feat(pl): add Excel export for carrier list

Add backend /transport/carrier/export and wire ListExportDropdown on the carrier page.

Co-authored-by: Cursor <cursoragent@cursor.com>

web-admin/src/api/pl/index.ts

@@ -46,6 +46,8 @@ export interface CarrierQuery {
 export const carrierApi = {
   list: (params?: CarrierQuery) =>
     request.get<PlListResponse<Carrier>>('/transport/carrier', { params }),
+  export: (data: Record<string, any>) =>
+    request.post('/transport/carrier/export', data, { responseType: 'blob' }),
   get: (id: string) => request.get<Carrier>(`/transport/carrier/${id}`),
   create: (data: Partial<Carrier>) => request.post<Carrier>('/transport/carrier', data),
   update: (id: string, data: Partial<Carrier>) => request.put<Carrier>(`/transport/carrier/${id}`, data),

web-admin/src/views/pl/carrier/index.vue

@@ -63,6 +63,15 @@
             <el-icon><Delete /></el-icon>删除
           </el-button>
 
+          <ListExportDropdown
+            :export-fn="carrierApi.export"
+            :get-filter-params="getCarrierExportFilterParams"
+            :has-selection="true"
+            :selected-ids="selectedRows.map((r) => r.id)"
+            :visible-columns="carrierExportColumns"
+            filename="承运商列表.xlsx"
+          />
+
           <ListToolbarEndActions
             :loading="loading"
             :column-defs="listColumnDefs"
@@ -320,6 +329,7 @@ import AttachmentUploadField from '@/components/business/attachment-upload-field
 import PlCarrierListAttachmentCell from '@/components/business/pl-carrier-list-attachment-cell/index.vue'
 import PlCarrierViewDialog from '@/components/business/pl-carrier-view-dialog/index.vue'
 import ListToolbarEndActions from '@/components/business/list-toolbar-end-actions/index.vue'
+import ListExportDropdown from '@/components/business/list-export-dropdown/index.vue'
 import ListQuickSearchInput from '@/components/business/list-quick-search-input/index.vue'
 import { usePersistedListColumns } from '@/composables/usePersistedListColumns'
 import { useDbInstantSearch } from '@/composables/useDbInstantSearch'
@@ -352,6 +362,21 @@ const {
 const submitLoading = ref(false)
 const carrierList = ref<Carrier[]>([])
 const selectedRows = ref<Carrier[]>([])
+
+function getCarrierExportFilterParams() {
+  const quick = quickSearchKeyword.value?.trim()
+  return {
+    q: quick || searchForm.q || undefined,
+    status: searchForm.status || undefined
+  }
+}
+
+const carrierExportColumns = computed(() => {
+  const cols = [...visibleColumns.value]
+  if (!cols.includes('carrierName')) cols.unshift('carrierName')
+  return cols
+})
+
 const dialogVisible = ref(false)
 const dialogTitle = ref('')
 const formRef = ref()