public function http_curl($url){

                $ch = curl_init();

                curl_setopt($ch,CURLOPT_URL,$url);

                curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);

                $output = curl_exec($ch);

                curl_close($ch);

                return json_decode($output,true);

             }

//获取用户的openID

    public function getBaseInfo(){

        //1.获取到code

        $appid="wxfbd13d9aff8a913a";

        $redirect_uri=urlencode("119.23.239.149/home/Login/getUserOpenId");

        $url="https://open.weixin.qq.com/connect/oauth2/authorize?appid=".$appid."&redirect_uri=".$redirect_uri."&response_type=code&scope=snsapi_base&state=123#wechat_redirect";

header("Location:$url");    

}

    public function getUserOpenId(){

        //2.获取到网页授权的access_token

        $appid="wxfbd13d9aff8a913a";

$code=input(code);

        $appsecret="09d05919edad8d9cea72902bd91073de";

  $url="https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=$appid&secret=$appsecret";

        $res=$this->http_curl($url);

        //3.拉取用户的OPENDid

    }