test.java

用JAVA实现的一个数字时钟

import java.awt.event.MouseMotionAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseAdapter;
import javax.swing.JFrame;
import javax.swing.JPanel;
/**
* 利用鼠标监听解决无标题窗体的移动问题
*/
public class test {
private JFrame frame = null;
JPanel pane = null;
int mouseX = 0;
int mouseY = 0;
public test() {
frame = new JFrame();
frame.setUndecorated(true);
pane = (JPanel) frame.getContentPane();
pane.addMouseListener(new MouseAdapter() {
public void mousePressed(MouseEvent mouseEvent) {
if (mouseEvent.getButton() == mouseEvent.BUTTON1) {
mouseX = mouseEvent.getX();
mouseY = mouseEvent.getY();
}
}
});
pane.addMouseMotionListener(new MouseMotionAdapter() {
public void mouseDragged(MouseEvent e) {
if (e.getModifiers() == e.BUTTON1_MASK) {
frame.setLocation(frame.getX() + e.getX() - mouseX,
frame.getY() + e.getY() - mouseY);
}
}
});
frame.setSize(300, 200);
frame.setVisible(true);
}
public static void main(String args[]) {
test t = new test();
}
}