title: spring中使用c3p0

date: 2018-3-1 12:44:20

categories: Spring

tags: Spring


xl_echo编辑整理

spring中内置连接池的使用

配置文件代码

<?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:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
<!-- bean definitions here -->

<!-- spring内置连接池 -->
<bean id="driverManagerDataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="driverClassName" value="com.mysql.jdbc.Driver"></property>
<property name="url" value="jdbc:mysql://localhost:3306/myxlsorry"></property>
<property name="username" value="root"></property>
<property name="password" value="20263800mq"></property>
</bean>



<!-- 创建c3p0连接池 -->
<bean id="c3p0DataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="driverClass" value="com.mysql.jdbc.Driver"></property>
<property name="jdbcUrl" value="jdbc:mysql://localhost:3306/myxlsorry"></property>
<property name="user" value="root"></property>
<property name="password" value="20263800mq"></property>
</bean>


<!-- 指定连接池 -->
<bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
<property name="dataSource" ref="c3p0DataSource"></property>
</bean>

</beans>

测试代码

package com.echo.springjdbc;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = "classpath:applicationContext.xml")
public class C3P0Test {

@Autowired
private JdbcTemplate jdbcTemplate;

@Test
public void Test1(){
jdbcTemplate.execute("update springtest set name = '王五' where id = 3");
}

}