From 9326e0a8e8e8837c5139489380e5e32d9f165d9b Mon Sep 17 00:00:00 2001
From: xiaoCJ <406612557@qq.com>
Date: Thu, 9 May 2024 09:04:17 +0800
Subject: [PATCH] =?UTF-8?q?=E8=87=AA=E5=8A=A8=E7=94=9F=E6=88=90=E9=85=8D?=
 =?UTF-8?q?=E7=BD=AE=E6=96=87=E4=BB=B6=E5=92=8Cmapper=20xml?=
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---
 .../financial_bigdata/controller/tea/UserController.java     | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/sztzjy/financial_bigdata/controller/tea/UserController.java b/src/main/java/com/sztzjy/financial_bigdata/controller/tea/UserController.java
index 34a5502..652c34f 100644
--- a/src/main/java/com/sztzjy/financial_bigdata/controller/tea/UserController.java
+++ b/src/main/java/com/sztzjy/financial_bigdata/controller/tea/UserController.java
@@ -234,7 +234,10 @@ public class UserController {
         if (!map.isEmpty()) {
             for (Map.Entry<String, StuClass> stringStuClassEntry : map.entrySet()) {
                 StuClass stuClass = stringStuClassEntry.getValue();
-                classMapper.insert(stuClass);
+                StuClass stuClass1 = classMapper.selectByPrimaryKey(stuClass.getClassId());
+                if (stuClass1 == null) {
+                    classMapper.insert(stuClass);
+                }
             }
         }
         if (users.isEmpty()) {