aop 注解 开启spring自带的事务

一些基本知识 可以

http://jinnianshilongnian.iteye.com/blog/1415606

serviceImpl.java

 package cn.us.service.impl;

 import java.util.List;
 import java.util.UUID;

 import javax.annotation.Resource;

 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Qualifier;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Propagation;
 import org.springframework.transaction.annotation.Transactional;

 import cn.us.dao.IUserDao;
 import cn.us.dao.impl.UserDaoImpl;
 import cn.us.domain.User;
 import cn.us.service.IUserService;
 @Service(value="userService")
 //@Transactional(propagation=Propagation.SUPPORTS,readOnly=true)

 public class UserServiceImpl implements IUserService {

     //@Resource(name="userDao")
     @Autowired
     @Qualifier(value="userDao")
     private IUserDao userDao;

     public User getOne(String uid) {
         return userDao.getOne(uid);
     }
     //这个方法不需要通知
 //    @Transactional(propagation = Propagation.NOT_SUPPORTED)
     public List<User> getAllUsers() {
         return userDao.getAllUsers();
     }

     public boolean isExistenceUser(User user) {
         return userDao.isExistenceUser(user);
     }

     @Transactional(readOnly = false, propagation=Propagation.REQUIRED)
     public User addUser(User user) {
         user.setUid(UUID.randomUUID().toString());
         userDao.addUser(user);
         return user;
     }
 }

xml配置

 <?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: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-3.0.xsd
                          http://www.springframework.org/schema/context
                          http://www.springframework.org/schema/context/spring-context-3.0.xsd
                          http://www.springframework.org/schema/tx
                          http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
                          http://www.springframework.org/schema/aop
                          http://www.springframework.org/schema/aop/spring-aop-3.0.xsd">
 <!--         注册注解配置 -->
       <context:annotation-config/>
      <!--注入 事务管理器  这个注解驱动 告诉 spring 注解驱动 具体上网搜索  -->
      <tx:annotation-driven  transaction-manager="transactionManager"/>

 <!--      扫描注解bean -->
      <context:component-scan base-package="cn.us.aspect"/>

 <!--      开启切面代理 使得spring认识 @Aspect -->
      <aop:aspectj-autoproxy/>

      <!-- 事务管理器 -->
     <bean id="transactionManager"
         class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
         <property name="dataSource" ref="dataSource" />
     </bean>  

     <!-- 数据源 -->
     <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
         <property name="driverClassName" value="com.mysql.jdbc.Driver"></property>
         <property name="url" value="jdbc:mysql://localhost/usersystem?characterEncoding=utf-8"></property>
         <property name="username" value="root"></property>
         <property name="password" value="123456"></property>
     </bean>

     <bean id="sqlsessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean" >
         <property name="configLocation" value="classpath:sqlMapConfig.xml"></property>
         <property name="dataSource" ref="dataSource"></property>
     </bean>

 </beans>