1 package cn.us.service.impl; 2  3 import java.util.List; 4 import java.util.UUID; 5  6 import javax.annotation.Resource; 7  8 import org.springframework.beans.factory.annotation.Autowired; 9 import org.springframework.beans.factory.annotation.Qualifier;10 import org.springframework.stereotype.Service;11 import org.springframework.transaction.annotation.Propagation;12 import org.springframework.transaction.annotation.Transactional;13 14 import cn.us.dao.IUserDao;15 import cn.us.dao.impl.UserDaoImpl;16 import cn.us.domain.User;17 import cn.us.service.IUserService;18 @Service(value="http://www.mamicode.com/userService")19 //@Transactional(propagation=Propagation.SUPPORTS,readOnly=true)20 21 public class UserServiceImpl implements IUserService {22 23     //@Resource(name="userDao")24     @Autowired25     @Qualifier(value="http://www.mamicode.com/userDao")26     private IUserDao userDao;27     28     public User getOne(String uid) {29         return userDao.getOne(uid);30     }31     //这个方法不需要通知32 //    @Transactional(propagation = Propagation.NOT_SUPPORTED)33     public List<User> getAllUsers() {34         return userDao.getAllUsers();35     }36 37     public boolean isExistenceUser(User user) {38         return userDao.isExistenceUser(user);39     }40     41     @Transactional(readOnly = false, propagation=Propagation.REQUIRED)42     public User addUser(User user) {43         user.setUid(UUID.randomUUID().toString());44         userDao.addUser(user);45         return user;46     }47 }

 1 <?xml version="1.0" encoding="UTF-8"?> 2 <beans xmlns="http://www.springframework.org/schema/beans" 3     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 4     xmlns:context="http://www.springframework.org/schema/context" 5     xmlns:aop="http://www.springframework.org/schema/aop" 6     xmlns:tx="http://www.springframework.org/schema/tx" 7     xsi:schemaLocation="http://www.springframework.org/schema/beans  8                          http://www.springframework.org/schema/beans/spring-beans-3.0.xsd 9                          http://www.springframework.org/schema/context10                          http://www.springframework.org/schema/context/spring-context-3.0.xsd11                          http://www.springframework.org/schema/tx12                          http://www.springframework.org/schema/tx/spring-tx-3.0.xsd13                          http://www.springframework.org/schema/aop 14                          http://www.springframework.org/schema/aop/spring-aop-3.0.xsd">15 <!--         注册注解配置 -->16       <context:annotation-config/>17      <!--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  -->18      <tx:annotation-driven  transaction-manager="transactionManager"/>19 20      21 <!--      扫描注解bean -->22      <context:component-scan base-package="cn.us.aspect"/>23 24 <!--      开启切面代理 使得spring认识 @Aspect -->25      <aop:aspectj-autoproxy/>26      27      <!-- 事务管理器 -->  28     <bean id="transactionManager"  29         class="org.springframework.jdbc.datasource.DataSourceTransactionManager">  30         <property name="dataSource" ref="dataSource" />  31     </bean>  32 33 34     <!-- 数据源 -->35     <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">36         <property name="driverClassName" value="com.mysql.jdbc.Driver"></property>37         <property name="url" value="jdbc:mysql://localhost/usersystem?characterEncoding=utf-8"></property>38         <property name="username" value="root"></property>39         <property name="password" value="123456"></property>40     </bean>41 42     43     <bean id="sqlsessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean" >44         <property name="configLocation" value="classpath:sqlMapConfig.xml"></property>45         <property name="dataSource" ref="dataSource"></property>46     </bean>47      48 </beans>