crm/app/sys/validate/Talkskill.php

<?php

namespace app\sys\validate;

use think\Validate;

class Talkskill extends Validate
{
    // 验证规则
    protected $rule = [
        'title' => 'require|length:1,255',
        'label'  => 'requireCallback:check_require',
        'content'  => 'require',
        'comments' => 'require|max:500',
        'state' => 'in:1,2',
    ];

    // 验证消息
    protected $message  =   [
        'title.require' => '请输入问题',
        'title.max' => '问题最长255个字符',
        'label.requireCallback' => '请选择场景',
        'content.require' => '请输入问题答案',
        'comments.require' => '请输入回答内容',
        'comments.max' => '回答内容最长500个字符',
        'state.in' => '审核状态错误',
    ];

    // 验证场景
    protected $scene = [
        'add_talkskill'  =>  ['title', 'content'],
        'comment' => ['comments','state']
    ];
    
    function check_require($value , $data)
    {
    	if(isset($data['state']) && $data['state'] == 2)
    	{
    		return false;
    	}
    	return true;
    }
}