xingyou/app/Http/Admin/Requests/ColumnForm.php

<?php

namespace App\Http\Admin\Requests;

use App\Http\Requests\ApiBaseRequest;
use Illuminate\Validation\Rule;

class ColumnForm extends ApiBaseRequest
{
    /**
     * Determine if the user is authorized to make this request.
     *
     * @return bool
     */
    public function authorize()
    {
        return true;
    }

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array
     */
    public function rules()
    {
        if ($this->post('id')) {
            return [
                'assemble_mid' => 'required',
                'category_type' => 'required|in:2,3,4',
                'title' => 'required',
                'code' => [
                    'required',
                ],
                'table' => [
                    'required'
                ],
                'type' => 'required',
                'length' => 'required_if:type,string',
                'es_property' => 'required',
            ];
        } else {
            return [
                'assemble_mid' => 'required',
                'category_type' => 'required|in:2,3,4',
                'title' => 'required',
                'table' => 'required_if:category_type,3', // category_type为3必填
                'code' => [
                    'required',
                ],
                'type' => 'required',
                'length' => 'required_if:type,string',
                'es_property' => 'required',
            ];
        }
    }

    public function messages()
    {
        return [];
    }

    /**
     * 获取验证错误的自定义属性
     *
     * @return array
     */
    public function attributes()
    {
        return [
            'title' => '标题',
            'schema' => '表的名称',
        ];
    }
}