开发SSH项目的时候搭建开发环境是一项很重要的工作，这篇博客从下载jar包开始一步一步在eclipse中进行配置。配置jdk、安装eclipse、tomact相信每一个学习ssh框架的同学都轻车熟路，不熟悉的同学请自行百度之。
个人机器及软件配置：
> 操作系统：Windows 7 64位
jdk：1.7
tomact：6.0
eclipse：: Luna Service Release 2 (4.4.2)
### 一.下载好jar包
首先下载好struts 2.3.4、spring 4.2.3、hibernate4.3.11、commons-logging、mysql驱动、c3p0
1. struts 2下载地址 [http://struts.apache.org/index.html](http://struts.apache.org/index.html)
2. spring下载地址[http://repo.springsource.org/libs-release-local/org/springframework/spring/](http://repo.springsource.org/libs-release-local/org/springframework/spring/)
3. hibernate下载地址[http://hibernate.org/orm/downloads/](http://hibernate.org/orm/downloads/)
4. commons-logging下载地址[http://commons.apache.org/proper/commons-logging/download_logging.cgi](http://commons.apache.org/proper/commons-logging/download_logging.cgi)，下载commons-logging-1.2-bin.zip
5. mysql驱动下载地址[http://dev.mysql.com/downloads/connector/j/](http://dev.mysql.com/downloads/connector/j/)
6. c3p0地址地址[[http://mvnrepository.com/artifact/c3p0/c3p0][http://mvnrepository.com/artifact/c3p0/c3p0]](http://mvnrepository.com/artifact/c3p0/c3p0][http://mvnrepository.com/artifact/c3p0/c3p0])
下载好后分别解压，lstruts-2.3.24-all、spring-framework-4.2.3.RELEASE-dist、hibernate-release-4.3.10.Final、commons-logging-1.2-bin这几个文件夹内放的都是需要的jar包，以后我们需要加入配置文件的时候就从这几个文件夹内取。
### 二、安装eclipse插件
打开eclipse，找到help->eclipse marketplace，分别搜索 hibernate、spring，安装hibernate tools插件和spring tool suite插件。
### 三、新建动态web工程
打开eclipse，新建dynamic web project，project name可以自定义，target runtime选择Apache tomact 6.0，dynamic web module version选择2.5.finish.
在webcontent目录下新建index.jsp，tomcat中运行，文件目录及运行效果如下：
### 四、加入spring
首先加入spring，需要下面这三个步骤：加入jar包、配置web.xml、加入spring配置文件
1. 加入jar包
打开spring-framework-4.2.3.RELEASE-dist\spring-framework-4.2.3.RELEASE\libs文件夹，复制以下jar包到WebContent/WEB-INF/lib：
> spring-aspects-4.2.3.RELEASE.jar
spring-beans-4.2.3.RELEASE.jar
spring-context-4.2.3.RELEASE.jar
spring-core-4.2.3.RELEASE.jar
spring-expression-4.2.3.RELEASE.jar
spring-instrument-4.2.3.RELEASE.jar
spring-jdbc-4.2.3.RELEASE.jar
spring-jms-4.2.3.RELEASE.jar
spring-messaging-4.2.3.RELEASE.jar
spring-orm-4.2.3.RELEASE.jar
spring-test-4.2.3.RELEASE.jar
spring-tx-4.2.3.RELEASE.jar
spring-web-4.2.3.RELEASE.jar
spring-webmvc-4.2.3.RELEASE.jar
spring-websocket-4.2.3.RELEASE.jar
打开commons-logging-1.2，找到commons-logging-1.2.jar，复制到lib目录下.然后选中所有jar包，add to build path.
2.配置web.xml
打开web.xml,安装spring tools插件后按alt+/自动补全键会提示，向上找到ContextLoaderListener.会自动生成以下代码：
~~~
<!-- needed for ContextLoaderListener -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>location</param-value>
</context-param>
<!-- Bootstraps the root web application context before servlet initialization -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
~~~
3.加入spring配置文件
点击工程名，新建source folder(注意：不是folder),命名为conf，用来存放配置文件.在conf目录下新建Spring Bean Definition file,名称为applicationContext.xml.将web.xml中spring配置中的location改为：classpath:applicationContext.xml.
~~~
<!-- needed for ContextLoaderListener -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext.xml</param-value>
</context-param>
<!-- Bootstraps the root web application context before servlet initialization -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
~~~
### 五、设置c3p0数据库连接池
1.加入c3p0和mysql连接驱动.把下面两个jar包加到lib目录，每次加入新的jar包都要add to build path.
> c3p0-0.9.1.2.jar
mysql-connector-java-5.1.38-bin.jar
2.在conf目录下新建资源文件
添加db.properties文件
~~~
jdbc.user=root
jdbc.password=123456
jdbc.driverClass=com.mysql.jdbc.Driver
jdbc.jdbcUrl=jdbc:mysql:///sshdb
jdbc.initPoolSize=5
jdbc.maxPoolSize=10
~~~
更新applicationContext.xml
~~~
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.1.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.1.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.1.xsd">
<!-- 导入资源文件 -->
<context:property-placeholder location="classpath:db.properties" />
<!-- 配置C3P0数据源 -->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="user" value="${jdbc.user}"></property>
<property name="password" value="${jdbc.password}"></property>
<property name="driverClass" value="${jdbc.driverClass}"></property>
<property name="jdbcUrl" value="${jdbc.jdbcUrl}"></property>
<property name="initialPoolSize" value="${jdbc.initPoolSize}"></property>
<property name="maxPoolSize" value="${jdbc.maxPoolSize}"></property>
</bean>
<bean id="sessionFactorys" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
<property name="dataSource" ref="dataSource"></property>
<property name="configLocation" value="classpath:hibernate.cfg.xml"></property>
<property name="mappingLocations" value="classpath:cn/ac/ucas/form/*.hbm.xml"></property>
</bean>
</beans>
~~~
### 六、spring整合hibernate
1. 加入jar包
将hibernate-release-4.3.10.Final\lib\required目录下的jar包全部copy到工程lib目录下.
1. 添加hibernate配置文件
在conf目录下新建hibernate.cfg.xml，并配置hibernate基本属性.
~~~
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<!-- 配置hibernate基本属性 -->
<!-- 方言 ctrl+shift+t 输入mysql5，找到org.hibernate.dialect.MySQL5InnoDBDialect-->
<property name="hibernate.dialect">org.hibernate.dialect.MySQL5InnoDBDialect</property>
<!-- 是否显示格式化sql -->
<property name="hibernate.show_sql">true</property>
<property name="hibernate.format_sql">true</property>
<!-- 生成数据表的策略 -->
<property name="hibernate.hbm2ddl.auto">update</property>
<!--二级缓存配置相关 -->
</session-factory>
</hibernate-configuration>
~~~
###七.创建持久化类
1. 新建cn.ac.ucas.form包，里面新建两个类.
员工所属部门类：
~~~
package cn.ac.ucas.form;
public class Department {
private Integer id;
private String departmentName;//部门名称
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getDepartmentName() {
return departmentName;
}
public void setDepartmentName(String departmentName) {
this.departmentName = departmentName;
}
}
~~~
员工信息类：
~~~
package cn.ac.ucas.form;
import java.util.Date;
public class Employee {
// id不能修改
private Integer id;
private String lastName;
private String email;
// 从前端传来的是string类型,需要注意转换
private Date birth;
// 创建时间不能被修改
private Date createTime;
// 单向多对一的关联关系.
private Department department;
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getLastName() {
return lastName;
}
public void setLastName(String lastName) {
this.lastName = lastName;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
public Date getBirth() {
return birth;
}
public void setBirth(Date birth) {
this.birth = birth;
}
public Date getCreateTime() {
return createTime;
}
public void setCreateTime(Date createTime) {
this.createTime = createTime;
}
public Department getDepartment() {
return department;
}
public void setDepartment(Department department) {
this.department = department;
}
}
~~~
点击包名,new->other->hibernate->hibernate xml mapping file，会自动生成持久化类对应的.hbm.xml文件.
Department.hbm.xml
~~~
<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<!-- Generated 2015-12-15 12:07:42 by Hibernate Tools 3.4.0.CR1 -->
<hibernate-mapping>
<class name="cn.ac.ucas.form.Department" table="SSH_DEPARTMENT">
<id name="id" type="java.lang.Integer">
<column name="ID" />
<generator class="native" />
</id>
<property name="departmentName" type="java.lang.String">
<column name="DEPARTMENT_NAME" />
</property>
</class>
</hibernate-mapping>
~~~
Employee.hbm.xml
~~~
<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<!-- Generated 2015-12-15 12:07:42 by Hibernate Tools 3.4.0.CR1 -->
<hibernate-mapping>
<class name="cn.ac.ucas.form.Employee" table="SSH_EMPLOYEE">
<id name="id" type="java.lang.Integer">
<column name="ID" />
<generator class="native" />
</id>
<property name="lastName" type="java.lang.String">
<column name="LASTNAME" />
</property>
<property name="email" type="java.lang.String">
<column name="EMAIL" />
</property>
<property name="birth" type="java.util.Date">
<column name="BIRTH" />
</property>
<property name="createTime" type="java.util.Date">
<column name="CREATETIME" />
</property>
<many-to-one name="department" class="cn.ac.ucas.form.Department" fetch="join">
<column name="DEPARTMENT" />
</many-to-one>
</class>
</hibernate-mapping>
~~~
运行项目，成功的话会在数据库中生成数据库表.
###八.spring整合struts
1.加入jar包
把struts-2.3.24\apps\struts2-blank\WEB-INF\lib目录下的jar拷贝到工程lib目录下.
web.xml中加入下面代码：
~~~
<filter>
<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
~~~
至此ssh项目环境配置已经完成.
代码下载地址：[http://download.csdn.net/detail/napoay/9358803](http://download.csdn.net/detail/napoay/9358803)
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