java复制文件夹以及其中的文件

import java.io.File;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.IOException;public class CopyFile {public boolean copy(String file1,String file2) {File in=new File(file1);File out=new File(file2);if(!in.exists()){System.out.println(in.getAbsolutePath()+"源文件路径错误！！！");return false;}else {System.out.println("源文件路径"+in.getAbsolutePath());System.out.println("目标路径"+out.getAbsolutePath());}if(!out.exists()) out.mkdirs();File[] file=in.listFiles();FileInputStream fin=null;FileOutputStream fout=null;for(int i=0;i<file.length;i++){if(file[i].isFile()){try {fin=new FileInputStream(file[i]);} catch (FileNotFoundException e) {// TODO Auto-generated catch blocke.printStackTrace();}System.out.println("in.name="+file[i].getName());try {fout=new FileOutputStream(new File(file2+"/"+file[i].getName()));} catch (FileNotFoundException e) {// TODO Auto-generated catch blocke.printStackTrace();}System.out.println(file2);int c;byte[] b=new byte[1024*5];try {while((c=fin.read(b))!=-1){fout.write(b, 0, c);System.out.println("复制文件中！");}<------------------------------注意fin.close();fout.flush();fout.close();<--------------------------------} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}<-------------------------------注释掉//return true;}else copy(file1+"/"+file[i].getName(),file2+"/"+file[i].getName());}return false;}public static void main(String[] args) {CopyFile copyFile = new CopyFile();copyFile.copy("E:\\study\\opngl", "E:\\opengl");}}