用fopen 选项是'at+'比如 flag1为一个多行3列的cell型数据 str0=cell(1,3);for i=1:3 str0{i}=flag1(:,i);end s2='';for i=1:3 s2=strcat(s2,str0{i},',');end fid2 = fopen ('d:/flag.csv', 'at');for k=1:size(s2,1)fprintf(fid2,'%s\n',s2{k});end fc...