package com.lucky.dog.springboot2.x.io;
import java.io.*;
public class CopyDirectoryOrFile {
public static void main(String[] args) {
File fileA = new File("F:\\mystudy\\test1\\aa");
File fileB = new File("F:\\mystudy\\testb\\gg");
copyDirAndAllFiles(fileA,fileB);
}
private static void copyDirAndAllFiles(File fileA, File fileB){
String fileName = fileA.getName();
//aa
System.out.println(fileName);
File copyFile = new File(fileB,fileName);
copyFile.mkdirs();
File[] files = fileA.listFiles();
BufferedInputStream bis = null;
BufferedOutputStream bos = null;
try {
for (File f:files){
if(f.isDirectory()){
copyDirAndAllFiles(f,copyFile);
}else {
bis = new BufferedInputStream(new FileInputStream(f));
bos = new BufferedOutputStream(new FileOutputStream(new File(copyFile, f.getName())));
byte[] buf = new byte[1024];
int len = -1;
while ((len = bis.read(buf))!=-1){
bos.write(buf,0,len);
bos.flush();
}
}
}
} catch (Exception e) {
e.printStackTrace();
} finally {//关流
if(bos != null){
try {
bos.close();
} catch (IOException e) {
e.printStackTrace();
}
}
if(bis != null){
try {
bis.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
}
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转载自blog.csdn.net/weixin_42567141/article/details/104286191
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