用户扫描带参数的二维码,微信回调之后,开发者如何验证回调数据的合法性网友回复Mr.YAO:通过验签和解密流程的推送消息均为合法消息。高山流水:https://developers.weixin.qq.com/doc/offiaccount/Message_Management/Receiving_event_pushes.html