wxgzh/app/Admin/Controllers/BannerController.php

<?php

namespace App\Admin\Controllers;

use Encore\Admin\Controllers\AdminController;
use Encore\Admin\Form;
use Encore\Admin\Grid;
use Encore\Admin\Show;
use App\Models\Banner;

class BannerController extends AdminController
{
    /**
     * Title for current resource.
     *
     * @var string
     */
    protected $title = 'Banner 管理';

    /**
     * Make a grid builder.
     *
     * @return Grid
     */
    protected function grid()
    {
        $grid = new Grid(new Banner);

        $grid->column('id', __('ID'))->sortable();
        $grid->column('name', __('位置名称'));
        $grid->column('local_id',  __('位置'))->display(function ($localId) {
         return isset(Banner::$localMap[$localId])?Banner::$localMap[$localId]:"未知";
        });
        $grid->column('rank', __('排序(越大越靠前)'))->sortable();
        $grid->column('created_at', __('创建时间'));
        $grid->column('updated_at', __('更新时间'));

        return $grid;
    }

    /**
     * Make a show builder.
     *
     * @param mixed   $id
     * @return Show
     */
    protected function detail($id)
    {
        $show = new Show(Banner::findOrFail($id));

        $show->field('id', __('ID'));
        $show->field('created_at', __('Created at'));
        $show->field('updated_at', __('Updated at'));

        return $show;
    }

    /**
     * Make a form builder.
     *
     * @return Form
     */
    protected function form()
    {
        $form = new Form(new Banner);

        $form->display('id', __('ID'));
        $form->select('local_id',  __('位置'))->options(Banner::$localMap)->rules('required');
        $form->text('name', __('名称'))->rules('required');
        $form->image('pic', __('图片'))->uniqueName()->move('pics/'.date('Y').'/'.date('m'))->rules('required');
        $form->text('url', __('链接地址'))->rules('required');
        $form->number('rank', __('排序(越大越靠前)'))->default(0);

        return $form;
    }
}