jb 中popup menu 如何使用?? 这个,我看你还是暴看看AWT吧!POPUP MEMU就是弹出式菜单啦!比如,你可以在一个文本框中监听,当鼠标右建按下后,这个POPUP MEMU显示! 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 我知道是弹出式菜单,难道必须监听鼠标消息吗,难道不能像delphi那样直接设置属性而得到吗??? package untitled5;import java.awt.*;import java.awt.event.*;import javax.swing.*;public class Frame1 extends JFrame{ JPanel contentPane; JButton jButton1 = new JButton(); JPopupMenu jPopupMenu1 = new JPopupMenu(); JMenuItem jMenuItem1 = new JMenuItem(); JMenuItem jMenuItem2 = new JMenuItem(); //Construct the frame public Frame1() { enableEvents(AWTEvent.WINDOW_EVENT_MASK); try { jbInit(); } catch(Exception e) { e.printStackTrace(); } } //Component initialization private void jbInit() throws Exception { //setIconImage(Toolkit.getDefaultToolkit().createImage(Frame1.class.getResource("[Your Icon]"))); contentPane = (JPanel) this.getContentPane(); jButton1.setBounds(new Rectangle(119, 98, 79, 29)); jButton1.setText("jButton1"); jButton1.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(ActionEvent e) { jButton1_actionPerformed(e); } }); contentPane.setLayout(null); this.setSize(new Dimension(400, 300)); this.setTitle("Frame Title"); jMenuItem1.setText("fdg"); jMenuItem2.setText("gggg"); jPopupMenu1.addSeparator(); jPopupMenu1.add(jMenuItem1); jPopupMenu1.add(jMenuItem2); contentPane.add(jButton1, null); } //Overridden so we can exit when window is closed protected void processWindowEvent(WindowEvent e) { super.processWindowEvent(e); if (e.getID() == WindowEvent.WINDOW_CLOSING) { System.exit(0); } } void jButton1_actionPerformed(ActionEvent e) { jPopupMenu1.show(this,90,90); }} 我是菜鸟,请大神帮我看看这个代码哪里错了 戏说深度优先算法(应用) 麻烦帮忙看一下,hibernate的save操作执行了,但是数据却没有被插入 视频类问题。 什么方法能取消显示? linux下java问题 请教:问java1.5是怎么配置的? 菜鸟问题:如何解开,或者查看*.jar的文件的内容? JPanel动态添加JLabel不显示的问题 在jbuilder里面怎么调试socket程序? 求救!关于JNI tomcat 容器需要the web server的支持吗?
import java.awt.event.*;
import javax.swing.*;public class Frame1 extends JFrame
{
JPanel contentPane;
JButton jButton1 = new JButton();
JPopupMenu jPopupMenu1 = new JPopupMenu();
JMenuItem jMenuItem1 = new JMenuItem();
JMenuItem jMenuItem2 = new JMenuItem(); //Construct the frame
public Frame1()
{
enableEvents(AWTEvent.WINDOW_EVENT_MASK);
try
{
jbInit();
}
catch(Exception e)
{
e.printStackTrace();
}
}
//Component initialization
private void jbInit() throws Exception
{
//setIconImage(Toolkit.getDefaultToolkit().createImage(Frame1.class.getResource("[Your Icon]")));
contentPane = (JPanel) this.getContentPane();
jButton1.setBounds(new Rectangle(119, 98, 79, 29));
jButton1.setText("jButton1");
jButton1.addActionListener(new java.awt.event.ActionListener()
{
public void actionPerformed(ActionEvent e)
{
jButton1_actionPerformed(e);
}
});
contentPane.setLayout(null);
this.setSize(new Dimension(400, 300));
this.setTitle("Frame Title");
jMenuItem1.setText("fdg");
jMenuItem2.setText("gggg");
jPopupMenu1.addSeparator();
jPopupMenu1.add(jMenuItem1);
jPopupMenu1.add(jMenuItem2);
contentPane.add(jButton1, null);
}
//Overridden so we can exit when window is closed
protected void processWindowEvent(WindowEvent e)
{
super.processWindowEvent(e);
if (e.getID() == WindowEvent.WINDOW_CLOSING)
{
System.exit(0);
}
} void jButton1_actionPerformed(ActionEvent e)
{
jPopupMenu1.show(this,90,90);
}
}