https://developers.weixin.qq.com/doc/oplatform/Website_App/WeChat_Login/Authorized_Interface_Calling_UnionID.html 请求参数 https://api.weixin.qq.com/sns/oauth2/access_token?appid=wx7d0f0a3e5aa6c37e&secret=081u4B100Igb5T1z3X0001yKim4u4B1I&code=081u4B100Igb5T1z3X0001yKim4u4B1I&grant_type=authorization_c ode 响应参数 {errcode":40125,"errmsg":"invalid appsecret, rid: 671b7e98-66500b87-75f4200d"}