windows读取本地文件批量修改文件

import java.io.File;

public class  FileRenameTest{
    public static void main(String[] args) {
//        String s = "eyJvIjoiaU9TIiwiayI6IksyYmE4a0Jy";
//        byte[] bytes = s.getBy tes();
//        System.out.println(bytes.length);
//        System.out.println(s.length());
//        String substring = s.substring(1);
//        System.out.println(substring);
        String path="F:\\BaiduNetdiskDownload\\doris\\1.笔记";
        File file = new File(path);


        if (file.isDirectory()){
            File[] files = file.listFiles();
            int index=0;
            for (File file1 : files) {
//                System.out.println(file1);
                String oldName = file1.getName();
                System.out.println(index);
                String newName = modifyFileName(oldName,index);
                File newFile = new File(path, newName);
                if (file1.renameTo(newFile)) {
                    System.out.println("文件名已修改: " + oldName + " -> " + newName);
                } else {
                    System.out.println("无法修改文件名: " + oldName);
                }
                index=index+1;
            }
        }
    }

    private static String modifyFileName(String oldName,Integer index) {
        String replaestr="0";
        if (oldName.contains(replaestr)){
            String replace = oldName.replace(replaestr, "");
//            System.out.println(replace);
            String finalName=index+"."+replace;
//            String finalName1 = finalName.replaceAll("\\d", "");
            return finalName;
        }else {
//            String s = oldName.replaceAll("\\d", "");
            return index+"."+  oldName;
        }
    }


}