feat: 产品

refactor: 产品详情页seo

app/index/model/ProductPurchaseLinkModel.php

@@ -0,0 +1,28 @@
+<?php
+declare (strict_types = 1);
+
+namespace app\index\model;
+
+use app\common\model\ProductPurchaseLinkBaseModel;
+
+/**
+ * 产品购买链接模型
+ * @mixin \think\Model
+ */
+class ProductPurchaseLinkModel extends ProductPurchaseLinkBaseModel
+{
+    // 关联购买平台
+    public function platform()
+    {
+        return $this->hasOne(ProductPurchasePlatformModel::class, 'id', 'platform_id');
+    }
+
+    // 所属产品范围查询
+    public function scopeByProductId($query, $product_id)
+    {
+        if (is_array($product_id)) {
+            return $query->where('product_id', 'IN', $product_id);
+        }
+        return $query->where('product_id', '=', $product_id);
+    }
+}