#html 封装cookie 可直接调用！

//Author：庞jx
//创建cookie
    function setCookie(key,val,time) {
        var date=new Date();
        date.setDate(date.getDate()+time);
        document.cookie=key+'='+val+';expires'+date;
    }
//获取cookie
    function getCookie(key){
        var cookies=document.cookie;
        var arr=cookies.split('; ');
        for(var i of arr){
            var array=i.split('=');
            if(array[0]==key){
                return array[1];
            }
        }
    }
//删除cookie
    function removeCookie(key){
        this.setCookie(key,'',-1);
    }