code: function getQueryParam(query){
      let param = {};
      let kvs = query.split('&');
      kvs.forEach(kv => {
          let ary = kv.split('=');
          ary.length == 2 && (param[ary[0]] = ary[1]);
      });
      return param;
  }
docs: 浏览器本地打开