struts2使用
1、struts.xml

<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE struts PUBLIC          "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"          "http://struts.apache.org/dtds/struts-2.0.dtd"><struts><!--配置struts2的默认拦截后缀，使只有以*.action结尾的才被struts2处理  --><constant name="struts.action.extension" value="action" /> </struts>

<!-- 配置struts2 --><filter>    <filter-name>Struts2</filter-name>    <filter-class>         org.apache.struts2.dispatcher.FilterDispatcher    </filter-class></filter><filter-mapping><filter-name>Struts2</filter-name>    <url-pattern>/*</url-pattern></filter-mapping>