调用的api是获取不限制的小程序码

https://developers.weixin.qq.com/miniprogram/dev/OpenApiDoc/qrcode-link/qr-code/getUnlimitedQRCode.html

接口返回比较慢，基本在5秒以上

{"scene": "wdjkasjdwsd", 

"page": "pages/auth-login/index", 

"width": 430, 

"auto_color": True,

"is_hyaline": False}