var?Custom_localStorage={
	//添加緩存時(shí)間：7天	
	set:function(key,value,days){	
	????var?item={			
	????????data:value,			
	????????endTime:new?Date().getTime()+days*24*3600*1000		
	????}		
	????localStorage.setItem(key,JSON.stringify(item));	
	},	
	get:function(key){		
	????var?val=localStorage.getItem(key);		
	????if(!val){			
	????????return?null;		
	????}		
	????val=JSON.parse(val);		
	????if(new?Date().getTime()>val.endTime){		
	????	val=null;			
	????	localStorage.removeItem(key);		
	????}		
	????return?val.data;	
	},	
	remove:function(key){		
	????localStorage.removeItem(key);		
	????return?null;	
	},	
	removeAll:function(){		
	????localStorage.clear();		
	????return?null;	
	}
};