使用注解方式配置事务管理只要在所有service层类前面加上@Transactional注解和在beans.xml中加入下面这句话
<!-- 开启事务控制的注解支持 -->
<tx:annotation-driven transaction-manager="transactionManager"/>
beans.xml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: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.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
<property name="driverClassName" value="${jdbc.driverClassName}"/>
<property name="url" value="${jdbc.url}"/>
<property name="username" value="${jdbc.username}"/>
<property name="password" value="${jdbc.password}"/>
</bean>
<!-- jdbc事务管理器 -->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"></property>
</bean>
<!-- 开启事务控制的注解支持 -->
<tx:annotation-driven transaction-manager="transactionManager"/>
<context:property-placeholder location="jdbc.properties"/>
<bean id="namedParameterJdbcTemplate" class="org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate">
<constructor-arg ref="dataSource"></constructor-arg>
</bean>
<bean id="bankDao" class="com.java1234.dao.impl.BankDaoImpl">
<property name="namedParameterJdbcTemplate" ref="namedParameterJdbcTemplate"></property>
</bean>
<bean id="bankService" class="com.java1234.service.impl.BankServiceImpl">
<property name="bankDao" ref="bankDao"></property>
</bean>
</beans>
在service层加上@Transactional注解的实例如下:
package com.java1234.service.impl;
import com.java1234.dao.BankDao;
import com.java1234.service.BankService;
@Transactional
public class BankServiceImpl implements BankService{
private BankDao bankDao;
public void setBankDao(BankDao bankDao) {
this.bankDao = bankDao;
}
@Override
public void transferAccounts(int count, int userIdA, int userIdB) {
// TODO Auto-generated method stub
// TODO Auto-generated method stub
bankDao.outMoney(count, userIdA);
bankDao.inMoney(count, userIdB);
}
}