J路漫

走上這條路不是我的錯，但是走下來我就錯了。

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2009年11月 (10)

簡單的登陸界面

index.jsp

<%@page language="java" contentType=" text/html; charset=GBK"%>

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

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>

<head>

<title>struts2.demo1</title>

</head>

<body>

<s:form action="login">

<s:textfield name="username"/>

<s:password name="password"/>

<s:submit />

</s:form>

</body>

</html>

welcome.jsp

<%@page language="java" contentType=" text/html; charset=GBK"%>

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

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>

<head><title>struts2.demo1</title></head>

<body>

歡迎您,<s:property value="username"/>

</body>

</html>

fail.jsp

<%@page language="java" contentType=" text/html; charset=GBK"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>

<head>

<title>struts2.demo1</title>

</head>

<body>

登錄失敗。

</body>

</html>

LoginAction.java

package com.ming;

import com.opensymphony.xwork2.ActionContext;

import com.opensymphony.xwork2.ActionSupport;

public class LoginAction extends ActionSupport {

/**

*

*/

private static final long serialVersionUID = 765268466764775594L;

private String username;

private String password;

private String tip;

public String getTip() {

return tip;

}

public void setTip(String tip) {

this.tip = tip;

}

public String getUsername() {

return username;

}

public void setUsername(String username) {

this.username = username;

}

public String getPassword() {

return password;

}

public void setPassword(String password) {

this.password = password;

}

public String execute() throws Exception {

ActionContext ctx=ActionContext.getContext();

Integer counter=(Integer) ctx.getApplication().get("counter");

if(counter==null){

counter=1;

}else{

counter=counter+1;

}

ctx.getApplication().put("counter", counter);

ctx.getSession().put("user", getUsername());

if(getUsername().equals("ming")&&getPassword().equals("123456")){

setTip("歡迎您,"+getUsername());

return SUCCESS;

}else{

return ERROR;

}

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">

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

</action>

</package>

</struts>

web.xml

<?xml version="1.0" encoding="UTF-8"?>

<web-app id="WebApp_9" version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">

<display-name>Struts Blank</display-name>

<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.html</welcome-file>

</welcome-file-list>

</web-app>

posted on 2009-11-05 00:05 南朝閱讀(136) 評論(0) 編輯收藏所屬分類: Struts2

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