```[filename,filepath] = uigetfile('*.csv'); %选择导入的文
filep = strcat(filepath,filename); % 串联文件路径和文件名
fid = fopen(filep); %打开文件
row = 0;
while feof(fid) % 是否读取到文件结尾]=fgets(fid);
[
row=row+1;
end
Data = importdata(filep);% for csv file
fclose(fid); ```