getRequestParamconst getRequestParam = (href) => {
  href = decodeURI(href?href:window.location.href);
  var url = href.substr(href.indexOf("?")); //获取url中"?"符后的字串
  var theRequest = new Object();
  var strs = '';
  if (url.indexOf("?") != -1) {
    var str = url.substr(1);
    strs = str.split("&");
    for(var i = 0; i < strs.length; i ++) {
      theRequest[strs[i].split("=")[0]] = unescape(strs[i].split("=")[1]);
    }
  }
  return theRequest;
}