jdbc和spring的整合，部分配置文件

<?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:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation=" http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.0.xsd">

<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" >
<property name="driverClassName" value="com.microsoft.sqlserver.jdbc.SQLServerDriver"/>
<property name="url" value="jdbc:sqlserver://localhost:1159;DatabaseName=hibernate_first"/>
<property name="username" value="sa"/>
<property name="password" value="123"/>
<!-- 连接池启动时的初始值 -->
<property name="initialSize" value="1"/>
<!-- 连接池的最大值 -->
<property name="maxActive" value="500"/>
<!-- 最大空闲值.当经过一个高峰时间后，连接池可以慢慢将已经用不到的连接慢慢释放一部分，一直减少到maxIdle为止 -->
<property name="maxIdle" value="2"/>
<!--  最小空闲值.当空闲的连接数少于阀值时，连接池就会预申请去一些连接，以免洪峰来时来不及申请 -->
<property name="minIdle" value="1"/>
</bean>

<bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
<property name="dataSource" ref="dataSource"></property>
</bean>

<bean id="stuDao" class="com.gem.jdbc.dao.impl.StuDaoImpl">
<property name="jdbcTemplate" ref="jdbcTemplate"></property>

</bean>

</beans>

public class StuDaoImpl implements StuDao{
/*
* 面向对象思想
*/
private JdbcTemplate jdbcTemplate;
public void setJdbcTemplate(JdbcTemplate jdbcTemplate) {
this.jdbcTemplate = jdbcTemplate;
}
@Override
public void del(int id) {
String sql="delete from Stu where id="+id;
jdbcTemplate.update(sql);
}
@Override
public void insert(Stu ss) {
String sql="insert into Stu(sname,spwd) values(?,?)";
Object[] args=new Object[]{ss.getSname(),ss.getSpwd()};
jdbcTemplate.update(sql, args);
}
@Override
public List selAll() {
String sql = "select * from Stu";
return jdbcTemplate.query(sql,new ResultSet());
}
@Override
public List selById(int id) {
String sql = "select * from Stu where id="+id;
return jdbcTemplate.query(sql,new ResultSet());
}
@Override
public void update(Stu ss) {
String sql = "update Stu set sname='"+ss.getSname()+"', spwd='"+ss.getSpwd()+"' where id="+ss.getId();
jdbcTemplate.update(sql);
}
}