hainan/app/AdminAgent/Controllers/AdvertisingController.php

<?php

namespace App\AdminAgent\Controllers;

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

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

            $grid->column('id')->sortable();
			$grid->column('display')->using(admin_trans('advertising.options.display'));
            $grid->column('title');
            $grid->column('picture')->image('', 60, 60);
			$grid->column('type')->using(admin_trans('advertising.options.type'));
			$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->equal('display')->select(admin_trans('advertising.options.display'))->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 Advertising(), 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('display')->using(admin_trans('advertising.options.display'));
            $show->field('title');
            $show->field('picture')->image('', 80, 80);
			$show->field('type')->using(admin_trans('advertising.options.type'));
			$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 Advertising(), 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->select('display')
				->options(admin_trans('advertising.options.display'))
				->default(0)
				->required();
			$form->text('title')
				->help('主要用于后台显示，方便管理')
				->required();
            $form->image('picture')
				->required()->removable(false)->uniqueName()
				->help('轮播图大小：750*360；横屏广告大小：750*230；产品列表内嵌广告建议跟产品图片大小一致');
            $form->select('status')
				->options(['禁用', '启用'])
				->default(1)
				->required();
			$form->radio('type', '链接类型')
				->options(admin_trans('advertising.options.type'))
				->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 : '');
				})
				->required();
            $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');
			}
		});
    }
}