自动生成配置文件和mapper xml

src/main/java/com/sztzjy/financial_bigdata/controller/tea/UserController.java

@@ -234,9 +234,12 @@ public class UserController {
         if (!map.isEmpty()) {
             for (Map.Entry<String, StuClass> stringStuClassEntry : map.entrySet()) {
                 StuClass stuClass = stringStuClassEntry.getValue();
+                StuClass stuClass1 = classMapper.selectByPrimaryKey(stuClass.getClassId());
+                if (stuClass1 == null) {
                     classMapper.insert(stuClass);
                 }
             }
+        }
         if (users.isEmpty()) {
             return "账号已全部存在";
         }