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>