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

  <!--事務(wù)管理器對(duì)象-->
    <!--<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource"/>
    </bean>--> 
// 通知增強(qiáng)
    <tx:advice id="txAdvice" transaction-manager="transactionManager">
       //定義事務(wù)的一些屬性 * 表示當(dāng)前任意名稱的方法都走默認(rèn)配置
     <!--
            name: 切點(diǎn)方法名稱
            isolation：事務(wù)的隔離級(jí)別
            propagation：事務(wù)的傳播行為
            read-only：是否只讀
            timeout：超時(shí)時(shí)間
        -->
        <tx:attributes>
            <tx:method name="transfer" isolation="REPEATABLE_READ" propagation="REQUIRED" read-only="false" timeout="-1"/>
            //CRUD常用配置
            <tx:method name="save*" propagation="REQUIRED"/>
            <tx:method name="delete*" propagation="REQUIRED"/>
            <tx:method name="update*" propagation="REQUIRED"/>
            <tx:method name="find*" read-only="true"/>
            <tx:method name="*"/>
        </tx:attributes>
    </tx:advice>

//aop配置：配置切面   
<aop:config>  
        <aop:advisor advice-ref="txAdvice" pointcut="execution(* com.lagou.servlet.impl.AccountServiceImpl.*(..))"/>
    </aop:config>-->

@Service
public class AccountServiceImpl implements AccountService {
  @Autowired
  private AccountDao accountDao;
    @Transactional(propagation = Propagation.REQUIRED, isolation =
Isolation.REPEATABLE_READ, timeout = -1, readOnly = false)
  @Override
  public void transfer(String outUser, String inUser, Double money) {
    accountDao.out(outUser, money);
    int i = 1 / 0;
    accountDao.in(inUser, money);
 }
}

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
   xmlns:xsi="http://www.w2.org/2001/XMLSchema-instance"
   xmlns:context="http://www.springframework.org/schema/context"
   xmlns:aop="http://www.springframework.org/schema/aop"
   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/context
http://www.springframework.org/schema/context/spring-context.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">
  <!--省略之前datsSource、jdbcTemplate、組件掃描配置-->
  <!--事務(wù)管理器-->
  <bean id="transactionManager"
class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
    <property name="dataSource" ref="dataSource"></property>
  </bean>
  <!--事務(wù)的注解支持-->
  <tx:annotation-driven/>
</beans

@Configuration  // 聲明該類為核心配置類
@ComponentScan("com.lagou")  // 包掃描
@Import(DataSourceConfig.class) //導(dǎo)入其他配置類
@EnableTransactionManagement //事務(wù)的注解驅(qū)動(dòng)
public class SpringConfig {
    @Bean
    public JdbcTemplate getJdbcTemplate(@Autowired DataSource dataSource){
        JdbcTemplate jdbcTemplate = new JdbcTemplate(dataSource);
        return jdbcTemplate;
    }
    @Bean
    public PlatformTransactionManager getPlatformTransactionManager(@Autowired DataSource dataSource){
        DataSourceTransactionManager dataSourceTransactionManager = new DataSourceTransactionManager(dataSource);
        return dataSourceTransactionManager;
    }
}

@PropertySource("classpath:jdbc.properties") //引入properties文件
public class DataSourceConfig {
    @Value("${jdbc.driverClassName}")
    private String driver;
    @Value("${jdbc.url}")
    private String url;
    @Value("${jdbc.username}")
    private String username;
    @Value("${jdbc.password}")
    private String password;
    @Bean //會(huì)把當(dāng)前方法的返回值對(duì)象放進(jìn)IOC容器中
    public DataSource getDataSource(){
        DruidDataSource druidDataSource = new DruidDataSource();
        druidDataSource.setDriverClassName(driver);
        druidDataSource.setUrl(url);
        druidDataSource.setUsername(username);
        druidDataSource.setPassword(password);
        return druidDataSource;
    }
}