[SSH初学]Struts2.3 web.xml、struts.xml配置

1.需要导入的包：

commons-fileupload-1.2.2、commons-io-2.0.1、commons-lang-2.5、commons-logging-1.1.1、freemarker-2.3.18

ognl-3.0.3、struts2-core-2.3.1.1、xwork-core-2.3.1.1、javassist-3.11.0.ga

2.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" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
	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>SSH</display-name>
	<welcome-file-list>
		<welcome-file>index.jsp</welcome-file>
	</welcome-file-list>

	<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>
</web-app>

3.配置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>
	<!-- 指定struts处于开发阶段可以调试 -->
	<constant name="struts.devMode" value="true" />
	<package name="sshtest" extends="struts-default" namespace="/">
		<action name="add" class="com.robin.action.AddAction">
			<result name="cal">/add_result.jsp</result>
		</action>
	</package>
</struts>

4.图片是工程的结构，本例实现了一个简单的加法运算。需要源码的同学请到我的资源里去下载点击打开链接，里面包括了相应的jar包，