feat: 调整余额支持用户搜索选择（昵称/openid前缀，不再需要手打28位完整openid）+ API前缀匹配

admin/src/views/VpayOrders.vue

@@ -102,9 +102,21 @@
     </el-dialog>
 
     <!-- 调整余额 -->
-    <el-dialog v-model="adjustDlg" title="调整用户余额" width="400px">
+    <el-dialog v-model="adjustDlg" title="调整用户余额" width="440px">
       <el-form label-width="80px">
-        <el-form-item label="OpenID"><el-input v-model="adjustForm.openid" placeholder="用户openid" /></el-form-item>
+        <el-form-item label="搜索用户">
+          <el-input v-model="adjustForm.search" placeholder="输入昵称或openid前8位" clearable
+            @input="searchUsers" style="width:100%" />
+          <div v-if="searchResults.length" class="search-results">
+            <div v-for="u in searchResults" :key="u._id" class="search-item" @click="pickUser(u)">
+              <span>{{ u.nickname || '未命名' }}</span>
+              <small>{{ (u.openid||'').slice(0,14) }}… | 星尘 {{ u.vpayCoins || 0 }}</small>
+            </div>
+          </div>
+          <div v-if="pickedUser" class="picked-user">
+            ✓ {{ pickedUser.nickname || '未命名' }} | 星尘 {{ pickedUser.vpayCoins || 0 }}
+          </div>
+        </el-form-item>
         <el-form-item label="变动值">
           <el-input-number v-model="adjustForm.amount" :min="-100000" :max="100000" />
           <span style="margin-left:8px;font-size:12px;color:#999">正=赠送 负=扣减</span>
@@ -113,7 +125,7 @@
       </el-form>
       <template #footer>
         <el-button @click="adjustDlg = false">取消</el-button>
-        <el-button type="primary" @click="doAdjust">确认</el-button>
+        <el-button type="primary" :disabled="!pickedUser" @click="doAdjust">确认</el-button>
       </template>
     </el-dialog>
   </div>
@@ -134,7 +146,28 @@ const refundCoins = computed(() => {
   if (!o) return 0
   return o.metadata?.coins || Math.round((o.amount || 0) * 100)
 })
-const adjustDlg = ref(false), adjustForm = ref({ openid: '', amount: 100, reason: '' })
+const adjustDlg = ref(false), adjustForm = ref({ search: '', amount: 100, reason: '' })
+const searchResults = ref([]), pickedUser = ref(null)
+let searchTimer = null
+
+function searchUsers() {
+  if (searchTimer) clearTimeout(searchTimer)
+  pickedUser.value = null
+  searchResults.value = []
+  const kw = adjustForm.value.search?.trim()
+  if (!kw || kw.length < 2) return
+  searchTimer = setTimeout(async () => {
+    try {
+      const r = await apiGet(`/api/admin/users?search=${encodeURIComponent(kw)}&limit=5`)
+      searchResults.value = (r.items || []).slice(0, 5)
+    } catch (e) {}
+  }, 300)
+}
+function pickUser(u) {
+  pickedUser.value = u
+  searchResults.value = []
+  adjustForm.value.search = u.nickname || (u.openid||'').slice(0,12)
+}
 
 function fmt(t) { return t ? new Date(t).toLocaleString('zh-CN', { hour12: false }) : '—' }
 
@@ -173,10 +206,17 @@ async function doRefund() {
   }
 }
 async function doAdjust() {
+  if (!pickedUser.value) return ElMessage.warning('请先搜索并选择用户')
   try {
-    await apiPost('/api/admin/vpay/adjust', adjustForm.value)
-    ElMessage.success('调整成功')
+    await apiPost('/api/admin/vpay/adjust', {
+      openid: pickedUser.value.openid,
+      amount: adjustForm.value.amount,
+      reason: adjustForm.value.reason,
+    })
+    ElMessage.success(`调整成功：${pickedUser.value.nickname || '用户'} ${(adjustForm.value.amount > 0 ? '+' : '') + adjustForm.value.amount} 星尘`)
     adjustDlg.value = false
+    pickedUser.value = null
+    adjustForm.value = { search: '', amount: 100, reason: '' }
     loadLedger(); loadStats()
   } catch (e) { ElMessage.error(e.message || '调整失败') }
 }
@@ -192,3 +232,22 @@ onMounted(() => { loadStats(); load(); loadLedger() })
 .scard i { font-size: 11px; color: #a6abbb; font-style: normal; }
 .toolbar { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
 </style>
+
+<style scoped>
+.search-results {
+  position: absolute; top: 100%; left: 0; right: 0; z-index: 10;
+  background: #fff; border: 1px solid #e4e7ed; border-radius: 6px;
+  box-shadow: 0 4px 12px rgba(0,0,0,.1); max-height: 200px; overflow-y: auto;
+}
+.search-item {
+  padding: 8px 12px; cursor: pointer; display: flex; flex-direction: column; gap: 2px;
+  border-bottom: 1px solid #f5f7fa;
+}
+.search-item:hover { background: #f5f7fa; }
+.search-item small { color: #999; font-size: 11px; }
+.picked-user {
+  margin-top: 6px; padding: 6px 10px; background: #f0f9eb;
+  border: 1px solid #e1f3d8; border-radius: 6px; font-size: 13px; color: #67c23a;
+}
+.el-form-item { position: relative; }
+</style>

server/src/routes/admin.js

@@ -1339,8 +1339,14 @@ router.post('/vpay/adjust', requirePermission('orders:write'), async (req, res)
   try {
     const { openid, amount, reason } = req.body
     if (!openid || !amount || Math.abs(amount) > 100000) return ApiResponse.error(res, '参数无效', 400)
-    const user = await User.findOne({ openid })
-    if (!user) return ApiResponse.notFound(res, '用户不存在')
+    // 支持前缀匹配：输入至少8位openid前缀即可（完整openid有28位，手打太长）
+    let user = await User.findOne({ openid })
+    if (!user && openid.length >= 8) {
+      const matches = await User.find({ openid: { $regex: '^' + openid } }).limit(5)
+      if (matches.length === 1) user = matches[0]
+      else if (matches.length > 1) return ApiResponse.error(res, `匹配到 ${matches.length} 个用户，请输入更多字符`, 400)
+    }
+    if (!user) return ApiResponse.notFound(res, '用户不存在（支持输入openid前8位以上）')
 
     user.vpayCoins = (user.vpayCoins || 0) + amount
     await user.save()