crm/app/sys/validate/Article.php

<?php

namespace app\sys\validate;

use think\Validate;

class Article extends Validate
{
    // 验证规则
    protected $rule = [
        'title' => 'require|max:80',
        'type'  => 'require',
        'label'  => 'require',
    ];

    // 验证消息
    protected $message  =   [
        'title.require' => '请输入标题',
        'title.max' => '标题最长80个字符',
        'type.require' => '请选择分类',
        'label.require' => '请选择标签',
    ];

    // 验证场景
    protected $scene = [
        'save'  =>  ['title', 'type'],
    ];
}