<%@page contentType="text/html" pageEncoding="UTF-8"%>
<%
request.setAttribute("base", request.getContextPath());
%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>登录界面</title>
<link rel="stylesheet" type="text/css" href="${base}/ext/resources/css/ext-all.css" />
<script type="text/javascript" src="${base}/ext/ext-base.js"></script>
<script type="text/javascript" src="${base}/ext/ext-all.js"></script>
<script type="text/javascript" src="${base}/ext/ext-lang-zh_CN.js"></script><!--中文映射-->
<script type="text/javascript">
function Login(){
//登录面板对象
var loginPanel=new Ext.form.FormPanel({
id:"loginPanel",labelPad:0,labelWidth:45,frame:true,
items:[
{xtype:"field",id:"userName",fieldLabel:"用户名"},
{xtype:"field",id:"password",fieldLabel:"密 码"}
]
});
var loginWindow;
if(!loginWindow){
loginWindow=new Ext.Window({
id:"loginWindow",
title:"登录窗口",
width:210,
height:127,
resizable:false,//是否允许重新设置大小
closable:false,//是否允许关闭
items:
[
loginPanel
],
buttons:
[
{xtype:"button",text:"确定",handler:validatorData},
{xtype:"button",text:"取消",handler:function(){
loginWindow.hide();//隐藏窗体
}}
]
});
}
loginWindow.show();
document.body.onkeydown=function(){
loginWindow.show();
};
//连接数据库
function validatorData(){
var userName=Ext.getCmp("userName").getValue();//根据id获取对象的值
var password=Ext.getCmp("password").getValue();
if(Ext.util.Format.trim(userName)=="" || Ext.util.Format.trim(password)==""){
Ext.Msg.alert("警告","请正确输入数据，用户名和密码都不能为空!");
}
Ext.Ajax.request({
url:"login.action",//请求地址
params:{ParamUserName:userName,ParamPassword:password},//发送的参数
success:function(response,option){
var obj=Ext.decode(response.responseText);//将返回json字符串信息转为对象
if(obj.success==true)//判断返回的对象的属性是否为true
{
Ext.Msg.alert("好消息","登录成功");
//清除输入框
Ext.getCmp("userName").setValue("");
Ext.getCmp("password").setValue("");
loginWindow.hide();
}
else{
Ext.Msg.alert("坏消息","坏消息：你登陆失败了！");
}
},
failure:function(){
Ext.Msg.alert("坏消息","坏消息：你登陆出现异常了！");
}
})
}
//显示登录窗口
var btnShow=new Ext.Button({
renderTo:"btn",text:"显示登录窗口",handler:function(){
loginWindow.show();
}
})
}
Ext.onReady(Login) ;//参数为定义的函数,onReady是程序的入口
</script>
</head>
<body>
<div id="btn" style=" text-align: center;padding-top: 300px; vertical-align: middle;">
</div>
</body>
</html>
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package com.cn.controler;
import com.opensymphony.xwork2.ActionSupport;
import java.io.PrintWriter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts2.ServletActionContext;
/**
*
* @author Administrator
*/
public class LoginAction extends ActionSupport {
@Override
public String execute() throws Exception {
HttpServletRequest request = ServletActionContext.getRequest();
HttpServletResponse response = ServletActionContext.getResponse();
String userName = request.getParameter("ParamUserName");
String password = request.getParameter("ParamPassword");
//判断不为空
if ((!("").equals(userName) || userName != "") && (!("").equals(password) || password != "")) {
if ("abc".equals(userName) && "abc".equals(password)) {
PrintWriter out = response.getWriter();
out.write("{success:true}");
} else {
PrintWriter out = response.getWriter();
out.write("{success:false}");
}
}
else{
PrintWriter out = response.getWriter();
out.write("{success:false}");
}
return null;
}
}
<?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>
<!--<constant name="struts.action.extension" value="do" />--><!--将后缀改为.do的方式请求-->
<constant name="struts.devMode" value="true" />
<constant name="struts.enable.DynamicMethodInvocation" value="false" />
<!-- <include file="mailreader-default.xml"/>
<include file="mailreader-support.xml"/>-->
<package name="struts2" namespace="/" extends="struts-default">
<action name="hello" class="com.cn.controler.HelloWorldAction" method="execute">
<result name="success">/hello.jsp</result>
</action>
<action name="login" class="com.cn.controler.LoginAction"></action>
</package>
</struts>
