<?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/j2ee" xmlns:javaee="http://java.sun.com/xml/ns/javaee"
xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"
id="WebApp_ID" version="2.4">

<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:application-context.xml</param-value>
</context-param>
<!-- spring的监听器 -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>

<!-- springmvc 配置 前台-->
<servlet>
<servlet-name>front</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:springmvc-front.xml</param-value>
</init-param>
</servlet>

<servlet-mapping>
<servlet-name>front</servlet-name>
<url-pattern>*.shtml</url-pattern>
</servlet-mapping>
<!-- springmvc 配置 后台-->
<servlet>
<servlet-name>back</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:springmvc-back.xml</param-value>
</init-param>
</servlet>

<servlet-mapping>
<servlet-name>back</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>

</web-app>

web.xml参考