判断班级编号是否已经存在,并抛出异常

web/src/main/java/com/ibeetl/jlw/service/SchoolClassService.java

@@ -89,6 +89,6 @@ public class SchoolClassService extends CoreBaseService<SchoolClass>{
         // 如果存在的话，属于异常数据
         String errorClassSns = CollectionUtil.emptyIfNull(existsList).stream().collect(Collectors.joining(","));
         // 构建异常信息，传给前端
-        Assert.isTrue(StrUtil.isBlank(errorClassSns), "已存在的班级编号：\"{}\"，请修改后再进行上传！", errorClassSns);
+        Assert.isTrue(StrUtil.isBlank(errorClassSns), "已存在的班级编号：\"{}\"，请修改后再进行提交！", errorClassSns);
     }
 }

web/src/main/resources/templates/jlw/schoolClass/add.html

@@ -44,6 +44,16 @@
             <!--<button type="button" class="layui-btn layui-btn-sm rightUniversitySystemAdd bg_button">去添加</button>-->
         </div>
     </div>
+    <div class="layui-row">
+        <div class="layui-form-item">
+            <div class="layui-inline">
+                <label class="layui-form-label"><span class="req">*</span>班级编号：</label>
+                <div class="layui-input-inline">
+                    <input type="text" name="classSn" value="${schoolClass.classSn}" class="layui-input" lay-verify="required">
+                </div>
+            </div>
+        </div>
+    </div>
     <!--#}else if(isSignRole.get()!'' == 1){ -->
     <div class="layui-row">
         <div class="layui-form-item">