微信公众号授权，常做登录用

微信公众号授权，常做登录用

// 微信公众号授权
    public function WxAhref(){
        $appid="wx9999999999999";
        $redirect_uri="https://z.fuls.top/login/WxgetUser";
        $url="https://open.weixin.qq.com/connect/oauth2/authorize?appid=$appid&redirect_uri=$redirect_uri&response_type=code&scope=snsapi_userinfo&state=STATE#wechat_redirect";
         return redirect($url);
   
    }
    // 获取微信公众号用户的openid
    public function WxgetUser(){
        //file_get_contents("http://le.fuls.top/log/w?title=微信授权信息->跳转返回&data=".json_encode(    input('param.')       )  );
         $appid="wx9999999999999";
         $code=input('code');
         $secret="9999999";
        $url="https://api.weixin.qq.com/sns/oauth2/access_token?appid=$appid&secret=$secret&code=$code&grant_type=authorization_code";
        $res=json_decode(file_get_contents($url),true);
         //file_get_contents("http://le.fuls.top/log/w?title=微信授权信息->再次请求返回&data=".json_encode(     $res     )  );
   
        //获取用户信息
        $ak=$res['access_token'];
        $openid=$res['openid'];
        $url="https://api.weixin.qq.com/sns/userinfo?access_token=$ak&openid=$openid&lang=zh_CN";
           $res=json_decode(file_get_contents($url),true);
         //file_get_contents("http://le.fuls.top/log/w?title=微信授权信息->授权用户信息&data=".json_encode(     $res     )  );
   
        $is=Db::name("wxgzh_user")->where("openid",$res['openid'])->find();
        if($is){
            return "不可重复绑定";
        }
        Db::name("wxgzh_user")->insert([
            'openid'=>$res['openid'],
            'nickname'=>filter_Emoji($res['nickname']),
            'headimgurl'=>$res['headimgurl'],
            'type'=>0,
            'status'=>1,
            'addtime'=>time()
            ]);
        return "绑定成功";
   
    }