Question

java中鼠标右击弹出菜单怎样实现

Answer 1

简单的实现代码如下：

import java.awt.MenuBar;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;

import javax.swing.JFrame;
import javax.swing.JPopupMenu;

/*
* java中鼠标右击弹出菜单怎样实现
*/
public class Demo {
public static void main(String[] args) {
final JFrame jf = new JFrame("窗体");
jf.setSize(300, 300);
jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
jf.setLocationRelativeTo(null);
// 创建弹出菜单
final JPopupMenu jp = new JPopupMenu();
jp.add("红色");
jp.add("蓝色");
jf.addMouseListener(new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent e) {
if (e.getButton() == MouseEvent.BUTTON3) {
// 弹出菜单
jp.show(jf, e.getX(), e.getY());
}
}
});
jf.setVisible(true);
}
}