<?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="mldn" namespace="/" extends="struts-default">
<action name="hello" class="struts2.demo.HelloAction">
<result name="success">/Hello.jsp</result>
<result name="error">/error.jsp</result>
</action>
</package>
</struts>
对应的Action类:
import com.opensymphony.xwork2.ActionSupport;
public class HelloAction extends ActionSupport {
private String msg;
public String getMsg() {
return msg;
}
public void setMsg(String msg) {
this.msg = msg;
}
@Override
public String execute() throws Exception {
// TODO Auto-generated method stub
if(msg.equals("你好"))
return ActionSupport.SUCCESS;
else
return ActionSupport.ERROR;
}
}
jsp文件:
<%@ page language="java" contentType="text/html; charset=UTF-8"%>
<html>
<head>
<title>My JSP 'index.jsp' starting page</title>
</head>
<body>
<form action="hello.action" method="post">
<input name="msg" type="text">
<input type="submit" value="确定">
</form>
</body>
</html>
另外有两个JSP文件:hello.jsp和error.jsp
hello.jsp取到属性值:<s:property value="msg"/>
本文介绍了一个使用Struts2框架的简单示例,包括配置文件、Action类及JSP页面的实现过程。通过一个简单的表单提交案例,展示了Struts2如何处理请求并返回相应的视图。
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