order_consumption_system_new/app/Http/Controllers/Api/Controller.php

<?php

namespace App\Http\Controllers\Api;

use App\Http\Controllers\Controller as BaseController;
use Dingo\Api\Routing\Helpers;

class Controller extends BaseController
{
    use Helpers;

    /**
     * 统一接口返回json格式
     * @param $data
     * @param int $errorNo
     * @return array
     */
    public static function returnValue($data, $errorNo = 0, $err_msg = '')
    {
        $err = config('errors.ERR_CODES')[$errorNo];
        if($errorNo == 1102) $err_msg = self::errorMessage($data);
        return [
            "rst" => $data,
            "errno" => $errorNo . '',
            "err" => $err . (!empty($err_msg) ? ':'.$err_msg : ''),
            "timestamp" => intval(microtime(true)) . '',
        ];
    }

    /**
     * 统一分页响应格式
     * @param $data
     * @param $total
     * @param $pageSize
     * @param $page
     * @return array
     */
    public static function returnPageValue($data, $total, $pageSize, $page = 1, $extra = null)
    {
        $pages = ceil($total / $pageSize);
        $result = [
            'data' => $data,
            'pageInfo' => [
                'total' => $total,
                'pages' => $pages,
                'size' => $pageSize,
                'page' => $page
            ]
        ];
        if( $extra !== null && is_array($extra) ){
            $result = array_merge( $result, $extra );
        }
        return self::returnValue($result);
    }

    /*
     * 验证数据信息拼接
     */
    public static function errorMessage($errors)
    {
        $errorArr = json_decode(json_encode($errors),1);
        $message = null;
        if(isset($errorArr['error'])) {
            if(is_array($errorArr['error'])) {
                foreach($errorArr['error'] as $value) {
                    $num = count($value);
                    for($i=0;$i<$num;$i++) {
                        $message .= $value[$i].' ';
                    }
                }
            } else {
                $message = $errorArr['error'];
            }
        }

        return $message;
    }

}