<?php
header("Content-type: text/html; charset=utf-8");
class get_code_openid{
    /**
     * 获取code值
     * */
    public function get_code($act = "get_code"){
        if(!isset($_GET['code'])){
            $appid = "wx0fedaa9a564c2877";
            $urls = urlencode('http://xsfr.mgtvshop.com/get_code_openid.php?act='.$act);
            $url = "https://open.weixin.qq.com/connect/oauth2/authorize?appid=".$appid."&redirect_uri=".$urls."&response_type=code&scope=snsapi_base&state=STATE#wechat_redirect";
            header("location:".$url);
        }else{
            //这里获取到code
            file_put_contents('./Runtime/code.json',json_encode(['code' => $_GET['code']]));
        }
    }

    /**
     * 获取微信登录用户信息
     * */
    function getOpenID($appid,$appsecret,$code){
        $url="https://api.weixin.qq.com/sns/oauth2/access_token?appid=".$appid."&secret=".$appsecret."&code=".$code."&grant_type=authorization_code";
        $weixin=file_get_contents($url);//通过code换取网页授权access_token
        $jsondecode=json_decode($weixin); //对JSON格式的字符串进行编码
        $user_info = get_object_vars($jsondecode);//转换成数组
        return json_encode($user_info);
    }

    /**
     * 通过code获取openid
     * */
    public function get_openId(){
        $this->get_code('get_openId');
        $data = file_get_contents('./Runtime/code.json');
        $code_info = json_decode($data,true);

        $appid = "wx0fedaa9a564c2877";
        $appsecret = "f21d29c42141104d9a5aa1ce1bdf4204";
        $code = $code_info['code'];

        $result = $this->getOpenID($appid,$appsecret,$code);
        $info = json_decode($result,true);

        $access_token_info = file_get_contents('./Runtime/access_token.json');
        $access_token = json_decode($access_token_info);
        $access_token = $access_token->access_token->access_token;

        $url = "https://api.weixin.qq.com/cgi-bin/user/info?access_token=".$access_token."&openid=".$info['openid'];
        $user_info = file_get_contents($url);
        echo $user_info;
    }
    /**
     * 获取用户基本信息
     * */
    public function get_userinfo(){
        $this->get_openId();
        $data = file_get_contents('./Runtime/result.json');
        file_put_contents('./Runtime/data_test.txt',$data);exit;
        echo $data;exit;
        $data = json_decode($data,true);
        var_dump($data);exit;

        $url = "https://api.weixin.qq.com/cgi-bin/user/info?access_token=".$data['access_token']."&openid=".$data['openid'];
        $user_info = file_get_contents($url);
        echo $user_info;
    }
}
if(!isset($_GET['act'])){
    echo "act不能为空";
}else{
    $act = $_GET['act'];
    $obj = new get_code_openid();
    $obj->$act();
}
?>