Spring 框架下 事务的配置(复杂)

//db.properties配置  src下的文件

jdbc.jdbcUrl=jdbc:mysql:///day43
jdbc.driverClass=com.mysql.jdbc.Driver
jdbc.user=root
jdbc.password=root

//applicationContext.xml的配置

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xmlns="http://www.springframework.org/schema/beans"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/context
 http://www.springframework.org/schema/context/spring-context-4.2.xsd
 http://www.springframework.org/schema/beans
 http://www.springframework.org/schema/beans/spring-beans-4.2.xsd
 http://www.springframework.org/schema/aop
 http://www.springframework.org/schema/aop/spring-aop-4.2.xsd
 http://www.springframework.org/schema/tx
 http://www.springframework.org/schema/tx/spring-tx-4.2.xsd ">

<!--指定读取配置文件 -->
   <context:property-placeholder location="classpath:db.properties"/>
   <!-- 事物核心管管理器  依赖连接词池-->
 <bean name="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
     <property name="dataSource" ref="dataSource"></property>
 </bean>
   <!-- 事物模板对象 -->
 <bean name="transactionTemplat" class="org.springframework.transaction.support.TransactionTemplate">
      <property name="transactionManager" ref="transactionManager"></property>
 </bean>
 <!-- 配置事物通知  -->
 <tx:advice id="txAdvice" transaction-manager="transactionManager">
    <tx:attributes>
        <tx:method name="transfer" isolation="REPEATABLE_READ" propagation="REQUIRED" read-only="false"/>
    </tx:attributes>
 </tx:advice>
 <!-- 配置织入  -->
 <aop:config>
 <!-- 切点表达式 -->
     <aop:pointcut expression="execution(* cn.jy.service.*ServiceImp.*(..))" id="txPc"/>
 <!-- 配通知给 切点-->
 <aop:advisor advice-ref="txAdvice" pointcut-ref="txPc"/>
 </aop:config>
   <!--1 将连接池放进spring容器 -->
   <bean name="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
       <property name="jdbcUrl" value="${jdbc.jdbcUrl}"></property>
       <property name="driverClass" value="${jdbc.driverClass}"></property>
       <property name="user" value="${jdbc.user}"></property>
       <property name="password" value="${jdbc.password}"></property>
   </bean>
   <!-- 2 将jdbc模板放进连接池 -->
   <!-- <bean name="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
         <property name="dataSource" ref="dataSource"></property>
   </bean> -->
   <!-- 3将AccountDaoImp放进连接池 -->
   <bean name="accountDaoImp" class="cn.jy.dao.AccountDaoImp">
           <property name="dataSource" ref="dataSource"></property>
   </bean>
   <!-- 4将userServiceImp放进连接池 -->
   <bean name="accountService" class="cn.jy.service.AccountServiceImp">
           <property name="ad" ref="accountDaoImp"></property>
   </bean>
 </beans>

//AccountDaoImp层

package cn.jy.dao;

import org.springframework.jdbc.core.support.JdbcDaoSupport;

public class AccountDaoImp extends JdbcDaoSupport  implements AccountDao {

    @Override
    public void addMoney(Integer id, Double money) {
        getJdbcTemplate().update("update account1 set money=money+? where id=?",money,id);
        

    }

    @Override
    public void decreaseMoney(Integer id, Double money) {
           getJdbcTemplate().update("update account1 set money=money-? where id=?",money,id);

    }

}
//AccountService层

package cn.jy.service;

import cn.jy.dao.AccountDao;

public class AccountServiceImp implements AccountService {
private AccountDao ad;

public void setAd(AccountDao ad) {
    this.ad = ad;
}

    @Override
    public void transfer(Integer from, Integer to, Double money) {
        ad.decreaseMoney(to, money);
        
        //int i=0/0;
        ad.addMoney(from, money);
        

    }

}

//测试

package cn.jy.service;

import javax.annotation.Resource;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("classpath:applicationContext.xml")
public class Demo {
 @Resource(name="accountService")
 private AccountService aa;
 @Test
 public void fun1(){
     aa.transfer(1, 2,100d);
 }
 
}

原文地址:https://www.cnblogs.com/Fisherman13/p/10581007.html