fix: correct excel export formatting (timezone, spec, user, location) and add auto-polling for collaborative stocktake

inventory-web/src/views/stock/stocktake/index.vue

@@ -349,7 +349,7 @@
 </template>
 
 <script setup lang="ts">
-import { ref, computed, onMounted, nextTick } from 'vue'
+import { ref, computed, onMounted, onUnmounted, nextTick } from 'vue'
 import { getAllStock } from '@/api/inbound/stock'
 import QrScanner from '@/components/QrScanner/index.vue'
 import { ElMessage, ElMessageBox } from 'element-plus'
@@ -418,6 +418,51 @@ const currentItem = ref<StockItem | null>(null)
 const inputQty = ref<number | undefined>(undefined)
 const qtyInputRef = ref()
 
+// ★ 新增: 多人协同心跳刷新定时器
+let syncTimer: any = null
+
+// ★ 新增: 静默刷新数据（不弹loading）
+const syncData = async () => {
+  try {
+    // 仅刷新差异列表数据，不显示loading
+    const res = await getAllStock()
+    if (!res) return
+    
+    const processItem = (item: any, type: string) => {
+      const stock = parseFloat(item.stock_quantity || item.qty_stock || 0)
+      if (stock <= 0) return
+      const name = item.material_name || item.product_name || item.name || '未知物品'
+      const uuid = item.uuid || item.sku || ''
+      const isScanned = scannedMap.value.has(uuid)
+      return {
+        ...item,
+        name: name,
+        standard: item.spec_model || item.standard || item.model || '',
+        sku: item.sku || '',
+        uuid: uuid,
+        bar_code: item.bar_code || item.barcode || '',
+        qty_stock: stock,
+        qty_actual: isScanned ? scannedMap.value.get(uuid)! : 0,
+        scanned: isScanned,
+        uniqueKey: `${type}_${item.id}`,
+        source_table: typeToSourceTable(type),
+        stock_id: item.id
+      }
+    }
+
+    const list: StockItem[] = []
+    if (res.materials) res.materials.forEach((i: any) => { const item = processItem(i, 'material'); if (item) list.push(item) })
+    if (res.semis) res.semis.forEach((i: any) => { const item = processItem(i, 'semi'); if (item) list.push(item) })
+    if (res.products) res.products.forEach((i: any) => { const item = processItem(i, 'product'); if (item) list.push(item) })
+    
+    // 静默更新数据（不触发loading）
+    allData.value = list
+    await fetchBorrowedQuantities(list)
+  } catch (e) {
+    // 静默失败，不弹错误
+  }
+}
+
 const api = {
   getDrafts: (sessionId?: string) => request({
     url: '/v1/inbound/stock/draft/list',
@@ -498,6 +543,18 @@ async function fetchBorrowedQuantities(items: StockItem[]): Promise<void> {
 
 onMounted(async () => {
   await checkServerDraft()
+  // ★ 启动多人协同心跳轮询（每5秒静默刷新）
+  syncTimer = setInterval(() => {
+    syncData()
+  }, 5000)
+})
+
+// ★ 新增: 组件卸载时清除定时器
+onUnmounted(() => {
+  if (syncTimer) {
+    clearInterval(syncTimer)
+    syncTimer = null
+  }
 })
 
 const checkServerDraft = async () => {