/**  
     * 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  
     */ 
    public 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();  
        }  
    }