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modules/Mall/Http/Controllers/Admin/SpecController.php

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+<?php
+
+namespace Modules\Mall\Http\Controllers\Admin;
+
+use Encore\Admin\Form;
+use Encore\Admin\Form\NestedForm;
+use Encore\Admin\Grid;
+use Encore\Admin\Layout\Content;
+use Illuminate\Routing\Controller;
+use Modules\Mall\Models\Goods;
+use Modules\Mall\Models\GoodsSpec;
+
+class SpecController extends Controller
+{
+
+    public function index(Content $content, Goods $good): Content
+    {
+        return $content
+            ->header($good->name)
+            ->description('属性列表')
+            ->body($this->grid($good));
+    }
+
+    public function grid($good): Grid
+    {
+        $grid = new Grid(new GoodsSpec());
+
+        $grid->model()
+             ->where('goods_id', $good->id)
+             ->withCount('values');
+
+        $grid->column('name', '属性名称');
+        $grid->column('values_count', '属性值数量')
+             ->link(function () use ($good) {
+                 return route('admin.mall.goods.specs.values.index', [$good, $this]);
+             }, '_self');
+
+        return $grid;
+    }
+
+    public function create(Content $content, Goods $good): Content
+    {
+        return $content
+            ->header($good->name)
+            ->description('属性列表')
+            ->body($this->form($good));
+    }
+
+    public function form($good): Form
+    {
+        $form = new Form(new GoodsSpec());
+
+        $form->text('name', '属性名称');
+        $form->hidden('goods_id')->value($good->id);
+
+        $form->hasMany('values', '属性值列表', function (NestedForm $form) {
+            $form->text('value', '属性值');
+        });
+
+        return $form;
+    }
+
+    public function store(Goods $good)
+    {
+        return $this->form($good)->store();
+    }
+
+    public function edit(Content $content, Goods $good, GoodsSpec $spec): Content
+    {
+        return $content
+            ->header($good->name)
+            ->description('属性列表')
+            ->body($this->form($good)->edit($spec->id));
+    }
+
+    public function update(Goods $good, GoodsSpec $spec)
+    {
+        return $this->form($good)->update($spec->id);
+    }
+
+}