hainan/app/AdminSupplier/Controllers/DiyFormController.php

<?php

namespace App\AdminSupplier\Controllers;

use App\AdminSupplier\Repositories\DiyForm;
use Dcat\Admin\Admin;
use Dcat\Admin\Form;
use Dcat\Admin\Grid;
use Dcat\Admin\Show;
use Dcat\Admin\Http\Controllers\AdminController;
use Dcat\Admin\Widgets\Table;

class DiyFormController extends AdminController
{
	private $field_types = [
		'text' => '单行文本框',
		'textarea' => '多行文本框',
		'select' => '选择框',
		'checkbox' => '多选框',
		'image' => '图片上传',
	];

    /**
     * Make a grid builder.
     *
     * @return Grid
     */
    protected function grid()
    {
        return Grid::make(new DiyForm(['fields']), function (Grid $grid) {
			$grid->disableViewButton();

        	$grid->model()->where('supplier_id', Admin::user()->id);

            $grid->column('id')->sortable();
            $grid->column('name');

			$field_types = $this->field_types;
            $grid->column('fields')
				->display('查看')
				->modal('字段列表', function ($modal) use ($field_types) {
					$fields = array_map(function ($v) use ($field_types) {
						return [
							$v['field'],
							$field_types[$v['type']] ?? '',
							$v['required'] ? '必填' : '选填',
							$v['sort'],
						];
					}, $this->fields->toArray());
					return Table::make(['字段名', '字段类型', '是否必填', '排序'], $fields);
				});
            $grid->column('created_at');

            $grid->filter(function (Grid\Filter $filter) {
                $filter->equal('id')->width(2);
				$filter->like('name')->width(3);
            });
        });
    }

    /**
     * Make a show builder.
     *
     * @param mixed $id
     *
     * @return Show
     */
    protected function detail($id)
    {
        return Show::make($id, new DiyForm(['fields']), function (Show $show) {
			//不允许查看非自己的数据
			if ($show->model()->supplier_id != Admin::user()->id) {
				Admin::exit('数据不存在');
			}

			$show->field('id');
            $show->field('name');
            $show->field('fields');
            $show->field('created_at');
            $show->field('updated_at');
        });
    }

    /**
     * Make a form builder.
     *
     * @return Form
     */
    protected function form()
    {
        return Form::make(new DiyForm(['fields']), function (Form $form) {
			$form->disableViewButton();

			//不允许编辑非自己数据
			if ($form->isEditing() && $form->model()->supplier_id != Admin::user()->id) {
				return $form->response()->error('数据不存在');
			}

			$form->display('id');
            $form->text('name')->required();
            $form->hasMany('fields', function (Form\NestedForm $form) {
				$form->text('field', '字段名称')->required();
				$form->switch('required', '是否必填')->value(1)->default(1)->required();
				$form->radio('type', '字段类型')
					->required()->default('text')->value('text')
					->options($this->field_types)->when(['select', 'checkbox'], function (Form\NestedForm $form) {
						$form->list('options', '选项列表');
					});
				$form->number('sort', '排序')
					->help('数字越小越靠前')->value(255)
					->default(255)->required();
			});
		})->saving(function (Form $form) {
			//不允许编辑非自己数据
			if ($form->isEditing() && $form->model()->supplier_id != Admin::user()->id) {
				return $form->response()->error('数据不存在');
			}

			$form->hidden(['supplier_id']);
			$form->supplier_id = Admin::user()->id;
		})->deleting(function (Form $form) {
			//不允许删除非自己的数据
			if (array_filter($form->model()->toArray(), fn($v) => $v['supplier_id'] != Admin::user()->id)) {
				return $form->response()->error('数据不存在');
			}
        });
    }
}