hainan/app/AdminAgent/Controllers/WaterfallAdController.php

<?php

namespace App\AdminAgent\Controllers;

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

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

			$grid->column('id')->sortable();
			$grid->column('title');
			$grid->column('picture')->image('', 60, 60);
			$grid->column('type')->using(['链接内部页面', '链接网址']);
			$grid->column('url');
			$grid->column('status')->switch();
			$grid->column('sort')->editable()->sortable()->width(120);

			$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 WaterfallAd('agentProduct.product:id,title'), 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('title');
            $show->field('picture')->image('', 80, 80);
			$show->field('type')->using(['链接内部页面', '链接网址']);
			$show->field('url');
			$show->field('status')->using(['禁用', '启用']);
			$show->field('sort');
            $show->field('created_at');
            $show->field('updated_at');
        });
    }

    /**
     * Make a form builder.
     *
     * @return Form
     */
    protected function form()
    {
        return Form::make(new WaterfallAd(), 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('title')->required();
            $form->image('picture')
				->required()->removable(false)->uniqueName();
			$form->radio('type', '链接类型')
				->options(['链接到内部页面', '链接到网址'])
				->value(0)->default(0)
				->when(0, function (Form $form) {
					$form->text('url-0', '内部页面地址')
						->customFormat(fn() => $this->type == 0 ? $this->url : '')
						->help('格式如下：<br>产品详情页：/pages/goodsDetail/index?goods_id=产品ID
								<br>文章详情页：/pages/notice/article?article_id=文章ID
								<br>公告详情页：/pages/notice/notice?notice_id=公告ID');
				})
				->when(1, function (Form $form) {
					$form->url('url-1', '链接到网址')
						->placeholder('如：https://www.baidu.com/')
						->customFormat(fn() => $this->type == 1 ? $this->url : '');
				});
			$form->text('sort')->default(255)->required();
        })->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');
			}

			//将null字段设置为空值，防止插入数据库出错
			foreach ($form->input() as $k => $v) {
				if (is_null($v)) {
					$form->$k = '';
				}
			}

			//处理特殊字段
			$form->hidden(['agent_id', 'url']);
			$form->agent_id = Admin::user()->id;
			$form->status = $form->status ? 1 : 0;
			$form->url = $form->{'url-' . $form->type};
			$form->deleteInput(['url-0', 'url-1']);

			//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');
			}
		});
    }
}