feat: index - 首页及顶部导航处理

app/index/model/SysNavigationItemModel.php

@@ -0,0 +1,20 @@
+<?php
+declare (strict_types = 1);
+
+namespace app\index\model;
+
+use app\common\model\SysNavigationItemBaseModel;
+
+/**
+ * 导航项模型
+ * @mixin \think\Model
+ */
+class SysNavigationItemModel extends SysNavigationItemBaseModel
+{
+    // 关联导航
+    public function navigation()
+    {
+        return $this->hasOne(SysNavigationModel::class, 'id', 'nav_id');
+    }
+}
+