1.添加相應的jar
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commons-fileupload-x.y.z.jar
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commons-io-x.y.z.jar
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commons-lang-x.y.jar
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commons-logging-x.y.z.jar
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commons-logging-api-x.y.jar
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freemarker-x.y.z.jar
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javassist-.xy.z.GA
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ognl-x.y.z.jar
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struts2-core-x.y.z.jar
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xwork-core.x.y.z.jar
<?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>struts2</display-name>
<filter>
<filter-name>struts</filter-name> //過濾器名稱
<filter-class>
org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>struts</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<welcome-file-list>
<welcome-file>result.jsp</welcome-file>
</welcome-file-list>
</web-app><?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
"http://struts.apache.org/dtds/struts-2.3.dtd">
<struts>
<package name="default" namespace="/" extends="struts-default"> //都爲默認的 namespac="/" 這邊爲顯示的爲最後面/ 例如http://localhost:8080/struts2/
<action name="hellowrod" class="com.action.helloword"> //這邊的name 爲訪問時的名稱
<result>/result.jsp</result>// 返回的JSP頁面爲
<result name="add">/add.jsp</result>
</action>
</package>
</struts>package com.action;
import com.opensymphony.xwork2.ActionSupport;
public class hellowrod extends ActionSupport{ //繼承ActionSupprot類
@Override
public String execute() throws Exception {
System.out.println("hello wrod"); //測試打印
return SUCCESS; //這邊默認反悔SUCCESS 也可以直接放回.XML文件裏面定義的name名字
}
public String add(){
return "add";
}
public String updata(){
return "updata";
}
}
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
this is result;
</body>
</html>
通過hellowrod.action 訪問
也可以不用action都可以訪問的到