关于文件的批量重命名的JAVA实现

 

可以批量的更改文件的扩展名，并同时对文件进行编号。环境为JBuilder9+WindowsXP HOME

+java version 1.4.1_02-b06

主要涉及到file类的一些操作：

原代码如下：

import java.io.*;
import java.lang.String;
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import java.awt.HeadlessException;

/**
 * <p>Title: BAT-rename</p>
 * <p>Description: 文件批量重命名工具</p>
 * <p>Copyrigh:  Copyright (c) 2006</p>
 * <p>Company: Lucky =Open Source=</p>
 * @author Fan Xinlei
 * @version 1.0 beta
 */

public class mainFrm
    extends JFrame
    implements MouseListener, WindowListener {
  Button CheckBtn;
  TextField TextPath, TextFname, TextFilte;
  Label Path, Fname, Filte_Choice;
  Choice VarName;
  int iFileCount;
  Container con;
  JPanel Area1, Area2, Area3;
  Image icon;

  public mainFrm() throws HeadlessException {

    super("文件批量重命名工具v1.0");

    try {
      jbInit();
    }
    catch (Exception e) {
      e.printStackTrace();
    }

  }

  public static void main(String[] args) throws HeadlessException {
    mainFrm mainFrm1 = new mainFrm();
  }

  public void windowOpened(WindowEvent e) {}

  public void windowClosing(WindowEvent e) {
    System.exit(0);
  }

  public void windowClosed(WindowEvent e) {}

  public void windowIconified(WindowEvent e) {}

  public void windowDeiconified(WindowEvent e) {}

  public void windowActivated(WindowEvent e) {}

  public void windowDeactivated(WindowEvent e) {}

  public void mouseClicked(MouseEvent e) {}

  public void mousePressed(MouseEvent e) { //核心代码
    if (e.getSource() == CheckBtn) {
      if (TextPath.getText().length() != 0) {
        String fileName = new String(TextPath.getText());
        String szPath = new String(TextPath.getText());
        File DirObject = new File(szPath);
        String file[] = DirObject.list();
        if (VarName.getSelectedItem() == "不作更改") { //只更改文件的扩展名
          for (int i = 0; i < file.length; i++) {

            String tempName, temp;
            int iLocation = 0;
            File fileObject = new File(fileName + "//" + file[i]);

            iLocation = file[i].lastIndexOf('.');
            char name[] = new char[20];
            for (int j = 0; j < file[i].length(); j++) {

              name[j] = file[i].charAt(j);
            }
            tempName = new String(name, 0, 1 + iLocation);
            System.out.println(file[i].lastIndexOf('.'));

            temp = fileName + "//" + tempName +
                TextFilte.getText();
            System.out.println(temp);
            File tempFile = new File(temp);
            if (fileObject.isFile()) {
              try {
                fileObject.renameTo(tempFile);

              }
              catch (SecurityException e_Security) {
                System.out.println(e_Security.getMessage());
              }

            }
          }
          System.exit(0);

        }
        else {
          for (int i = 0; i < file.length; i++) {
            File fileObject = new File(fileName + "//" + file[i]);
            System.out.println(file[i]);
            System.out.println(fileName + "//" + file[i]);
            System.out.println(fileObject.getName());
            System.out.println(fileObject.isFile());
            if (fileObject.isFile()) {
              String tempName = new String();
              tempName = fileName + "//" + TextFname.getText() + i + "." +
                  TextFilte.getText();
              System.out.println(tempName);
              System.out.println(fileObject.canWrite());
              File tempFile = new File(tempName);
              /*   System.out.println(tempFile.getName()); //返回值成功
                   System.out.println(fileObject.canWrite()); **/
              //返回false

              try {
                fileObject.renameTo(tempFile);
              }
              catch (SecurityException e_Security) {
                System.out.println(e_Security.getMessage());
              }

            }
          }
          System.exit(0);

        }
      }
      else {

        int type = JOptionPane.INFORMATION_MESSAGE;
        JOptionPane.showMessageDialog(null, "路径不能为空", "提示信息", type); 
      }
    }
  }

  public void mouseReleased(MouseEvent e) {}

  public void mouseEntered(MouseEvent e) {}

  public void mouseExited(MouseEvent e) {}

  private void jbInit() throws Exception {

    Area1 = new JPanel(); //变量初始化，添加事件监听
    Area2 = new JPanel();
    Area3 = new JPanel();
    Area1.setBorder(BorderFactory.createLineBorder(Color.BLACK, 1));
    Area2.setBorder(BorderFactory.createLineBorder(Color.BLACK, 1));
    Area3.setBorder(BorderFactory.createLineBorder(Color.BLACK, 1));
    Path = new Label("请输入文件夹路径");
    Fname = new Label("文件名常量部分");
    Filte_Choice = new Label("扩展名");
    CheckBtn = new Button("^_^  =确认=  ^_^");
    iFileCount = 0;
    TextPath = new TextField(32);
    TextFname = new TextField(32);
    TextFilte = new TextField("txt", 10);
    VarName = new Choice();
    VarName.add("不作更改");
    VarName.add("数字");
    Area1.add(Path);
    Area1.add(TextPath);
    Area2.add(Fname);
    Area2.add(TextFname);
    Area3.add(Filte_Choice);
    Area3.add(TextFilte);
    Area3.add(VarName);
    TextPath.setEditable(true);

    CheckBtn.addMouseListener(this);
    this.addWindowListener(this);

    //布局初始化

    this.setBounds(100, 100, 300, 300);
    this.setResizable(false);
    this.setCursor(null);
    con = getContentPane();
    con.setLayout(new GridLayout(4, 1));
    con.add(Area1);
    con.add(Area2);
    con.add(Area3);
    con.add(CheckBtn);
    setVisible(true);

  }
}