Swing 闪屏

最新推荐文章于 2021-03-12 22:44:22 发布

最新推荐文章于 2021-03-12 22:44:22 发布 · 181 阅读

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本文介绍了一个使用Java Swing框架展示图片的应用示例。该示例通过继承JFrame类创建了一个新的窗口，并在其中加载并显示了一张图片。此外，还演示了如何设置窗口的大小、位置以及背景颜色等属性。

package testpicturejava; import java.awt.BorderLayout; import java.awt.Dimension; import javax.swing.JFrame; import javax.swing.JPanel; import java.awt.*; import javax.swing.JLabel; import javax.swing.ImageIcon; /** * Title: * * Description: * * Copyright: Copyright (c) 2007 * * Company: * * @author not attributable * @version 1.0 */ public class PictueFrame extends JFrame implements Runnable { JPanel contentPane; JLabel jLabel1 = new JLabel(); boolean packFrame = false; public PictueFrame() { try { Thread thre = new Thread(this); thre.start(); } catch (Exception exception) { exception.printStackTrace(); } } /** * Component initialization. * * @throws java.lang.Exception */ private void jbInit() throws Exception { } public void run() { contentPane = (JPanel) getContentPane(); contentPane.setLayout(null); setSize(new Dimension(1024, 768)); setTitle("Frame Title"); this.setUndecorated(true); this.setResizable(false); jLabel1.setBounds(new Rectangle(9, 9, 1024, 768)); jLabel1.setIcon(new ImageIcon(PictueFrame.class.getResource( "sky.jpg"))); contentPane.add(jLabel1); if (packFrame) { this.pack(); } else { this.validate(); } int height = 300; int width = 100; try { while (true) { Thread.currentThread().sleep(1); this.setSize(new Dimension(height, width)); this.setBackground(Color.BLUE); Dimension screenSize = Toolkit.getDefaultToolkit(). getScreenSize(); Dimension frameSize = this.getSize(); if (frameSize.height > screenSize.height) { frameSize.height = screenSize.height; } if (frameSize.width > screenSize.width) { frameSize.width = screenSize.width; this.dispose(); break; } this.setLocation((screenSize.width - frameSize.width) / 2, (screenSize.height - frameSize.height) / 2); this.show(); height = height + 6; width = width + 10; } } catch (HeadlessException ex) { ex.printStackTrace(); } catch (InterruptedException ex) { ex.printStackTrace(); } } }