星涛：采用java递归复制文件夹

package com.botao;

import java.io.*;

/**

 * @author cbt28

 */

public class FileUtil {

    public static String a="";

    public static String b="";

    public static void copyDir(File src, File target) throws IOException {

        if (!target.exists()) {

            target.mkdir();

        }

        File[] lf = src.listFiles();

        for (File file : lf) {

            if (file.isFile()) {

                System.out.println(src + "\\" + file.getName() + "--->" + target + "\\" + file.getName());

                boolean b = copyFile(new File(src + "\\" + file.getName()), new File(target + "\\" + file.getName()));

                System.out.println(b);

            } else {

                copyDir(new File(src + "\\" + file.getName()), new File(target + "\\" + file.getName()));

            }

        }

    }

    public static boolean copyFile(File src, File target) throws IOException {

        FileReader fr = new FileReader(src);

        BufferedReader br = new BufferedReader(fr);

        FileWriter fw = new FileWriter(target);

        BufferedWriter bw = new BufferedWriter(fw);

        String s = br.readLine();

        while (s != null) {

            bw.write(s);

            bw.newLine();

            s = br.readLine();

        }

        bw.close();

        fw.close();

        br.close();

        fr.close();

        return true;

    }

}
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星涛：采用java递归复制文件夹

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