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pt = 'd:\photo\'; % 路径
pre = 'mypic'; % 文件名前缀
ext = '.jpg'; % 文件扩展名
n = 50;
for i = 1:n
nm = num2str(i);
if length(nm)==1
nm = ['0' nm];
end
nm1 = [pt nm ext];
nm2 = [pt pre nm ext];
copyfile(nm1,nm2);
end