Java基於線程完成帶有轉動後果的Label標簽實例。本站提示廣大學習愛好者:(Java基於線程完成帶有轉動後果的Label標簽實例)文章只能為提供參考,不一定能成為您想要的結果。以下是Java基於線程完成帶有轉動後果的Label標簽實例正文
本文實例講述了Java基於線程完成帶有轉動後果的Label標簽。分享給年夜家供年夜家參考。詳細以下:
import java.awt.Graphics;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
/**
* Java頂用線程完成帶有轉動後果的Label標簽
*/
public class Test extends JFrame {
private static final long serialVersionUID = -2397593626990759111L;
private JPanel pane = null;
private MoveLabel label = null;
public Test() {
super("Test");
pane = new JPanel();
label = new MoveLabel("帶有轉動後果的標簽");
pane.add(label);
this.getContentPane().add(pane);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setSize(300, 200);
this.setVisible(true);
}
public static void main(String args[]) {
new Test();
}
/**
* 帶有轉動後果的Label標簽,可持續拓展許多殊效,例如色彩變換、速度變換等
*/
private class MoveLabel extends JLabel implements Runnable {
private static final long serialVersionUID = 1891684760189602720L;
private String text = null;
private Thread thread = null;
private int x = 0;
private int w = 0, h = 0;
public MoveLabel(String text) {
super(text);
this.text = text;
thread = new Thread(this);
thread.start();
}
public String getText() {
return text;
}
public void setText(String text) {
super.setText(text);
this.text = text;
}
protected void paintComponent(Graphics g) {
super.paintComponent(g);
g.setColor(this.getBackground());
g.fillRect(0, 0, w = this.getWidth(), h = this.getHeight());
g.setColor(this.getForeground());
g.setFont(this.getFont());
g.drawString(text, x, h - 2);
}
public void run() {
while (true) {
x -= 2;
if (x < -w) {
x = w;
}
this.repaint();
try {
Thread.sleep(50);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}
}
願望本文所述對年夜家的java法式設計有所贊助。