wkshi/app/Admin/Controllers/LunboController.php

<?php

namespace App\Admin\Controllers;

use App\Lunbo;
use App\Http\Controllers\Controller;
use Encore\Admin\Controllers\HasResourceActions;
use Encore\Admin\Form;
use Encore\Admin\Grid;
use Encore\Admin\Layout\Content;
use Encore\Admin\Show;

class LunboController extends Controller
{
    use HasResourceActions;

    /**
     * Index interface.
     *
     * @param Content $content
     * @return Content
     */
    public function index(Content $content)
    {
        return $content
            ->header('轮播图管理')
            ->description('列表')
            ->body($this->grid());
    }

    /**
     * Show interface.
     *
     * @param mixed $id
     * @param Content $content
     * @return Content
     */
    public function show($id, Content $content)
    {
        return $content
            ->header('轮播图管理')
            ->description('详情')
            ->body($this->detail($id));
    }

    /**
     * Edit interface.
     *
     * @param mixed $id
     * @param Content $content
     * @return Content
     */
    public function edit($id, Content $content)
    {
        return $content
            ->header('轮播图管理')
            ->description('编辑')
            ->body($this->form()->edit($id));
    }

    /**
     * Create interface.
     *
     * @param Content $content
     * @return Content
     */
    public function create(Content $content)
    {
        return $content
            ->header('轮播图管理')
            ->description('创建')
            ->body($this->form());
    }

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

        $grid->id('编号');
        $grid->name('名称');
        $grid->link('链接');
        $grid->img('图像')->display(function ($img) {
            return '<img style="width:200px;" src="/upload/'.$img.'"></img>';
        });;
        $grid->isshow('是否显示')->display(function ($value) {
            return $value ? '是' : '否';
        });
        $grid->created_at('创建时间');
        $grid->updated_at('更新时间');

        $grid->disableExport();
        $grid->disableFilter();
        $grid->actions(function (Grid\Displayers\Actions $actions) {
            $actions->disableView();
        });

        return $grid;
    }

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

        $show->id('编号');
        $show->name('名字');
        $show->img('图片')->unescape()->as(function () {
            return '<img style="width:600px; height:400px" src="/upload/' . $this->img . '"></img>';
        });
        $show->isshow('是否显示')->as(function () {
            return $this->isshow ? '是' : '否';
        });
        $show->created_at('创建时间');
        $show->updated_at('更新时间');

        return $show;
    }

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

        $form->text('name', '名称')->rules('required');
        $form->image('img', '图片')->uniqueName()->rules('required')->help('建议比例为25:7');
        $form->switch('isshow', '是否显示');
        $form->url('link', '链接');
        $form->tools(function (Form\Tools $tools) {
            $tools->disableView();
        });
        return $form;
    }
}