laravel-admin利用ModelTree实现对分类信息的管理

生成模型和迁移文件

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1	php artisan make:model Models/Shoping/Category -m

app/Models/Shoping/Category.php

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<?php   namespace App\Models\Shoping;   use Encore\Admin\Traits\AdminBuilder; use Encore\Admin\Traits\ModelTree; use Illuminate\Database\Eloquent\Model;   /**   *   * Class Category   * @package App\Models\Shoping   */     class Category extends Model {    //    use ModelTree, AdminBuilder;    protected $table = "shoping_categories" ;    public function __construct( array $attributes = [])    {      parent::__construct( $attributes );      $this ->setTitleColumn( "name" );    } }

迁移文件

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class CreateCategoriesTable extends Migration {    /**     * Run the migrations.     *     * @return void     */    public function up()    {      Schema::create( 'shoping_categories' , function (Blueprint $table ) {        $table ->increments( 'id' );        $table ->integer( 'parent_id' )->unsigned()->nullable();        $table ->string( 'name' );        $table ->string( 'description' )->nullable();        $table ->integer( 'order' )->unsigned();        $table ->timestamps();      });    }      /**     * Reverse the migrations.     *     * @return void     */    public function down()    {      Schema::dropIfExists( 'shoping_categories' );    } }

生成控制器

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1	php artisan admin:make CategoriesController --model=App\Models\Shoping\Category

app/Admin/Controllers/CategoriesController.php

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use App\Models\Shoping\Category; use Encore\Admin\Controllers\AdminController; use Encore\Admin\Form; use Encore\Admin\Grid; use Encore\Admin\Layout\Column; use Encore\Admin\Layout\Content; use Encore\Admin\Layout\Row; use Encore\Admin\Show; use Encore\Admin\Tree; use Encore\Admin\Widgets\Box;   class CategoriesController extends AdminController {      public function index(Content $content )    {      return $content ->title( $this ->title)        ->description( "分类列表" )        ->row( function (Row $row ) {          $row ->column(6, $this ->treeView()->render());          $row ->column(6, function (Column $column ) {            $form = new Form();            $form ->select( 'parent_id' , "父类名称" )->options(Category::selectOptions());            $form ->text( 'name' , __( 'Name' ));            $form ->text( 'description' , __( 'Description' ));            $form ->number( 'order' , '排序序号' )-> default (0);            $column ->append(( new Box(trans( 'admin.new' ), $form ))->style( 'success' ));          });          });      }      protected function treeView()    {      return Category::tree( function (Tree $tree ) {        $tree ->disableCreate();        return $tree ;      });    }

添加路由

app/admin/routes.php

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1	$router ->resource( 'categories' ,CategoryController:: class );

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。

原文链接：https://segmentfault.com/a/1190000021613850