package com.xiang; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; public class MyCopyFilesUtil { //复制文件夹 public void copyDir(String old,String xin){ File file=new File(old); File file2=new File(xin); if(!file2.exists()){ file2.mkdir(); } File[] files=file.listFiles(); for (int i = 0; i < files.length; i++) { if(files[i].isDirectory()){ System.out.println(old+File.separator+files[i].getName()); copyDir(old+File.separator+files[i].getName(), xin+File.separator+files[i].getName()); } if(files[i].isFile()){ try { copyFile(old+File.separator+files[i].getName(), xin+File.separator+files[i].getName()); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } } } //复制文件 public void copyFile(String old,String xin) throws IOException{ File f1=new File(old); File f2=new File(xin); FileInputStream fis=new FileInputStream(f1); FileOutputStream fos=new FileOutputStream(f2); int len=0; byte[] bs=new byte[1024]; while((len=fis.read(bs))!=-1){ fos.write(bs, 0, len); } fis.close(); fos.close(); } }