界面

代码

<?php

namespace App\Admin\Controllers\Demo;

use App\Models\Demo\Painter;
use Encore\Admin\Form;
use Encore\Admin\Grid;
use Encore\Admin\Facades\Admin;
use Encore\Admin\Layout\Content;
use App\Http\Controllers\Controller;
use Encore\Admin\Controllers\ModelForm;
use Encore\Admin\Widgets\Tab;

class PainterController extends Controller
{
    use ModelForm;
    ...

    protected function grid()
    {
        return Admin::grid(Painter::class, function (Grid $grid) {

            $grid->id('ID')->sortable();

            $grid->username()->editable();

            $grid->paintings()->pluck('title')->map(function ($title) {
                return "<strong><i>《$title》</i></strong>";
            })->implode('<br />');

            $grid->created_at();
            $grid->updated_at();
        });
    }

    protected function form()
    {
        return Admin::form(Painter::class, function (Form $form) {

            $form->display('id', 'ID');

            $form->text('username')->rules('required');
            $form->textarea('bio')->rules('required');

            $form->hasMany('paintings', function (Form\NestedForm $form) {
                $form->text('title');
                $form->textarea('body');
                $form->datetime('completed_at');
            });

            $form->display('created_at', 'Created At');
            $form->display('updated_at', 'Updated At');
        });
    }

    ...
}

模型

app/Models/Demo/Painter.php

<?php

namespace App\Models\Demo;

use Illuminate\Database\Eloquent\Model;

class Painter extends Model
{
    protected $table = 'demo_painters';

    public function paintings()
    {
        return $this->hasMany(Painting::class, 'painter_id');
    }
}

app/Models/Demo/Painting.php

<?php

namespace App\Models\Demo;

use Illuminate\Database\Eloquent\Model;

class Painting extends Model
{
    protected $table = 'demo_paintings';

    protected $fillable = ['title', 'body', 'completed_at'];

    public function painter()
    {
        return $this->belongsTo(Painter::class, 'painter_id');
    }
}

表结构

CREATE TABLE `demo_painters` (
  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
  `username` varchar(255) COLLATE utf8_unicode_ci NOT NULL,
  `bio` varchar(255) COLLATE utf8_unicode_ci NOT NULL,
  `created_at` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00',
  `updated_at` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;

CREATE TABLE `demo_paintings` (
  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
  `painter_id` int(10) unsigned NOT NULL,
  `title` varchar(255) COLLATE utf8_unicode_ci NOT NULL,
  `body` text COLLATE utf8_unicode_ci NOT NULL,
  `completed_at` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00',
  `created_at` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00',
  `updated_at` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00',
  PRIMARY KEY (`id`),
  KEY painter_id (`painter_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;

-END-