HC2020110901/app/Controller/Request/UploadRequest.php

<?php

declare(strict_types=1);

namespace App\Request;
/**
 *
 */
use App\Constants\ErrorCode;
use App\Exception\ApiException;
use Hyperf\Contract\ValidatorInterface;
use Hyperf\Validation\Request\FormRequest;
class UploadRequest extends FormRequest
{
    /**
     * Determine if the user is authorized to make this request.
     */
    public function authorize(): bool
    {
        return true;
    }

    /**
     * Get the validation rules that apply to the request.
     */
    public function rules(): array
    {
        return [
            'type' => 'nullable|string',
            'file' => 'required|file',
        ];
    }

    public function messages(): array
    {
        return [
            'required' => ':attribute 必填',
            'file' => ':attribute 必须上传',
        ];
    }

    // 这里我是希望走到我自己定义的 异常处理，你如果没有自定义，去掉这个函数的重写即可。
    protected function failedValidation(ValidatorInterface $validator)
    {
        throw new ApiException(ErrorCode::SERVER_ERROR, $validator->errors()->first());
    }
}