api响应类

接口开发响应类封装

class response{
    /*
    * 封通信接口数据
    * @param integer $code 状态码
    * @param string $message 状态信息
    * @param array $data 数据
    * return string
    */
    public static function api_response($code, $message='', $data=array()){
                //记录错误日志
                if (1 !== $code) {
                        $logger = new logger();
                        $logger->conf['log_file'] = _LOG_DIR_ . 'api_error' . '.log';
                        $logger->log(array(substr(getIp(), 0, 15), '['.date("Y-m-d H:i:s").']',        'code: '.$code, 'message: '.$message));
                }

                $type = isset($_REQUEST['format'])?$_REQUEST['format']:'';
        switch ($type) {
            case 'json':
                self::json_response($code, $message, $data);
                break;
            case 'xml':
                self::xml_response($code, $message, $data);
                break;
            case 'array':
                self::array_response($code, $message, $data);
                break;
            default:
                self::json_response($code, $message, $data);
                break;
        }
    }

    /*
    * 封装数为json数据类型
    * @param integer $code 状态码
    * @param string $message 状态信息
    * @param array $data 数据
    * return string
    */
    public static function json_response($code, $message='', $data=array()){
        $result = self::grant_array($code, $message, $data);
        echo json_encode($result);
        exit;
    }

    /*
    * 封装数为xml数据类型
    * @param integer $code 状态码
    * @param string $message 状态信息
    * @param array $data 数据
    * return string
    */
    public static function xml_response($code, $message='', $data=array()){
        $result = self::grant_array($code, $message, $data);

        header("Content-Type:text/xml");
        $xml = "<?xml version='1.0' encoding='UTF-8'?>".PHP_EOL;
        $xml .= "<root>".PHP_EOL;
        $xml .= self::xml_encode($result);
        $xml .= "</root>";
        echo $xml;
        exit;
    }

        /*
    * 封装数为array数据类型
    * @param integer $code 状态码
    * @param string $message 状态信息
    * @param array $data 数据
    * return string
    */
        public static function array_response($code, $message='', $data=array()){
                $result = self::grant_array($code, $message, $data);
                echo var_export($result, true);
                exit;
        }

    /*
    * 将数组转换为XML格式
    * @param array $array 数组
    * return string
    */
    private static function xml_encode($array=array()){
        $xml = $attr = "";

        if(!empty($array)){
            foreach ($array as $key => $value) {
                if(is_numeric($key)){
                    $attr = " id='{$key}'";
                    $key = "item";
                }
                $xml .= "<{$key}{$attr}>" ;
                $xml .= is_array($value) ? self::xml_encode($value) : $value;
                $xml .="</{$key}>".PHP_EOL;
            }
        }
        return $xml;
    }

    /*
    * 按照接口格式生成原数据数组
    * @param integer $code 状态码
    * @param string $message 状态信息
    * @param array $data 数据
    * return array
    */
    private static function grant_array($code, $message='', $data=array()){
        if(!is_numeric($code)){
            return '';
        }
                $data['date'] = date('Y-m-d H:i:s');
        $result = array(
            'code' => $code,
            'message' => $message,
            'data' => $data
        );

        return $result;
    }
}

日志类封装

class logger
{
        /**
         * 配置
         */
        public $conf = array(
                'log_file' => '',
                'separator' => ' ',
        );

        /**
         * 文件句柄
         */
        private $fileHandler;

        /**
         * 获得文件句柄
         * @return resource fileHandler
         */
        protected function getFileHandler()
        {
                if (null === $this->fileHandler)
                {
                        if (empty($this->conf['log_file']))
                        {
                                trigger_error('no log file spcified');
                        }
                        $logDir = dirname($this->conf['log_file']);
                        if (!is_dir($logDir))
                        {
                                mkdir($logDir, 0777, true);
                        }
                        $this->fileHandler = fopen($this->conf['log_file'], 'a');
                }
                return $this->fileHandler;
        }

        /**
         * 记录日志
         * @param mixed $logData
         */
        public function log($logData)
        {
                if ('' == $logData || array() == $logData)
                {
                        return false;
                }
                if (is_array($logData))
                {
                        $logData = implode($this->conf["separator"], $logData);
                }
                $logData = $logData. "\n";
                fwrite($this->getFileHandler(), $logData);
                fclose($this->getFileHandler());
        }
}

来自：http://bbs.php-z.com/thread-3101-1-1.html