用的是spring mvc和mybatis框架。数据库是mysql。然后发现事务配置了不起作用。。业务逻辑是新增用户，用户新增成功之后再在其他表插入一条对应的用户角色关联信息。现在问题是假如用户插入成功之后。。插入对应的用户角色关联信息出错后，用户那条新增记录不能自动删除。看了很多人说是因为@service提前扫描的问题。那个我改过了。还有说是表的引擎不是InnoDB。但是我们建的表是InnoDB。还有说要抛出RuntimeException。我也抛出了。。但是还是没用。没办法。请大家看下：
-serlet.xml:
[code="xml"]
<context:annotation-config />
<mvc:annotation-driven />
<!-- ①：对web包中的所有类进行扫描，以完成Bean创建和自动依赖注入的功能 -->
<context:component-scan base-package="com.xuanyan.uebuycar.*">
<context:include-filter type="annotation" expression="org.springframework.stereotype.Controller" />
<context:exclude-filter type="annotation" expression="org.springframework.stereotype.Service" />
</context:component-scan>
<bean class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping"/>
<!-- ②：启动Spring MVC的注解功能，完成请求和注解POJO的映射 -->
<bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
<property name="cacheSeconds" value="0" />
<property name="webBindingInitializer">
<bean class="com.xuanyan.uebuycar.admin.util.WebDataBinder4DateAndTime"/>
</property>
</bean>
<!-- ③：对模型视图名称的解析，即在模型视图名称添加前后缀 -->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"
p:prefix="/" p:suffix=".html"/>
<bean id="messageSource" class="org.springframework.context.support.ResourceBundleMessageSource" p:basename="i18n/messages"/>
[/code]
applicationContext.xml:
[code="xml"]
<bean class="com.xuanyan.uebuycar.admin.util.SpringContextHolder" lazy-init="false" />
<!-- define the SqlSessionFactory -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="proxool" />
<property name="configLocation" value="classpath:mybatis-config.xml" />
</bean>
<!-- 数据连接事务 -->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="proxool" />
</bean>
<!-- 不扫描带有@Controller注解的类。因为这些类已经随容器启动时，在servlet-context中扫描过一遍了 -->
<context:component-scan base-package="com.xuanyan.uebuycar">
<context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
</context:component-scan>
<!-- 激活annotation功能 -->
<context:annotation-config />
<!-- 激活annotation功能 -->
<context:spring-configured/>
<!-- mybatis接口 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.xuanyan.uebuycar.admin.dao" />
</bean>
<!-- 连接事务的注解配置 -->
<tx:annotation-driven transaction-manager="transactionManager" />
<aop:config proxy-target-class="true">
<aop:pointcut id="fooServiceOperation"
expression="execution(* com.xuanyan.uebuycar.admin.service..*.*(..))" />
<aop:advisor advice-ref="txAdvice" pointcut-ref="fooServiceOperation" />
</aop:config>
<tx:advice id="txAdvice" transaction-manager="transactionManager">
<!-- the transactional semantics... -->
<tx:attributes>
<tx:method name="add*" propagation="REQUIRED" rollback-for="java.lang.Exception" />
<tx:method name="delete*" propagation="REQUIRED" rollback-for="java.lang.Exception"/>
<tx:method name="update*" propagation="REQUIRED" rollback-for="java.lang.Exception"/>
</tx:attributes>
</tx:advice>
[/code]
方法：
[code="java"]
public String addOrUpdate(SysUser record,SysUser currUser,String actionType,String roleId){
String str=getDefJsonString(false, "操作失败，请稍后再试！");
try {
if(record!=null){
Date now=new Date();
SysUserExample example=new SysUserExample();
example.createCriteria().andUserCodeEqualTo(record.getUserCode());
List list=sysUserMapper.selectByExample(example);
if("add".equalsIgnoreCase(actionType)){
if(list!=null&&list.size()>0){
str=getDefJsonString(false, "操作失败，该账号已存在！");
return str;
}
String userId=CommonUtil.getUUIDString();
record.setUserId(userId);
record.setUserPassword(CommonUtil.getMD5Str(SystemCommonParam.DEFAULT_USER_PWD));
record.setUpdateUser(currUser.getUserCode());
record.setUpdateTime(now);
if(sysUserMapper.insertSelective(record)>0){
SysRoleUser ru=new SysRoleUser();
// ru.setRoleUserId(CommonUtil.getUUIDString());
ru.setRoleId(roleId);
ru.setUserId(userId);
ru.setUpdateUser(currUser.getUserCode());
ru.setUpdateTime(now);
if(sysRoleUserMapper.insertSelective(ru)>0){
str=getDefJsonString(true, "新增成功！");
}
}
}else if("edit".equalsIgnoreCase(actionType)){
if(list!=null&&list.size()>0){
if(!list.get(0).getUserId().equals(record.getUserId())){
str=getDefJsonString(false, "操作失败，该账号已存在！");
return str;
}
}
record.setUpdateUser(currUser.getUserCode());
record.setUpdateTime(now);
if(sysUserMapper.updateByPrimaryKeySelective(record)>0){
SysRoleUser ru=new SysRoleUser();
ru.setRoleId(roleId);
SysRoleUserExample ex=new SysRoleUserExample();
ex.createCriteria().andUserIdEqualTo(record.getUserId());
if(sysRoleUserMapper.updateByExampleSelective(ru, ex)>0){
str=getDefJsonString(true, "修改成功！");
}
}
}
}
} catch (Exception e) {
str=getDefErrorString();
e.printStackTrace();
throw new RuntimeException();
}
return str;
}
[/code]
类路径：com.xuanyan.uebuycar.admin.services.sys.SysUserService
希望各位有知道能够告知一下。。是不是我service方法写的不对？
