//在合并单元格前，将Application.DisplayAlerts 设置为False
lo_myole.Application.DisplayAlerts = False//lo_myole是导出excel时，创建的OLE对象
//合并单元格后，设置为True
lo_myole.Application.DisplayAlerts = True
//在合并单元格前，将Application.DisplayAlerts 设置为False
lo_myole.Application.DisplayAlerts = False//lo_myole是导出excel时，创建的OLE对象
//合并单元格后，设置为True
lo_myole.Application.DisplayAlerts = True