商圈获取省市区封装

application/index/controller/BusinessDistrict.php

@@ -116,20 +116,9 @@ class BusinessDistrict extends Basic
      * @throws \think\exception\DbException
      */
     public function regions() {
-        $code = $this->request->get('code');
-        $parent_code = $this->request->get('parent_code');
+        $params = $this->request->param();
         $regions = new Regions();
-
-        if ($code) {
-            $where = 'code = '.$code;
-        } elseif ($parent_code) {
-            $where = 'parentCode = '.$parent_code;
-        } else {
-            $type = $this->request->get('type') ? $this->request->get('type') : 1;
-            $where = 'type = '.$type;
-        }
-        $fields = 'code,parentCode,name';
-        $data = $regions->field($fields)->where($where)->select();
+        $data = $regions->getRegions($params['code'], $params['parent_code'], $params['type']);
         return $this->response(200, '', $data);
     }
 }
\ No newline at end of file

application/model/Regions.php

@@ -6,5 +6,27 @@ use think\Model;
 
 class Regions extends Model
 {
-    //
+    /**
+     * 根据code或parent_code获取省市区
+     *
+     * @param $code
+     * @param string $parent_code
+     * @return false|\PDOStatement|string|\think\Collection
+     * @throws \think\db\exception\DataNotFoundException
+     * @throws \think\db\exception\ModelNotFoundException
+     * @throws \think\exception\DbException
+     */
+    public function getRegions($code, $parent_code = '', $type = 1){
+        if ($code) {
+            $where = 'code = '.$code;
+        } elseif ($parent_code) {
+            $where = 'parentCode = '.$parent_code;
+        } else {
+            $type = $type ? $type:1;
+            $where = 'type = '.$type;
+        }
+        $fields = 'code,parentCode,name';
+        $data = $this->field($fields)->where($where)->select();
+        return $data;
+    }
 }