扫一扫
分享文章到微信
扫一扫
关注官方公众号
至顶头条
以下是实现的代码:
package com.borland.samples.welcome; import java.io.FileNotFoundException; import java.io.IOException; import java.io.File; public class ReadFile { public ReadFile() {} /** * 删除某个文件夹下的所有文件夹和文件 * @param delpath String * @throws FileNotFoundException * @throws IOException * @return boolean */ public static boolean deletefile(String delpath) throws FileNotFoundException, IOException { try { File file = new File(delpath); if (!file.isDirectory()) { System.out.println("1"); file.delete(); } else if (file.isDirectory()) { System.out.println("2"); String[] filelist = file.list(); for (int i = 0; i < filelist.length; i++) { File delfile = new File(delpath + "\\" + filelist[i]); if (!delfile.isDirectory()) { System.out.println("path=" + delfile.getPath()); System.out.println("absolutepath=" + delfile.getAbsolutePath()); System.out.println("name=" + delfile.getName()); delfile.delete(); System.out.println("删除文件成功"); } else if (delfile.isDirectory()) { deletefile(delpath + "\\" + filelist[i]); } } file.delete(); } } catch (FileNotFoundException e) { System.out.println("deletefile() Exception:" + e.getMessage()); } return true; } /** * 删除某个文件夹下的所有文件夹和文件 * @param delpath String * @throws FileNotFoundException * @throws IOException * @return boolean */ public static boolean readfile(String filepath) throws FileNotFoundException, IOException { try { File file = new File(filepath); if (!file.isDirectory()) { System.out.println("文件"); System.out.println("path=" + file.getPath()); System.out.println("absolutepath=" + file.getAbsolutePath()); System.out.println("name=" + file.getName()); } else if (file.isDirectory()) { System.out.println("文件夹"); String[] filelist = file.list(); for (int i = 0; i < filelist.length; i++) { File readfile = new File(filepath + "\\" + filelist[i]); if (!readfile.isDirectory()) { System.out.println("path=" + readfile.getPath()); System.out.println("absolutepath=" + readfile.getAbsolutePath()); System.out.println("name=" + readfile.getName()); } else if (readfile.isDirectory()) { readfile(filepath + "\\" + filelist[i]); } } } } catch (FileNotFoundException e) { System.out.println("readfile() Exception:" + e.getMessage()); } return true; } public static void main(String[] args) { try { readfile("D:/file"); //deletefile("D:/file"); } catch (FileNotFoundException ex) { } catch (IOException ex) { } System.out.println("ok"); } } |
如果您非常迫切的想了解IT领域最新产品与技术信息,那么订阅至顶网技术邮件将是您的最佳途径之一。
现场直击|2021世界人工智能大会
直击5G创新地带,就在2021MWC上海
5G已至 转型当时——服务提供商如何把握转型的绝佳时机
寻找自己的Flag
华为开发者大会2020(Cloud)- 科技行者