php/app/validate/admin/RecommendOperation.php

<?php
namespace app\validate\admin;

use think\Validate;

class RecommendOperation extends Validate
{
    protected $rule = [
        'recommend_image|推荐图' => 'require',
        'name|名称' => 'require',
        'product_id|商品id' => 'require|number',
        'details|详情' => 'require',
        'images|图片' => 'require',
        'status|状态' => 'require|in:1,2',
        'show_time|展示时间' => 'require|date',
    ];

}