//写cookie
function kkk(objvalue) {
    var str = 'xx' + "=" + escape(objvalue); //编码
    // if (objhours > 0) {//为0时不设定过期时间，浏览器关闭时cookie自动消失
    //     var date = new date();
    //     var ms = objhours * 3600 * 1000;
    //     date.settime(date.gettime() + ms);
    //     str += "; expires=" + date.togmtstring();
    // }
    document.cookie = str;
}
function qkkk(key)
{
    localstorage.getitem('xx') //取出缓存
}