function http(params,cb) {

    //return new Promise(function(resolve,reject){
      $.ajax({
        url: "http://127.0.0.1:3300"+params.url,
        type: params.type,
        data: params.data,
        success: function(res) {
          cb(res.result)
        }
      })
    //})
  }


  function GetQueryString(name) {
    var reg = new RegExp("(^|&)"+ name +"=([^&]*)(&|$)");
    var r = window.location.search.substr(1).match(reg);
    if(r!=null) return  unescape(r[2]); return null;
  }