import javawt.*;
import javawt.event.*;
class AWT4 extends WindowAdapter implements ActionListener,WindowListener
{
Frame f=new Frame("模拟面板3号实验品");
MenuBar mb;
Menu mf,me,mh,ms;
CheckboxMenuItem cm1;
Panel p1,p2;
String a[]={"1","2","3","4","5","6","7","8","9","*","0","#"};
Button b[];
TextField tf=new TextField(50); public void setMenuBar()
{
mf=new Menu("文件(F)");
me=new Menu("编辑(E)");
mh=new Menu("帮助(H)");
ms=new Menu("菜单栏示范");
mb.add(mf);
mb.add(me);
mb.add(mh);
mb.add(ms);
mf.add(new MenuItem("打开"));
mf.add(new MenuItem("保存"));
mf.add(new MenuItem("关闭"));
mf.add(new CheckboxMenuItem("我是NB",true));
mf.add(new CheckboxMenuItem("我不是NB"));
}
public void listenter()
{
f.addWindowListener(this);
mf.addActionListener(this);
me.addActionListener(this);
mh.addActionListener(this);
ms.addActionListener(this);
} public void windowClosing(WindowEvent e)
{
System.exit(0);
}
public void actionPerformed(ActionEvent e)
{
if(e.getActionCommand()=="打开")
tf.setText("已经打开");
if(e.getActionCommand()=="保存")
tf.setText("已经保存");
if(e.getActionCommand()=="关闭")
System.exit(0);
}
public void display()
{
f.setSize(480,360);
f.setMenuBar(mb);
f.setLayout(new FlowLayout());
p1=new Panel();
p1.add(tf);
p2=new Panel();
p2.setLayout(new GridLayout(4,3,5,5));
for(int i=0;i {
Button b[]=new Button[a.length];
p2.add(b[i]);
} f.setVisible(true);
}
public static void main(String arg[])
{
(new AWT4()).display();
} }
import javawt.event.*;
class AWT4 extends WindowAdapter implements ActionListener,WindowListener
{
Frame f=new Frame("模拟面板3号实验品");
MenuBar mb;
Menu mf,me,mh,ms;
CheckboxMenuItem cm1;
Panel p1,p2;
String a[]={"1","2","3","4","5","6","7","8","9","*","0","#"};
Button b[];
TextField tf=new TextField(50); public void setMenuBar()
{
mf=new Menu("文件(F)");
me=new Menu("编辑(E)");
mh=new Menu("帮助(H)");
ms=new Menu("菜单栏示范");
mb.add(mf);
mb.add(me);
mb.add(mh);
mb.add(ms);
mf.add(new MenuItem("打开"));
mf.add(new MenuItem("保存"));
mf.add(new MenuItem("关闭"));
mf.add(new CheckboxMenuItem("我是NB",true));
mf.add(new CheckboxMenuItem("我不是NB"));
}
public void listenter()
{
f.addWindowListener(this);
mf.addActionListener(this);
me.addActionListener(this);
mh.addActionListener(this);
ms.addActionListener(this);
} public void windowClosing(WindowEvent e)
{
System.exit(0);
}
public void actionPerformed(ActionEvent e)
{
if(e.getActionCommand()=="打开")
tf.setText("已经打开");
if(e.getActionCommand()=="保存")
tf.setText("已经保存");
if(e.getActionCommand()=="关闭")
System.exit(0);
}
public void display()
{
f.setSize(480,360);
f.setMenuBar(mb);
f.setLayout(new FlowLayout());
p1=new Panel();
p1.add(tf);
p2=new Panel();
p2.setLayout(new GridLayout(4,3,5,5));
for(int i=0;i {
Button b[]=new Button[a.length];
p2.add(b[i]);
} f.setVisible(true);
}
public static void main(String arg[])
{
(new AWT4()).display();
} }
Button b[]=new Button[a.length];
p2.add(b[i]);
}
??
Button b[]=new Button[a.length];
for(int i=0;i<a.length;i++) {
b[i]=new Button(a[i]);
p2.add(b[i]);
}Menu没添加到MenuBar里面
p1 p2没添见到frame里面 感觉好乱啊
frame单独写个类
panel单独写个类
Button b[]=new Button[a.length];
p2.add(b[i]);
} 觉得这部分有问题,你可以测试一下.
import javawt.event.*;
class AWT4 extends WindowAdapter implements ActionListener,WindowListener
{
Frame f=new Frame("模拟面板3号实验品");
MenuBar mb;
Menu mf,me,mh,ms;
CheckboxMenuItem cm1;
Panel p1,p2;
String a[]={"1","2","3","4","5","6","7","8","9","*","0","#"};
Button b[];
TextField tf=new TextField(50); public void setMenuBar()
{
mf=new Menu("文件(F)");
me=new Menu("编辑(E)");
mh=new Menu("帮助(H)");
ms=new Menu("菜单栏示范");
mb.add(mf);
mb.add(me);
mb.add(mh);
mb.add(ms);
mf.add(new MenuItem("打开"));
mf.add(new MenuItem("保存"));
mf.add(new MenuItem("关闭"));
mf.add(new CheckboxMenuItem("我是NB",true));
mf.add(new CheckboxMenuItem("我不是NB"));
}
public void listenter()
{
f.addWindowListener(this);
mf.addActionListener(this);
me.addActionListener(this);
mh.addActionListener(this);
ms.addActionListener(this);
} public void windowClosing(WindowEvent e)
{
System.exit(0);
}
public void actionPerformed(ActionEvent e)
{
if(e.getActionCommand()=="打开")
tf.setText("已经打开");
if(e.getActionCommand()=="保存")
tf.setText("已经保存");
if(e.getActionCommand()=="关闭")
System.exit(0);
}
public void display()
{
f.setSize(480,360);
f.setMenuBar(mb);
f.setLayout(new FlowLayout());
p1=new Panel();
p1.add(tf);
p2=new Panel();
p2.setLayout(new GridLayout(4,3,5,5));
for(int i=0; i<a.length;i++)
{
Button b[]=new Button[a.length];
p2.add(b[i]);
} f.setVisible(true);
}
public static void main(String arg[])
{
(new AWT4()).display();
} } 更改后的代码! 急求
import java.awt.Button;
import java.awt.CheckboxMenuItem;
import java.awt.FlowLayout;
import java.awt.Frame;
import java.awt.GridLayout;
import java.awt.Menu;
import java.awt.MenuBar;
import java.awt.MenuItem;
import java.awt.Panel;
import java.awt.TextField;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;public class a extends WindowAdapter implements ActionListener, WindowListener {
Frame f = new Frame("模拟面板3号实验品");
MenuBar mb;
Menu mf, me, mh, ms;
CheckboxMenuItem cm1;
Panel p1, p2;
String a[] = { "1", "2", "3", "4", "5", "6", "7", "8", "9", "*", "0", "#" };
Button b[];
TextField tf = new TextField(50); public void setMenuBar() {
mf = new Menu("文件(F)");
me = new Menu("编辑(E)");
mh = new Menu("帮助(H)");
ms = new Menu("菜单栏示范");
mb.add(mf);
mb.add(me);
mb.add(mh);
mb.add(ms);
mf.add(new MenuItem("打开"));
mf.add(new MenuItem("保存"));
mf.add(new MenuItem("关闭"));
mf.add(new CheckboxMenuItem("我是NB", true));
mf.add(new CheckboxMenuItem("我不是NB"));
} public void listenter() {
f.addWindowListener(this);
mf.addActionListener(this);
me.addActionListener(this);
mh.addActionListener(this);
ms.addActionListener(this);
} public void windowClosing(WindowEvent e) {
System.exit(0);
} public void actionPerformed(ActionEvent e) {
if (e.getActionCommand() == "打开")
tf.setText("已经打开");
if (e.getActionCommand() == "保存")
tf.setText("已经保存");
if (e.getActionCommand() == "关闭")
System.exit(0);
} public void display() {
f.setSize(480, 360);
f.setMenuBar(mb);
f.setLayout(new FlowLayout());
p1 = new Panel();
p1.add(tf);
p2 = new Panel();
p2.setLayout(new GridLayout(4, 3, 5, 5));
Button b[] = new Button[a.length];
for (int i = 0; i < a.length; i++) {
b[i]=new Button(i+"");
p2.add(b[i]);
} f.setVisible(true);
} public static void main(String arg[]) {
(new a()).display();
}}