配置文件
```
<!-- spring jdbc datasource -->
<bean id="dataSource" class="org.apache.commons.dbcp2.BasicDataSource">
<property name="driverClassName" value="${driver}"></property>
<property name="url" value="${url}"></property>
<property name="username" value="${uname}"></property>
<property name="password" value="${password}"></property>
</bean>
<!-- spring jdbc template -->
<bean id="jt" class="org.springframework.jdbc.core.JdbcTemplate">
<property name="dataSource" ref="dataSource"></property>
</bean>
```
java类实现
```
import java.sql.Date;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.core.RowMapper;
import org.springframework.stereotype.Repository;
import com.neuedu.model.po.Student;
@Repository
public class StudentDAO {
@Autowired
private JdbcTemplate jt;
public void addStudent()
{
String sql = "insert into student values(null,?,?,?,?,?,?)";
Object[] args = {"123","feiyy",Date.valueOf("1991-1-1"),"女","计算机",1003};
//执行操作
jt.update(sql, args);
}
public List<Student> getUsers(Student s)
{
String sql = "select * from student where stuname = ?";
Object[] args = {s.getStuname()};
return jt.query(sql, args,new RowMapper<Student>(){
@Override
public Student mapRow(ResultSet rs, int rowNum) throws SQLException {
Student s = new Student();
s.setStuno(rs.getLong("stuno"));
s.setStuname(rs.getString("stuname"));
s.setBirthday(rs.getDate("birthday"));
return s;
}
});
}
public Student getUser(long stuno)
{
String sql = "select * from student where stuno = ?";
Object[] args = {stuno};
return jt.queryForObject(sql, args, new RowMapper<Student>(){
@Override
public Student mapRow(ResultSet rs, int rowNum) throws SQLException {
Student s = new Student();
s.setStuno(rs.getLong("stuno"));
s.setStuname(rs.getString("stuname"));
s.setBirthday(rs.getDate("birthday"));
return s;
}});
}
}
```
测试类的实现
```
public class TestSpringJDBC {
@Test
public void testUpdate()
{
ApplicationContext ctx = new ClassPathXmlApplicationContext("applicationContext.xml");
StudentDAO dao = ctx.getBean(StudentDAO.class);
dao.addStudent();
}
@Test
public void testQueryList()
{
ApplicationContext ctx = new ClassPathXmlApplicationContext("applicationContext.xml");
StudentDAO dao = ctx.getBean(StudentDAO.class);
Student condition = new Student();
condition.setStuname("汤姆");
List<Student> students = dao.getUsers(condition);
for(Student s: students)
{
System.out.println(s.getStuno()+"\t"+s.getStuname()+"\t"+s.getBirthday());
}
}
@Test
public void testQueryOne()
{
ApplicationContext ctx = new ClassPathXmlApplicationContext("applicationContext.xml");
StudentDAO dao = ctx.getBean(StudentDAO.class);
Student s = dao.getUser(2019040409999L);
System.out.println(s.getStuno()+"\t"+s.getStuname()+"\t"+s.getBirthday());
}
}
```
