style：采集设备-设备属性去除“导出”按钮必选限制

src/views/iot/device/components/DeviceAttributeList.vue

@@ -240,14 +240,14 @@ const handleBatchDelete = async () => {
 
 /** 导出按钮操作 */
 const handleExport = async () => {
-  if (!selectedIds.value.length) {
-    message.error('请选择需要导出的数据')
-    return
-  }
   try {
     await message.exportConfirm()
     exportLoading.value = true
-    const data = await DeviceModelAttributeApi.exportDeviceModelAttribute({ ids: selectedIds.value.join(',') })
+    const params: any = {}
+    if (selectedIds.value.length) {
+      params.ids = selectedIds.value.join(',')
+    }
+    const data = await DeviceModelAttributeApi.exportDeviceModelAttribute(params)
     download.excel(data, '采集设备-点位管理.xls')
   } catch {
   } finally {