[AS3]klstudio写的一个as3的Cookie类源代码

[AS3]klstudio写的一个as3的Cookie类源代码

代码 
 
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; 
        } 
    } 
}