struts2的package介绍及helloworld应用
HelloWorld.java:
package blog.action;
public class HelloWorld {
private String msg;
public String getMessage() {
return msg;
}
public String execute(){
msg = "This is my first struts2 application!!!";
return "success";
}
}
HelloWorld.jsp:
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<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>
${message }
</body>
</html>
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>
<package name="blog" namespace="/greeting" extends="struts-default">
<action name="helloworld" class="blog.action.HelloWorld" method="execute">
<result name="success">/WEB-INF/page/HelloWorld.jsp</result>
</action>
</package>
</struts>
