myc/app/validate/admin/MerchantCategoryValidate.php

<?php




namespace app\validate\admin;


use think\Validate;

class MerchantCategoryValidate extends Validate
{
    protected $failException = true;

    protected $rule = [
        'category_name|分类名称' => 'require|max:32',
        'commission_rate|手续费' => 'require|float|>=:0|<=:100'
    ];
}