https://open.weixin.qq.com/connect/oauth2/authorize?appid=wxf0e81c3bee622d60&redirect_uri=http%3A%2F%2Fnba.bluewebgame.com%2Foauth_response.php&response_type=code&scope=snsapi_userinfo&state=STATE#wechat_redirect 文档地址： https://developers.weixin.qq.com/doc/offiaccount/OA_Web_Apps/Wechat_webpage_authorization.html#0