初始版本

server/app/api/logic/CityLogic.php

@@ -0,0 +1,44 @@
+<?php
+namespace app\api\logic;
+use app\common\model\city\City;
+
+class CityLogic
+{
+
+    /**
+     * @notes 获取城市列表
+     * @return array
+     * @throws \think\db\exception\DataNotFoundException
+     * @throws \think\db\exception\DbException
+     * @throws \think\db\exception\ModelNotFoundException
+     * @author cjhao
+     * @date 2024/10/6 17:49
+     */
+    public function getCityLists()
+    {
+        $lists = City::where(['level'=>2])->select()->toArray();
+        $cityLists = [];
+        foreach ($lists as $city){
+            $parent = $cityLists[$city['parent_id']] ?? [];
+            if($parent){
+                $parent['sons'][] =[
+                    'id'    => $city['city_id'],
+                    'name'  => $city['name'],
+                ];
+            }else{
+                $parent = [
+                    'id'    => $city['parent_id'],
+                    'name'  => $city['parent_name'],
+                    'sons'  => [
+                        [
+                            'id'    => $city['city_id'],
+                            'name'  => $city['name'],
+                        ],
+                    ],
+                ];
+            }
+            $cityLists[$city['parent_id']] = $parent;
+        }
+        return array_values($cityLists);
+    }
+}