复制原文件夹下的所有文件到指定文件夹

import java.io.File;

/**
 * User: Administrator
 * Date: 13-8-29 下午2:15
 * 复制原文件夹下的所有文件到指定文件夹
 */
public class DirCopy {
    private static final String URL1 = "D:/PractiseFile/io";                  //原文件夹
    private static final String URL2 = "D:/PractiseFile/ionew";           //目标文件夹

    public static void main(String args[]) {
        dirCopy(URL1, URL2);
    }

    private static void dirCopy(String url1, String url2){

        File sourceDir = new File(url1);
        if (sourceDir.exists()) {
            if (sourceDir.isDirectory()) {
                File targetDir = new File(url2);
                if (!targetDir.exists()) {
                    targetDir.mkdir();
                }

                File[] dirList = sourceDir.listFiles();
                if (dirList != null) {
                    for (File s : dirList) {
                        dirCopy(s.getAbsolutePath(), url2 + File.separator + s.getName());
                    }
                }
            } else {
                fileCopy(url1, url2);
            }
        } else {
            System.out.println("source dir not found");
        }
    }

    private static void fileCopy(String url1, String url2){
        try {
            BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(url1), "GBK"));
            BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(url2), "GBK"));
            String s;
            while ((s = reader.readLine()) != null) {
                writer.write(s);
                writer.newLine();
            }
            writer.flush();
            writer.close();
            reader.close();
        } catch (FileNotFoundException e) {
            System.out.println("file not found");
        } catch (IOException e) {
            System.out.println("system error");
        }
    }

}