• java读取文件夹下的所有文件夹和文件


    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");
      }

    }

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  • 原文地址:https://www.cnblogs.com/duanxz/p/2760415.html
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