添加事务

app/controller/User.php

@@ -239,11 +239,22 @@ class User extends BaseController
     {
         $userData = $this->request->userInfo;
 
-        $result = UserModel::transferBalance($userData['id']);
+        $connection = Db::connect();
+
+        try {
 
+            # 开启事务
+            $connection->startTrans();
+
+            $result = UserModel::transferBalance($userData['id']);
             if (!$result['status']) return $this->renderError($result['msg']);
 
+            $connection->commit();
             return $this->renderSuccess('成功');
+        } catch (\Exception $e) {
+            $connection->rollback();
+            return $this->renderError('操作失败');
+        }
     }
 
     /**