JFileChooser_1

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package com.han; import java.awt.BorderLayout; import java.awt.FlowLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.io.File; import javax.swing.JButton; import javax.swing.JFileChooser; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JTextField; public class JFileChooser_1 extends JFrame { /** * */ private static final long serialVersionUID = 5265354255058711881L; public JFileChooser_1() { // TODO Auto-generated constructor stub JLabel label = new JLabel("文件："); final JTextField textField = new JTextField(20); JButton button = new JButton("上传"); JPanel panel = new JPanel(new FlowLayout()); getContentPane().add(panel, BorderLayout.NORTH); panel.add(label); panel.add(textField); panel.add(button); button.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { // TODO Auto-generated method stub JFileChooser fileChooser = new JFileChooser(); int i = fileChooser.showOpenDialog(getContentPane()); if (i == JFileChooser.APPROVE_OPTION) { File selectedFile = fileChooser.getSelectedFile(); textField.setText(selectedFile.getPath()); } } }); } /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub JFileChooser_1 frame = new JFileChooser_1(); frame.setTitle("文件选择对话框"); frame.setVisible(true); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.pack(); } }