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AIR-远程登录验证Login Check

今天测试了下AIR的远程登录，其实代码和一般的程序是没有区别的，就是发布成了AIR，所以可以远程登录。
With Flash CS4 we can create AIR application now,this is a simple AIR application to login with AIR APP.
AS Code:

package {
	import flash.display.MovieClip;
	import flash.events.MouseEvent;
	import flash.events.Event;
	import flash.net.*;
	import com.adobe.utils.StringUtil;

	public class Login extends MovieClip {
		public function Login():void {
			initLogin();
		}
		public function initLogin():void {
			txtPwd.displayAsPassword=true;
			btn_login.addEventListener(MouseEvent.CLICK,loginAPP);
		}
		internal function loginAPP(_evt:MouseEvent) {
			txtResult.text="登录中...";
			var uname=StringUtil.trim(txtName.text);
			var upwd=StringUtil.trim(txtPwd.text);
			if(checkInput(uname) && checkInput(upwd)){
				var loader:URLLoader=new URLLoader();
				var loginURL:URLRequest=new URLRequest("login.php");//login check url
				var loginVar:URLVariables=new URLVariables();
				loginVar.uname=uname;
				loginVar.upwd=upwd;
				loginURL.data=loginVar;
				loginURL.method=URLRequestMethod.POST;
				loader.addEventListener(Event.COMPLETE,loginComplete);
				try {
					loader.load(loginURL);
				} catch (error:ArgumentError) {
					trace("参数错误");
				} catch (error:SecurityError) {
					trace("发生安全错误");
				}
			}else{
				txtResult.text="信息输入不完整！";
			}
		}
		internal function checkInput(strInput:String):Boolean{
			if(strInput==""){
				return false;
			}else{
				return true;
			}
		}
		internal function loginComplete(_evt:Event) {
			var rsResult:String=_evt.target.data;
			switch(rsResult){
				case "1000":
					txtResult.text="登录成功";
					break;
				case "1001":
					txtResult.text="密码错误！";
					break;
				case "1002":
					txtResult.text="用户名不存在！";
					break;
			}
		}
	}
}