java 删除文件和目录

public void deleteFileAndDir(String filePathDir) {
        Path path = Paths.get(filePathDir);
        try {
            Files.walkFileTree(path,
                    new SimpleFileVisitor<Path>() {
                        // 先去遍历删除文件
                        @Override
                        public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                            Files.delete(file);
                            System.out.printf("文件被删除 : %s%n", file);
                            return FileVisitResult.CONTINUE;
                        }
                        // 再去遍历删除目录
                        @Override
                        public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
                            Files.delete(dir);
                            System.out.printf("文件夹被删除: %s%n", dir);
                            return FileVisitResult.CONTINUE;
                        }
                    }
            );
        } catch (Exception e) {
            log.error("删除文件和文件夹失败，路径={}", filePathDir);
        }
    }