excel数据读取函数

[num, txt, raw, X] = xlsread(filename, sheet, range)  

filename, sheet, range

文件名，sheet名、范围  

num, txt, raw, X 输出  

excel数据写入函数：  

[status, message] =xlswrite(filename, M, sheet, range)  

filename, M, sheet, range

文件名，数据、sheet名、范围