spring基于xml实现事务管理

简单的事务管理实现

• dao层

public interface AccountDao {

    public void out(String outer,Integer money);

    public void in(String inner,Integer money);
}

• daoImpl

public class AccountDaoImpl extends JdbcDaoSupport implements AccountDao {

    @Override
    public void out(String outer, Integer money) {
        this.getJdbcTemplate().update("update account set money = money - ? where username = ?",money,outer);
    }

    @Override
    public void in(String inner, Integer money) {
        this.getJdbcTemplate().update("update account set money = money + ? where username = ?",money,inner);
    }
}

• Service层

public interface AccountService {
    public void transfer(String outer,String inner,Integer money);
}

• serviceImpl

@Transactional(propagation= Propagation.REQUIRED,isolation = Isolation.DEFAULT)
public class AccountServiceImpl implements AccountService{

    private AccountDao accountDao;

    public void setAccountDao(AccountDao accountDao) {
        this.accountDao = accountDao;
    }

    @Override
    public void transfer(String outer, String inner, Integer money) {
        accountDao.out(outer,money);
//        int i = 1 / 0;
        accountDao.in(inner,money);
    }
}

• applicationContext.xml

<!--1.数据源-->
    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
        <property name="driverClass" value="com.mysql.jdbc.Driver"></property>
        <property name="jdbcUrl" value="jdbc:mysql://localhost:3306/ee19_spring_day03"></property>
        <property name="user" value="root"></property>
        <property name="password" value=""></property>
    </bean>
    <!--2.dao层-->
    <bean id="accountDaoId" class="com.it.dao.AccountDaoImpl">
        <property name="dataSource" ref="dataSource"></property>
    </bean>
    <!--3.service层-->
    <bean id="accountServiceId" class="com.it.Service.AccountServiceImpl">
        <property name="accountDao" ref="accountDaoId"></property>
    </bean>

    <!--4 事务管理-->
    <!--4.1事务管理器-->
    <bean id="xtManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource"></property>
    </bean>
    <!-- 将管理器给spring-->
    <tx:annotation-driven transaction-manager="xtManager" proxy-target-class="false"></tx:annotation-driven>

• 测试。。。。。

@Test
    public void demo1(){

        ApplicationContext applicationContext = new ClassPathXmlApplicationContext("applicationContext.xml");
        AccountService userService = applicationContext.getBean("accountServiceId",AccountService.class);

        userService.transfer("jack","rose",1000);
    }