Maven+SpringMVC+MyBatis的环境搭建(二)

上一篇我们把项目建好并解决了一些错误，有兴趣的可以去看看Maven+SpringMVC+MyBatis的环境搭建(一)，这一篇来整合框架：在上一篇中有一个错误是因为没有引入相关jar导致的，所以我们先在pom.xml中将所需要的jar全部配置完成：

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"> <modelVersion>4.0.0</modelVersion>
<groupId>org.scme.zh</groupId>
<artifactId>Maven</artifactId>
<packaging>war</packaging>
<version>0.0.1-SNAPSHOT</version>
<name>Maven Maven Webapp</name>
<url>http://maven.apache.org</url>

<properties>
<!-- spring版本号 -->
<spring.version>4.0.2.RELEASE</spring.version>
<!-- mybatis版本号 -->
<mybatis.version>3.2.6</mybatis.version>
<!-- log4j日志文件管理包版本 -->
<slf4j.version>1.7.7</slf4j.version>
<log4j.version>1.2.17</log4j.version>
</properties>

<dependencies>

<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<!-- 表示开发的时候引入，发布的时候不会加载此包 -->
<scope>test</scope>
</dependency>

<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>1.5.4</version>
</dependency>

<!-- 导入java ee jar 包 -->
<dependency>
<groupId>javax</groupId>
<artifactId>javaee-api</artifactId>
<version>7.0</version>
</dependency>

<!-- spring核心包 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${spring.version}</version>
</dependency>

<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-oxm</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>${spring.version}</version>
</dependency>

<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>${spring.version}</version>
</dependency>

<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aop</artifactId>
<version>${spring.version}</version>
</dependency>

<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
<version>${spring.version}</version>
</dependency>

<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring.version}</version>
</dependency>
<!-- mybatis核心包 -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>${mybatis.version}</version>
</dependency>
<!-- mybatis/spring包 -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.2.2</version>
</dependency>
<!-- 导入java ee jar 包 -->
<dependency>
<groupId>javax</groupId>
<artifactId>javaee-api</artifactId>
<version>7.0</version>
</dependency>
<!-- 导入Mysql数据库链接jar包 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.30</version>
</dependency>
<!-- 导入dbcp的jar包，用来在applicationContext.xml中配置数据库 -->
<dependency>
<groupId>commons-dbcp</groupId>
<artifactId>commons-dbcp</artifactId>
<version>1.2.2</version>
</dependency>
<!-- JSTL标签类 -->
<dependency>
<groupId>jstl</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<!-- 日志文件管理包 -->
<!-- log start -->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>${log4j.version}</version>
</dependency>

<!-- 格式化对象，方便输出日志 -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.1.41</version>
</dependency>

<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>${slf4j.version}</version>
</dependency>

<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>${slf4j.version}</version>
</dependency>
<!-- log end -->
<!-- 映入JSON -->
<dependency>
<groupId>org.codehaus.jackson</groupId>
<artifactId>jackson-mapper-asl</artifactId>
<version>1.9.13</version>
</dependency>
<!-- 上传组件包 -->
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.3.1</version>
</dependency>
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.4</version>
</dependency>
<dependency>
<groupId>commons-codec</groupId>
<artifactId>commons-codec</artifactId>
<version>1.9</version>
</dependency>

<dependency>
<groupId>org.mybatis.generator</groupId>
<artifactId>mybatis-generator-core</artifactId>
<version>1.3.2</version>
</dependency>

</dependencies>
<build>
<finalName>Maven</finalName>

<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>2.3.2</version>
<configuration>
<source>1.7</source>
<target>1.7</target>
</configuration>
</plugin>
</plugins>
</build>
</project>

基本都有注释， 应该都能看懂，网络不好的可以需要稍微等一会儿！然后项目-->右键-->update Project再选中自己的项目，红框的地方勾上，点击OK，这样项目就没有错了；接下来整合Spring，在src/main/resources/下新建spring-mvc.xml文件

<?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:p="http://www.springframework.org/schema/p"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd"> <!-- 自动扫描该包，使SpringMVC认为包下用了@controller注解的类是控制器 -->
<context:component-scan base-package="org.scme.zh" >

<!-- 这一步是为了防止 事务管理无效 -->

<context:include-filter type="annotation"
expression="org.springframework.stereotype.Controller" />
<context:exclude-filter type="annotation"
expression="org.springframework.stereotype.Service" />
</context:component-scan>
<!--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.MappingJacksonHttpMessageConverter">
<property name="supportedMediaTypes">
<list>
<value>text/html;charset=UTF-8</value>
</list>
</property>
</bean>
<!-- 启动SpringMVC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="messageConverters">
<list>
<ref bean="mappingJacksonHttpMessageConverter" /> <!-- JSON转换器 -->
</list>
</property>
</bean>
<!-- 定义跳转的文件的前后缀 ，视图模式配置-->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<!-- 这里的配置我的理解是自动给后面action的方法return的字符串加上前缀和后缀，变成一个 可用的url地址 -->
<property name="prefix" value="/WEB-INF/jsp/" />
<property name="suffix" value=".jsp" />
</bean>

<!-- 配置文件上传，如果没有使用文件上传可以不用配置，当然如果不配，那么配置文件中也不必引入上传组件包 -->
<bean id="multipartResolver"
class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<!-- 默认编码 -->
<property name="defaultEncoding" value="utf-8" />
<!-- 文件大小最大值 -->
<property name="maxUploadSize" value="10485760000" />
<!-- 内存中的最大值 -->
<property name="maxInMemorySize" value="40960" />
</bean>

</beans>

文中的部分数据看自己需要修改，例如包名、跳转的位置等；然后再src/main/resources下新建spring-mybatis.xml文件

<?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:p="http://www.springframework.org/schema/p"
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-3.1.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.1.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.1.xsd"> <!-- 自动扫描 -->
<context:component-scan base-package="org.scme.zh">
<context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller" />
</context:component-scan>
<!-- 引入配置文件 -->
<bean id="propertyConfigurer"
class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="location" value="classpath:jdbc.properties" />
</bean>

<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"
destroy-method="close">
<property name="driverClassName" value="${driver}" />
<property name="url" value="${url}" />
<property name="username" value="${username}" />
<property name="password" value="${password}" />
<!-- 初始化连接大小 -->
<property name="initialSize" value="${initialSize}"></property>
<!-- 连接池最大数量 -->
<property name="maxActive" value="${maxActive}"></property>
<!-- 连接池最大空闲 -->
<property name="maxIdle" value="${maxIdle}"></property>
<!-- 连接池最小空闲 -->
<property name="minIdle" value="${minIdle}"></property>
<!-- 获取连接最大等待时间 -->
<property name="maxWait" value="${maxWait}"></property>
</bean>

<!-- spring和MyBatis完美整合，不需要mybatis的配置映射文件 -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<!-- 自动扫描mapping.xml文件 -->
<property name="mapperLocations" value="classpath:org/scme/zh/mapping/*.xml"></property>
</bean>

<!-- DAO接口所在包名，Spring会自动查找其下的类 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="org.scme.zh" />
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
</bean>

<!-- (事务管理)transaction manager, use JtaTransactionManager for global tx -->
<bean id="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="save*" propagation="REQUIRED"
rollback-for="Exception" />
<tx:method name="add*" propagation="REQUIRED" rollback-for="Exception" />
<tx:method name="create*" propagation="REQUIRED"
rollback-for="Exception" />
<tx:method name="insert*" propagation="REQUIRED"
rollback-for="Exception" />
<tx:method name="update*" propagation="REQUIRED"
rollback-for="Exception" />
<tx:method name="merge*" propagation="REQUIRED"
rollback-for="Exception" />
<tx:method name="del*" propagation="REQUIRED" rollback-for="Exception" />
<tx:method name="remove*" propagation="REQUIRED"
rollback-for="Exception" />
<tx:method name="put*" propagation="REQUIRED" rollback-for="Exception" />
<tx:method name="use*" propagation="REQUIRED" rollback-for="Exception" />
<tx:method name="delete*" propagation="REQUIRED"
rollback-for="Exception" />
<tx:method name="check*" propagation="REQUIRED"
rollback-for="Exception" />
<tx:method name="get*" propagation="REQUIRED" read-only="true" />
<tx:method name="select*" propagation="REQUIRED" read-only="true" />
<tx:method name="find*" propagation="REQUIRED" read-only="true" />
<tx:method name="list*" propagation="REQUIRED" read-only="true" />
<tx:method name="getUser" propagation="REQUIRED" read-only="true" />
<tx:method name="*" read-only="true" />
</tx:attributes>
</tx:advice>

<aop:config expose-proxy="true">
<!-- 只对业务逻辑层实施事务 -->
<!-- execution(* org.scme.*.service.*.*(..)) -->
<aop:pointcut id="txPointcut"
expression="execution(* org.scme.zh.service..*.*(..))" />
<aop:advisor advice-ref="txAdvice" pointcut-ref="txPointcut" />
</aop:config>

</beans>

</pre><pre name="code" class="html">

<pre name="code" class="html">这是我的jdbc.properties文件

driver=com.mysql.jdbc.Driverurl=jdbc:mysql://localhost:3306/testusername=rootpassword=root#定义初始连接数initialSize=0#定义最大连接数maxActive=20#定义最大空闲maxIdle=20#定义最小空闲minIdle=1#定义最长等待时间maxWait=60000

</pre><p></p><p>，接下来就是生成entity,dao,和mapping.xml文件了，在这里我就直接使用mybatis generator，这个插件可以自动生成dao,entity和mapping的映射文件，使用之前需要在pom.xml配置一下插件：</p><p></p><pre name="code" class="html"><plugin><groupId>org.mybatis.generator</groupId><artifactId>mybatis-generator-maven-plugin</artifactId><version>1.3.2</version><configuration><verbose>true</verbose><overwrite>true</overwrite></configuration></plugin>

然后在src/main/resources下新建generatorConfig.xml文件：

<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE generatorConfigurationPUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN""http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd"><generatorConfiguration><!-- 数据库驱动--><classPathEntry  location="D:\server\MavenRepository\maven_jar\mysql\mysql-connector-java\5.1.30\mysql-connector-java-5.1.30.jar"/><context id="DB2Tables"  targetRuntime="MyBatis3"><commentGenerator><property name="suppressDate" value="true"/><!-- 是否去除自动生成的注释 true：是 ： false:否 --><property name="suppressAllComments" value="true"/></commentGenerator><!--数据库链接URL，用户名、密码 --><jdbcConnection driverClass="com.mysql.jdbc.Driver" connectionURL="jdbc:mysql://localhost:3306/test" userId="root" password="root"></jdbcConnection><javaTypeResolver><property name="forceBigDecimals" value="false"/></javaTypeResolver><!-- 生成模型的包名和位置--><javaModelGenerator targetPackage="main.java.org.scme.zh.entity" targetProject="src"><property name="enableSubPackages" value="true"/><property name="trimStrings" value="true"/></javaModelGenerator><!-- 生成映射文件的包名和位置--><sqlMapGenerator targetPackage="main.java.org.scme.zh.mapping" targetProject="src"><property name="enableSubPackages" value="true"/></sqlMapGenerator><!-- 生成DAO的包名和位置--><javaClientGenerator type="XMLMAPPER" targetPackage="main.java.org.scme.zh.dao" targetProject="src"><property name="enableSubPackages" value="true"/></javaClientGenerator><!-- 要生成的表 tableName是数据库中的表名或视图名 domainObjectName是实体类名--><table tableName="t_user" domainObjectName="User" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false"></table></context></generatorConfiguration>

定义好需要存放的包路径，mysql驱动路径，项目-->右键--->run as -->maven build在 goals中输入：mybatis-generator:generate再点击Run即可；如果控制台出现如图所示，那说明生成成功我们可以刷新一下项目，看一下目录结构：接下来我们可以写一个service

package org.scme.zh.service.impl;import javax.annotation.Resource;import org.scme.zh.dao.UserMapper;import org.scme.zh.entity.User;import org.scme.zh.service.IUserService;import org.springframework.stereotype.Service;@Servicepublic class UserSerivceImpl implements IUserService {@Resourceprivate UserMapper userMapper;@Overridepublic int deleteByPrimaryKey(Integer userId) {return this.userMapper.deleteByPrimaryKey(userId);}@Overridepublic int insert(User record) {return this.userMapper.insert(record);}@Overridepublic User selectByPrimaryKey(Integer userId) {return this.userMapper.selectByPrimaryKey(userId);}@Overridepublic int updateByPrimaryKey(User record) {return this.userMapper.updateByPrimaryKey(record);}}

然后写一个单元测试类，在src/test/java中新建一个Test类：

package org.scme;import javax.annotation.Resource;import org.junit.runner.RunWith;import org.scme.zh.entity.User;import org.scme.zh.service.IUserService;import org.springframework.test.context.ContextConfiguration;import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;@RunWith(SpringJUnit4ClassRunner.class)     //表示继承了SpringJUnit4ClassRunner类@ContextConfiguration(locations = {"classpath:spring-mybatis.xml"})public class Test {@Resourceprivate IUserService userServiceImpl;@org.junit.Testpublic void TestSelect(){User user  = this.userServiceImpl.selectByPrimaryKey(3);System.out.println(user);}@org.junit.Testpublic void TestInsert(){User user = new User();user.setUserName("哈哈哈");this.userServiceImpl.insert(user);System.out.println(user);}@org.junit.Testpublic void TestUpdate(){User user  = this.userServiceImpl.selectByPrimaryKey(7);user.setUserName("测试");this.userServiceImpl.updateByPrimaryKey(user);System.out.println(user);}@org.junit.Testpublic void TestDelete(){System.out.println(this.userServiceImpl.deleteByPrimaryKey(6));}}

运行之后如果是这样则说明搭建没有问题的，下面进行controller和jsp页面的搭建

package org.scme.zh.controller;import javax.annotation.Resource;import javax.servlet.http.HttpServletRequest;import org.scme.zh.entity.User;import org.scme.zh.service.IUserService;import org.springframework.stereotype.Controller;import org.springframework.ui.Model;import org.springframework.web.bind.annotation.RequestMapping;@Controller@RequestMapping("/user")public class UserController {@Resourceprivate IUserService userServiceImpl;@RequestMapping("/showUser")public String getUserName(HttpServletRequest request,Model model){String result = "";model.addAttribute("user", this.userServiceImpl.selectByPrimaryKey(1));return "index";}@RequestMapping("/addUser")public String addUser(HttpServletRequest request,Model model){User user = new User();user.setUserName("李四");this.userServiceImpl.insert(user);model.addAttribute("user", user);return "index";}@RequestMapping("/deleteUser")public String deleteUser(HttpServletRequest request,Model model){try {this.userServiceImpl.deleteByPrimaryKey(1);} catch (Exception e) {e.printStackTrace();}return "index";}@RequestMapping("/updateUser")public String updateUser(HttpServletRequest request,Model model){User user = this.userServiceImpl.selectByPrimaryKey(2);user.setUserName("333");this.userServiceImpl.updateByPrimaryKey(user);model.addAttribute("user", user);return "index";}}

JSP页面

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><title>测试</title></head><body>${user.userId}${user.userName}</body></html>

这样就可以使用tomcat运行起来测试了,当然最后别忘了配置web.xml<?xml version="1.0" encoding="UTF-8"?><web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xmlns="http://java.sun.com/xml/ns/javaee"xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" version="3.0"><!-- Spring和mybatis的配置文件 --><context-param><param-name>contextConfigLocation</param-name><param-value>classpath:spring-mybatis.xml</param-value></context-param><!-- 编码过滤器 --><filter><filter-name>encodingFilter</filter-name><filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class><async-supported>true</async-supported><init-param><param-name>encoding</param-name><param-value>UTF-8</param-value></init-param></filter><filter-mapping><filter-name>encodingFilter</filter-name><url-pattern>/*</url-pattern></filter-mapping><!-- Spring监听器 --><listener><listener-class>org.springframework.web.context.ContextLoaderListener</listener-class></listener><!-- 防止Spring内存溢出监听器 --><listener><listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class></listener><!-- Spring MVC servlet --><servlet><servlet-name>SpringMVC</servlet-name><servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class><init-param><param-name>contextConfigLocation</param-name><param-value>classpath:spring-mvc.xml</param-value></init-param><load-on-startup>1</load-on-startup><async-supported>true</async-supported></servlet><servlet-mapping><servlet-name>SpringMVC</servlet-name><!-- 此处可以可以配置成*.do，对应struts的后缀习惯 --><url-pattern>/</url-pattern></servlet-mapping><welcome-file-list><welcome-file>/index.jsp</welcome-file></welcome-file-list></web-app>说明我们的搭建成功了，如果我想起来有什么遗漏，下次再补充，也希望大家提出各自的观点，共同学习！下面总结一下在项目中遇到的问题：1.搭建完项目之后，记得修改java build path -->jre system libbrary -->edit 切换成：workspace default jre，然后点击finsh-->apply，这样maven的目录结构就出来了；2.修改默认web module的版本，创建项目时默认为2.3,我们手动将其修改为3.0，这个可以参看前一篇文章，有详细的描述；3.在使用Junit测试时发现出现了mysql驱动没有找到的问题，最后查看jdbc.properties文件，发现是driver=com.mysql.jdbc.Driver这个后面含有空格，删除即可；4.关于事务的问题：发现在spring-mybatis.xml单纯配置<!-- (事务管理)transaction manager, use JtaTransactionManager for global tx --><bean id="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="save*" propagation="REQUIRED"rollback-for="Exception" /><tx:method name="add*" propagation="REQUIRED" rollback-for="Exception" /><tx:method name="create*" propagation="REQUIRED"rollback-for="Exception" /><tx:method name="insert*" propagation="REQUIRED"rollback-for="Exception" /><tx:method name="update*" propagation="REQUIRED"rollback-for="Exception" /><tx:method name="merge*" propagation="REQUIRED"rollback-for="Exception" /><tx:method name="del*" propagation="REQUIRED" rollback-for="Exception" /><tx:method name="remove*" propagation="REQUIRED"rollback-for="Exception" /><tx:method name="put*" propagation="REQUIRED" rollback-for="Exception" /><tx:method name="use*" propagation="REQUIRED" rollback-for="Exception" /><tx:method name="delete*" propagation="REQUIRED"rollback-for="Exception" /><tx:method name="check*" propagation="REQUIRED"rollback-for="Exception" /><tx:method name="get*" propagation="REQUIRED" read-only="true" /><tx:method name="select*" propagation="REQUIRED" read-only="true" /><tx:method name="find*" propagation="REQUIRED" read-only="true" /><tx:method name="list*" propagation="REQUIRED" read-only="true" /><tx:method name="getUser" propagation="REQUIRED" read-only="true" /><tx:method name="*" read-only="true" /></tx:attributes></tx:advice><aop:config expose-proxy="true"><!-- 只对业务逻辑层实施事务 --><!-- execution(* org.scme.*.service.*.*(..)) --><aop:pointcut id="txPointcut"expression="execution(* org.scme.zh.service..*.*(..))" /><aop:advisor advice-ref="txAdvice" pointcut-ref="txPointcut" /></aop:config>这个无效，还要修改自动扫描包的相关配置文件：spring-mvc.xml，修改前：<!-- 自动扫描该包，使SpringMVC认为包下用了@controller注解的类是控制器 --><context:component-scan base-package="org.scme.zh" />修改后：

 <!-- 自动扫描该包，使SpringMVC认为包下用了@controller注解的类是控制器 --><context:component-scan base-package="org.scme.zh" ><context:include-filter type="annotation"expression="org.springframework.stereotype.Controller" /><context:exclude-filter type="annotation"expression="org.springframework.stereotype.Service" /></context:component-scan>

spring-mybatis.xml，修改前：

<!-- 自动扫描 --><context:component-scan base-package="org.scme.zh"/>

修改后：<!-- 自动扫描 --><context:component-scan base-package="org.scme.zh"><context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller" /></context:component-scan>这样配置后发现事务管理才有效；4.插入数据库的时候配置主键自增，在相应的 *Mapper.xml配置文件修改：<insert id="insert" parameterType="org.scme.zh.entity.User" useGeneratedKeys="true" keyProperty="userId">insert into t_user (user_id, user_name)values (#{userId,jdbcType=INTEGER}, #{userName,jdbcType=VARCHAR})</insert>插入 的相关片段增加：useGeneratedKeys,keyProperty属性即可；