objExcelWorkBook = Excel.BindBook("工作簿1")
objRet = Excel.ReadCell(objExcelWorkBook,"Sheet1","B1",true)
TracePrint($PrevResult)
Excel.WriteCell(objExcelWorkBook,"Sheet1","D1","我改",false)

其实就是合并单元格中最左上那个，具体其实点中单元格后，看左上的“名称框”