https://open.weixin.qq.com/conne … 851#wechat_redirect
https://open.weixin.qq.com/connect/oauth2/authorize?appid=wx473d4078f39e86d8&redirect_uri=https%3a%2f%2fwechat.fengchuanba.com%2fwechat%2fcodeCallback.html&response_type=code&scope=snsapi_base&state=556709909851-EZIwM3AYjkQoug4uUFlFHwxomdZsekGF_1028710834_11@e556709909851