Spring-事务管理（基于xml配置文件进行声明式事务管理）

1.在spring配置文件进行配置

 第一步：配置事务管理器

 第二步：配置通知

 第三步：配置切入点和切面

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

    <!--    开启组件扫描-->
    <context:component-scan base-package="com.orzjiangxiaoyu.spring"></context:component-scan>

    <!--  数据库连接池  -->
    <context:property-placeholder location="mysqljdbc.properties"></context:property-placeholder>
    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">
        <property name="url" value="${jdbc.url}"></property>
        <property name="username" value="${jdbc.username}"></property>
        <property name="password" value="${jdbc.password}"></property>
        <property name="driverClassName" value="${jdbc.driverClassName}"></property>
    </bean>
    <!-- JdbcTemplate对象   -->
    <bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate" >
        <!-- 注入dataSource   -->
        <property name="dataSource" ref="dataSource"></property>
    </bean>
    <!-- 创建事务管理器   -->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <!--  注入dataSource      -->
        <property name="dataSource" ref="dataSource"></property>
    </bean>


    <!--    配置通知-->
    <tx:advice id="txadvice">
        <!--   配置事务参数     -->
        <tx:attributes>
            <!--    指定哪种规则方法上面添加事务        -->
            <tx:method name="accountMoney" propagation="REQUIRED"/>
<!--            <tx:method name="account*"></tx:method>-->
        </tx:attributes>
    </tx:advice>

    <!--  配置切入点切面  -->
    <aop:config>
        <!--        配置切入点-->
        <aop:pointcut id="pt" expression="execution(* com.orzjiangxiaoyu.spring.service.BankService.*(..))"/>
        <!--        配置切面-->
        <aop:advisor advice-ref="txadvice" pointcut-ref="pt"></aop:advisor>
    </aop:config>

</beans>

package com.orzjiangxiaoyu.spring.service;

import com.orzjiangxiaoyu.spring.dao.BankDao;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Isolation;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;

/**
 * @author orz
 * @create 2020-08-18 16:32
 */
@Service
public class BankService {

    @Autowired
    private BankDao bankDao;

    //转账方法

 



    //声明式
    public void accountMoney()
    {
        //少钱操作
        bankDao.reduceMoney();

        //手动抛出异常
        System.out.println(1/0);

        //多钱操作
        bankDao.addMoney();
    }


}