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struts2第一个HelloWorld项目

2012-08-11 17:20 344 查看
基本项目文件框架如下:



对于需要的jar包,可以直接在Struts2.zip包下面的lib包里面拷贝,但是有些jar包却没有,可以直接在Struts2.zip下app文件夹下解压struts2-blank.war(可以修改后缀名为.zip or .rar 进行解压)

struts.xml

<!DOCTYPE struts PUBLIC

"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"

"http://struts.apache.org/dtds/struts-2.0.dtd">

<struts>

<package name="default" extends="struts-default">

<action name="hello" class="test.struts2.sun.HelloWorld">

<result name="success">HelloWorld.jsp</result>

<!-- <result name="tutorial" type="redirect">/tutorial/test.action</result>-->

<!-- <result name="tutorial2" type="redirectAction">/tutorial/test.action</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">

<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>

<welcome-file-list>

<welcome-file>index.jsp</welcome-file>

</welcome-file-list>

</web-app>

HelloWorld.java

package test.struts2.sun;

import com.opensymphony.xwork2.ActionSupport;

public class HelloWorld extends ActionSupport{

private String message;

private String userName;

public HelloWorld(){}

@Override

public String execute() throws Exception {

//return super.execute();

setMessage("Hello "+getUserName());

return "success";

}

public String getMessage() {

return message;

}

public void setMessage(String message) {

this.message = message;

}

public String getUserName() {

return userName;

}

public void setUserName(String userName) {

this.userName = userName;

}

}

index.jsp

<html>

<head>

<title>My JSP 'index.jsp' starting page</title>

</head>

<body>

<s:form action="hello">

<s:textfield name="userName" label="User Name"> </s:textfield>

<s:submit value="提交"></s:submit>

</s:form>

</body>

</html>

HelloWorld.jsp

<%@ page language="java" import="java.util.*" pageEncoding="ISO-8859-1"%>

<%@taglib uri="/struts-tags" prefix="s" %>

<html>

<head>

<base href="<%=basePath%>">

<title>My JSP 'HelloWorld.jsp' starting page</title>

<meta http-equiv="pragma" content="no-cache">

<meta http-equiv="cache-control" content="no-cache">

<meta http-equiv="expires" content="0">

<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">

<meta http-equiv="description" content="This is my page">

<!--

<link rel="stylesheet" type="text/css" href="styles.css">

-->

</head>

<body>

<h1>

<s:property value="message"/>

</h1>

</body>

</html>
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