FileNameExtensionFilter文件过滤

 1 package com.soft.test;
 2 
 3 import javax.swing.*;
 4 import javax.swing.filechooser.*;
 5 import java.awt.event.*;
 6 import java.io.FileFilter;
 7 
 8 public class SplashDemo extends JFrame implements ActionListener {
 9     private JButton jb = null;
10 
11     public SplashDemo() {
12         jb = new JButton("打开");
13         jb.addActionListener(this);
14 
15         this.add(jb);
16         this.setSize(400, 300);
17         this.setResizable(false);
18         this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
19         this.setVisible(true);
20     }
21 
22     public static void main(String[] args) {
23 
24         SplashDemo s = new SplashDemo();
25     }
26 
27     public void actionPerformed(ActionEvent e) {
28         JFileChooser jf = new JFileChooser();
29         jf.setToolTipText("打开");
30         FileNameExtensionFilter ff = new FileNameExtensionFilter(
31                 "图像文件(jpg/gif)", "jpg", "jpeg", "gif");
32         jf.setFileFilter(ff);
33         jf.showOpenDialog(this);
34 
35     }
36 
37 }