复制整个文件夹内容

package com.etc.test;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;

public class CopyFiles {

/**
* @param args
*/
public static void main(String[] args) {
String newPath = "E:\\wcc\\hehe\\";
String oldPath = "D:\\wcc\\haha\\";
CopyFiles copyFiles = new CopyFiles();
copyFiles.copyFolder(oldPath,newPath);
}

/**
* 复制整个文件夹内容
* @param oldPath String 原文件路径 如：c:/fqf
* @param newPath String 复制后路径 如：f:/fqf/ff
* @return boolean
*/
public void copyFolder(String oldPath, String newPath) {

try {
File newFile = new File(newPath); //如果文件夹不存在 则建立新文件夹
if(!newFile.exists()){
newFile.mkdirs();
}
File a=new File(oldPath);
String[] file=a.list(); //遍历文件夹里文件
File temp=null;
if(file != null){
for (int i = 0; i < file.length; i++) {
if(oldPath.endsWith(File.separator)){ //组装老文件路径
temp=new File(oldPath+file[i]);
}
else{
temp=new File(oldPath+File.separator+file[i]);
}

if(temp.isFile()){
FileInputStream input = new FileInputStream(temp);
FileOutputStream output = new FileOutputStream(newPath + "/" +
(temp.getName()).toString());
byte[] b = new byte[1024 * 5];
int len;
while ( (len = input.read(b)) != -1) {
output.write(b, 0, len);
}
output.flush();
output.close();
input.close();
}
if(temp.isDirectory()){//如果是子文件夹
copyFolder(oldPath+"/"+file[i],newPath+"/"+file[i]);
}
}
}
}
catch (Exception e) {
System.out.println("复制整个文件夹内容操作出错");
e.printStackTrace();

}

}
}

转载于:https://www.cnblogs.com/wcc-20170216/p/8450394.html