若干前端bug修复

frontend/src/views/student/statusChange/index.vue

@@ -106,9 +106,6 @@
       @update:visible="val => formDialogVisible = val"
     >
       <el-form ref="formRef" :model="form" :rules="formRules" label-width="110px" class="add-form">
-        <el-form-item label="编号" prop="bh">
-          <el-input v-model="form.bh" placeholder="请输入编号" :disabled="!isAdd" />
-        </el-form-item>
         <el-form-item label="学号" prop="xh">
           <el-input
             ref="studentNoInput"
@@ -134,11 +131,6 @@
         <el-form-item label="备注">
           <el-input v-model="form.bz" type="textarea" :rows="3" placeholder="请输入备注" />
         </el-form-item>
-        <el-form-item label="状态" prop="zt">
-          <el-select v-model="form.zt" placeholder="请选择状态" class="w-full">
-            <el-option v-for="(item, key) in statusMap" :key="key" :label="item.label" :value="Number(key)" />
-          </el-select>
-        </el-form-item>
       </el-form>
       <div slot="footer">
         <el-button @click="formDialogVisible = false">取消</el-button>
@@ -270,11 +262,13 @@ export default {
       verifiedStudentNo: '',
       form: this.createEmptyForm(),
       formRules: {
-        bh: [{ required: true, message: '请输入编号', trigger: 'blur' }],
-        xh: [{ required: true, message: '请输入学号', trigger: 'blur' }],
+        xh: [
+          { required: true, message: '请输入学号', trigger: 'blur' },
+          { max: 50, message: '学号不能超过50个字符', trigger: 'blur' },
+          { pattern: /^[A-Za-z0-9]+$/, message: '学号只能包含字母和数字', trigger: 'blur' }
+        ],
         sqlx: [{ required: true, message: '请选择申请类型', trigger: 'change' }],
-        sy: [{ required: true, message: '请输入事由', trigger: 'blur' }],
-        zt: [{ required: true, message: '请选择状态', trigger: 'change' }]
+        sy: [{ required: true, message: '请输入事由', trigger: 'blur' }]
       },
 
       // ==================== 详情 ====================
@@ -543,11 +537,16 @@ export default {
     buildPayload() {
       const f = this.form
       const payload = {
-        bh: f.bh,
         xybh: f.xybh,
         sqlx: f.sqlx,
-        sy: f.sy,
-        zt: Number(f.zt)
+        sy: f.sy
+      }
+      // 新增编号和状态由后端生成；编辑时仅回传记录定位编号和原状态。
+      if (!this.isAdd) {
+        payload.bh = f.bh
+        if (f.zt !== null && f.zt !== undefined && f.zt !== '') {
+          payload.zt = Number(f.zt)
+        }
       }
       // 备注留空则移除
       if (f.bz !== '' && f.bz !== null && f.bz !== undefined) {