基于Cairngorm框架调用Java的Flex登陆案例

最新推荐文章于 2017-03-18 21:18:47 发布

原创最新推荐文章于 2017-03-18 21:18:47 发布 · 147 阅读

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本文详细介绍了用户登录案例的源代码实现，包括服务接口、代理类及MXML界面设计，展示了如何通过远程调用实现登录功能。

[color=green]附件:TestLogin.rar (2.5 MB)为此案例的源代码[/color]

[img]http://dl.iteye.com/upload/picture/pic/117091/7d061676-c792-3d83-8f7b-a2713a38fce8.png[/img]

package com.demo.service;

public class UserService {

	public String login(String username, String password) {

		if (username.equals("admin") && password.equals("123456")) {

			return "success";
		} else {

			return "error";
		}
	}
}

package com.user.service
{
	import com.adobe.cairngorm.business.ServiceLocator;
	import mx.rpc.IResponder;
	public class UserProxy
	{
		private var responder:IResponder;
		private var service:Object;
		public function UserProxy(responder:IResponder)
		{
			//获取远程对象
			this.service=ServiceLocator.getInstance().getRemoteObject("UserService");
			this.responder=responder;
		}
		public function login(username:String,password:String):void
		{
			//调用方法
			var call:Object=this.service.login(username,password);
			call.addResponder(responder);
		}
	}
}

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.core.FlexGlobals;
	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;

			FlexGlobals.topLevelApplication.mainContainer.removeElement(Application.application.loginPanel);

			FlexGlobals.topLevelApplication.main_.message_label.text=message;


		}

		public function fault(info:Object):void
		{
			Alert.show("Fail Error ");
		}
	}
}

<?xml version="1.0" encoding="utf-8"?>
<s:Panel xmlns:fx="http://ns.adobe.com/mxml/2009"
		 xmlns:s="library://ns.adobe.com/flex/spark"
		 xmlns:mx="library://ns.adobe.com/flex/mx"
		 xmlns:service="com.user.service.*"
		 xmlns:controller="com.user.controller.*"
		 width="294" height="220" focusColor="#70B2EE">

	<fx:Script>
		<![CDATA[
			import com.user.event.UserEvent;

			import com.adobe.cairngorm.control.CairngormEventDispatcher;

			protected function loginButton_clickHandler(event:MouseEvent):void
			{
				// TODO Auto-generated method stub
				var userEvent:UserEvent=new UserEvent();
				userEvent.username=username_text.text;
				userEvent.password=password_text.text;
				CairngormEventDispatcher.getInstance().dispatchEvent(userEvent);
			}
		]]>
	</fx:Script>

	<fx:Declarations>
		<!-- 将非可视元素（例如服务、值对象）放在此处 -->
	</fx:Declarations>
	<s:TextInput id="username_text" x="120" y="45" text="admin"/>
	<s:TextInput id="password_text" x="120" y="91" text="123456"/>
	<s:Button x="192" y="146" width="80" height="25" label="登陆" chromeColor="#3475B1"
			  click="loginButton_clickHandler(event)" color="#FFFFFF"/>
	<s:Label x="63" y="52" text="用户名"/>
	<s:Label x="63" y="97" text="密码"/>
</s:Panel>

<?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"
			   xmlns:ns1="*"
			   xmlns:service="com.user.service.*"
			   xmlns:controller="com.user.controller.*"
			   minWidth="955" minHeight="600">
	<fx:Declarations>
		<!-- 将非可视元素（例如服务、值对象）放在此处 -->
		<service:UserServiceLocator/>
		<controller:UserController/>
	</fx:Declarations>
	<s:BorderContainer id="mainContainer" width="100%" height="100%">
	<ns1:main id="main_"/>
	<s:Panel id="loginPanel" x="0" y="0" width="100%" height="100%">
		<s:layout>
			<s:VerticalLayout horizontalAlign="center" paddingTop="150"/>
		</s:layout>
		<ns1:login_Com x="323" y="152">
		</ns1:login_Com>
	</s:Panel>
	</s:BorderContainer>
</s:Application>