复制文件夹

package cn.it.demo;

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

public class Demo04 {
    public static void main(String[] args) {
        File file1=new File("e:\other");
        File file2=new File("e:\ther");
        copy(file1,file2);
    }
    private static void copy(File file1,File file2) {
        FileInputStream fis=null;
        FileOutputStream fos=null;
        try {
            if(file1.isDirectory()) {
                file2.mkdir();
                String[] filepaths = file1.list();
                for(String f:filepaths) {
                    //获取源文件路径和新文件路径
                    copy(new File(file1.getAbsolutePath()+file1.separator+f),new File(file2.getAbsolutePath()+file2.separator+f));
                }
            }else if(file1.isFile()) {
                fis=new FileInputStream(file1);
                fos=new FileOutputStream(file2);
                int len=0;
                byte[] buf=new byte[1024];
                while((len=fis.read(buf))!=-1) {
                    fos.write(buf, 0, len);
                }
            }
        } catch (IOException e) {
            e.printStackTrace();
        }finally {
            try {
                if(fis!=null) {
                    fis.close();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
            try {
                if(fos!=null) {
                    fos.close();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}