Java在创建同名目录/同名文件时名称拼接(数字)

    /**
     * 创建同名文件名称拼接（数字）
     *
     * @param path 需要创建的目录
     * @return
     */
    public static String recursionMkdirsFile(String path) {
        String newPath = path;
        for (int i = 1; i < 10000; path = newPath + "(" + i++ + ")") {
            File file = new File(path);
            if (file.exists()) {
            } else {
                file.mkdirs();
                break;
            }
        }
        return path;
    }

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    /**
     * 同名文件名称拼接新名称
     *
     * @param path     文件目录
     * @param fileName 文件名称
     * @param index    索引
     * @return
     */
    public static String recursionMkdirsEFileName(String path, String fileName, int index) {
        Path directoryPath = Paths.get(path);
        try (DirectoryStream<Path> directoryStream = Files.newDirectoryStream(directoryPath)) {
            for (Path path2 : directoryStream) {
                String pathName = path2.getFileName().toString();
                if (pathName.equalsIgnoreCase(fileName)) {
                    index++;
                    int i = index - 1;
                    if (index > 0) fileName = fileName.replaceAll("\\(" + i + "\\)", "");
                    fileName = recursionMkdirsEFileName(path, FileUtil.getName(fileName) + "(" + index + ")"
                            + FileUtil.getSuffix(fileName), index);
                }
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
        return fileName;
    }