获取地址栏信息

getUrlKey(‘favorite_category_id’, window.location.href) //99991 favorite_category_id的值是99991

getUrlKey(name, url) {
  return decodeURIComponent((new RegExp('[?|&]' + name + '=' + '([^&;]+?)(&|#|;|$)').exec(url) || [, ""])[1].replace(/\+/g, '%20')) || null
}