) //3.把查询出来的导航菜单数据集合放到request里面(request.setAttribute("menus", menusList);) //4.把请求转发到MenuMain300.jsp页面上去(request.getRequestDispatcher("/WEB-INF/MenuManager/MenuMain300.jsp").forward(request, response);) //5.在MenuMain300.jsp页面引入核心标签库,然后通过forEach循环迭代出数据显示在页面上。 //经过哪些页面,经过了哪些类,顺序是什么,大家描述一下,文字描述, } protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doGet(request, response); } /** * 查询所有信息的方法 * @param request 请求 * @param response 响应 * @throws ServletException Servlet异常 * @throws IOException IO异常 */ protected void queryAll(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { List<Menu300> menusList = ims300.queryAll300();// 调用服务层接口实现类的查询所有方法 request.getSession().setAttribute("menus", menusList);// 把查询出来的导航菜单数据集合放到session里面 //request.setAttribute("menus", menusList);// 把查询出来的导航菜单数据集合放到request里面 List<CompanyInfomation300> ciList = cis300.queryAll300();// 调用服务层接口实现类的查询所有方法 request.getSession().setAttribute("ciList", ciList);// 把查询出来的导航菜单数据集合放到request里面 request.getRequestDispatcher("index.jsp").forward(request, response);// 转发到index.jsp页面上去 } } ``` ### **5.4创建用户登录验证访问控制类** >创建LoginServlet300,代码如下 ``` package com.baishenghua300.controller; import java.io.IOException; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import com.baishenghua300.pojo.User300; import com.baishenghua300.services.IUserService300; import com.baishenghua300.services.impl.UserServiceImpl300; @WebServlet("/LoginServlet300") public class LoginServlet300 extends HttpServlet { private static final long serialVersionUID = 1L; protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // 2.获取数据 // 2.1获取用户填写验证码 String verifycode = request.getParameter("verifycode"); String username = request.getParameter("username"); String password = request.getParameter("password"); // 3.验证码校验 HttpSession session = request.getSession(); String checkcode_server = (String) session.getAttribute("CHECKCODE_SERVER"); session.removeAttribute("CHECKCODE_SERVER");// 确保验证码一次性 System.out.println("checkcode_server-"+checkcode_server+"username"+username+"password"+password+"verifycode"+verifycode); if (!checkcode_server.equalsIgnoreCase(verifycode)) { // 验证码不正确 // 提示信息 request.setAttribute("login_msg", "验证码错误!"); // 跳转登录页面 request.getRequestDispatcher("/Manager/Login.jsp").forward(request, response); return; } // 4.封装User对象 User300 user = new User300(); user.setUsername300(username); user.setPassword300(password); // 5.调用Service查询 IUserService300 ius300 = new UserServiceImpl300(); User300 loginUser = ius300.findUserByUsernameAndPassword(username, password); // 6.判断是否登录成功 if (loginUser != null) { // 登录成功 // 将用户存入session session.setAttribute("user", loginUser); // 跳转页面 response.sendRedirect(request.getContextPath() + "/Manager/index300.jsp");//管理后台主界面 } else { // 登录失败 // 提示信息 request.setAttribute("login_msg", "用户名或密码错误!"); // 跳转登录页面 request.getRequestDispatcher("/Manager/Login.jsp").forward(request, response); } } protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doGet(request, response); } } ``` ### **5.4创建用户信息管理控制类** >创建UserServlet300,代码如下 ``` package com.baishenghua300.controller; import java.io.IOException; import java.util.List; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import com.baishenghua300.pojo.User300; import com.baishenghua300.services.IUserService300; import com.baishenghua300.services.impl.UserServiceImpl300; @WebServlet("/UserServlet300") public class UserServlet300 extends HttpServlet { private static final long serialVersionUID = 1L; IUserService300 ius300 = new UserServiceImpl300(); public UserServlet300() { super(); } protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String method = request.getParameter("method"); //method的取值有editUser、deleteUser、addUser、updateUser、queryAllUser User300 user300 = new User300(); //跳转到添加页面addPage if("addUser".equalsIgnoreCase(method)) { user300.setName300(request.getParameter("name")); user300.setGender300(request.getParameter("gender")); user300.setAge300(Integer.parseInt(request.getParameter("age"))); user300.setAddress300(request.getParameter("address")); user300.setQq300(request.getParameter("qq")); user300.setEmail300(request.getParameter("email")); ius300.add(user300); queryAll(request,response); }else if("queryAllUser".equalsIgnoreCase(method)) { queryAll(request,response); }else if("editUser".equalsIgnoreCase(method)) { String id = request.getParameter("id"); user300 = ius300.findById(Integer.parseInt(id)); request.setAttribute("user", user300); request.getRequestDispatcher("/WEB-INF/UserManager/EditUser300.jsp").forward(request, response); }else if("updateUser".equalsIgnoreCase(method)) { String id = request.getParameter("id"); user300.setId300(Integer.parseInt(id)); user300.setName300(request.getParameter("name")); user300.setGender300(request.getParameter("gender")); user300.setAge300(Integer.parseInt(request.getParameter("age"))); user300.setAddress300(request.getParameter("address")); user300.setQq300(request.getParameter("qq")); user300.setEmail300(request.getParameter("email")); ius300.update(user300); queryAll(request,response); }else if("deleteUser".equalsIgnoreCase(method)) { String id = request.getParameter("id"); ius300.delete(Integer.parseInt(id)); queryAll(request,response); }else if("addPage".equalsIgnoreCase(method)) { request.getRequestDispatcher("/WEB-INF/UserManager/AddUser300.jsp").forward(request, response); }else { queryAll(request,response); } } protected void queryAll(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { List<User300> uList = ius300.findAll(); request.getSession().setAttribute("uList", uList); request.getRequestDispatcher("/WEB-INF/UserManager/UserMain300.jsp").forward(request, response); } protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doGet(request, response); } } ``` ## **6.创建services包,包名为:com.baishenghua100.services** ### **6.1创建导航菜单服务层数据处理接口** >创建IMenuService100接口.java ![](http://h.yiniuedu.com/71b53fef868cc2cfafd0ddd836ab6a1c) ``` package com.baishenghua100.services; import java.util.List; import com.baishenghua100.pojo.Menu100; /** * IMenuService100.java(导航菜单数据处理服务接口) * @desc 主要定义一些方法,比如说,查询所有导航菜单、条件查询菜单以及添加、修改和删除菜单。 * @author 柏圣华 * @date 2021-10-21 * */ public interface IMenuService100 { public List<Menu100> queryAll100();//查询所有导航菜单 public List<Menu100> queryByCond100(String condition100);//条件查询导航菜单 public Menu100 query100(Menu100 menu100);//根据序号查询导航菜单 public Menu100 add100(Menu100 menu100);//添加导航菜单 public Menu100 update100(Menu100 menu100);//修改导航菜单 public Menu100 delete100(Menu100 menu100);//删除导航菜单 } ``` ### **6.2创建公司信息服务层数据处理接口** >创建ICompanyInfomationService300.java ``` package com.baishenghua300.services; import java.util.List; import com.baishenghua300.pojo.CompanyInfomation300; /** * ICompanyInfomationService300.java(公司信息数据处理服务接口) * @desc 主要定义一些方法:查询所有公司拟信息、条件查询、序号查询以及添加、修改和删除操作。 * @author 柏圣华 * @date 2021-11-22 * */ public interface ICompanyInfomationService300 { public List<CompanyInfomation300> queryAll300();//查询所有公司信息 public List<CompanyInfomation300> queryByCond300(String condition300);//条件查询公司信息 public CompanyInfomation300 query300(CompanyInfomation300 ci300);//根据序号查询公司信息 public int add300(CompanyInfomation300 ci300);//添加公司信息 public int update300(CompanyInfomation300 ci300);//修改公司信息 public int delete300(CompanyInfomation300 ci300);//删除公司信息 } ``` ### **6.3创建用户信息服务层数据处理接口** >创建IUserService300.java ``` package com.baishenghua300.services; import java.util.List; import java.util.Map; import com.baishenghua300.pojo.User300; /** * IUserService300.java(用户数据处理服务层接口) * * @desc 主要定义一些方法:查询所有、条件查询、序号查询以及添加、修改和删除等方法。 * @author 柏圣华 * @date 2021-11-26 * */ public interface IUserService300 { public List<User300> findAll();// 查询所有 User300 findUserByUsernameAndPassword(String username, String password);//用户登录验证 void add(User300 user);//添加方法 void delete(int id);//删除方法 User300 findById(int i);//根据序号查询方法 void update(User300 user);//更新方法 /** * 查询总记录数 * * @return * @param condition */ int findTotalCount(Map<String, String[]> condition); /** * 分页查询每页记录 * * @param start * @param rows * @param condition * @return */ List<User300> findByPage(int start, int rows, Map<String, String[]> condition); } ``` ## **7.创建services包的实现包impl,包名为:com.baishenghua100.services.impl** 在该包下创建如下类 ### **7.1创建导航菜单服务层数据处理接口的实现类** >创建MenuServiceImpl100实现IMenuService100接口里面的方法 ![](http://h.yiniuedu.com/3d243a9c0e4799b66a3a5c54a6f25665) ``` package com.baishenghua100.services.impl; import java.util.List; import com.baishenghua100.pojo.Menu100; import com.baishenghua100.services.IMenuService100; /** * MenuServiceImpl100.java(导航菜单数据处理服务具体实现类) * @desc 主要调用IMenDao100接口里面的方法,具体调用IMenDao100接口实现类MenuDaoImpl100类里面的方法 * @author 柏圣华 * @date 2021-10-21 * */ public class MenuServiceImpl100 implements IMenuService100 { IMenuDao100 iMenuDao100 = new MenuDaoImpl100(); @Override public List<Menu100> queryAll100() { return iMenuDao100.queryAll100(); } @Override public List<Menu100> queryByCond100(String condition100) { return iMenuDao100.queryByCond100(condition100); } @Override public Menu100 query100(Menu100 menu100) { return iMenuDao100.query100(menu100); } @Override public Menu100 add100(Menu100 menu100) { return iMenuDao100.add100(menu100); } @Override public Menu100 update100(Menu100 menu100) { return iMenuDao100.update100(menu100); } @Override public Menu100 delete100(Menu100 menu100) { return iMenuDao100.delete100(menu100); } } ``` ### **7.2创建公司信息服务层数据处理接口的实现类** >创建CompanyInfomationServiceImpl300实现ICompanyInfomationDao300接口里面的方法 ``` package com.baishenghua300.services.impl; import java.util.List; import com.baishenghua300.dao.ICompanyInfomationDao300; import com.baishenghua300.dao.impl.CompanyInfomationDaoImpl300; import com.baishenghua300.pojo.CompanyInfomation300; import com.baishenghua300.services.ICompanyInfomationService300; /** * CompanyInfomationServiceImpl300.java(公司信息数据处理服务具体实现类) * @desc 主要调用ICompanyInfomationDao300接口里面的方法 * 具体调用ICompanyInfomationDao300接口实现类CompanyInfomationDaoImpl300类里面的方法 * @author 柏圣华 * @date 2021-11-22 * */ public class CompanyInfomationServiceImpl300 implements ICompanyInfomationService300 { ICompanyInfomationDao300 cid300 = new CompanyInfomationDaoImpl300(); @Override public List<CompanyInfomation300> queryAll300() { return cid300.queryAll300(); } @Override public List<CompanyInfomation300> queryByCond300(String condition300) { return cid300.queryByCond300(condition300); } @Override public CompanyInfomation300 query300(CompanyInfomation300 ci300) { return cid300.query300(ci300); } @Override public int add300(CompanyInfomation300 ci300) { return cid300.add300(ci300); } @Override public int update300(CompanyInfomation300 ci300) { return cid300.update300(ci300); } @Override public int delete300(CompanyInfomation300 ci300) { return cid300.delete300(ci300); } } ``` ### **7.3创建用户信息服务层数据处理接口的实现类** >创建UserServiceImpl300实现IUserDao300接口里面的方法 ``` package com.baishenghua300.services.impl; import java.util.List; import java.util.Map; import com.baishenghua300.dao.IUserDao300; import com.baishenghua300.dao.impl.UserDaoImpl300; import com.baishenghua300.pojo.User300; import com.baishenghua300.services.IUserService300; /** * UserServiceImpl300.java(导航菜单数据处理服务具体实现类) * @desc 主要调用IUserDao300接口里面的方法,具体调用IUserDao300接口实现类UserDaoImpl300类里面的方法 * @author 柏圣华 * @date 2021-1-26 * */ public class UserServiceImpl300 implements IUserService300 { IUserDao300 iud300 = new UserDaoImpl300(); @Override public List<User300> findAll() { return iud300.findAll(); } @Override public User300 findUserByUsernameAndPassword(String username, String password) { return iud300.findUserByUsernameAndPassword(username, password); } @Override public void add(User300 user) { iud300.add(user); } @Override public void delete(int id) { iud300.delete(id); } @Override public User300 findById(int i) { return iud300.findById(i); } @Override public void update(User300 user) { iud300.update(user); } @Override public int findTotalCount(Map<String, String[]> condition) { return iud300.findTotalCount(condition); } @Override public List<User300> findByPage(int start, int rows, Map<String, String[]> condition) { return iud300.findByPage(start, rows, condition); } } ``` ## **8.创建测试包test,包名为:com.baishenghua100.test** 在该包下创建以下类 ### **8.1创建菜单服务层实现类的测试类MenuServiceImplTest100.java** >创建MenuServiceImpl100的测试类MenuServiceImplTest100 创建一个JUnit Test case,名字为MenuServiceImplTest100 在class under test下选择MenuServiceImpl100这个类,然后选择要测试哪些方法 ![](http://h.yiniuedu.com/b57157abb0ccef41a80c9bfa572f0f75) ``` package com.baishenghua100.test; import static org.junit.jupiter.api.Assertions.*; import org.junit.jupiter.api.AfterEach; import org.junit.jupiter.api.BeforeEach; import org.junit.jupiter.api.Test; /** * MenuServiceImplTest100.java(导航菜单数据处理服务具体实现类的测试类) * @desc 主要测试实现类MenuServiceImpl100类里面的方法,有没有实现 * @author 柏圣华 * @date 2021-10-21 * */ class MenuServiceImplTest100 { @BeforeEach void setUp() throws Exception { } @AfterEach void tearDown() throws Exception { } @Test void testQueryAll100() { fail("Not yet implemented"); } @Test void testQueryByCond100() { fail("Not yet implemented"); } @Test void testQuery100() { fail("Not yet implemented"); } @Test void testAdd100() { fail("Not yet implemented"); } @Test void testUpdate100() { fail("Not yet implemented"); } @Test void testDelete100() { fail("Not yet implemented"); } } ``` ### **8.2创建公司信息服务层实现类的测试类CompanyInfomationServiceImplTest300.java** >创建CompanyInfomationServiceImpl300的测试类CompanyInfomationServiceImplTest300 创建一个JUnit Test case,名字为CompanyInfomationServiceImplTest300 在class under test下选择CompanyInfomationServiceImpl300这个类,然后选择要测试哪些方法 ![](http://h.yiniuedu.com/e35e25a83366edf5795efcbd4c5110e6) 代码如下: ``` package com.baishenghua300.test; import static org.junit.jupiter.api.Assertions.*; import java.util.List; import org.junit.jupiter.api.AfterEach; import org.junit.jupiter.api.BeforeEach; import org.junit.jupiter.api.Test; import com.baishenghua300.pojo.CompanyInfomation300; import com.baishenghua300.services.ICompanyInfomationService300; import com.baishenghua300.services.impl.CompanyInfomationServiceImpl300; import junit.framework.Assert; /** * CompanyInfomationServiceImplTest300.java(公司信息数据处理服务具体实现类的测试类) * @desc 主要测试实现类CompanyInfomationServiceImpl300类里面的方法,有没有实现 * @author 柏圣华 * @date 2021-11-22 * */ class CompanyInfomationServiceImplTest300 { ICompanyInfomationService300 cis300 = new CompanyInfomationServiceImpl300(); CompanyInfomation300 ci300 = new CompanyInfomation300(); @Test void testAdd300() {//测试添加方法 ci300.setCiNo300(6); ci300.setCiTitle300("公司简介"); ci300.setCiContent300("华圣物流信息科技有限公司是一家专业从事安防监控、IT服务的一站式服务系统集成企业。致力于数字化、网络化弱电系统解决方案,自成立以来秉承“以人为本,以德治企,以身作则,以信立业”的经营理念,坚持“领先科技,致力服务”的服务原则,形成了“独具匠心,特色创新”的先航腾飞商业模式。\r\n" + "\r\n" + "公司致力于数字化监控系统;防盗报警系统工程;网络工程,智能一卡通;视频会议;智能化大厦;智能化小区;公共广播;背景音乐系统 工程;停车场;可视门禁对讲工程;网络;语音系统综合布线工程;机房工程的整体建设和运维为目标,为客户提供包括系统集成和运维外包 在内的整体服务方案,坚持数字化、智能化的方向持续发展。\r\n" + ""); ci300.setCiImage300("images/pic8.png"); ci300.setCiEditDate300("2021-11-22"); int flag = cis300.add300(ci300); Assert.assertEquals(1, flag); } @Test void testQueryAll300() {//测试查询所有的方法 List<CompanyInfomation300> ciList = cis300.queryAll300(); Assert.assertEquals(5, ciList.size());//第一个参数数字5,代表数据库有5条数据。第二个参数ciList.size()代表执行查询所有方法返回的数据库数据条数 } @Test void testQueryByCond300() { //测试模糊查询所有的方法 List<CompanyInfomation300> ciList = cis300.queryByCond300("合"); Assert.assertEquals(1, ciList.size());//第一个参数数字5,代表数据库有5条数据。第二个参数ciList.size()代表执行查询所有方法返回的数据库数据条数 } @Test void testQuery300() { //测试精准查询的方法 ci300.setCiId300(5); CompanyInfomation300 cif300 = cis300.query300(ci300); Assert.assertEquals("合作伙伴", cif300.getCiTitle300()); } @Test void testUpdate300() {//测试更新的方法 ci300.setCiId300(6); ci300.setCiTitle300("7"); ci300.setCiImage300("7"); ci300.setCiContent300("7"); ci300.setCiEditDate300("7"); ci300.setCiNo300(7); int flag = cis300.update300(ci300); Assert.assertEquals(1, flag); } @Test void testDelete300() { ci300.setCiId300(6); int flag = cis300.delete300(ci300); Assert.assertEquals(1, flag); } } ``` ### **8.2创建用户信息服务层实现类的测试类UserServiceImplTest300.java** >创建UserServiceImpl300的测试类UserServiceImplTest300 创建一个JUnit Test case,名字为UserServiceImplTest300 在class under test下选择UserServiceImpl300这个类,然后选择要测试哪些方法 ``` package com.baishenghua300.test; import static org.junit.jupiter.api.Assertions.*; import java.util.List; import org.junit.jupiter.api.Test; import com.baishenghua300.pojo.User300; import com.baishenghua300.services.IUserService300; import com.baishenghua300.services.impl.UserServiceImpl300; import junit.framework.Assert; class UserServiceImplTest300 { IUserService300 ius300 = new UserServiceImpl300(); User300 user = new User300(); @Test void testFindAll() { List<User300> uList = ius300.findAll(); Assert.assertEquals(2, uList.size()); } @Test void testFindUserByUsernameAndPassword() { user = ius300.findUserByUsernameAndPassword("admin", "admin"); Assert.assertEquals("admin", user.getName300()); } @Test void testAdd() { user.setName300("21"); user.setGender300("21"); user.setAge300(21); user.setQq300("21212121"); user.setAddress300("2121"); user.setEmail300("2121@12.com"); ius300.add(user); } @Test void testDelete() { ius300.delete(2); } @Test void testFindById() { user = ius300.findById(1); Assert.assertEquals("admin", user.getName300()); } @Test void testUpdate() { user.setName300("3"); user.setGender300("boy"); user.setAge300(3); user.setQq300("33333333"); user.setAddress300("3333"); user.setEmail300("33333@333.com"); user.setId300(2); ius300.update(user); } @Test void testFindTotalCount() { //先不实现 } @Test void testFindByPage() { //先不实现 } } ``` ## **9.创建过滤器包filter,包名为:com.baishenghua100.filter** 在该包下创建以下类 ### **9.1创建字符编码过滤器类CharacterEncodingFilter100.java** >创建字符编码过滤器类CharacterEncodingFilter100类 注意此处要创建一个Filter ![](http://h.yiniuedu.com/8e8187875d2e80475373d6801fdaec90) ``` package com.baishenghua300.filter; import java.io.IOException; import javax.servlet.Filter; import javax.servlet.FilterChain; import javax.servlet.FilterConfig; import javax.servlet.ServletException; import javax.servlet.ServletRequest; import javax.servlet.ServletResponse; import javax.servlet.annotation.WebFilter; import javax.servlet.annotation.WebInitParam; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; /** * CharacterEncodingFilter300.java(字符编码过滤器类) * @desc 主要统一字符编码 * @author 柏圣华 * @date 2021-10-21 * */ @WebFilter(urlPatterns="/*",initParams= {@WebInitParam(name="CharsetEncoding",value="utf-8")}) public class CharacterEncodingFilter300 implements Filter { private static String encoding;//定义变量接收初始化的值 /** * Default constructor. */ public CharacterEncodingFilter300() { } public void destroy() { } public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException { HttpServletRequest request = (HttpServletRequest)req; HttpServletResponse response = (HttpServletResponse)res; //设置字符编码链锁 request.setCharacterEncoding(encoding); response.setCharacterEncoding(encoding); if(encoding != null) { chain.doFilter(request, response); } } public void init(FilterConfig fConfig) throws ServletException { //接收web.xml配置文件中或者注解中的初始参数 encoding = fConfig.getInitParameter("CharsetEncoding"); } } ``` ### **9.2创建用户登录验证过滤器类LoginFilte300.java** >创建用户登录验证过滤器类LoginFilte300类 注意此处要创建一个Filter ``` package com.baishenghua300.filter; import java.io.IOException; import javax.servlet.Filter; import javax.servlet.FilterChain; import javax.servlet.FilterConfig; import javax.servlet.ServletException; import javax.servlet.ServletRequest; import javax.servlet.ServletResponse; import javax.servlet.annotation.WebFilter; import javax.servlet.http.HttpServletRequest; @WebFilter("/*") public class LoginFilte300 implements Filter { public void destroy() { } public void doFilter(ServletRequest req, ServletResponse resp, FilterChain chain) throws IOException, ServletException { System.out.println(req); // 0.强制转换 HttpServletRequest request = (HttpServletRequest) req; // 1.获取资源请求路径 String uri = request.getRequestURI(); // 2.判断是否包含登录相关资源路径,要注意排除掉 css/js/图片/验证码等资源 if (uri.contains("/login.jsp") || uri.contains("/LoginServlet300") || uri.contains("/css/") || uri.contains("/js/") || uri.contains("/fonts/") || uri.contains("/images/") || uri.contains("/CheckCode300") || uri.contains("/IndexServlet") || uri.contains("/index.jsp") || uri.contains("/about.jsp") || uri.contains("/news.jsp") || uri.contains("/contact.jsp") || uri.contains("/portfolio.jsp") || uri.contains("/product.jsp") || uri.contains("/server.jsp") || uri.contains("/talent.jsp") || uri.contains("/online.jsp")) { // 包含,用户就是想登录。放行 chain.doFilter(req, resp); } else { // 不包含,需要验证用户是否登录 // 3.从获取session中获取user Object user = request.getSession().getAttribute("user"); if (user != null) { // 登录了。放行 chain.doFilter(request, resp); } else { // 没有登录。跳转登录页面 request.setAttribute("login_msg", "您尚未登录,请登录"); request.getRequestDispatcher("/Manager/Login.jsp").forward(request, resp); } } } public void init(FilterConfig fConfig) throws ServletException { } } ``` ### **9.3创建敏感词汇过滤器类SensitiveWordsFilter.java** >创建敏感词汇过滤器类SensitiveWordsFilter类 注意此处要创建一个Filter ``` package com.baishenghua300.filter; import javax.servlet.*; import javax.servlet.annotation.WebFilter; import java.io.BufferedReader; import java.io.FileReader; import java.io.IOException; import java.lang.reflect.InvocationHandler; import java.lang.reflect.Method; import java.lang.reflect.Proxy; import java.util.ArrayList; import java.util.List; /** * 敏感词汇过滤器 */ @WebFilter("/*") public class SensitiveWordsFilter implements Filter { public void doFilter(ServletRequest req, ServletResponse resp, FilterChain chain) throws ServletException, IOException { //1.创建代理对象,增强getParameter方法 ServletRequest proxy_req = (ServletRequest) Proxy.newProxyInstance(req.getClass().getClassLoader(), req.getClass().getInterfaces(), new InvocationHandler() { @Override public Object invoke(Object proxy, Method method, Object[] args) throws Throwable { //增强getParameter方法 //判断是否是getParameter方法 if(method.getName().equals("getParameter")){ //增强返回值 //获取返回值 String value = (String) method.invoke(req,args); if(value != null){ for (String str : list) { if(value.contains(str)){ value = value.replaceAll(str,"***"); } } } return value; } //判断方法名是否是 getParameterMap //判断方法名是否是 getParameterValue return method.invoke(req,args); } }); //2.放行 chain.doFilter(proxy_req, resp); } private List<String> list = new ArrayList<String>();//敏感词汇集合 public void init(FilterConfig config) throws ServletException { try{ //1.获取文件真实路径 ServletContext servletContext = config.getServletContext(); String realPath = servletContext.getRealPath("/WEB-INF/classes/敏感词汇.txt"); //2.读取文件 BufferedReader br = new BufferedReader(new FileReader(realPath)); //3.将文件的每一行数据添加到list中 String line = null; while((line = br.readLine())!=null){ list.add(line); } br.close(); System.out.println(list); }catch (Exception e){ e.printStackTrace(); } } public void destroy() { } } ``` # **三、后台管理页面创建** 在WebContent目录下创建用户登录界面 ## **用户登录界面** ``` <%@ page contentType="text/html;charset=UTF-8" language="java" %> <html> <head> <title>登录页面</title> <script> window.onload = function(){ document.getElementById("img").onclick = function(){ this.src="checkCode?time="+new Date().getTime(); } } </script> <style> div{ color: red; } </style> </head> <body> <form action="loginServlet" method="post"> <table> <tr> <td>用户名</td> <td><input type="text" name="username"></td> </tr> <tr> <td>密码</td> <td><input type="password" name="password"></td> </tr> <tr> <td>验证码</td> <td><input type="text" name="checkCode"></td> </tr> <tr> <td colspan="2"><img id="img" src="checkCode"></td> </tr> <tr> <td colspan="2"><input type="submit" value="登录"></td> </tr> </table> </form> <div><%=request.getAttribute("cc_error") == null ? "" : request.getAttribute("cc_error")%></div> <div><%=request.getAttribute("login_error") == null ? "" : request.getAttribute("login_error") %></div> </body> </html> ``` ## **1.菜单信息管理模块界面** 在WebContent目录下创建MenuManager目录,在该目录下创建下面三个页面。 ### **1.1 创建添加导航菜单界面AddMenu100.jsp如下:** **AddMenu100.jsp界面代码如下:** ``` <%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%> <!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>添加导航菜单界面</title> </head> <body> <h1>添加菜单</h1> <form action="MenuServlet300?method=addMenu" method="post"> 序号<input type="text" name="menuNo300" /><br> 名称<input type="text" name="menuName300" /><br> 地址<input type="text" name="menuURL300" /><br> <input type="submit" value="添加"/> </form> </body> </html> ``` ### **1.2 创建菜单管理主界面Main100.jsp如下:** **Main100.jsp界面代码如下:** ``` <%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%> <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %> <!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>导航菜单管理界面</title> </head> <body> <table border="1"> <tr><th>编号</th><th>序号</th><th>名称</th><th>地址</th><th colspan="2">编辑</th></tr> <c:forEach items="${menus}" var="m"> <tr><td>${m.id300}</td><td>${m.menuNo300}</td><td>${m.menuName300 }</td><td>${m.menuURL300}</td> <td><a href="MenuServlet300?method=editMenu&id300=${m.id300}">编辑</a></td> <td><a href="MenuServlet300?method=deleteMenu&id300=${m.id300}" onclick="return confirm('是否确认删除?')">删除</a></td> </tr> </c:forEach> </table> </body> </html> ``` ### **1.3 创建修改导航菜单界面EditMenu100.jsp如下:** **EditMenu100.jsp界面代码如下:** ``` <%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%> <!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>更新导航菜单信息界面</title> </head> <body> <h1>更新菜单</h1> <form action="MenuServlet300?method=updateMenu" method="post"> 序号<input type="text" name="menuNo300" value="${menu.menuNo300 }"/><br> 名称<input type="text" name="menuName300" value="${menu.menuName300 }"/><br> 地址<input type="text" name="menuURL300" value="${menu.menuURL300 }"/><br> <input type="submit" value="修改"/> </form> </body> </html> ``` ## **2.公司信息管理模块界面** 在WebContent目录下创建companyinfomanager目录,在该目录下创建下面三个页面。 ### **2.1创建公司信息添加界面AddCompanyInfo300.jsp如下:** ![](http://h.yiniuedu.com/29b469e669424e285d8536a6b17e7a52) **AddCompanyInfo300.jsp界面代码如下:** ``` <%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%> <!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>公司信息管理界面-添加公司信息</title> </head> <body> <h1>添加公司信息</h1> <form action="companyInfoController300?method=addCompanyInfo" method="post"> 序号:<input type="text" name="ciNo300" /><br> 标题:<input type="text" name="ciTitle300" /><br> 图片:<input type="text" name="ciImage300" /><br> 内容:<textarea name="ciContent300" rows="20" cols="50"></textarea><br> 日期:<input type="text" name="ciEditDate300" /><br> <input type="submit" value="添加"/> </form> </body> </html> ``` ### **2.2创建显示公司信息界面CompanyInfoMain300.jsp如下:** ![](http://h.yiniuedu.com/d386c15d9ec96fc054b96892fd2993b9) **CompanyInfoMain300.jsp界面代码如下:** ``` <%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%> <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %> <!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>公司信息管理界面</title> </head> <body> <a href="AddCompanyInfo.jsp">添加公司信息</a> <table border="1"> <tr><th>编号</th><th>序号</th><th>标题</th><th>内容</th><th>图片</th><th>日期</th><th colspan="2">编辑</th></tr> <c:forEach items="${ciList}" var="ci"> <tr><td>${ci.ciId300}</td><td>${ci.ciNo300}</td><td>${ci.ciTitle300 }</td><td width="50%">${ci.ciContent300}</td><td>${ci.ciImage300}</td><td>${ci.ciEditDate300}</td> <td><a href="companyInfoController300?method=editCompanyInfo&ciId300=${ci.ciId300}">编辑</a></td> <td><a href="companyInfoController300?method=deleteCompanyInfo&ciId300=${ci.ciId300}" onclick="return confirm('是否确认删除?')">删除</a></td> </tr> </c:forEach> </table> </body> </html> ``` ### **2.3创建更新公司信息界面EditCompanyInfo300.jsp如下:** ![](http://h.yiniuedu.com/eef8829e9eb6bb831ba0968a48b921f7) **EditCompanyInfo300.jsp界面代码如下:** ``` <%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%> <!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>公司信息管理界面-更新-${ci300.ciTitle300 }-界面</title> </head> <body> <h1>更新《${ci300.ciTitle300 }》</h1> <form action="companyInfoController300?method=updateCompanyInfo" method="post"> <input type="hidden" name="ciId300" value="${ci300.ciId300 }"/> 序号:<input type="text" name="ciNo300" value="${ci300.ciNo300 }"/><br> 标题:<input type="text" name="ciTitle300" value="${ci300.ciTitle300 }"/><br> 图片:<input type="text" name="ciImage300" value="${ci300.ciImage300 }"/><br> 内容:<textarea name="ciContent300" rows="20" cols="50">${ci300.ciContent300 }</textarea><br> 日期:<input type="text" name="ciEditDate300" value="${ci300.ciEditDate300 }"/><br> <input type="submit" value="更新"/> </form> </body> </html> ``` ## **3.用户信息管理模块界面** 在WebContent目录下创建UserManager目录,在该目录下创建下面三个页面。 ### **3.1创建用户信息添加界面AddUser300.jsp如下:** ``` <%@ page contentType="text/html;charset=UTF-8" language="java" %> <!-- HTML5文档--> <!DOCTYPE html> <!-- 网页使用的语言 --> <html lang="zh-CN"> <head> <!-- 指定字符集 --> <meta charset="utf-8"> <!-- 使用Edge最新的浏览器的渲染方式 --> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <!-- viewport视口:网页可以根据设置的宽度自动进行适配,在浏览器的内部虚拟一个容器,容器的宽度与设备的宽度相同。 width: 默认宽度与设备的宽度相同 initial-scale: 初始的缩放比,为1:1 --> <meta name="viewport" content="width=device-width, initial-scale=1"> <!-- 上述3个meta标签*必须*放在最前面,任何其他内容都*必须*跟随其后! --> <title>添加用户</title> <!-- 1. 导入CSS的全局样式 --> <link href="css/bootstrap.min.css" rel="stylesheet"> <!-- 2. jQuery导入,建议使用1.9以上的版本 --> <script src="js/jquery-2.1.0.min.js"></script> <!-- 3. 导入bootstrap的js文件 --> <script src="js/bootstrap.min.js"></script> </head> <body> <div class="container"> <center><h3>添加联系人页面</h3></center> <form action="${pageContext.request.contextPath}/UserServlet300?method=addUser" method="post"> <div class="form-group"> <label for="name">姓名:</label> <input type="text" class="form-control" id="name" name="name" placeholder="请输入姓名"> </div> <div class="form-group"> <label>性别:</label> <input type="radio" name="gender" value="男" checked="checked"/>男 <input type="radio" name="gender" value="女"/>女 </div> <div class="form-group"> <label for="age">年龄:</label> <input type="text" class="form-control" id="age" name="age" placeholder="请输入年龄"> </div> <div class="form-group"> <label for="address">籍贯:</label> <select name="address" class="form-control" id="address"> <option value="陕西">陕西</option> <option value="北京">北京</option> <option value="上海">上海</option> </select> </div> <div class="form-group"> <label for="qq">QQ:</label> <input type="text" class="form-control" id="qq" name="qq" placeholder="请输入QQ号码"/> </div> <div class="form-group"> <label for="email">Email:</label> <input type="text" class="form-control" id="email" name="email" placeholder="请输入邮箱地址"/> </div> <div class="form-group" style="text-align: center"> <input class="btn btn-primary" type="submit" value="提交" /> <input class="btn btn-default" type="reset" value="重置" /> <input class="btn btn-default" type="button" value="返回" /> </div> </form> </div> </body> </html> ``` ### **3.2创建用户信息编辑界面EditUser300.jsp如下:** ``` <%@ page contentType="text/html;charset=UTF-8" language="java" %> <%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %> <!DOCTYPE html> <!-- 网页使用的语言 --> <html lang="zh-CN"> <head> <!-- 指定字符集 --> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>修改用户</title> <link href="css/bootstrap.min.css" rel="stylesheet"> <script src="js/jquery-2.1.0.min.js"></script> <script src="js/bootstrap.min.js"></script> </head> <body> <div class="container" style="width: 400px;"> <h3 style="text-align: center;">修改联系人</h3> <form action="${pageContext.request.contextPath}/UserServlet300?method=updateUser" method="post"> <!-- 隐藏域 提交id--> <input type="hidden" name="id" value="${user.id300}"> <div class="form-group"> <label for="name">姓名:</label> <input type="text" class="form-control" id="name" name="name" value="${user.name300}" readonly="readonly" placeholder="请输入姓名" /> </div> <div class="form-group"> <label>性别:</label> <c:if test="${user.gender300 == '男'}"> <input type="radio" name="gender" value="男" checked />男 <input type="radio" name="gender" value="女" />女 </c:if> <c:if test="${user.gender300 == '女'}"> <input type="radio" name="gender" value="男" />男 <input type="radio" name="gender" value="女" checked />女 </c:if> </div> <div class="form-group"> <label for="age">年龄:</label> <input type="text" class="form-control" value="${user.age300}" id="age" name="age" placeholder="请输入年龄" /> </div> <div class="form-group"> <label for="address">籍贯:</label> <select name="address" id="address" class="form-control" > <c:if test="${user.address300 == '陕西'}"> <option value="陕西" selected>陕西</option> <option value="北京">北京</option> <option value="上海">上海</option> </c:if> <c:if test="${user.address300 == '北京'}"> <option value="陕西" >陕西</option> <option value="北京" selected>北京</option> <option value="上海">上海</option> </c:if> <c:if test="${user.address300 == '上海'}"> <option value="陕西" >陕西</option> <option value="北京">北京</option> <option value="上海" selected>上海</option> </c:if> </select> </div> <div class="form-group"> <label for="qq">QQ:</label> <input type="text" id="qq" class="form-control" value="${user.qq300}" name="qq" placeholder="请输入QQ号码"/> </div> <div class="form-group"> <label for="email">Email:</label> <input type="text" id="email" class="form-control" value="${user.email300}" name="email" placeholder="请输入邮箱地址"/> </div> <div class="form-group" style="text-align: center"> <input class="btn btn-primary" type="submit" value="提交" /> <input class="btn btn-default" type="reset" value="重置" /> <input class="btn btn-default" type="button" value="返回"/> </div> </form> </div> </body> </html> ``` ### **3.3创建用户信息查询主界面UserMain300.jsp如下:** ``` <%@ page contentType="text/html;charset=UTF-8" language="java" %> <%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %> <!DOCTYPE html> <!-- 网页使用的语言 --> <html lang="zh-CN"> <head> <!-- 指定字符集 --> <meta charset="utf-8"> <!-- 使用Edge最新的浏览器的渲染方式 --> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <!-- viewport视口:网页可以根据设置的宽度自动进行适配,在浏览器的内部虚拟一个容器,容器的宽度与设备的宽度相同。 width: 默认宽度与设备的宽度相同 initial-scale: 初始的缩放比,为1:1 --> <meta name="viewport" content="width=device-width, initial-scale=1"> <!-- 上述3个meta标签*必须*放在最前面,任何其他内容都*必须*跟随其后! --> <title>用户信息管理系统</title> <!-- 1. 导入CSS的全局样式 --> <link href="css/bootstrap.min.css" rel="stylesheet"> <!-- 2. jQuery导入,建议使用1.9以上的版本 --> <script src="js/jquery-2.1.0.min.js"></script> <!-- 3. 导入bootstrap的js文件 --> <script src="js/bootstrap.min.js"></script> <style type="text/css"> td, th { text-align: center; } </style> <script> function deleteUser(id){ //用户安全提示 if(confirm("您确定要删除吗?")){ //访问路径 location.href="${pageContext.request.contextPath}/UserServlet300?method=deleteUser&id="+id; } } window.onload = function(){ //给删除选中按钮添加单击事件 document.getElementById("delSelected").onclick = function(){ if(confirm("您确定要删除选中条目吗?")){ var flag = false; //判断是否有选中条目 var cbs = document.getElementsByName("uid"); for (var i = 0; i < cbs.length; i++) { if(cbs[i].checked){ //有一个条目选中了 flag = true; break; } } if(flag){//有条目被选中 //表单提交 document.getElementById("form").submit(); } } } //1.获取第一个cb document.getElementById("firstCb").onclick = function(){ //2.获取下边列表中所有的cb var cbs = document.getElementsByName("uid"); //3.遍历 for (var i = 0; i < cbs.length; i++) { //4.设置这些cbs[i]的checked状态 = firstCb.checked cbs[i].checked = this.checked; } } } </script> </head> <body> <div class="container"> <h3 style="text-align: center">用户信息列表</h3> <div style="float: left;"> <form class="form-inline" action="${pageContext.request.contextPath}/findUserByPageServlet" method="post"> <div class="form-group"> <label for="exampleInputName2">姓名</label> <input type="text" name="name" value="${condition.name[0]}" class="form-control" id="exampleInputName2" > </div> <div class="form-group"> <label for="exampleInputName3">籍贯</label> <input type="text" name="address" value="${condition.address[0]}" class="form-control" id="exampleInputName3" > </div> <div class="form-group"> <label for="exampleInputEmail2">邮箱</label> <input type="text" name="email" value="${condition.email[0]}" class="form-control" id="exampleInputEmail2" > </div> <button type="submit" class="btn btn-default">查询</button> </form> </div> <div style="float: right;margin: 5px;"> <a class="btn btn-primary" href="${pageContext.request.contextPath}/UserServlet300?method=addPage">添加联系人</a> <a class="btn btn-primary" href="javascript:void(0);" id="delSelected">删除选中</a> </div> <form id="form" action="${pageContext.request.contextPath}/UserServlet300?method=deleteUser" method="post"> <table border="1" class="table table-bordered table-hover"> <tr class="success"> <th><input type="checkbox" id="firstCb"></th> <th>编号</th> <th>姓名</th> <th>性别</th> <th>年龄</th> <th>籍贯</th> <th>QQ</th> <th>邮箱</th> <th>操作</th> </tr> <c:forEach items="${uList}" var="user" varStatus="s"> <tr> <td><input type="checkbox" name="uid" value="${user.id300}"></td> <td>${s.count}</td> <td>${user.name300}</td> <td>${user.gender300}</td> <td>${user.age300}</td> <td>${user.address300}</td> <td>${user.qq300}</td> <td>${user.email300}</td> <td><a class="btn btn-default btn-sm" href="${pageContext.request.contextPath}/UserServlet300?method=editUser&id=${user.id300}">修改</a>&nbsp; <a class="btn btn-default btn-sm" href="javascript:deleteUser(${user.id300});">删除</a></td> </tr> </c:forEach> </table> </form> <div> <nav aria-label="Page navigation"> <ul class="pagination"> <c:if test="${pb.currentPage == 1}"> <li class="disabled"> </c:if> <c:if test="${pb.currentPage != 1}"> <li> </c:if> <a href="${pageContext.request.contextPath}/findUserByPageServlet?currentPage=${pb.currentPage - 1}&rows=5&name=${condition.name[0]}&address=${condition.address[0]}&email=${condition.email[0]}" aria-label="Previous"> <span aria-hidden="true">&laquo;</span> </a> </li> <c:forEach begin="1" end="${pb.totalPage}" var="i" > <c:if test="${pb.currentPage == i}"> <li class="active"><a href="${pageContext.request.contextPath}/findUserByPageServlet?currentPage=${i}&rows=5&name=${condition.name[0]}&address=${condition.address[0]}&email=${condition.email[0]}">${i}</a></li> </c:if> <c:if test="${pb.currentPage != i}"> <li><a href="${pageContext.request.contextPath}/findUserByPageServlet?currentPage=${i}&rows=5&name=${condition.name[0]}&address=${condition.address[0]}&email=${condition.email[0]}">${i}</a></li> </c:if> </c:forEach> <li> <a href="${pageContext.request.contextPath}/findUserByPageServlet?currentPage=${pb.currentPage + 1}&rows=5&name=${condition.name[0]}&address=${condition.address[0]}&email=${condition.email[0]}" aria-label="Next"> <span aria-hidden="true">&raquo;</span> </a> </li> <span style="font-size: 25px;margin-left: 5px;"> 共${pb.totalCount}条记录,共${pb.totalPage}页 </span> </ul> </nav> </div> </div> </body> </html> ``` ## **4.后台管理界面** 在WebContent目录下创建Manager目录,引入css/js/fonts ### **4.1创建后台管理登录界面Login.jsp如下:** ``` <%@ page contentType="text/html;charset=UTF-8" language="java" %> <!DOCTYPE html> <html lang="zh-CN"> <head> <meta charset="utf-8"/> <meta http-equiv="X-UA-Compatible" content="IE=edge"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>管理员登录</title> <!-- 1. 导入CSS的全局样式 --> <link href="css/bootstrap.min.css" rel="stylesheet"> <!-- 2. jQuery导入,建议使用1.9以上的版本 --> <script src="js/jquery-2.1.0.min.js"></script> <!-- 3. 导入bootstrap的js文件 --> <script src="js/bootstrap.min.js"></script> <script type="text/javascript"> //切换验证码 function refreshCode(){ //1.获取验证码图片对象 var vcode = document.getElementById("vcode"); //2.设置其src属性,加时间戳 vcode.src = "${pageContext.request.contextPath}/CheckCode300?time="+new Date().getTime(); } </script> </head> <body> <div class="container" style="width: 400px;"> <h3 style="text-align: center;">管理员登录</h3> <form action="${pageContext.request.contextPath}/LoginServlet300" method="post"> <div class="form-group"> <label for="user">用户名:</label> <input type="text" name="username" class="form-control" id="user" placeholder="请输入用户名"/> </div> <div class="form-group"> <label for="password">密码:</label> <input type="password" name="password" class="form-control" id="password" placeholder="请输入密码"/> </div> <div class="form-inline"> <label for="vcode">验证码:</label> <input type="text" name="verifycode" class="form-control" id="verifycode" placeholder="请输入验证码" style="width: 120px;"/> <a href="javascript:refreshCode();"> <img src="${pageContext.request.contextPath}/CheckCode300" title="看不清点击刷新" id="vcode"/> </a> </div> <hr/> <div class="form-group" style="text-align: center;"> <input class="btn btn btn-primary" type="submit" value="登录"> </div> </form> <!-- 出错显示的信息框 --> <div class="alert alert-warning alert-dismissible" role="alert"> <button type="button" class="close" data-dismiss="alert" > <span>&times;</span> </button> <strong>${login_msg}</strong> </div> </div> </body> </html> ``` ### **4.2创建后台管理登录成功后主界面index300.jsp** ``` <%@ page contentType="text/html;charset=UTF-8" language="java" %> <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %> <!DOCTYPE html> <html lang="zh-CN"> <head> <meta charset="utf-8"/> <meta http-equiv="X-UA-Compatible" content="IE=edge"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>首页</title> <!-- 1. 导入CSS的全局样式 --> <link href="css/bootstrap.min.css" rel="stylesheet"> <!-- 2. jQuery导入,建议使用1.9以上的版本 --> <script src="js/jquery-2.1.0.min.js"></script> <!-- 3. 导入bootstrap的js文件 --> <script src="js/bootstrap.min.js"></script> <script type="text/javascript"> </script> </head> <body> <div >${user.name300},欢迎您</div> <div align="center"> <a href="${pageContext.request.contextPath}/UserServlet300" style="text-decoration:none;font-size:33px">查询所有用户信息 </a></br> <a href="${pageContext.request.contextPath}/MenuServlet300" style="text-decoration:none;font-size:33px">查询所有菜单信息 </a></br> <a href="${pageContext.request.contextPath}/companyInfoController300" style="text-decoration:none;font-size:33px">查询所有公司信息 </a></br> </div> </body> </html> ``` # **四、企业官网前端页面创建** ## **1.企业官网主界面** ``` <%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%> <% String title = "华圣物流信息科技有限公司"; String mobile = "18605395651"; %> <!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <title><%=title %></title> <meta name="keywords" content="<%=title %>" /> <meta name="description" content="<%=title %>" /> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <link href="css/bootstrap.min.css" rel="stylesheet" type="text/css" /> <link href="css/style.css" rel="stylesheet" type="text/css" /> <link href="css/jquery.bxslider.css" rel="stylesheet" /> <script src="js/jquery-1.10.2.min.js" type="text/javascript"></script> <script src="js/bootstrap.min.js" type="text/javascript"></script> <script type="text/javascript" src="js/hover-dropdown.js"></script> <script type="text/javascript" src="js/jquery.bxslider.js"></script> <script> $(function(){ $(".close").click(function(){ $("#address").attr("value",""); }) }) </script> </head> <body> <div class="top hidden-xs"> <div class="container"> <div class="top-fl">Hi,欢迎来到<%=title %>!</div> <div class="top-fr">客服热线:<%=mobile %></div> </div> </div> <header class="header-frontend"> <div class="navbar navbar-default navbar-static-top"> <div class="container"> <div class="navbar-header"> <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target=".navbar-collapse"> <span class="icon-bar"></span> <span class="icon-bar"></span> <span class="icon-bar"></span> </button> <a class="navbar-brand" href="index.html"><img src="images/logo.png"/></a> </div> <div class="navbar-collapse collapse" style="height: 1px;"> <!-- 页面导航 start --> <%@ include file="head.jsp" %> <!-- 页面导航 end --> </div> </div> </div> </header> <!--图片轮播--> <div id="carousel-example-generic" class="carousel slide" data-ride="carousel"> <ol class="carousel-indicators"> <li data-target="#carousel-example-generic" data-slide-to="0" class="active"></li> <li data-target="#carousel-example-generic" data-slide-to="1"></li> </ol> <div class="carousel-inner" role="listbox"> <div class="item active"> <img src="${pageContext.request.contextPath}/images/banner.png" alt="<%=title %>"> </div> <div class="item"> <img src="${pageContext.request.contextPath}/images/banner.png" alt="<%=title %>"> </div> </div> <!-- Controls --> <a class="left carousel-control" href="#carousel-example-generic" role="button" data-slide="prev"> <span class="glyphicon glyphicon-chevron-left" aria-hidden="true"></span> <span class="sr-only">Previous</span> </a> <a class="right carousel-control" href="#carousel-example-generic" role="button" data-slide="next"> <span class="glyphicon glyphicon-chevron-right" aria-hidden="true"></span> <span class="sr-only">Next</span> </a> </div> <div class="container"> <div class="biaoti"> <h2>项目管理及实施</h2> <p>致力于数字化、网络化弱电系统解决方案</p> <div class="english"><span>PROJECT</span></div> </div> </div> <div class="line"></div> <div class="container mt"> <div class="row"> <div class="col-lg-4 col-sm-4"> <section> <a href=""> <div class="f-box"> <i class="iconfont">&#xe601</i> <h2>弱电系统工程</h2> <p class="yw">system engineering</p> <u></u> <p class="f-text">致力于弱电智能工程和服务,努力成为业内一级的弱电工程商和服务提供商</p> </div> </a> </section> </div> <div class="col-lg-4 col-sm-4"> <section> <a href=""> <div class="f-box"> <i class="iconfont">&#xe602</i> <h2>行业解决方案</h2> <p class="yw">Industry solutions</p> <u></u> <p class="f-text">致力于弱电智能工程和服务,努力成为业内一级的弱电工程商和服务提供商</p> </div> </a> </section> </div> <div class="col-lg-4 col-sm-4"> <section> <a href=""> <div class="f-box"> <i class="iconfont">&#xe600</i> <h2>项目案例</h2> <p class="yw">PROJECT CASE</p> <u></u> <p class="f-text">致力于弱电智能工程和服务,努力成为业内一级的弱电工程商和服务提供商</p> </div> </a> </section> </div> </div> </div> <div class="container"> <div class="biaoti"> <h2>项目案例</h2> <p>系统集成和运维外包在内的整体服务方案</p> <div class="english"><span>CASE</span></div> </div> </div> <div class="line"></div> <!--电脑产品中心--> <div class="container hidden-xs mt"> <div class="row"> <!--item--> <div class="col-xs-12 col-sm-4 col-md-4 "> <div class="recent-work-wrap"> <a href=""> <img class="img-responsive" src="images/item1.jpg" alt=""> <div class="overlay"> <div class="recent-work-inner"> <h3>福隆超市连锁</h3> <p> 用连锁形式经营多家超市,实行统一进货、统一配送、统一管理。采用网状型分布的经营策略,遍布汕头各大村镇的大街小巷,其中包括夏桂埔、辛厝寮、陈厝合、广兴村、金砂乡等,全市连锁超市管理系统、超市收银软件、监控系统、防盗报警系统</p> <!--<a class="preview" href="" rel="prettyPhoto" title=""><i class="fa fa-search"></i></a> --> </div> </div> </a> </div> </div> <!--item--> <!--item--> <div class="col-xs-12 col-sm-4 col-md-4 "> <div class="recent-work-wrap"> <a href=""> <img class="img-responsive" src="images/item1.jpg" alt=""> <div class="overlay"> <div class="recent-work-inner"> <h3>福隆超市连锁</h3> <p> 用连锁形式经营多家超市,实行统一进货、统一配送、统一管理。采用网状型分布的经营策略,遍布汕头各大村镇的大街小巷,其中包括夏桂埔、辛厝寮、陈厝合、广兴村、金砂乡等,全市连锁超市管理系统、超市收银软件、监控系统、防盗报警系统</p> <!--<a class="preview" href="" rel="prettyPhoto" title=""><i class="fa fa-search"></i></a> --> </div> </div> </a> </div> </div> <!--item--> <!--item--> <div class="col-xs-12 col-sm-4 col-md-4 "> <div class="recent-work-wrap"> <a href=""> <img class="img-responsive" src="images/item1.jpg" alt=""> <div class="overlay"> <div class="recent-work-inner"> <h3>福隆超市连锁</h3> <p> 用连锁形式经营多家超市,实行统一进货、统一配送、统一管理。采用网状型分布的经营策略,遍布汕头各大村镇的大街小巷,其中包括夏桂埔、辛厝寮、陈厝合、广兴村、金砂乡等,全市连锁超市管理系统、超市收银软件、监控系统、防盗报警系统</p> <!--<a class="preview" href="" rel="prettyPhoto" title=""><i class="fa fa-search"></i></a> --> </div> </div> </a> </div> </div> <!--item--> <!--item--> <div class="col-xs-12 col-sm-4 col-md-4 "> <div class="recent-work-wrap"> <a href=""> <img class="img-responsive" src="images/item1.jpg" alt=""> <div class="overlay"> <div class="recent-work-inner"> <h3>福隆超市连锁</h3> <p> 用连锁形式经营多家超市,实行统一进货、统一配送、统一管理。采用网状型分布的经营策略,遍布汕头各大村镇的大街小巷,其中包括夏桂埔、辛厝寮、陈厝合、广兴村、金砂乡等,全市连锁超市管理系统、超市收银软件、监控系统、防盗报警系统</p> <!--<a class="preview" href="" rel="prettyPhoto" title=""><i class="fa fa-search"></i></a> --> </div> </div> </a> </div> </div> <!--item--> <!--item--> <div class="col-xs-12 col-sm-4 col-md-4 "> <div class="recent-work-wrap"> <a href=""> <img class="img-responsive" src="images/item1.jpg" alt=""> <div class="overlay"> <div class="recent-work-inner"> <h3>福隆超市连锁</h3> <p> 用连锁形式经营多家超市,实行统一进货、统一配送、统一管理。采用网状型分布的经营策略,遍布汕头各大村镇的大街小巷,其中包括夏桂埔、辛厝寮、陈厝合、广兴村、金砂乡等,全市连锁超市管理系统、超市收银软件、监控系统、防盗报警系统</p> <!--<a class="preview" href="" rel="prettyPhoto" title=""><i class="fa fa-search"></i></a> --> </div> </div> </a> </div> </div> <!--item--> <!--item--> <div class="col-xs-12 col-sm-4 col-md-4 "> <div class="recent-work-wrap"> <a href=""> <img class="img-responsive" src="images/item1.jpg" alt=""> <div class="overlay"> <div class="recent-work-inner"> <h3>福隆超市连锁</h3> <p> 用连锁形式经营多家超市,实行统一进货、统一配送、统一管理。采用网状型分布的经营策略,遍布汕头各大村镇的大街小巷,其中包括夏桂埔、辛厝寮、陈厝合、广兴村、金砂乡等,全市连锁超市管理系统、超市收银软件、监控系统、防盗报警系统</p> <!--<a class="preview" href="" rel="prettyPhoto" title=""><i class="fa fa-search"></i></a> --> </div> </div> </a> </div> </div> <!--item--> </div> <a href="" class="more">查看更多</a> </div> <div class="row product hidden-lg" style=" margin: 0; padding-top: 20px;"> <div class="col-lg-12"> <ul class="bxslider"> <li> <a href=""> <div class="element item view view-tenth" data-zlname="reverse-effect"> <img src="images/item1.jpg" alt="" /> <div class="mask"> <a data-zl-popup="link" href="javascript:;"> <i class="icon-link"></i> </a> <a data-zl-popup="link2" class="fancybox" rel="group" href="images/img1.jpg"> <i class="icon-search"></i> </a> </div> </div> </a> </li> <li> <a href=""> <div class="element item view view-tenth" data-zlname="reverse-effect"> <img src="images/item1.jpg" alt="" /> <div class="mask"> <a data-zl-popup="link" href="javascript:;"> <i class="icon-link"></i> </a> <a data-zl-popup="link2" class="fancybox" rel="group" href="images/img1.jpg"> <i class="icon-search"></i> </a> </div> </div> </a> </li> <li> <a href=""> <div class="element item view view-tenth" data-zlname="reverse-effect"> <img src="images/item1.jpg" alt="" /> <div class="mask"> <a data-zl-popup="link" href="javascript:;"> <i class="icon-link"></i> </a> <a data-zl-popup="link2" class="fancybox" rel="group" href="images/img1.jpg"> <i class="icon-search"></i> </a> </div> </div> </a> </li> <li> <a 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class="container"> <div class="row"> <div class="col-lg-4 col-md-3 col-xs-12"> <h2>我们的地址:</h2> <p>临沂市罗庄区高新科技创业大厦一期358</p> <h2 class="contact">联系方式:</h2> <p> 电话:18605395651 </p> <p> 邮箱:50476085@qq.com</p> <p>联系人:柏先生</p> </div> <div class="col-lg-4 col-md-3 col-xs-12"><img src="images/map.png"/></div> <div class="col-lg-4 col-md-3 col-xs-12"> <h2>留言板</h2> <form> <div class="form-group"> <label for="exampleInputEmail1">*姓名</label> <input type="text" class="form-control" placeholder=""> </div> <div class="form-group"> <label for="exampleInputPassword1">*电话</label> <input type="password" class="form-control" id="exampleInputPassword1" placeholder=""> </div> <label for="exampleInputPassword1">*给我们留言</label> <textarea class="form-control" rows="3"></textarea> <button type="submit" class="btn btn-default">提交留言</button> </form> </div> </div> </div> </div> <%@ include file="foot.jsp" %> <script src="js/common-scripts.js"></script> <script src="js/jquery.bxslider.js"></script> <script> RevSlide.initRevolutionSlider(); $(window).load(function() { $('[data-zlname = reverse-effect]').mateHover({ position: 'y-reverse', overlayStyle: 'rolling', overlayBg: '#fff', overlayOpacity: 0.7, overlayEasing: 'easeOutCirc', rollingPosition: 'top', popupEasing: 'easeOutBack', popup2Easing: 'easeOutBack' }); }); $(window).load(function() { $('.flexslider').flexslider({ animation: "slide", start: function(slider) { $('body').removeClass('loading'); } }); }); jQuery(".fancybox").fancybox(); </script> </body> </html> ``` ## **2.企业信息介绍主界面about.jsp** ``` <%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%> <%--引入核心标签库 --%> <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %> <% String title = "华圣物流信息科技有限公司"; String mobile = "18605395651"; %> <!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title><%=title %></title> <meta name="keywords" content="<%=title %>" /> <meta name="description" content="<%=title %>" /> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <link href="css/bootstrap.min.css" rel="stylesheet" type="text/css" /> <link href="css/style.css" rel="stylesheet" type="text/css" /> <link href="css/jquery.bxslider.css" rel="stylesheet" /> <script src="js/jquery-1.10.2.min.js" type="text/javascript"></script> <script src="js/bootstrap.min.js" type="text/javascript"></script> <script type="text/javascript" src="js/hover-dropdown.js"></script> <script type="text/javascript" src="js/jquery.bxslider.js"></script> </head> <body> <div class="top hidden-xs"> <div class="container"> <div class="top-fl">Hi,欢迎来到<%=title %>!</div> <div class="top-fr">客服热线:<%=mobile %></div> </div> </div> <header class="header-frontend"> <div class="navbar navbar-default navbar-static-top"> <div class="container"> <div class="navbar-header"> <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target=".navbar-collapse"> <span class="icon-bar"></span> <span class="icon-bar"></span> <span class="icon-bar"></span> </button> <a class="navbar-brand" href="index.html"><img src="images/logo.png"/></a> </div> <div class="navbar-collapse collapse" style="height: 1px;"> <%@ include file="head.jsp" %> </div> </div> </div> </header> <!--图片轮播--> <div id="carousel-example-generic" class="carousel slide" data-ride="carousel"> <ol class="carousel-indicators"> <li data-target="#carousel-example-generic" data-slide-to="0" class="active"></li> <li data-target="#carousel-example-generic" data-slide-to="1"></li> </ol> <div class="carousel-inner" role="listbox"> <div class="item active"> <img src="images/banner.png" alt=""> </div> <div class="item"> <img src="images/banner.png" alt=""> </div> </div> <!-- Controls --> <a class="left carousel-control" href="#carousel-example-generic" role="button" data-slide="prev"> <span class="glyphicon glyphicon-chevron-left" aria-hidden="true"></span> <span class="sr-only">Previous</span> </a> <a class="right carousel-control" href="#carousel-example-generic" role="button" data-slide="next"> <span class="glyphicon glyphicon-chevron-right" aria-hidden="true"></span> <span class="sr-only">Next</span> </a> </div> <div class="pst_bg"> <div class="pst"> 您当前的位置: <a href="about.jsp">关于我们</a>> <a href="about.jsp">公司简介</a> </div> </div> <div class="scd clearfix"> <div class="scd_l"> <div class="s_name"> 关于我们 </div> <ul class="s_nav"> <c:forEach items="${ciList }" var="ci"> <li><a href="#${ci.ciNo300 }">${ci.ciTitle300 }</a></li> </c:forEach> </ul> </div> <div class="scd_r"> <c:forEach items="${ciList }" var="ci"> <div class="r_name" id="${ci.ciNo300 }"><span>${ci.ciTitle300 }</span></div> <div class="about"> <img src="${ci.ciImage300 }" width="850" height="449" /><br /> <p style="text-indent:2em; line-height: 30px;">${ci.ciContent300 }</p> </div> </c:forEach> </div> </div> <%@ include file="foot.jsp" %> </html> ``` ```