📄 frame1.java
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package colorchoose;import java.awt.*;import java.awt.event.*;import javax.swing.*;/** * <p>Title: </p> * <p>Description: </p> * <p>Copyright: Copyright (c) 2002</p> * <p>Company: </p> * @author unascribed * @version 1.0 */public class Frame1 extends JFrame { JPanel contentPane; BorderLayout borderLayout1 = new BorderLayout(); JButton jButton1 = new JButton(); //Construct the frame public Frame1() { enableEvents(AWTEvent.WINDOW_EVENT_MASK); try { jbInit(); } catch(Exception e) { e.printStackTrace(); } } //Component initialization private void jbInit() throws Exception { //setIconImage(Toolkit.getDefaultToolkit().createImage(Frame1.class.getResource("[Your Icon]"))); contentPane = (JPanel) this.getContentPane(); jButton1.setToolTipText(""); jButton1.setText("选择颜色"); jButton1.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(ActionEvent e) { jButton1_actionPerformed(e); } }); contentPane.setLayout(borderLayout1); this.setSize(new Dimension(400, 300)); this.setTitle("Frame Title"); contentPane.add(jButton1, BorderLayout.NORTH); } //Overridden so we can exit when window is closed protected void processWindowEvent(WindowEvent e) { super.processWindowEvent(e); if (e.getID() == WindowEvent.WINDOW_CLOSING) { System.exit(0); } } void jButton1_actionPerformed(ActionEvent e) {Color bgcolor=JColorChooser.showDialog(this,"选择颜色",contentPane.getBackground());if(bgcolor!=null){contentPane.setBackground(bgcolor);} }}
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