Flex 登陆案例

<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
			   xmlns:s="library://ns.adobe.com/flex/spark"
			   xmlns:mx="library://ns.adobe.com/flex/mx"
			   minWidth="955" minHeight="600" creationComplete="init()">
	
	<fx:Script>
		<![CDATA[
			
			import mx.containers.Panel;
			import mx.events.CloseEvent;
			import mx.controls.Alert;
			var verCode:String;
			var card_number:String;
			protected function init():void{
				verCode=Math.round(Math.random()*10000)+"";
				verifyCode.text=verCode;
			}
			protected function button1_clickHandler(event:MouseEvent):void
			{
				// TODO Auto-generated method stub
				var userCode:String=uCode.text;
				if(userCode==verCode){
					card_number=card_num.text;
					moPanel.title=moPanel.title+"          "+card_number;
					loginPanel.removeAllElements();
					moPanel.removeElementAt(1);
					mainPanel.enabled=true;
					
					return;
				}else{
					Alert.show("验证失败！");
					init();
				}
				
				
			}
			protected function titlewindow1_closeHandler(event:CloseEvent):void
			{
				// TODO Auto-generated method stub
				loginPanel.removeAllElements();
			}
		]]>
	</fx:Script>
	
	<fx:Declarations>
		<!-- 将非可视元素（例如服务、值对象）放在此处 -->
	</fx:Declarations>
	<s:Panel id="moPanel" x="0" y="0" width="100%" height="100%" title="XMercury System 1.0.0">
	
	<s:Panel id="mainPanel" x="0" y="0" width="100%" height="100%" enabled="false">
		<mx:TabNavigator x="0" y="0" width="100%" height="100%">
			<s:NavigatorContent width="100%" height="100%" label="账户信息">
			</s:NavigatorContent>
			<s:NavigatorContent width="100%" height="100%" label="网上充值">
			</s:NavigatorContent>
		</mx:TabNavigator>
	</s:Panel>
	<s:BorderContainer id="loginPanel" x="0" y="0" width="100%" height="100%" backgroundAlpha="0.1"
					   backgroundColor="#D4D4D4" borderAlpha="0.73" borderVisible="false">
		<s:layout>
			<s:VerticalLayout horizontalAlign="center" paddingTop="150"/>
		</s:layout>
		<s:TitleWindow width="250" height="200" backgroundColor="#EFEFEF"
					   close="titlewindow1_closeHandler(event)" enabled="true" title="会员登陆">
			<s:Button x="162" y="132" label="登陆" click="button1_clickHandler(event)"
					  focusColor="#70B2EE"/>
			<s:TextInput id="card_num" x="80" y="21"/>
			<s:TextInput x="80" y="58" displayAsPassword="true"/>
			<s:Label x="30" y="27" text="卡号"/>
			<s:Label x="30" y="64" text="密码"/>
			<s:Label x="30" y="102" text="验证"/>
			<s:TextInput id="uCode" x="80" y="94" width="60"/>
			<s:Label id="verifyCode" x="163" y="99" backgroundColor="#70B2EE" color="#155693"
					 fontSize="16" text="0000"/>
		</s:TitleWindow>
	</s:BorderContainer>
		</s:Panel>
</s:Application>

package com.user.command
{
	import com.adobe.cairngorm.commands.ICommand;
	import com.adobe.cairngorm.control.CairngormEvent;
	import com.user.event.UserEvent;
	import com.user.service.UserProxy;
	
	import mx.collections.ArrayCollection;
	import mx.controls.Alert;
	import mx.core.Application;
	import mx.rpc.IResponder;  
	
	public class UserCommand implements ICommand, IResponder
	{
		public function UserCommand()
		{
		}
		
		//执行调用
		public function execute(event:CairngormEvent):void
		{
			var userEvent:UserEvent=UserEvent(event);
			var userService:UserProxy=new UserProxy(this);
			userService.login(userEvent.username,userEvent.password);
		}
		
		//更新模型
		public function result(data:Object):void
		{
			var message:String=data.result as String;
									
			Application.application.mainContainer.removeElement(Application.application.loginPanel);
			
			Application.application.main_.message_label.text=message;
			
		}
		
		public function fault(info:Object):void
		{
			Alert.show("Fail Error ");
		}
	}
}