feat: 产品

refactor: 产品详情页seo

app/index/model/ProductModel.php

@@ -17,6 +17,28 @@ class ProductModel extends ProductBaseModel
     // 软件删除时间字段
     protected $deleteTime = 'deleted_at';
 
+    // 关联产品分类
+    public function category()
+    {
+        return $this->belongsTo(ProductCategoryModel::class, 'category_id', 'id');
+    }
+
+    // 关联sku
+    public function sku()
+    {
+        return $this->hasMany(ProductSkuModel::class, 'product_id', 'id');
+    }
+
+    // 所属分类范围查询
+    public function scopeByCategory($query, $category)
+    {
+        if (is_array($category)) {
+            $query->whereIn('category_id', $category);
+            return;
+        }
+        $query->where('category_id', '=', $category);
+    }
+
     // 所属语言范围查询
     public function scopeLanguage($query, $language)
     {