:)

<?php
namespace app\index\controller;

use app\index\logic\wxBizDataCrypt;
use app\index\model\memodel;
use think\Log;

class Index
{
    public function index()
    {
        return '<style type="text/css">*{ padding: 0; margin: 0; } .think_default_text{ padding: 4px 48px;} a{color:#2E5CD5;cursor: pointer;text-decoration: none} a:hover{text-decoration:underline; } body{ background: #fff; font-family: "Century Gothic","Microsoft yahei"; color: #333;font-size:18px} h1{ font-size: 100px; font-weight: normal; margin-bottom: 12px; } p{ line-height: 1.6em; font-size: 42px }</style><div style="padding: 24px 48px;"> <h1>:)</h1><p> ThinkPHP V5<br/><span style="font-size:30px">这是8116labourunion</span></p><span style="font-size:22px;">[ V5.0 版本由 <a href="http://www.qiniu.com" target="qiniu">七牛云</a> 独家赞助发布 ]</span></div><script type="text/javascript" src="https://tajs.qq.com/stats?sId=9347272" charset="UTF-8"></script><script type="text/javascript" src="https://e.topthink.com/Public/static/client.js"></script><think id="ad_bd568ce7058a1091"></think>';
    }

    public function getOpenid()
    {
        $userinfo = request()->param();
        $code = $userinfo['code'];

        $appid = 'wxcacf6eb6e7478e29';
        $appSecret = '3722c3f95df0569498a0e32ae6e85153';

        $wxUrl = 'https://api.weixin.qq.com/sns/jscode2session?appid=%s&secret=%s&js_code=%s&grant_type=authorization_code';
        $getUrl = sprintf($wxUrl, $appid, $appSecret, $code);

//        echo $getUrl;

        $result = $this->curl_get($getUrl);
        //  echo $result;
        $wxResult = json_decode($result, true);
        if (empty($wxResult)) {
            $res_r['code'] = 200;
            $res_r['errmsg'] = '错误';
            return json($res_r);
        } else {
            $logfail = array_key_exists('errcode', $wxResult);
            if ($logfail) {
                var_dump($wxResult);
                Log::write(json_encode($wxResult));
            } else {
                $openid = $wxResult['openid'];
                // $unionid=null;
                $unionid = '';
                if (array_key_exists('unionid', $wxResult)) {
                    $unionid = $wxResult['unionid'];
                } else {
                    Log::write(json_encode($wxResult));
                }
                $res_r['code'] = 200;
                $res_r['resultData']['openId'] = $openid;
                $res_r['resultData']['openid'] = $openid;
                if (array_key_exists('unionid', $wxResult)) {
                    $res_r['resultData']['unionid'] = $unionid;
                    $t_m = new memodel();
                    $urec = $t_m->getinfobyopenid($openid);
                    if ($urec) {
                        if (!$urec['union_id']) {
                            $t_m->updunionidbyopenid($openid, $unionid);
                        }
                    }
                }

                return json($res_r);
//                   return json($wxResult);
            }
        }
    }

    public function curl_get($url, &$httpCode = 0)
    {
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

        //不做证书校验,部署在linux环境下请改为true
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
        $file_contents = curl_exec($ch);
        $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
        curl_close($ch);
        return $file_contents;
    }

    public function getAccessToken()
    {
        $appid = 'wxcacf6eb6e7478e29';
        $appSecret = '3722c3f95df0569498a0e32ae6e85153';
        $url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=" . $appid . "&secret=" . $appSecret;
        //echo $url;
        $result = $this->curl_get($url);
        //echo $result;
        $wxResult = json_decode($result, true);
        //echo $wxResult['access_token'];
        return $wxResult;
    }
    public function getAccessTokenWCGZH()
    {
        $appid = 'wxc77d58456db8082b'; //服务号
        $appSecret = '456c9c2a328b3bee5001f2326d862916';
        $url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=" . $appid . "&secret=" . $appSecret;
        //echo $url;
        $result = $this->curl_get($url);
        //echo $result;
        $wxResult = json_decode($result, true);
        //echo $wxResult['access_token'];
        return $wxResult;
    }

    //获得二维码
    public function create_qrcode()
    {

        $sharepage = request()->param();

        $qr_path = "./Uploads/";
        if (!file_exists($qr_path . 'user/')) {
            mkdir($qr_path . 'user/', 0700, true); //判断保存目录是否存在，不存在自动生成文件目录
        }
        $filename = 'user/' . time() . '.png';
        $file = $qr_path . $filename;

        $access = $this->getAccessToken(); //json_decode($this->getAccessToken(),true);
        $access_token = $access['access_token'];
        $url = 'https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token=' . $access_token;

        $qrcode = array(
            'scene' => $sharepage['scene'], //二维码所带参数
            'width' => 200,
            'page' => $sharepage['page'], //二维码跳转路径（要已发布小程序）
            'auto_color' => true,
        );

        $result = $this->sendCmd($url, json_encode($qrcode)); //请求微信接口

        $errcode = json_decode($result, true)['errcode'];
        $errmsg = json_decode($result, true)['errmsg'];
        if ($errcode) {
            echo $errcode;
            echo $errmsg;
            //$this->render(0,$errmsg);
        }

        $res = file_put_contents($file, $result); //将微信返回的图片数据流写入文件

        if ($res === false) {
            echo '生成二维码失败';
            // $this->render(0,'生成二维码失败');
        } else {
            $result_qrcode['resultData'] = '127.0.0.1:8094/Uploads/' . $filename;
            $result_qrcode['code'] = '200';
            return json_encode($result_qrcode);
            //$this->return['data'] = $this->config->item('base_url').'/Uploads/'.$filename;//返回图片地址链接给前端
        }
    }
    //开启curl post请求
    public function sendCmd($url, $data)
    {
        $curl = curl_init(); // 启动一个CURL会话
        curl_setopt($curl, CURLOPT_URL, $url); // 要访问的地址
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 0); // 对认证证书来源的检测
        curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 2); // 从证书中检查SSL加密算法是否存在
        curl_setopt($curl, CURLOPT_HTTPHEADER, array('Expect:')); //解决数据包大不能提交
        curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1); // 使用自动跳转
        curl_setopt($curl, CURLOPT_AUTOREFERER, 1); // 自动设置Referer
        curl_setopt($curl, CURLOPT_POST, 1); // 发送一个常规的Post请求
        curl_setopt($curl, CURLOPT_POSTFIELDS, $data); // Post提交的数据包
        curl_setopt($curl, CURLOPT_TIMEOUT, 30); // 设置超时限制防止死循
        curl_setopt($curl, CURLOPT_HEADER, 0); // 显示返回的Header区域内容
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); // 获取的信息以文件流的形式返回

        $tmpInfo = curl_exec($curl); // 执行操作
        if (curl_errno($curl)) {
            echo 'Errno' . curl_error($curl);
        }
        curl_close($curl); // 关键CURL会话
        return $tmpInfo; // 返回数据
    }
    public function getticket()
    {
        $access = $this->getAccessTokenWCGZH();
        $access_token = $access['access_token'];
        $url = 'https://api.weixin.qq.com/cgi-bin/ticket/getticket?type=jsapi&access_token=' . $access_token;
        $result = $this->sendCmd($url, []);
        $result_arr = json_decode($result, true);
        if ('ok' != $result_arr['errmsg']) {
            echo 'error:' . $result_arr['errmsg'];
            exit;
        }
        $ticket = $result_arr['ticket'];
        return $ticket;
    }
//网上代骊，待修改
    public function WxDecode()
    {

        // 接收参数
        $data = request()->param();

        // 引入解密文件 在微信小程序开发文档下载
        // vendor('wx.WXBizDataCrypt');
        //vendor('wx.ErrorCode');
        //
        //        $appid = config('APPID');
        //        $appsecret = config('APPSECREET');
        $appid = 'wxcacf6eb6e7478e29';
        $appsecret = '3722c3f95df0569498a0e32ae6e85153';

        $grant_type = "authorization_code"; //授权（必填）

        $code = $data['code']; //有效期5分钟 登录会话

        $encryptedData = $data['encryptedData'];
        $iv = $data['iv'];
//        $signature = $data['signature'];
        //        $rawData = $data['rawData'];

        // 拼接url
        $url = "https://api.weixin.qq.com/sns/jscode2session?" . "appid=" . $appid . "&secret=" . $appsecret . "&js_code=" . $code . "&grant_type=" . $grant_type;
        $res = json_decode($this->curl_get($url), true);
        // var_dump($res);

        $sessionKey = $res['session_key']; //取出json里对应的值
        //        $signature2 =  sha1(htmlspecialchars_decode($rawData).$sessionKey);
        //        // 验证签名
        //        if ($signature2 !== $signature){
        //            return json("验签失败");
        //        }

        $pc = new wxBizDataCrypt($appid, $sessionKey);

        $errCode = $pc->decryptData($encryptedData, $iv, $data);

        // var_dump($data);
        //这里是按二手设备做的，以后应该单独变成逻辑，由逻辑层完成，以应对不同的需求
        if ($errCode == 0) {
            $result['code'] = 200;
            $resultData['msg'] = '解密成功';
            $resultData['userInfo'] = json_decode($data);
            $result['resultData'] = $resultData;
            echo json_encode($result);
            // exit(json_encode($data,JSON_UNESCAPED_UNICODE));

        } else {
            return json($errCode);
        }
    }

    //获得二维码
    public function download_qrcode()
    {

        $sharepage = request()->param();

        $qr_path = "./Uploads/";
        if (!file_exists($qr_path . 'user/')) {
            mkdir($qr_path . 'user/', 0700, true); //判断保存目录是否存在，不存在自动生成文件目录
        }
        $filename = 'user/' . time() . '.png';
        $file = $qr_path . $filename;

        $access = $this->getAccessToken(); //json_decode($this->getAccessToken(),true);
        $access_token = $access['access_token'];
        $url = 'https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token=' . $access_token;

        $qrcode = array(
            'scene' => $sharepage['scene'], //二维码所带参数
            'width' => 200,
            'page' => $sharepage['page'], //二维码跳转路径（要已发布小程序）
            'auto_color' => true,
        );

        $result = $this->sendCmd($url, json_encode($qrcode)); //请求微信接口

        $errcode = json_decode($result, true)['errcode'];
        $errmsg = json_decode($result, true)['errmsg'];
        if ($errcode) {
            echo $errcode;
            echo $errmsg;
            //$this->render(0,$errmsg);
        }

        $res = file_put_contents($file, $result); //将微信返回的图片数据流写入文件

        $strfile = 'Uploads/' . $filename;
        //echo $strfile;

        $file1 = fopen($strfile, 'r');

        header("Content-Type: application/force-download");
        header("Content-Type: application/octet-stream");
        header("Content-Type: application/download");
        header('Content-Disposition:inline;filename="' . $strfile . '"');

        ob_clean();
        flush();

        echo fread($file1, filesize($file));
        fclose($file1);

        // $result->save('php://output');

        if ($res === false) {
            echo '生成二维码失败';
            // $this->render(0,'生成二维码失败');
        } else {
            $result_qrcode['resultData'] = 'https://app.gasgrid.cn::21443/Uploads/' . $filename;
            $result_qrcode['code'] = '200';

            return json_encode($result_qrcode);
            //$this->return['data'] = $this->config->item('base_url').'/Uploads/'.$filename;//返回图片地址链接给前端
        }
    }
    public function getsharedata()
    {
        $appid = 'wxc77d58456db8082b'; //服务号
        $ticket = $this->getticket();
        $timestamp = time();
        $nonceStr = getRandomStrings();
        $data = ['ticket' => $ticket, 'timestamp' => $timestamp, 'nonceStr' => $nonceStr, 'appid' => $appid];
        return $data;
    }

}