增加产品分类管理

app/Admin/Controllers/CategoryController.php

@@ -0,0 +1,82 @@
+<?php
+
+namespace App\Admin\Controllers;
+
+use App\Common\UserStatus;
+use App\Models\Category;
+use Dcat\Admin\Form;
+use Dcat\Admin\Grid;
+use Dcat\Admin\Layout\Content;
+use Dcat\Admin\Layout\Row;
+use Dcat\Admin\Show;
+use Dcat\Admin\Http\Controllers\AdminController;
+use Dcat\Admin\Tree;
+
+class CategoryController extends AdminController
+{
+	public function index(Content $content)
+	{
+		return $content->header('产品分类')
+			->body(function (Row $row) {
+				$tree = new Tree(new Category);
+				$tree->expand();
+				$tree->query(function ($model) {
+					//agent_id为0是系统分类，其它是代理商分类
+					return $model->where('agent_id', 0);
+				});
+				$row->column(12, $tree);
+			});
+	}
+
+    /**
+     * Make a grid builder.
+     *
+     * @return Grid
+     */
+    protected function grid()
+    {
+        return Grid::make(new Category(), function (Grid $grid) {
+            $grid->column('id')->sortable();
+            $grid->column('pid');
+            $grid->column('name');
+            $grid->column('sort');
+
+            $grid->filter(function (Grid\Filter $filter) {
+                $filter->equal('id');
+
+            });
+        });
+    }
+
+    /**
+     * Make a show builder.
+     *
+     * @param mixed $id
+     *
+     * @return Show
+     */
+    protected function detail($id)
+    {
+        return Show::make($id, new Category(), function (Show $show) {
+            $show->field('id');
+            $show->field('pid');
+            $show->field('name');
+            $show->field('sort');
+        });
+    }
+
+    /**
+     * Make a form builder.
+     *
+     * @return Form
+     */
+    protected function form()
+    {
+        return Form::make(new Category(), function (Form $form) {
+            $form->display('id');
+            $form->select('pid')->options(Category::selectOptions());
+            $form->text('name');
+            $form->text('sort')->default(255);
+        });
+    }
+}

app/Admin/Repositories/Category.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace App\Admin\Repositories;
+
+use App\Models\Category as Model;
+use Dcat\Admin\Repositories\EloquentRepository;
+
+class Category extends EloquentRepository
+{
+    /**
+     * Model.
+     *
+     * @var string
+     */
+    protected $eloquentClass = Model::class;
+}

app/Admin/routes.php

@@ -22,4 +22,5 @@ Route::group([
 	$router->resource('agent/audit', 'AgentController');
 	$router->resource('guide/list', 'GuideController');
 	$router->resource('guide/audit', 'GuideController');
+	$router->resource('category/list', 'CategoryController');
 });

app/Models/Category.php

@@ -2,15 +2,32 @@
 
 namespace App\Models;
 
+use Dcat\Admin\Traits\ModelTree;
+use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 
 class Category extends BaseModel
 {
     use HasFactory;
+	use ModelTree;
+
+	// 模型树需要的三个属性
+	protected $parentColumn = 'pid';
+	protected $orderColumn = 'sort';
+	protected $titleColumn = 'name';
 
     public function __construct(array $attributes = [])
 	{
 		parent::__construct($attributes);
 		$this->timestamps = false;
 	}
+
+	//覆盖父类，不按id desc排序
+	protected static function booted() { }
+
+	public static function selectOptions(\Closure $closure = null)
+	{
+		$options = (new static())->withQuery($closure)->buildSelectOptions();
+		return collect($options)->all();
+	}
 }

resources/lang/zh_CN/category.php

@@ -0,0 +1,15 @@
+<?php 
+return [
+    'labels' => [
+        'Category' => '产品分类',
+        'category' => '产品分类',
+    ],
+    'fields' => [
+        'agent_id' => '代理商ID',
+        'pid' => '上级ID',
+        'name' => '类目名称',
+        'sort' => '排序',
+    ],
+    'options' => [
+    ],
+];