//获取access_token
    private static function get_access_token($app_id)
    {
        $getAuthorizerInfo = wx_auth::getAuthorizerInfo($app_id);
        $access_token = wx_auth::getAuthorizerAccessToken($app_id $getAuthorizerInfo['authorization_info']['authorizer_refresh_token']);
        return $access_token;
    }


    //客服回复用户信息
    public static function reply_customer($open_id $content)
    {
        $app_id = WxUser::getWxUserInfoByOpenId($open_id)['app_id'];

        $data = '{"touser":"' . $open_id . '""msgtype":"text""text":{"content":"' . $content . '"}}';
        $access_token = self::get_access_token($app_id);
        $url = "https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token=" . $access_token;
        $result = wx_tools::postCurl($url $data);
        return json_decode($result true);

    }

    //获取所有客服账号
    public static function get_customer_account_list($app_id)
    {
        $access_token = self::get_access_token($app_id);

        $url = "https://api.weixin.qq.com/cgi-bin/customservice/getkflist?access_token=" . $access_token;
        $result = wx_tools::getCurl($url);
        return json_decode($result true);
    }

    //邀请微信号到客服
    public static function invite_customer_account($kf_account $invite_wx $app_id)
    {
        $access_token = self::get_access_token($app_id);

        $data = '{"kf_account":"' . $kf_account . '""invite_wx":"' . $invite_wx . '"}';
        $url = "https://api.weixin.qq.com/customservice/kfaccount/inviteworker?access_token=" . $access_token;
        $result = wx_tools::postCurl($url $data);
        return json_decode($result true);
    }


    //添加客服账号
    public static function add_customer_account($kf_account $nickname $password $app_id)
    {
        $access_token = self::get_access_token($app_id);

        $data = '{"kf_account":"' . $kf_account . '""nickname":"' . $nickname . '""text":"' . $password . '"}';
        $url = "https://api.weixin.qq.com/customservice/kfaccount/add?access_token=" . $access_token;
        $result = wx_tools::postCurl($url $data);
        return json_decode($result true);
    }

    //设置微信头像
    public static function upload_head_img($app_id $kf_account $file)
    {
        $access_token = self::get_access_token($app_id);

        $url = 'https://api.weixin.qq.com/customservice/kfaccount/uploadheadimg?access_token=' . $access_token . '&kf_account=' . $kf_account;
        $tmp_name = $file['tmp_name'];
        $type = $file['type'];
        $path = $file['name'];

        $result = wx_tools::curl_post_file($url $tmp_name $type $path);
        return $result;
    }


    //修改客服账号
    public static function modify_customer_account($kf_account $nickname $password $app_id)
    {
        $access_token = self::get_access_token($app_id);

        $data = '{"kf_account":"' . $kf_account . '""nickname":"' . $nickname . '""text":"' . $password . '"}';
        $url = "https://api.weixin.qq.com/customservice/kfaccount/update?access_token=" . $access_token;
        $result = wx_tools::postCurl($url $data);
        return json_decode($result true);
    }

    //删除客服帐号
    public static function remove_customer_account($kf_account $app_id)
    {
        $access_token = self::get_access_token($app_id);

        $data = '{"kf_account":"' . $kf_account . '"}';
        $url = "https://api.weixin.qq.com/customservice/kfaccount/del?access_token=" . $access_token;
        $result = wx_tools::postCurl($url $data);
        return json_decode($result true);
    }

    //获取用户与客服之间的聊天记录

    public static function get_customer_service_chat_record($starttime $endtime $msgid $number $app_id)
    {
        $access_token = self::get_access_token($app_id);
        
        $data = '{"starttime":"' . $starttime . '""endtime":"' . $endtime . '""msgid":"' . $msgid . '""number":"' . $number . '"}';
        $url = "https://api.weixin.qq.com/customservice/msgrecord/getmsglist?access_token=" . $access_token;
        $result = wx_tools::postCurl($url $data);
        return json_decode($result true);
    }

我自己的wx_tools 文件

/**
     * 以post方式提交xml到对应的接口url
     * @param string $url 提交地址
     * @param string $param 需要post的xml数据
     * @param bool $file 是否上传文件
     * @param bool|array $cert 是否需要证书，默认不需要 如果是数组代表有证书地址 请按以下格式 array('cert' => 'cert.pem' 'key' => 'key.pem' 'rootca' => 'rootca.pem');
     * @param int $second
     * @return mixed
     */
    public static function postCurl($url $param $file = false $cert = false $second = 30)
    {
        $curl = curl_init();
        //设置超时
        curl_setopt($curl CURLOPT_TIMEOUT $second);
        if (stripos($url "https://") !== FALSE) {
            curl_setopt($curl CURLOPT_SSL_VERIFYPEER FALSE);
            curl_setopt($curl CURLOPT_SSL_VERIFYHOST false);
            curl_setopt($curl CURLOPT_SSLVERSION 1); //CURL_SSLVERSION_TLSv1
        }
        if (PHP_VERSION_ID >= 50500 && class_exists('CURLFile')) {
            $is_file = true;
        } else {
            $is_file = false;
            if (defined('CURLOPT_SAFE_UPLOAD')) {
                curl_setopt($curl CURLOPT_SAFE_UPLOAD false);
            }
        }
        if (is_string($param)) {
            $str_post = $param;
        } elseif ($file) {
            if ($is_file) {
                foreach ($param as $key => $val) {
                    if (substr($val 0 1) == '@') {
                        $param[$key] = new CURLFile(realpath(substr($val 1)));
                    }
                }
            }
            $str_post = $param;
        } else {
            $post = array();
            foreach ($param as $key => $val) {
                $post[] = $key . "=" . urlencode($val);
            }
            $str_post = join("&" $post);
        }

        //设置证书 todo 未验证
        if (is_array($cert)) {
            //请确保您的libcurl版本是否支持双向认证，版本高于7.20.1 使用证书：cert 与 key 分别属于两个.pem文件
            curl_setopt($curl CURLOPT_SSLKEYTYPE 'PEM');
            curl_setopt($curl CURLOPT_SSLCERT $cert['cert']);
            curl_setopt($curl CURLOPT_SSLKEYTYPE 'PEM');
            curl_setopt($curl CURLOPT_SSLKEY $cert['key']);
            //红包使用
            if (empty($cert['rootca'])) {
                curl_setopt($curl CURLOPT_SSLKEYTYPE 'PEM');
                curl_setopt($curl CURLOPT_CAINFO $cert['rootca']);
            }
        }

        curl_setopt($curl CURLOPT_URL $url);
        curl_setopt($curl CURLOPT_RETURNTRANSFER 1);
        curl_setopt($curl CURLOPT_POST true);
        curl_setopt($curl CURLOPT_POSTFIELDS $str_post);
        $content = curl_exec($curl);
        $status = curl_getinfo($curl);
        if (intval($status["http_code"]) == 200) {
            curl_close($curl);
//            ApiLog::setMessage(Yii::$app->session->get('request_base_api_log_id')['url' => $url 'message'=> $content] 1);
            return $content;
        } else {
            $error = curl_errno($curl);
            curl_close($curl);
//            $this->err_code = $error;
//            $this->err_msg = $this->curl_error[$error];
//            ApiLog::setMessage(Yii::$app->session->get('request_base_api_log_id')['url' => $url 'message'=> $content] 0);
            return false;
        }
    }


    /**
     * CURL GET 请求
     * @param $url
     * @return bool|mixed
     */
    public static function getCurl($url)
    {
        $curl = curl_init();
        if (stripos($url "https://") !== FALSE) {
            curl_setopt($curl CURLOPT_SSL_VERIFYPEER FALSE);
            curl_setopt($curl CURLOPT_SSL_VERIFYHOST FALSE);
            curl_setopt($curl CURLOPT_SSLVERSION 1); //CURL_SSLVERSION_TLSv1
        }
        curl_setopt($curl CURLOPT_URL $url);
        curl_setopt($curl CURLOPT_RETURNTRANSFER 1);
        $content = curl_exec($curl);
        $status = curl_getinfo($curl);

        if (intval($status["http_code"]) == 200) {
            curl_close($curl);
//            ApiLog::setMessage(Yii::$app->session->get('request_base_api_log_id')['url' => $url 'message'=> $content] 1);
            return $content;
        } else {
            $error = curl_errno($curl);
            curl_close($curl);
            file_put_contents('../web/logs/notify/error' . date('YmdHi') . '.txt' $error);
//            ApiLog::setMessage(Yii::$app->session->get('request_base_api_log_id')['url' => $url 'message'=> $content] 0);
//            $this->err_code = $error;
//            $this->err_msg = $this->curl_error[$error];
            return false;
        }
    }

    /**
     * 微信api不支持中文转义的json结构
     * @param $arr
     * @return string
     */
    public static function jsonEncode($arr)
    {
        if (count($arr) == 0) return "[]";
        $parts = array();
        $is_list = false;
        //Find out if the given array is a numerical array
        $keys = array_keys($arr);
        $max_length = count($arr) - 1;
        if (($keys [0] === 0) && ($keys [$max_length] === $max_length)) { //See if the first key is 0 and last key is length - 1
            $is_list = true;
            for ($i = 0; $i < count($keys); $i++) { //See if each key correspondes to its position
                if ($i != $keys [$i]) { //A key fails at position check.
                    $is_list = false; //It is an associative array.
                    break;
                }
            }
        }
        foreach ($arr as $key => $value) {
            if (is_array($value)) { //Custom handling for arrays
                if ($is_list)
                    $parts [] = self::jsonEncode($value); /* :RECURSION: */
                else
                    $parts [] = '"' . $key . '":' . self::jsonEncode($value); /* :RECURSION: */
            } else {
                $str = '';
                if (!$is_list)
                    $str = '"' . $key . '":';
                //Custom handling for multiple data types
                if (!is_string($value) && is_numeric($value) && $value < 2000000000)
                    $str .= $value; //Numbers
                elseif ($value === false)
                    $str .= 'false'; //The booleans
                elseif ($value === true)
                    $str .= 'true';
                else
                    $str .= '"' . addslashes($value) . '"'; //All other things
                // :TODO: Is there any more datatype we should be in the lookout for? (object?)
                $parts [] = $str;
            }
        }
        $json = implode('' $parts);
        if ($is_list)
            return '[' . $json . ']'; //Return numerical JSON
        return '{' . $json . '}'; //Return associative JSON
    }

    /**
     * 数据解析
     * @param $data
     * @return bool|mixed
     */
    public static function parseData($data)
    {
        $data = json_decode($data true);
        return $data;
    }


    /**
     * 使用curl 文件上传 版本大于5.5
     * @param $url
     * @param $tmp_name
     * @param $type
     * @param $path
     * @return int|mixed
     */
    public static function curl_post_file($url $tmp_name $type $path)
    {
        $curl = curl_init();
        curl_setopt($curl CURLOPT_SAFE_UPLOAD true);
        $data = ['file' => new CURLFile($tmp_name $type $path)];
        curl_setopt($curl CURLOPT_URL $url);
        curl_setopt($curl CURLOPT_POST 1);
        curl_setopt($curl CURLOPT_POSTFIELDS $data);
        curl_setopt($curl CURLOPT_RETURNTRANSFER 1);
        curl_setopt($curl CURLOPT_USERAGENT "TEST");
        $result = curl_exec($curl);
        $status = curl_getinfo($curl);
        if (intval($status["http_code"]) == 200) {
            curl_close($curl);
            return $result;
        }
        $error = curl_errno($curl);
        curl_close($curl);
        return $error;
    }