【原创】flex自动关闭弹窗

package com.csharper.utils
{
    import flash.display.Sprite;
    import flash.events.TimerEvent;
    import flash.utils.Timer;
    
    import mx.controls.Alert;
    import mx.core.IFlexModuleFactory;
    import mx.events.CloseEvent;
    import mx.managers.PopUpManager;
    
    /**
     * @Description: 自动关闭弹窗
     * @author csharper
     * @date 2014-04-10  上午10:00:06
     */
    public class FlashAlert 
    {
        private var alrt:Alert;   
        private var alrtTimer:Timer;   
        private var text:String;
        private var title:String;
        private var flags:uint;
        private var parent:Sprite;
        private var time:Number;
        
        public function FlashAlert(text:String="", title:String="", flags:uint=4, parent:Sprite=null,time:Number=1000)
        {
         this.text=text;
         this.title=title;
         this.flags=flags;
         this.parent=parent;
         this.time=time;
         
         this.init();
        }
        
        private function init():void {   
            alrtTimer = new Timer(time, 1);   
            alrtTimer.addEventListener(TimerEvent.TIMER_COMPLETE, removeAlert);   
        }   
        
        public function showAlert():void {   
            alrt = Alert.show(text, title, flags, parent, alrt_close);   
            alrtTimer.reset();   
            alrtTimer.start();   
        }   
        
        private function alrt_close(evt:CloseEvent):void {   
            alrtTimer.stop();  
        }   
        
        private function removeAlert(evt:TimerEvent):void {   
            PopUpManager.removePopUp(alrt);   
        } 
    }
}

测试代码如下:

var alert:FlashAlert=new FlashAlert("请输入关键字","提示",Alert.OK, this);
alert.showAlert();