java递归删除指定目录下的文件和文件夹

    public static boolean deleteFolder(String delDir) {

        File delFolder = new File(delDir);

        File[] delFile = delFolder.listFiles();

        try {

            for (File file : delFile) {

                if (file.isDirectory()) {

                    deleteFolder(file.getPath());

                }

                file.delete();

            }

        } catch (Exception e) {

            System.out.println("清空文件夹操作出错!");

            e.printStackTrace();

            return false;

        }

        System.out.println("清空文件夹操作成功！");

        return true;

    }