附加到xls文件所涉及的挑战是知道其最后一行，以避免使用xlswrite命令覆盖数据.我建议您看一下此文件交换提交 XLSAPPEND ，因为它会帮您解决这个问题.

The challenge involved in appending to a xls file is knowing its last row, to avoid overwriting data with the xlswrite command. I'd suggest taking a look at this file exchange submission XLSAPPEND, as it takes care of this for you.