test/app/Http/Requests/Request.php

<?php
/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2019/4/10 0010
 * Time: 13:07
 */

namespace App\Http\Requests;

use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Contracts\Validation\Validator;
use Illuminate\Validation\ValidationException;
use Symfony\Component\HttpFoundation\Response;

class Request extends FormRequest
{

    protected function failedValidation(Validator $validator)
    {
        $messageList = [];
        foreach ($validator->errors()->messages() as $items) {
            foreach ($items as $item) {
                $messageList[] = $item;
            }
        }
        $message = implode('<br>', $messageList);
        $format = json_encode(['message' => $message]);
        throw (new ValidationException($validator, new Response($format, 422)))
            ->errorBag($this->errorBag)
            ->redirectTo($this->getRedirectUrl());
    }

//    public function messages()
//    {
//        return [
//            'required' => ':attribute不能为空',
//            'in' => ':attribute必须是以下取值: :values',
//            'numeric' => ':attribute必须是数字',
//            'max' => [
//                'numeric' => ':attribute 应小于:max ',
//                'file' => ':attribute 应小于:max kb',
//                'string' => ':attribute应小于 :min 位',
//                'array' => ':attribute应大于 :min 列表',
//            ],
//            'min' => [
//                'numeric' => ':attribute应大于 :min ',
//                'file' => ':attribute应大于 :min kb',
//                'string' => ':attribute应大于 :min 位',
//                'array' => ':attribute应大于 :min 列表',
//            ],
//            'unique' => ':attribute 已存在',
//            'array' => ':attribute应为列表'
//        ];
//    }
}