怎样铺获鼠标右击事件？

Question

<script language="javascript">
<!--
function document.onmousedown() {
if(event.button == 2)
alert("123");
}
//-->
</script>

Answer 1

public boolean rightMousePressed(MouseEvent evt)
    {
        if (((evt.getModifiers() & Event.META_MASK)!=0))
        {
            return true;
        }
        else
            return false;
    }

Answer 2

public void this_mouseClicked(MouseEvent e) {
    if(e.getModifiers()==MouseEvent.BUTTON3_MASK)
      JOptionPane.showMessageDialog(null,"123","123",JOptionPane.INFORMATION_MESSAGE);
  }