feat(web): 申请页改用中文姓名，前端转拼音提交

- ApplyView 的'姓名'字段（2~10 个汉字）替代自定义用户名
- 前端经 pinyin-pro（toneType:none + surname:head 处理姓氏多音字）转拼音作为用户名
- 提交前兜底校验拼音用户名长度（后端规则 [a-z][a-z0-9]{1,31}）
- alert 文案改为实时预览 '通过后自动创建账号 ext_<username>'
- 新增依赖 pinyin-pro@3.29.3

web/package-lock.json

@@ -12,6 +12,7 @@
         "axios": "^1.7.9",
         "element-plus": "^2.9.3",
         "pinia": "^2.3.1",
+        "pinyin-pro": "^3.29.3",
         "vue": "^3.5.13",
         "vue-router": "^4.5.0"
       },
@@ -1830,6 +1831,12 @@
         }
       }
     },
+    "node_modules/pinyin-pro": {
+      "version": "3.29.3",
+      "resolved": "https://registry.npmjs.org/pinyin-pro/-/pinyin-pro-3.29.3.tgz",
+      "integrity": "sha512-+UU9bx6vfDw8amOJGHm0TE0rdQl8VPylsDWviQ5OOQ3e+on1xRP4OqDbiDuMT5OISgvfl/Y6ez1BBRaIP80GLQ==",
+      "license": "MIT"
+    },
     "node_modules/postcss": {
       "version": "8.5.26",
       "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.26.tgz",

web/package.json

@@ -14,6 +14,7 @@
     "axios": "^1.7.9",
     "element-plus": "^2.9.3",
     "pinia": "^2.3.1",
+    "pinyin-pro": "^3.29.3",
     "vue": "^3.5.13",
     "vue-router": "^4.5.0"
   },

web/src/views/ApplyView.vue

@@ -1,26 +1,24 @@
 <script setup lang="ts">
-import { reactive, ref } from 'vue'
+import { computed, reactive, ref } from 'vue'
 import { useRouter } from 'vue-router'
 import { ElMessage } from 'element-plus'
+import { pinyin } from 'pinyin-pro'
 import * as api from '@/api'
 
 const router = useRouter()
 const submitting = ref(false)
 const form = reactive({
-  username: '',
+  realName: '', // 中文姓名，提交时转换为拼音作为用户名
   email: '',
   supervisor: '',
   purpose: '',
 })
 
+// 前端校验：中文姓名、邮箱、挂靠老师、用途均在前端完成
 const rules = {
-  username: [
-    { required: true, message: '请输入用户名', trigger: 'blur' },
-    {
-      pattern: /^[a-z][a-z0-9_]{1,30}$/,
-      message: '小写字母开头，仅小写字母/数字/下划线，2~31 位',
-      trigger: 'blur',
-    },
+  realName: [
+    { required: true, message: '请输入中文姓名', trigger: 'blur' },
+    { pattern: /^[\u4e00-\u9fa5]{2,10}$/, message: '请输入 2~10 个汉字', trigger: 'blur' },
   ],
   email: [
     { required: true, message: '请输入邮箱', trigger: 'blur' },
@@ -32,21 +30,44 @@ const rules = {
 
 const formRef = ref()
 
+// 姓名 → 拼音（小写、无空格；首字按姓氏读音处理多音字）
+function nameToPinyin(name: string): string {
+  const parts = pinyin(name, { toneType: 'none', type: 'array', surname: 'head' })
+  return parts.join('')
+}
+
+// 实时预览将创建的账号名；姓名非法或未输入时返回空
+const accountPreview = computed(() => {
+  const n = form.realName.trim()
+  if (!/^[\u4e00-\u9fa5]{2,10}$/.test(n)) return ''
+  return `ext_${nameToPinyin(n)}`
+})
+
+// 提交前的前端校验（姓名→拼音合法性兜底，防止姓名过长）
+function validUsername(uname: string): boolean {
+  return /^[a-z][a-z0-9]{1,31}$/.test(uname)
+}
+
 async function onSubmit() {
   const valid = await formRef.value?.validate().catch(() => false)
   if (!valid) return
+  const uname = nameToPinyin(form.realName.trim())
+  if (!validUsername(uname)) {
+    ElMessage.warning('姓名拼音过长，无法生成可用账号，请联系管理员')
+    return
+  }
   submitting.value = true
   try {
     await api.submitApproval({
-      username: form.username.trim(),
+      username: uname,
       email: form.email.trim(),
       supervisor: form.supervisor.trim(),
       purpose: form.purpose.trim(),
     })
     ElMessage.success('申请已提交，等待管理员审批（结果将邮件通知）')
-    Object.assign(form, { username: '', email: '', supervisor: '', purpose: '' })
+    Object.assign(form, { realName: '', email: '', supervisor: '', purpose: '' })
   } catch {
-    // 拦截器已提示（如用户名已被占用）
+    // 拦截器已提示（如拼音与已有申请重名）
   } finally {
     submitting.value = false
   }
@@ -65,14 +86,14 @@ async function onSubmit() {
       </div>
 
       <el-alert type="info" :closable="false" show-icon class="apply-tip">
-        通过后自动创建账号（用户名将带 <code>ext_</code> 前缀）。
+        通过后自动创建账号 {{ accountPreview || 'ext_<username>' }}
       </el-alert>
 
       <el-divider />
 
       <el-form ref="formRef" :model="form" :rules="rules" label-width="90px" @submit.prevent="onSubmit">
-        <el-form-item label="用户名" prop="username">
-          <el-input v-model="form.username" placeholder="如 zhangsan（自动成为 ext_zhangsan）" maxlength="31" />
+        <el-form-item label="姓名" prop="realName">
+          <el-input v-model="form.realName" placeholder="输入中文姓名，如 张三" maxlength="10" />
         </el-form-item>
         <el-form-item label="邮箱" prop="email">
           <el-input v-model="form.email" placeholder="接收通知与 OTP 验证码" />