hainan/app/AdminAgent/Controllers/NoticeController.php

<?php

namespace App\AdminAgent\Controllers;

use App\AdminAgent\Repositories\Notice;
use Dcat\Admin\Admin;
use Dcat\Admin\Form;
use Dcat\Admin\Grid;
use Dcat\Admin\Show;
use Dcat\Admin\Http\Controllers\AdminController;

class NoticeController extends AdminController
{
    /**
     * Make a grid builder.
     *
     * @return Grid
     */
    protected function grid()
    {
        return Grid::make(new Notice(), function (Grid $grid) {
			$grid->model()->where('agent_id', Admin::user()->id)
				->orderBy('sort')->orderBy('id', 'DESC');

            $grid->column('id')->sortable();
            $grid->column('author');
            $grid->column('title');
            $grid->column('sort')->editable()->width(120);
            $grid->column('created_at');
            $grid->column('updated_at');

            $grid->filter(function (Grid\Filter $filter) {
				$filter->panel();

                $filter->equal('id')->width(2);
				$filter->like('title')->width(3);
            });
        });
    }

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

			$show->field('id');
            $show->field('author');
            $show->field('title');
            $show->field('content')->unescape();
			$show->field('sort');
            $show->field('created_at');
            $show->field('updated_at');
        });
    }

    /**
     * Make a form builder.
     *
     * @return Form
     */
    protected function form()
    {
        return Form::make(new Notice(), function (Form $form) {
			//不允许查看非自己的数据
			if ($form->isEditing() && $form->model()->agent_id != Admin::user()->id) {
				return $form->response()->error('数据不存在');
			}

			$form->display('id');
            $form->text('author')->default(Admin::user()->name);
            $form->text('title')->required();
            $form->editor('content');
			$form->text('sort')->default(255);
        })->saving(function (Form $form) {
			//不允许修改非自己的数据
			if ($form->isEditing() && $form->model()->agent_id != Admin::user()->id) {
				return $form->response()->error('数据不存在');
			}

			//特殊字段处理
			$form->hidden(['agent_id']);
			$form->agent_id = Admin::user()->id;
			$form->sort = $form->sort ?? 255;

			foreach ($form->input() as $k => $v) {
				if (is_null($v)) {
					$form->$k = '';
				}
			}

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