1. 业务代码

数据表结构
dao

package com.lovely.dao.impl;import com.lovely.dao.AccountDao;
import org.springframework.jdbc.core.JdbcTemplate;/*** @author echo lovely* @date 2020/8/9 11:01*/
public class AccountDaoImpl implements AccountDao {private JdbcTemplate jdbcTemplate;// 提供set方法 用于依赖注入public void setJdbcTemplate(JdbcTemplate jdbcTemplate) {this.jdbcTemplate = jdbcTemplate;}// 出账public void out(String outMan, Double money) {String sql = "update account set money = money - ? where name = ?";jdbcTemplate.update(sql, new Object[]{money, outMan});}// 进账public void in(String inMan, Double money) {String sql = "update account set money = money + ? where name = ?";jdbcTemplate.update(sql, new Object[]{money, inMan});}
}

service

package com.lovely.service.impl;import com.lovely.dao.AccountDao;
import com.lovely.service.AccountService;/*** @author echo lovely* @date 2020/8/9 11:08*/
public class AccountServiceImpl implements AccountService {private AccountDao accountDao;public void setAccountDao(AccountDao accountDao) {this.accountDao = accountDao;}/*** 转账业务具体实现 需要使用事务* @param outMan 转出人* @param inMan  收账人* @param money  money*/public void transfer(String outMan, String inMan, Double money) {accountDao.in(inMan, money);System.out.println(1/0);accountDao.out(outMan, money);}
}

controller

package com.lovely.controller;import com.lovely.service.AccountService;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;/*** @author echo lovely* @date 2020/8/9 11:12*/
public class AccountController {public static void main(String[] args) {ApplicationContext app = new ClassPathXmlApplicationContext("applicationContext.xml");AccountService accountService = app.getBean(AccountService.class);// 转账测试accountService.transfer("jack", "rose", 1000.0);}
}

上面的bean的创建方式set注入，没搞注解

2. xml配置

核心事务管理器对转账方法动态进行事务控制

    <!-- 数据源事务管理器 --><bean id="tranManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"><property name="dataSource" ref="dataSource" /></bean><!-- 事务通知 增强方法 --><tx:advice id="txAdvice" transaction-manager="tranManager"><!--事务属性信息的配置--><tx:attributes><tx:method name="*"/><!--<tx:method name="transfer*" isolation="DEFAULT" read-only="false"/>--></tx:attributes></tx:advice><!-- 配置事务的织入 --><aop:config><!--<aop:pointcut id="myPointcut" expression="execution(* com.lovely.service.impl.*.*(..))"/><aop:advisor advice-ref="txAdvice" pointcut-ref="myPointcut"/>--><aop:advisor advice-ref="txAdvice" pointcut="execution(* com.lovely.service.impl.*.*(..))"/></aop:config>

3. 注解配置

注解配置

    <!-- 数据源事务管理器 --><bean id="tranManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"><property name="dataSource" ref="dataSource" /></bean><!-- 开启事务的注解驱动 --><tx:annotation-driven transaction-manager="tranManager"></tx:annotation-driven>

事务注解

package com.lovely.service.impl;import com.lovely.dao.AccountDao;
import com.lovely.service.AccountService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;/*** @author echo lovely* @date 2020/8/9 11:08*/@Service("accountServiceImpl")
public class AccountServiceImpl implements AccountService {@Autowiredprivate AccountDao accountDao;/*** 转账业务具体实现 需要使用事务* @param outMan 转出人* @param inMan  收账人* @param money  money*/@Transactional(timeout = 1)public void transfer(String outMan, String inMan, Double money) {accountDao.in(inMan, money);System.out.println(1/0);accountDao.out(outMan, money);}
}