weixin_45807321的博客

import java.io.BufferedInputStream; import java.io.BufferedOutputStream; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; public class jpgcopy { public static void main(String args[]) { BufferedInputStream .

import java.io.File; public class filelist { public static void main(String args[]) { File file = new File("D:\\计算机导论"); showList(file); } private static void showList(File file) { if (file.isDirectory()) {// 如果是目录 System.out.println("文件夹:"