1 public static void main(String[] args)throws Exception {
2
3 FileInputStream fi=new FileInputStream("e:/retire.png");
4 BufferedInputStream in=new BufferedInputStream(fi);
5 FileOutputStream fo=new FileOutputStream("d:/ss.png");
6 BufferedOutputStream out=new BufferedOutputStream(fo);
7 byte[] buf=new byte[1024];
8 int len=in.read(buf);//读文件，将读到的内容放入到buf数组中，返回的是读到的长度
9
10 while(len!=-1){
11 out.write(buf, 0, len);
12 len=in.read(buf);
13 }
14 out.close();
15 fo.close();
16 in.close();
17 fi.close();
18 }
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