first commit

金壶/ydyd_service/application/common/model/AreaModel.php

@@ -0,0 +1,25 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: typ
+ * Date: 2019/1/3
+ * Time: 14:45
+ */
+
+namespace app\common\model;
+
+use think\Model;
+
+class AreaModel extends Model
+{
+
+	public function parent()
+	{
+		return $this->belongsTo(AreaModel::class, 'parent_area_id')->field('id, area_name, parent_area_id');
+	}
+
+	public function childs()
+	{
+		return $this->hasMany(AreaModel::class, 'parent_area_id')->field('id, area_name, parent_area_id');
+	}
+}