$rule
$rule : array
定义验证规则 格式：'字段名' => ['规则1','规则2'.
..]
<?php
namespace app\teach\validate;
use think\Validate;
class Subject extends Validate
{
/**
* 定义验证规则
* 格式：'字段名' => ['规则1','规则2'...]
*
* @var array
*/
protected $rule = [
'id|ID' => 'require:number',
'title|名称' => 'require|length:1,25',
'jiancheng|简称' => 'require|length:1,6',
'lieming|列标识' => 'require',
'category_id|分类' => 'require|number',
'paixu|排序' => 'number',
];
/**
* 定义错误信息
* 格式：'字段名.规则名' => '错误信息'
*
* @var array
*/
protected $message = [];
protected $scene = [
'create' => ['title', 'jiancheng', 'lieming', 'category_id', 'paixu'],
'edit' => ['id', 'title', 'jiancheng', 'lieming','category_id', 'paixu'],
];
}