兵马未动 粮草先行

src/views/basic/basicclass/form.vue

@@ -204,7 +204,8 @@ const dataRules = ref({
     { required: true, message: '学院不能为空', trigger: 'change' }
   ],
   classCode: [
-    { required: true, message: '班级代码不能为空', trigger: 'blur' }
+    { required: true, message: '班级代码不能为空', trigger: 'blur' },
+    { min: 4, message: '班级代码至少4位（班号取后4位）', trigger: 'blur' }
   ],
   classNo: [
     { required: true, message: '班号不能为空', trigger: 'blur' }
@@ -406,11 +407,11 @@ watch(() => form.enterDate, (newVal) => {
   }
 })
 
-// 监听班级代码,取后四位为班号
+// 监听班级代码,取后四位为班号（班级代码至少4位）
 watch(() => form.classCode, (newVal) => {
   if (newVal) {
     const length = newVal.length
-    if (length > 4) {
+    if (length >= 4) {
       // 只在新增模式下自动填充班号，编辑模式下如果班号为空才填充
       if (!form.id || !form.classNo) {
         form.classNo = newVal.substring(length - 4, length)

src/views/basic/basicclass/index.vue

@@ -196,7 +196,7 @@
             </el-tag>
           </template>
         </el-table-column>
-        <el-table-column label="操作" align="center" fixed="right" width="200">
+        <el-table-column label="操作" align="center" fixed="right" width="260">
           <template #default="scope">
             <el-button 
               icon="View"