我不确定这是我放置我的主要空白还是什么?我得到了程序编译没有任何错误,但是当我在TextPad运行应用程序,它只是告诉我“按任意键继续” ....然后什么也不做小键盘Java应用程序编译,但不显示任何东西
import java.awt.*;
import java.applet.*;
import java.awt.event.*;
import java.awt.Graphics;
import javax.swing.JOptionPane;
import javax.swing.JApplet;
import java.awt.event.*;
public class telephoneKeypad extends JApplet
{
public void init()
{
this.setLayout(new GridLayout(4,3));
this.setSize(new Dimension(175, 231));
new telephoneKeypad().setVisible(true);
}
public void telephoneKeypad()
{
Panel pnlKeyPad = new Panel();
GridLayout gridLayout1 = new GridLayout();
Button btnZero = new Button();
Button btnOne = new Button();
Button btnTwo = new Button();
Button btnThree = new Button();
Button btnFour = new Button();
Button btnFive = new Button();
Button btnSix = new Button();
Button btnSeven = new Button();
Button btnEight = new Button();
Button btnNine = new Button();
Button btnStar = new Button();
Button btnHash = new Button();
TextField tfNumber = new TextField();
Button btnDial = new Button();
BorderLayout borderLayout1 = new BorderLayout();
Panel pnlNumberEntry = new Panel();
FlowLayout flowLayout1 = new FlowLayout();
btnOne.setLabel("1");
btnTwo.setLabel("2");
btnThree.setLabel("3");
btnFour.setLabel("4");
btnFive.setLabel("5");
btnSix.setLabel("6");
btnSeven.setLabel("7");
btnEight.setLabel("8");
btnNine.setLabel("9");
btnStar.setLabel("*");
btnZero.setLabel("0");
btnHash.setLabel("#");
btnDial.setLabel("Dial");
pnlNumberEntry.setLayout(flowLayout1);
pnlKeyPad.setLayout(gridLayout1);
this.setLayout(borderLayout1);
this.add(pnlNumberEntry, BorderLayout.NORTH);
pnlNumberEntry.add(tfNumber, null);
pnlNumberEntry.add(btnDial, null);
this.add(pnlKeyPad, BorderLayout.CENTER);
pnlKeyPad.add(btnOne, null);
pnlKeyPad.add(btnTwo, null);
pnlKeyPad.add(btnThree, null);
pnlKeyPad.add(btnFour, null);
pnlKeyPad.add(btnFive, null);
pnlKeyPad.add(btnSix, null);
pnlKeyPad.add(btnSeven, null);
pnlKeyPad.add(btnEight, null);
pnlKeyPad.add(btnNine, null);
pnlKeyPad.add(btnStar, null);
pnlKeyPad.add(btnZero, null);
pnlKeyPad.add(btnHash, null);
}
public static void main(String args[])
{
telephoneKeypad kpad = new telephoneKeypad();
kpad.setBounds(500, 500, 500, 500);
kpad.setVisible(true);
}
}
“这两者都非常罕见。”我通常会编写一个混合applet /应用程序 - 即使代码只是作为一个applet运行。它可以使开发更快。 – 2011-04-11 08:55:08
@Andrew:我应该说的话可能不同。根据我的经验,如果制作混合应用程序,应该以不同的方式进行布局。 – 2011-04-11 09:02:49