如何处理菜单事件? 如何处理菜单事件? 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 我在JBUILDER中做了个,菜单处理可是没有相应是为什么?package students;import java.awt.BorderLayout;import java.awt.Dimension;import javax.swing.JFrame;import javax.swing.JPanel;import javax.swing.JMenuBar;import javax.swing.JMenu;import javax.swing.JMenuItem;import java.awt.event.MouseEvent;import java.awt.event.MouseAdapter;import java.awt.Toolkit;import com.borland.jbcl.layout.XYLayout;import com.borland.jbcl.layout.*;/** * <p>Title: </p> * * <p>Description: </p> * * <p>Copyright: Copyright (c) 2008</p> * * <p>Company: </p> * * @author not attributable * @version 1.0 */public class Frame1 extends JFrame { JPanel contentPane; JMenuBar jMenuBar1 = new JMenuBar(); JMenu jMenu1 = new JMenu(); Cbjxx bjxx=new Cbjxx() ; CDbjxx dbjxx=new CDbjxx() ; JMenuItem jMenuItem1 = new JMenuItem(); JMenuItem jMenuItem2 = new JMenuItem(); JMenuItem jMenuItem3 = new JMenuItem(); XYLayout xYLayout1 = new XYLayout(); public Frame1() { try { setDefaultCloseOperation(EXIT_ON_CLOSE); jbInit(); } catch (Exception exception) { exception.printStackTrace(); } } /** * Component initialization. * * @throws java.lang.Exception */ private void jbInit() throws Exception { contentPane = (JPanel) getContentPane(); contentPane.setLayout(xYLayout1); this.setJMenuBar(jMenuBar1); setSize(new Dimension(400, 300)); setTitle("Frame Title"); jMenu1.setText("学生信息管理"); jMenuItem1.setText("学生信息录入"); jMenuItem2.setText("班级信息录入"); jMenuItem2.addMouseListener(new Frame1_jMenuItem2_mouseAdapter(this)); jMenuItem3.setText("学生信息查询"); jMenuBar1.add(jMenu1); jMenu1.add(jMenuItem2); jMenu1.add(jMenuItem1); jMenu1.add(jMenuItem3); Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize(); Dimension frameSize = bjxx.getSize(); if (frameSize.height > screenSize.height) { frameSize.height = screenSize.height; } if (frameSize.width > screenSize.width) { frameSize.width = screenSize.width; } frameSize.height =800; frameSize.width =800; bjxx.setLocation(100 , 100 ); bjxx.setSize(800,800); dbjxx.setSize(100,100); dbjxx.setVisible(true) ; //bjxx.setVisible(true); } public void jMenuItem2_mouseClicked(MouseEvent e) { // Center the window Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize(); Dimension frameSize = bjxx.getSize(); if (frameSize.height > screenSize.height) { frameSize.height = screenSize.height; } if (frameSize.width > screenSize.width) { frameSize.width = screenSize.width; } // bjxx.setLocation((screenSize.width ) , // (screenSize.height ) ); bjxx.setLocation(100 , 100 ); bjxx.setSize(800,800); bjxx.setVisible(true); }}class Frame1_jMenuItem2_mouseAdapter extends MouseAdapter { private Frame1 adaptee; Frame1_jMenuItem2_mouseAdapter(Frame1 adaptee) { this.adaptee = adaptee; } public void mouseClicked(MouseEvent e) { adaptee.jMenuItem2_mouseClicked(e); }} 急求高手 指点ubuntu下的JDK安装及配置。。 大家如何理解的面向对象 多线程的同步问题 用javascript 或JAVA判断用户是用什么浏览器 请教数据压缩的问题! 新建一个panel的问题,似乎是实例化的毛病.---我一个初学者,大家都看看把 在D:\Tomcat 4.1\webapps\test下面有一个hello.jsp文件 简单问题,会正则表达式的高手请进 JAVA菜鸟请教编译问题 有关native调用的问题 关于\\ javamail发信的异常捕捉问题
package students;import java.awt.BorderLayout;
import java.awt.Dimension;import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JMenuBar;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import java.awt.event.MouseEvent;
import java.awt.event.MouseAdapter;
import java.awt.Toolkit;
import com.borland.jbcl.layout.XYLayout;
import com.borland.jbcl.layout.*;/**
* <p>Title: </p>
*
* <p>Description: </p>
*
* <p>Copyright: Copyright (c) 2008</p>
*
* <p>Company: </p>
*
* @author not attributable
* @version 1.0
*/
public class Frame1 extends JFrame {
JPanel contentPane;
JMenuBar jMenuBar1 = new JMenuBar();
JMenu jMenu1 = new JMenu();
Cbjxx bjxx=new Cbjxx() ;
CDbjxx dbjxx=new CDbjxx() ;
JMenuItem jMenuItem1 = new JMenuItem();
JMenuItem jMenuItem2 = new JMenuItem();
JMenuItem jMenuItem3 = new JMenuItem();
XYLayout xYLayout1 = new XYLayout(); public Frame1() {
try {
setDefaultCloseOperation(EXIT_ON_CLOSE);
jbInit();
} catch (Exception exception) {
exception.printStackTrace();
}
} /**
* Component initialization.
*
* @throws java.lang.Exception
*/
private void jbInit() throws Exception {
contentPane = (JPanel) getContentPane();
contentPane.setLayout(xYLayout1);
this.setJMenuBar(jMenuBar1);
setSize(new Dimension(400, 300));
setTitle("Frame Title");
jMenu1.setText("学生信息管理");
jMenuItem1.setText("学生信息录入");
jMenuItem2.setText("班级信息录入");
jMenuItem2.addMouseListener(new Frame1_jMenuItem2_mouseAdapter(this));
jMenuItem3.setText("学生信息查询");
jMenuBar1.add(jMenu1);
jMenu1.add(jMenuItem2);
jMenu1.add(jMenuItem1);
jMenu1.add(jMenuItem3);
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
Dimension frameSize = bjxx.getSize();
if (frameSize.height > screenSize.height) {
frameSize.height = screenSize.height;
}
if (frameSize.width > screenSize.width) {
frameSize.width = screenSize.width;
}
frameSize.height =800;
frameSize.width =800;
bjxx.setLocation(100 ,
100 );
bjxx.setSize(800,800);
dbjxx.setSize(100,100);
dbjxx.setVisible(true) ;
//bjxx.setVisible(true); } public void jMenuItem2_mouseClicked(MouseEvent e) { // Center the window
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
Dimension frameSize = bjxx.getSize();
if (frameSize.height > screenSize.height) {
frameSize.height = screenSize.height;
}
if (frameSize.width > screenSize.width) {
frameSize.width = screenSize.width;
} // bjxx.setLocation((screenSize.width ) ,
// (screenSize.height ) );
bjxx.setLocation(100 ,
100 );
bjxx.setSize(800,800); bjxx.setVisible(true);
}}
class Frame1_jMenuItem2_mouseAdapter extends MouseAdapter {
private Frame1 adaptee;
Frame1_jMenuItem2_mouseAdapter(Frame1 adaptee) {
this.adaptee = adaptee;
} public void mouseClicked(MouseEvent e) {
adaptee.jMenuItem2_mouseClicked(e);
}
}