电话拨号盘的实现 - JAVA论坛

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电话拨号盘的实现

import java.awt.*; import java.awt.event.*; import javax.swing.*; import javax.swing.event.*;

public class Myframe50 extends JFrame implements ActionListener { JTextField txt1,txt2; Mypanel1 p1; public Myframe50() { setTitle("电话拨号盘"); txt1=new JTextField(20); txt2=new JTextField(20); p1=new Mypanel1(); this.getContentPane().setLayout(new BorderLayout()); this.getContentPane().add(txt1,BorderLayout.NORTH); this.getContentPane().add(p1,BorderLayout.CENTER); this.getContentPane().add(txt2,BorderLayout.SOUTH); p1.b1.addActionListener(this); p1.b2.addActionListener(this); p1.b3.addActionListener(this); p1.b4.addActionListener(this); p1.b5.addActionListener(this); p1.b6.addActionListener(this); p1.b7.addActionListener(this); p1.b8.addActionListener(this); p1.b9.addActionListener(this); p1.b10.addActionListener(this); p1.b11.addActionListener(this); p1.b12.addActionListener(this); setSize(200,250); setLocation(300,300); setVisible(true); } public void actionPerformed(ActionEvent e) { if(e.getSource()==p1.b10) { txt1.setText(""); txt2.setText(""); } else if(e.getSource()==p1.b12) { if(Long.parseLong(txt1.getText())==110||Long.parseLong(txt1.getText())==119) { txt2.setText("正在拨号:"+txt1.getText()); } else if(txt1.getText().charAt(0)=='0') { txt2.setText("无效号码:"+txt1.getText()); } else { if(txt1.getText().length()==8) { txt2.setText("正在拨号"+txt1.getText()); } else { txt2.setText("不是市话"); } } } } public static void main(String args[]) { new Myframe50(); } } class Mypanel1 extends JPanel { JButton b1,b2,b3,b4,b5,b6,b7,b8,b9,b10,b11,b12; Font f; public Mypanel1() { f=new Font("Arial",Font.BOLD,14); b1=new JButton("1"); b2=new JButton("2"); b3=new JButton("3"); b4=new JButton("4"); b5=new JButton("5"); b6=new JButton("6"); b7=new JButton("7"); b8=new JButton("8"); b9=new JButton("9"); b10=new JButton("*"); b11=new JButton("0"); b12=new JButton("#"); b1.setFont(f); b2.setFont(f); b3.setFont(f); b4.setFont(f); b5.setFont(f); b6.setFont(f); b7.setFont(f); b8.setFont(f); b9.setFont(f); b10.setFont(f); b11.setFont(f); b12.setFont(f); this.setLayout(new GridLayout(4,3)); this.add(b1); this.add(b2); this.add(b3); this.add(b4); this.add(b5); this.add(b6); this.add(b7); this.add(b8); this.add(b9); this.add(b10); this.add(b11); this.add(b12); } } 各位高人,我初学JAVA,我做了一个电话拨号盘的程序,在文本域中得到单击按钮的名称,比如:单击 b1,再次单击b1,有单击b11,在文本域中应该得到１１０，用ＪＡＶＡ咋实现？

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第 2 楼

得分:0

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;

public class Myframe50 extends JFrame
{
  JTextField txt1,txt2;
  Mypanel1 p1;
  public Myframe50()
  {
    setTitle("电话拨号盘");
    txt1=new JTextField(20);
    txt2=new JTextField(20);
    p1=new Mypanel1(txt1, txt2);
    this.getContentPane().setLayout(new BorderLayout());
    this.getContentPane().add(txt1,BorderLayout.NORTH);
    this.getContentPane().add(p1,BorderLayout.CENTER);
    this.getContentPane().add(txt2,BorderLayout.SOUTH);
    setSize(200,250);
    setLocation(300,300);
    setDefaultCloseOperation(EXIT_ON_CLOSE);
    setVisible(true);
  }

  public static void main(String args[])
  {
    new Myframe50();
  }
}
class Mypanel1 extends JPanel implements ActionListener
{
  JButton b1,b2,b3,b4,b5,b6,b7,b8,b9,b10,b11,b12;
  Font f;
  JTextField txt1,txt2;
  StringBuffer sb = new StringBuffer();

  public Mypanel1(JTextField txt1, JTextField txt2)
  {
    this.txt1 = txt1;
    this.txt2 = txt2;
    f=new Font("Arial",Font.BOLD,14);
    b1=new JButton("1");
    b2=new JButton("2");
    b3=new JButton("3");
    b4=new JButton("4");
    b5=new JButton("5");
    b6=new JButton("6");
    b7=new JButton("7");
    b8=new JButton("8");
    b9=new JButton("9");
    b10=new JButton("*");
    b11=new JButton("0");
    b12=new JButton("#");
    b1.addActionListener(this);
    b2.addActionListener(this);
    b3.addActionListener(this);
    b4.addActionListener(this);
    b5.addActionListener(this);
    b6.addActionListener(this);
    b7.addActionListener(this);
    b8.addActionListener(this);
    b9.addActionListener(this);
    b10.addActionListener(this);
    b11.addActionListener(this);
    b12.addActionListener(this);
    b1.setFont(f);
    b2.setFont(f);
    b3.setFont(f);
    b4.setFont(f);
    b5.setFont(f);
    b6.setFont(f);
    b7.setFont(f);
    b8.setFont(f);
    b9.setFont(f);
    b10.setFont(f);
    b11.setFont(f);
    b12.setFont(f);
    this.setLayout(new GridLayout(4,3));
    this.add(b1);
    this.add(b2);
    this.add(b3);
    this.add(b4);
    this.add(b5);
    this.add(b6);
    this.add(b7);
    this.add(b8);
    this.add(b9);
    this.add(b10);
    this.add(b11);
    this.add(b12);
  }
  public void actionPerformed(ActionEvent e)
  {
    if(e.getSource()==b1)
    {
      sb.append('1');
      txt1.setText(sb.toString());
    }
    else if(e.getSource()==b2)
    {
      sb.append('2');
      txt1.setText(sb.toString());
    }
    else if(e.getSource()==b3)
    {
      sb.append('3');
      txt1.setText(sb.toString());
    }
    else if(e.getSource()==b4)
    {
      sb.append('4');
      txt1.setText(sb.toString());
    }
    else if(e.getSource()==b5)
    {
      sb.append('5');
      txt1.setText(sb.toString());
    }
    else if(e.getSource()==b6)
    {
      sb.append('6');
      txt1.setText(sb.toString());
    }
    else if(e.getSource()==b7)
    {
      sb.append('7');
      txt1.setText(sb.toString());
    }
    else if(e.getSource()==b8)
    {
      sb.append('8');
      txt1.setText(sb.toString());
    }
    else if(e.getSource()==b9)
    {
      sb.append('9');
      txt1.setText(sb.toString());
    }
    else if(e.getSource()==b10)
    {
      txt1.setText(null);
      txt2.setText(null);
      sb = new StringBuffer();
    }
    else if(e.getSource()==b11)
    {
      sb.append('0');
      txt1.setText(sb.toString());
    }
    else if(e.getSource()==b12)
    {
      if(txt1.getText().equals("110")||txt1.getText().equals("119"))
      {
        txt2.setText("正在拨号:"+txt1.getText());
      }
      else if(txt1.getText().charAt(0)=='0')
      {
        txt2.setText("无效号码:"+txt1.getText());
      }
      else
      {
        if(txt1.getText().length()==8)
        {
          txt2.setText("正在拨号"+txt1.getText());
        }
        else
        {
          txt2.setText("不是市话");
        }
      }
    }
  }
}