AS3 Cookie类

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;
        }
    }
}