小程序生成菊花码普通二维码

wxapp_settings = cmf_get_option('wxapp_settings');
        $this->default_wxapp_settings = $this->wxapp_settings['default'];
        $this->appId = $this->default_wxapp_settings['app_id'];
        $this->appSecret = $this->default_wxapp_settings['app_secret'];
        $access_token = \think\Cache::get('access_token');
        if (!$access_token) {
            $target_url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=" . $this->appId . "&secret=" . $this->appSecret;
            $res = $this->http_get($target_url);
            $res = json_decode($res, true);
            if (isset($res['errcode']) && $res['errcode'] != 0) {
                $content = '';
                switch (!$res || $res['errcode']) {
                    case 40001:
                        $content = "AppSecret错误或者AppSecret不属于这个小程序，请开发者确认AppSecret的正确性";
                        break;
                    case 40164:
                        $content = "调用接口的IP地址不在白名单中，请在接口IP白名单中进行设置";
                        break;
                }
                $this->log($content);
            }
            $access_token = $res['access_token'];
            $expire = $res['expires_in'] ? intval($res['expires_in']) - 100 : 7200;
            \think\Cache::set('access_token', $res['access_token'], $expire);
        }
        $this->access_token = $access_token;
    }

    //菊花码，适用于大量生成二维码
    public function getWxQrcode($page = 'pages/index/index',$scene = '', $width = 430, $filepath = null)
    {
        $width  = $width ? $width : 430;
        $url = "https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token=" . $this->access_token;
        $param = json_encode(array(
            "scene" => $scene,
            "page" => $page,
            "width" => $width
        ));
        $res = $this->http_post($url, $param);
        //40130 page要发布
        if ($filepath) {
            if (!file_exists($filepath)) {
                mkdirs($filepath);
            }
            $file = rtrim($filepath, DS) . DS . uniqid() . '.jpg';
            $res = file_put_contents($file, $res);
            if ($res === false) {
                return false;
            }
            return $file;
        } else {
            header('content-type:image/jpeg');
            die($res);
        }
    }
    /**
     * 获取小程序二维码
     * @param $page 带参数的小程序跳转链接
     * @param $width 二维码宽度
     */
    public function getQrcode($page = 'pages/index/index', $width = '150', $filepath = null)
    {
        $width  = $width ? $width : 150;
        $url = "https://api.weixin.qq.com/cgi-bin/wxaapp/createwxaqrcode?access_token=" . $this->access_token;
        $param = json_encode(array("path" => $page, "width" => $width));
        $res = $this->http_post($url, $param);
        if ($filepath) {
            if (!file_exists($filepath)) {
                mkdirs($filepath);
            }
            $file = rtrim($filepath, DS) . DS . uniqid() . '.jpg';

            $res = file_put_contents($file, $res);
            if ($res === false) {
                return false;
            }
            return $file;
        } else {
            header('content-type:image/jpeg');
            die($res);
        }
    }

    public function getTemplateList()
    {
        $api = "https://api.weixin.qq.com/cgi-bin/wxopen/template/list?access_token=" . $this->access_token;
        $data['offset'] = 0;
        $data['count'] = 10;
        $res = $this->http_post($api, $data);
        $res = json_decode($res, true);
        if ($res['errcode'] == 0) {
            return $res['list'];
        }
        $this->log($res['errmsg']);
        return false;
    }

    /**
     * GET 请求
     * @param string $url
     */
    private function http_get($url)
    {
        $oCurl = curl_init();
        if (stripos($url, "https://") !== FALSE) {
            curl_setopt($oCurl, CURLOPT_SSL_VERIFYPEER, FALSE);
            curl_setopt($oCurl, CURLOPT_SSL_VERIFYHOST, FALSE);
            curl_setopt($oCurl, CURLOPT_SSLVERSION, 1); //CURL_SSLVERSION_TLSv1
        }
        curl_setopt($oCurl, CURLOPT_URL, $url);
        curl_setopt($oCurl, CURLOPT_RETURNTRANSFER, 1);
        $sContent = curl_exec($oCurl);
        $aStatus = curl_getinfo($oCurl);
        curl_close($oCurl);
        if (intval($aStatus["http_code"]) == 200) {
            return $sContent;
        } else {
            return false;
        }
    }

    /**
     * POST 请求
     * @param string $url
     * @param array $param
     * @param boolean $post_file 是否文件上传
     * @return string content
     */
    private function http_post($url, $param, $post_file = false)
    {
        $oCurl = curl_init();
        if (stripos($url, "https://") !== FALSE) {
            curl_setopt($oCurl, CURLOPT_SSL_VERIFYPEER, FALSE);
            curl_setopt($oCurl, CURLOPT_SSL_VERIFYHOST, false);
            curl_setopt($oCurl, CURLOPT_SSLVERSION, 1); //CURL_SSLVERSION_TLSv1
        }
        if (is_string($param) || $post_file) {
            $strPOST = $param;
        } else {
            $aPOST = array();
            foreach ($param as $key => $val) {
                $aPOST[] = $key . "=" . urlencode($val);
            }
            $strPOST = join("&", $aPOST);
        }
        curl_setopt($oCurl, CURLOPT_URL, $url);
        curl_setopt($oCurl, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($oCurl, CURLOPT_POST, true);
        curl_setopt($oCurl, CURLOPT_POSTFIELDS, $strPOST);
        $sContent = curl_exec($oCurl);
        $aStatus = curl_getinfo($oCurl);
        curl_close($oCurl);
        if (intval($aStatus["http_code"]) == 200) {
            return $sContent;
        } else {
            return false;
        }
    }

    protected function log($content, $title = '', $path = '')
    {
        if (empty($path)) {
            $path = $this->logpath;
        }
        if (!file_exists($path)) {
            mkdirs($path);
        }
        $filepath = $path . '/' . date('Y-m-d', time()) . '.txt';
        $str = '';
        if (!empty($title)) {
            $str .= $title . PHP_EOL;
        }
        $str .= '收到请求:' . date('Y-m-d H:i:s') . PHP_EOL . json_encode($this->request->param(), JSON_UNESCAPED_UNICODE) . PHP_EOL;
        $str .= '日志内容:' . $content . PHP_EOL;
        file_put_contents($filepath, $str, FILE_APPEND);
    }
}