getUrlParam (name) { //解析url

    var obj = {};

    var url_0=window.location.href;//获取url

    var url;

       if(url_0.indexOf('?')!=-1){

         url = url_0.split('?')[1].split('&');//通过&符分割为数组

       }else{

         console.log('url没有使用?传参');

         return false

       }

    var nameList = [];

    url.forEach(function(item) {//遍历数组

      let tempArr = item.split('=');

      let key = decodeURIComponent(tempArr[0]);

      let val = decodeURIComponent(tempArr[1]);

      obj[key] = val;

      nameList.push(key);

    })

    if (nameList.indexOf(name) == -1) {

      console.log('url没传' + name);

      return false

    } else {

      return obj[name]

    }

  }