``` /*检测是否关注公众号*/ /*subscribe 用户是否订阅该公众号标识，值为0时，代表此用户没有关注该公众号，拉取不到其余信息。*/ /*https://www.cnblogs.com/mracale/p/9318349.html*/ public function checkisgz(){ $request = request(); $callback = $request->url(true);//微信服务器回调url，这里是本页url $appid = config('appid'); $secret = config('secret'); //微信网页授权获取openid $web_url=$callback; if (!isset($_GET['code'])) { $redirect_uri=urlencode($web_url); $url='https://open.weixin.qq.com/connect/oauth2/authorize?appid='.$appid.'&redirect_uri='.$redirect_uri.'&response_type=code&scope=snsapi_base&state=1#wechat_redirect'; header("location:$url");exit(); } $code=trim($_GET['code']); $url='https://api.weixin.qq.com/sns/oauth2/access_token?appid='.$appid.'&secret='.$secret.'&code='.$code.'&grant_type=authorization_code'; $access=file_get_contents($url); $data=json_decode($access,true); $access_token=$data['access_token']; $url='https://api.weixin.qq.com/sns/userinfo?access_token='.$access_token.'&openid=OPENID&lang=zh_CN'; $user=file_get_contents($url); $arr=json_decode($user,true); //获取用户的openid $openid=$arr['openid']; $url="https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=".$appid."&secret=".$secret; $access=file_get_contents($url); $access_arr=json_decode($access,true); //非网页的access_token $access_token=$access_arr['access_token']; $url="https://api.weixin.qq.com/cgi-bin/user/info?access_token=".$access_token."&openid=".$openid."&lang=zh_CN"; $res=file_get_contents($url); $res=json_decode($res,true); // var_dump($res); return $res['subscribe']; } ```