applicationContext-dao.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:mvc="http://www.springframework.org/schema/mvc"
       xmlns:p="http://www.springframework.org/schema/p"
       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-3.2.xsd
            http://www.springframework.org/schema/context 
            http://www.springframework.org/schema/context/spring-context-3.2.xsd
            http://www.springframework.org/schema/aop 
            http://www.springframework.org/schema/aop/spring-aop-3.2.xsd
            http://www.springframework.org/schema/tx 
            http://www.springframework.org/schema/tx/spring-tx-3.2.xsd
            http://www.springframework.org/schema/mvc 
            http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd">
    <!-- 加载db.properties文件中的内容 中的key要有一定的规则 -->
    <context:property-placeholder location="classpath:db.properties"/>
    <!-- 配置数据源 -->
    <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
        <property name="driver" value="${jdbc.driver}"/>
        <property name="url" value="${jdbc.url}"/>
        <property name="username" value="${jdbc.username}"/>
        <property name="password" value="${jdbc.password}"/>
        <property name="maxActive" value="30"/>
        <property name="maxIdle" value="5"/>
    </bean>
    <!-- 配置SqlSessionFactory -->    
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <!-- 加载数据库连接池 -->
        <property name="dataSource" ref="dataSource"></property>
        <!-- 加载mybatis全局配置文件 -->
        <property name="configLocation" value="classpath:mybatis/SqlMapConfig.xml"></property>
    </bean>
    <!-- 配置mapper扫描器 -->  
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <!-- 扫描包路径，如果需要扫描多个，中间使用半角的逗号隔开 -->
        <property name="basePackage" value="com.mybatis.mapper"></property>
        <property name="SqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
    </bean>   
 </beans>

applicationContext-service.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:mvc="http://www.springframework.org/schema/mvc"
       xmlns:p="http://www.springframework.org/schema/p"
       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-3.2.xsd
            http://www.springframework.org/schema/context 
            http://www.springframework.org/schema/context/spring-context-3.2.xsd
            http://www.springframework.org/schema/aop 
            http://www.springframework.org/schema/aop/spring-aop-3.2.xsd
            http://www.springframework.org/schema/tx 
            http://www.springframework.org/schema/tx/spring-tx-3.2.xsd
            http://www.springframework.org/schema/mvc 
            http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd">
    <!-- 商品管理的service -->
    <bean id="itemsService" class="com.mybatis.service.impl.ItemsServiceImpl"></bean>
</beans>

applicationContext-transaction.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:mvc="http://www.springframework.org/schema/mvc"
       xmlns:p="http://www.springframework.org/schema/p"
       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-3.2.xsd
            http://www.springframework.org/schema/context 
            http://www.springframework.org/schema/context/spring-context-3.2.xsd
            http://www.springframework.org/schema/aop 
            http://www.springframework.org/schema/aop/spring-aop-3.2.xsd
            http://www.springframework.org/schema/tx 
            http://www.springframework.org/schema/tx/spring-tx-3.2.xsd
            http://www.springframework.org/schema/mvc 
            http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd">
    <!-- 事务管理器  -->
    <!-- 对mybatis操作数据库事务控制 spring使用jdbc的事务控制类 -->
    <bean id="transactionManager" class="DataSourceTransactionManager">
    <!-- dataSource在 applicationContext-dao.xml中配置了-->
        <property name="dataSource" ref="dataSource"></property>
    </bean>
    <!-- 通知 -->
    <!-- transaction-manager 表示把这通知给谁  transactionManager就是上面的事务管理器的id-->
    <tx:advice id="txAdvice" transaction-manager="transactionManager">
        <tx:attributes>
        <!-- 传播行为 -->
            <tx:method name="save*" propagation="REQUIRED"/>
            <tx:method name="delete*" propagation="REQUIRED"/>
            <tx:method name="insert*" propagation="REQUIRED"/>
            <tx:method name="update*" propagation="REQUIRED"/>
            <tx:method name="find*" propagation="SUPPORTS" read-only="true"/>
            <tx:method name="get*" propagation="SUPPORTS" read-only="true"/>
            <tx:method name="select*" propagation="SUPPORTS" read-only="true"/>
        </tx:attributes>
    </tx:advice>
    <!-- aop 通知是有aop来调用  -->
    <aop:config>
    <!-- pointcut 表示aop的切点  -->
    <!-- execution(* com.mybatis.service.impl.*.*(..)) 表示要切com.mybatis.service.impl这个包下面的所有类的所有方法 -->
        <aop:advisor advice-ref="txAdvice" pointcut="execution(* com.mybatis.service.impl.*.*(..))"/>
    </aop:config>
</beans>

 SpringMvc.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:mvc="http://www.springframework.org/schema/mvc"
       xmlns:p="http://www.springframework.org/schema/p"
       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-3.2.xsd
            http://www.springframework.org/schema/context 
            http://www.springframework.org/schema/context/spring-context-3.2.xsd
            http://www.springframework.org/schema/aop 
            http://www.springframework.org/schema/aop/spring-aop-3.2.xsd
            http://www.springframework.org/schema/tx 
            http://www.springframework.org/schema/tx/spring-tx-3.2.xsd
            http://www.springframework.org/schema/mvc 
            http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd">
            
    <!--Spring组件扫描器
            注解的处理器可以单个配置  但是我们可以使用spring框架的组件扫描的方式来配置
    base-package:需要扫描哪个包下面的处理器
     -->     
    <context:component-scan base-package="com.mybatis.controller"></context:component-scan>
    <!-- 可代替上面注解的处理器和处理器适配器的配置 建议使用 -->
    <mvc:annotation-driven></mvc:annotation-driven>
    <!-- 视图解析器 -->
    <!-- 解析jsp 默认使用jstl标签 classpath下得有jstl包 -->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <!-- 配置jsp路径的前缀 -->
        <property name="prefix" value="/WEB-INF/jsp/"></property>
        <property name="suffix" value=".jsp"></property>
    </bean>
</beans>

 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" id="WebApp_ID" version="3.0">
  <display-name>mybatis</display-name>
  <!-- springmvc前端控制器 -->
  <servlet>
      <servlet-name>mybatis</servlet-name>
      <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
      <!-- 通过contextConfigLocation来配置springmvc加载的配置文件（处理器映射器、处理器适配器等等） -->
      <!-- 如果不配置 contextConfigLocation 默认加载的是/WEB-INF/servler名称-servlet.xml(springmvc-servlet.xml)-->
      <init-param>
          <param-name>contextConfigLocation</param-name>
          <param-value>classpath:SpringMvc.xml</param-value>
      </init-param>
  </servlet>
  <servlet-mapping>
      <servlet-name>mybatis</servlet-name>
      <!-- 第一种 *.action：访问以.action结尾的由DispatcherServlet进行解析 -->
      <!-- 第二种/ ：所有由DispatcherServlet进行解析 需要配置静态文件不被解析 使用此种可以实现RESTFul分割的url -->
      <!-- 第三种/* ：这样配置不对，最终要转发到一个jsp页面时，仍然会由DispatcherServlet解析jsp地址 ，不能根据jsp页面找到handler 会报错-->
      <url-pattern>*.action</url-pattern>
  </servlet-mapping>
  <welcome-file-list>
    <welcome-file>index.html</welcome-file>
    <welcome-file>index.htm</welcome-file>
    <welcome-file>index.jsp</welcome-file>
    <welcome-file>default.html</welcome-file>
    <welcome-file>default.htm</welcome-file>
    <welcome-file>default.jsp</welcome-file>
  </welcome-file-list>
</web-app>

 全部配置好之后 还需要在web.xml中加载applicationContext-*.xml(spring的配置文件)文件 包括（applicationContext-dao.xml,applicationContext-transaction.xml事务管理,applicationContext-service.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" id="WebApp_ID" version="3.0">
  <display-name>mybatis</display-name>
  <!-- 加载spring的配置文件 -->
  <context-param>
      <param-name>contextConfigLocation</param-name>
      <param-value>/WEB-INF/classes/spring/applicationContext-*.xml</param-value>
  </context-param>
  <listener>
      <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>
  <!-- springmvc前端控制器 -->
  <servlet>
      <servlet-name>mybatis</servlet-name>
      <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
      <!-- 通过contextConfigLocation来配置springmvc加载的配置文件（处理器映射器、处理器适配器等等） -->
      <!-- 如果不配置 contextConfigLocation 默认加载的是/WEB-INF/servler名称-servlet.xml(springmvc-servlet.xml)-->
      <init-param>
          <param-name>contextConfigLocation</param-name>
          <param-value>classpath:spring/springmvc-cfg.xml</param-value>
      </init-param>
  </servlet>
  <servlet-mapping>
      <servlet-name>mybatis</servlet-name>
      <!-- 第一种 *.action：访问以.action结尾的由DispatcherServlet进行解析 -->
      <!-- 第二种/ ：所有由DispatcherServlet进行解析 需要配置静态文件不被解析 使用此种可以实现RESTFul分割的url -->
      <!-- 第三种/* ：这样配置不对，最终要转发到一个jsp页面时，仍然会由DispatcherServlet解析jsp地址 ，不能根据jsp页面找到handler 会报错-->
      <url-pattern>*.action</url-pattern>
  </servlet-mapping>
  <welcome-file-list>
    <welcome-file>index.html</welcome-file>
    <welcome-file>index.htm</welcome-file>
    <welcome-file>index.jsp</welcome-file>
    <welcome-file>default.html</welcome-file>
    <welcome-file>default.htm</welcome-file>
    <welcome-file>default.jsp</welcome-file>
  </welcome-file-list>
</web-app>