最少所需jar包
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>
<!--
<constant name="struts.enable.DynamicMethodInvocation" value="false"
/> <constant name="struts.devMode" value="false" /> <package
name="default" namespace="/" extends="struts-default">
<default-action-ref name="index" /> <global-results> <result
name="error">/error.jsp</result> </global-results>
<global-exception-mappings> <exception-mapping
exception="java.lang.Exception" result="error"/>
</global-exception-mappings> <action name="index"> <result
type="redirectAction"> <param name="actionName">HelloWorld</param>
<param name="namespace">/example</param> </result> </action>
</package> <include file="example.xml"/>
-->
<package name="registration" namespace="/" extends="struts-default">
<action name="u" class="u">
<result name="success">/registerSuccess.jsp</result>
<result name="fail">/registerFail.jsp</result>
<result name="list">/userlist.jsp</result>
<result name="load">/user.jsp</result>
</action>
</package>
</struts>
web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
<display-name>User registration</display-name>
<!-- 把session的关闭延迟到jsp页面显示之后,在配在struts2上面。 -->
<filter>
<filter-name>OpenSessionInView</filter-name>
<filter-class>org.springframework.orm.hibernate3.support.OpenSessionInViewFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>OpenSessionInView</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- 使用spring过滤器解决中文乱码问题 -->
<filter>
<filter-name>encodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>GBK</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- 使用struts2必须有的配置 -->
<filter>
<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- spring 与 struts2 整合时需要的配置 ,实现在action中依赖注入功能-->
<context-param>
<param-name>contextConfigLocation</param-name>
<!-- <param-value>/WEB-INF/daoContext.xml /WEB-INF/applicationContext.xml</param-value>-->
<param-value>classpath:beans.xml</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
</web-app>