我模拟了一个更新和添加操作，添加一个主键重复的用户。按理说添加失败，更新就要回滚。但是事务无法回滚。网上找了好多资料，大部分都是说扫描包时applicationContext.xml和spring-mvc.xml,中包不要重复扫描，排除spring-mvc.xml扫描的Service。但是我怎么改，事务依旧无法回滚，希望大哥们帮帮我这个新手。代码如下
applicationContext.xml
<?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:mvc="http://www.springframework.org/schema/mvc"
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">
<context:annotation-config/>
<context:component-scan base-package="com.ali.zyh">
<context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
</context:component-scan>
<bean id="placeholderConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="locations">
<list>
<value>classpath:properties/jdbc.properties</value>
</list>
</property>
</bean>
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
<property name="url" value="${url}"/>
<property name="username" value="${username}"/>
<property name="password" value="${password}"/>
<property name="driverClassName" value="${driverClass}"/>
</bean>
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource"/>
<property name="mapperLocations" value="classpath:mapping/*.xml"/>
</bean>
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.ali.zyh.dao"/>
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
</bean>
<bean name="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"/>
</bean>
<tx:advice id="txAdvice" transaction-manager="transactionManager">
<tx:attributes>
<tx:method name="add*" propagation="REQUIRED" read-only="false" />
<tx:method name="delete*" propagation="REQUIRED" read-only="false" />
<tx:method name="update*" propagation="REQUIRED" read-only="false" />
<tx:method name="save*" propagation="REQUIRED" read-only="false" rollback-for="java.lang.Exception"/>
</tx:attributes>
</tx:advice>
<tx:annotation-driven transaction-manager="transactionManager"/>
<aop:config>
<aop:pointcut id="pc" expression="execution(* com.ali.zyh.service.*.*(..))"/>
<aop:advisor advice-ref="txAdvice" pointcut-ref="pc"/>
</aop:config>
</beans>
spring-mvc.xml
<?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:mvc="http://www.springframework.org/schema/mvc" 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/mvc http://www.springframework.org/schema/mvc/spring-mvc.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">
<context:annotation-config/>
<context:component-scan base-package="com.ali.zyh" >
<context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
<context:exclude-filter type="annotation" expression="org.springframework.stereotype.Service"/>
</context:component-scan>
<mvc:annotation-driven />
<!--避免IE执行AJAX时，返回JSON出现下载文件 -->
<bean id="mappingJacksonHttpMessageConverter"
class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
<property name="supportedMediaTypes">
<list>
<value>text/html;charset=UTF-8</value>
</list>
</property>
</bean>
<mvc:annotation-driven>
<mvc:message-converters register-defaults="true">
<bean class="com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter">
<property name="supportedMediaTypes">
<list>
<value>text/html;charset=UTF-8</value>
<value>application/json</value>
</list>
</property>
<property name="features">
<list>
<value>WriteMapNullValue</value>
<value>QuoteFieldNames</value>
</list>
</property>
</bean>
</mvc:message-converters>
</mvc:annotation-driven>
<!-- 启动SpringMVC的注解功能，完成请求和注解POJO的映射（适配器） -->
<bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter">
<property name="messageConverters">
<list>
<bean class="com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter">
<property name="supportedMediaTypes">
<list>
<value>application/json;charset=UTF-8</value>
<value>text/plain;charset=UTF-8</value>
</list>
</property>
</bean>
</list>
</property>
</bean>
<!-- 定义跳转的文件的前后缀 ，视图模式配置 （视图渲染器）-->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/webapp/jsp"/>
<property name="suffix" value=".jsp"/>
</bean>
<!-- 文件上传配置 -->
<bean class="org.springframework.web.multipart.commons.CommonsMultipartResolver" id="multipartResolver">
<!--默认编码-->
<property name="defaultEncoding" value="UTF-8"/>
<!--上传文件的大小限制-->
<property name="maxUploadSize" value="32505856"/>
<!--内存中的最大值-->
<property name="maxInMemorySize" value="4096"/>
</bean>
</beans>
web.xml
<web-app>
<display-name>zyh</display-name>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:/spring/applicationContext.xml</param-value>
</context-param>
<context-param>
<param-name>log4jConfigLocation</param-name>
<param-value>classpath:/properties/log4j.properties</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.util.Log4jConfigListener</listener-class>
</listener>
<servlet>
<servlet-name>SpringMvc</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<!--contextConfigLocation配置springMvc的配置文件（也就是适配器，映射器）-->
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring/spring-mvc.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>SpringMvc</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
Service层代码
@Service
public class UsersService {
@Autowired
UsersDao usersDao;
public void addUsers(Users users) {
usersDao.addUsers(users);
}
public void deleteUsers(String id) {
usersDao.deleteUsers(id);
}
public void updateUsers(Users users) {
usersDao.updateUsers(users);
}
public Users getUsers(String id) {
return usersDao.getUsers(id);
}
}
Controller代码
@ResponseBody
@RequestMapping(value = "/getOrders",method = RequestMethod.GET)
public Object getOrders(String user_id){
Users u = usersService.getUsers(user_id);
u.setUsername("aaa");
Users users = new Users();
users.setId("2222");
users.setUsername("事务大哥我错了");
users.setPassword("1111111123");
usersService.updateUsers(u);
usersService.addUsers(users);
return Msg.OK();
}
