JAVA复制文件的操作

Java代码

/**
 * 复制整个文件夹内容
 *
 * @param oldPath
 *            String 原文件路径 如：c:/fqf
 * @param newPath
 *            String 复制后路径 如：f:/fqf/ff
 * @return boolean
 */
private static void copyFolder(String oldPath, String newPath) {

    try {
        (new File(newPath)).mkdirs(); // 如果文件夹不存在 则建立新文件夹
        File a = new File(oldPath);
        String[] file = a.list();
        File temp = null;
        for (int i = 0; i < file.length; i++) {
            if (oldPath.endsWith(File.separator)) {
                temp = new File(oldPath + file[i]);
            } else {
                temp = new File(oldPath + File.separator + file[i]);
            }
            if (temp.isFile()) {
                FileInputStream input = new FileInputStream(temp);
                FileOutputStream output = new FileOutputStream(newPath + "/" + (temp.getName()).toString());
                byte[] b = new byte[1024 * 5];
                int len;
                while ((len = input.read(b)) != -1) {
                    output.write(b, 0, len);
                }
                output.flush();
                output.close();
                input.close();
            }
            if (temp.isDirectory()) {// 如果是子文件夹
                copyFolder(oldPath + "/" + file[i], newPath + "/" + file[i]);
            }
        }
    } catch (Exception e) {
        System.out.println("复制整个文件夹内容操作出错");
        e.printStackTrace();
    }
}