From 232d3efb20f87f9c60faeda7bae4bc96e5687bd3 Mon Sep 17 00:00:00 2001
From: 44323 <443237572@qq.com>
Date: 星期三, 11 十月 2023 19:19:47 +0800
Subject: [PATCH] 10.12

---
 cloud-server-management/src/main/java/com/dsh/guns/modular/system/controller/code/TCityController.java |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/cloud-server-management/src/main/java/com/dsh/guns/modular/system/controller/code/TCityController.java b/cloud-server-management/src/main/java/com/dsh/guns/modular/system/controller/code/TCityController.java
index 6b2ba0f..7f0e88c 100644
--- a/cloud-server-management/src/main/java/com/dsh/guns/modular/system/controller/code/TCityController.java
+++ b/cloud-server-management/src/main/java/com/dsh/guns/modular/system/controller/code/TCityController.java
@@ -3,6 +3,7 @@
 import cn.hutool.crypto.SecureUtil;
 import com.alibaba.nacos.common.utils.Md5Utils;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.dsh.course.entity.City;
 import com.dsh.course.feignClient.account.CityClient;
@@ -171,9 +172,13 @@
     @RequestMapping(value = "/onChange")
     @ResponseBody
     public Object onChange(Integer oneId) {
+        if (oneId == null) {
+            return null;
+        }
         try {
             TCity one = cityService.getOne(new LambdaQueryWrapper<TCity>().eq(TCity::getCode, oneId));
-            return cityService.list(new LambdaQueryWrapper<TCity>().eq(TCity::getParentId,one.getId()));
+            QueryWrapper<TCity> query = new QueryWrapper<TCity>().eq("parent_id", one.getId());
+            return cityService.list(query);
         }catch (Exception e){
             e.printStackTrace();
             return ERROR;

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