1,获取URL的参数,返回一个对象

  getRequest() {            const url = location.search; //获取url中"?"符后的字串      let theRequest = new Object();      if (url.indexOf("?") != -1) {        let str = url.substr(1);       let strs = str.split("&");        for (let i = 0; i < strs.length; i++) {          theRequest[strs[i].split("=")[0]] = unescape(strs[i].split("=")[1]);        }      }      return theRequest;    }