laravel-admin分类树/模型树

修改模型Category.php

namespace App\Admin\Models;

use Encore\Admin\Traits\AdminBuilder;
use Encore\Admin\Traits\ModelTree;
use Illuminate\Database\Eloquent\Model;

class Category extends Model
{
    use ModelTree, AdminBuilder;

    protected $table = 'category';

    public function __construct(array $attributes = [])
    {
        parent::__construct($attributes);
		//这里根据自己的字段修改
        $this->setParentColumn('parent_id');
        $this->setOrderColumn('sort');
        $this->setTitleColumn('name');
    }
 }

修改控制文件CategoryController.php

namespace App\Admin\Controllers;

use App\Admin\Models\Category;
use Encore\Admin\Controllers\AdminController;
use Encore\Admin\Facades\Admin;
use Encore\Admin\Layout\Content;
use Encore\Admin\Show;

class CategoryController extends AdminController
{
    /**
     * Title for current resource.
     *
     * @var string
     */
    protected $title = '商品分类管理';

    public function index(Content $content)
    {
        return Admin::content(function ($content) {
            $content->header('商品分类管理');
            $content->body(Category::tree(function ($tree) {
                $tree->branch(function ($branch) {
                    $src = config('admin.upload.host') . '/' . $branch['image'];
                    $logo = "";

                    return "{$branch['id']} - {$branch['name']} $logo";
                });
            }));
        });
    }
	//下面是自己的代码
	//.......
 }

添加路由app/Admin/routes.php

$router->resource('categories',CategoryController::class);

select中使用分类树

$form->select('parent_id', __('Parent id'))->options(Category::selectOptions())->default(1);