java删除文件夹的实现方式

/**
 * 先根遍历序递归删除文件夹
 *
 * @param dirFile 要被删除的文件或者目录
 * @return 删除成功返回true, 否则返回false
 */
public static boolean deleteFile(File dirFile) {
    // 如果dir对应的文件不存在，则退出
    if (!dirFile.exists()) {
        return false;
    }

    if (dirFile.isFile()) {
        return dirFile.delete();
    } else {

        for (File file : dirFile.listFiles()) {
            deleteFile(file);
        }
    }

    return dirFile.delete();
}

@Test
public void delete() {
    File file = new File("/temp/lock11-1");
    ExcelDiskUtils.deleteFile(file);
}

    /**
     * Deletes a directory recursively.
     *
     * @param directory directory to delete
     * @throws IOException              in case deletion is unsuccessful
     * @throws IllegalArgumentException if {@code directory} does not exist or is not a directory
     */
    public static void deleteDirectory(final File directory) throws IOException {
        ... ...
    }