[AS3]Cookie类

发布:kinglong | 发布时间: 2008年4月16日

/** * @link http://www.klstudio.com * @author Kinglong * @playerversion flash player 9 * @asversion 3.0 * @version 0.5 */ package com.klstudio.util { 	 	import flash.net.SharedObject;	 	public class Cookie { 		 		private var _time:uint; 		private var _name:String; 		private var _so:SharedObject; 		 		public function Cookie(name:String = "klstudio", timeOut:uint=3600) { 			_name = name; 			_time = timeOut; 			_so = SharedObject.getLocal(name, "/"); 		} 		 		//清楚超时内容; 		public function clearTimeOut():void { 			var obj:* = _so.data.cookie; 			if(obj == undefined){ 				return; 			} 			for(var key in obj){ 				if(obj[key] == undefined || obj[key].time == undefined || isTimeOut(obj[key].time)){ 					delete obj[key]; 				} 			} 			_so.data.cookie = obj; 			_so.flush(); 		} 		 		private function isTimeOut(time:uint):Boolean { 			var today:Date = new Date();		 			return time + _time * 1000 < today.getTime(); 		} 		 		//获取超时值; 		public function getTimeOut():uint { 			return _time; 		} 		 		//获取名称; 		public function getName():String { 			return _name; 		} 		 		//清除Cookie所有值; 		public function clear():void { 			_so.clear(); 		} 		 		//添加Cookie值 		public function put(key:String, value:*):void { 			var today:Date = new Date(); 			key = "key_"+key; 			value.time = today.getTime(); 			if(_so.data.cookie == undefined){ 				var obj:Object = {}; 				obj[key] = value; 				_so.data.cookie = obj; 			}else{ 				_so.data.cookie[key] = value; 			} 			_so.flush(); 		} 		 		 		//删除Cookie值; 		public function remove(key:String):void { 			if (contains(key)) { 				delete _so.data.cookie["key_" + key]; 				_so.flush(); 			} 		} 		 		//获取Cookie值; 		public function get(key:String):Object{		 			return contains(key)?_so.data.cookie["key_"+key]:null; 		} 		 		//Cookie值是否存在; 		public function contains(key:String):Boolean{ 			key = "key_" + key;	 			return _so.data.cookie != undefined && _so.data.cookie[key] != undefined; 		} 	} }

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