https://open.weixin.qq.com/sns/getexpappinfo?appid=&path=packageB/pages/doctorInfo/doctorInfo.html?sid=t7pudtjdp2g6jpcdu4c3m99s65
https://open.weixin.qq.com/sns/getexpappinfo //固定地址
?appid //后面添加自己小程序appid
&path //后面添加路由路径注意添加.html
?sid //参数名sid后面添加对应的值
res.query.sid //参数获取