java计算器课程设计.docx

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1、package bai1;import java.awt.event.*;import java.awt.*;import javax.swing.*;public class Demo public static class demoJFrame j=new JFrame(计算机);JPanel p=new JPanel();JPanel p1=new JPanel();JPanel p2=new JPanel();JPanel p3=new JPanel();JTextField t=new JTextField();JMenuBar bar1=new JMenuBar();JMenu m

2、nu1=new JMenu(查 看);/JMenu num2=new JMenu(选择);JMenuItem item1=new JMenuItem(标准型);JMenuItem item2=new JMenuItem(科学型);/JMenuItem item2=new JMenuItem(十进制);JRadioButton jbt1=new JRadioButton(十进制);JRadioButton jbt2=new JRadioButton(二进制);JRadioButton jbt3=new JRadioButton(八进制);JRadioButton jbt4=new JRadioB

3、utton(十六进制);ButtonGroup grp1=new ButtonGroup();/JRadioButton jbt1=new JRadioButton(十进制);/-科学性-JButton b13=new JButton(MOD);JButton b14=new JButton(asin);JButton b15=new JButton(acos);JButton b16=new JButton(atan);JButton b17=new JButton(INT);JButton b18=new JButton();JButton b19=new JButton(!);JButt

4、on b20=new JButton(1/x);JButton b21=new JButton(log);JButton b22=new JButton(ln);JButton b23=new JButton(sin);JButton b24=new JButton(cos);JButton b25=new JButton(tan);JButton b26=new JButton();JButton b27=new JButton(e);JButton b28=new JButton(%);/-标准型-JButton bt1=new JButton(1);JButton bt2=new JBu

5、tton(2);JButton bt3=new JButton(3);JButton bt4=new JButton(4);JButton bt5=new JButton(5);JButton bt6=new JButton(6);JButton bt7=new JButton(7);JButton bt8=new JButton(8);JButton bt9=new JButton(9);JButton bt10=new JButton(0);JButton bt0=new JButton(00);JButton bt11=new JButton(.);JButton bt12=new JB

6、utton(+);JButton bt13=new JButton(-);JButton bt14=new JButton(*);JButton bt15=new JButton(/);JButton bt16=new JButton(=);JButton bt17=new JButton();JButton bt18=new JButton(复位);JButton bt19=new JButton(删除);Font font = new Font(仿宋, 1, 22);boolean end=true ;double pai=3.9;double e1= 2.9;String str=,s1

7、=,s2=;int id=0;double c=0;double d=0;int h;demo()bar1.add(mnu1);mnu1.add(item1);mnu1.add(item2);j.setLayout(null);p.setLayout(new GridLayout(4,5);p1.setLayout(new GridLayout(4,3);p2.setLayout(new GridLayout (4,4);p1.setBackground(Color.BLACK);j.setBounds(50, 50, 500, 600);p.setBounds(50, 150,400, 40

8、0);p1.setBounds(50, 150, 200,300);p2.setBounds(253, 225, 300, 226);t.setBounds(50,40,400,100);bar1.setSize(500, 30);t.setFont(font);jbt1.setPreferredSize(new Dimension(80, 30);jbt2.setPreferredSize(new Dimension(80, 30);jbt3.setPreferredSize(new Dimension(80, 30);jbt4.setPreferredSize(new Dimension(

9、80, 30);grp1.add(jbt1);grp1.add(jbt2);grp1.add(jbt3);grp1.add(jbt4);p3.add(jbt1);p3.add(jbt2);p3.add(jbt3);p3.add(jbt4);p2.add(b13);p2.add(b17);p2.add(b21);p2.add(b25);p2.add(b14);p2.add(b18);p2.add(b22);p2.add(b26);p2.add(b15);p2.add(b19);p2.add(b23);p2.add(b27);p2.add(b16);p2.add(b20);p2.add(b24);

10、p2.add(b28);p.add(bt7);p.add(bt8);p.add(bt9);p.add(bt14);p.add(bt17);p.add(bt4);p.add(bt5);p.add(bt6);p.add(bt15);p.add(bt18);p.add(bt1);p.add(bt2);p.add(bt3);p.add(bt12);p.add(bt19);p.add(bt10);p.add(bt0);p.add(bt11);p.add(bt13);p.add(bt16);j.add(bar1);j.add(t);p.setVisible(false);p1.setVisible(fal

11、se);p2.setVisible(false);p3.setVisible(false);j.setVisible(true);run();public void run()h=1;if(h=1)bt1.addActionListener(new ActionListener()public void actionPerformed(ActionEvent e)/s1+=str;str+=1;s2+=1;t.setText(s2); System.out.println(1被点击); System.out.println(h=+h); );/bt1.removeAll();bt2.addAc

12、tionListener(new ActionListener()public void actionPerformed(ActionEvent e)str+=2;s2+=2;t.setText(str); System.out.println(2被点击); );bt2.removeAll();bt3.addActionListener(new ActionListener()public void actionPerformed(ActionEvent e)str+=3;s2+=3;t.setText(str);System.out.println(s1+=+s1+ +s2+=+s2);Sy

13、stem.out.println(str+=+str); System.out.println(3被点击); );bt4.addActionListener(new ActionListener()public void actionPerformed(ActionEvent e) str+=4; s2+=4; t.setText(str); System.out.println(4被点击); );bt5.addActionListener(new ActionListener()public void actionPerformed(ActionEvent e)str+=5;s2+=5;t.

14、setText(str); System.out.println(5被点击); );bt6.addActionListener(new ActionListener()public void actionPerformed(ActionEvent e)str+=6;s2+=6;t.setText(str); System.out.println(6被点击); );bt7.addActionListener(new ActionListener()public void actionPerformed(ActionEvent e)str+=7;s2+=7;t.setText(str); Syst

15、em.out.println(7被点击); );bt8.addActionListener(new ActionListener()public void actionPerformed(ActionEvent e)str+=8;s2+=8;t.setText(str); System.out.println(8被点击); );bt9.addActionListener(new ActionListener()public void actionPerformed(ActionEvent e)str+=9;s2+=9;t.setText(str); System.out.println(9被点

16、击); );bt10.addActionListener(new ActionListener()public void actionPerformed(ActionEvent e)str+=0;s2+=0;t.setText(str); System.out.println(0被点击); );bt0.addActionListener(new ActionListener()public void actionPerformed(ActionEvent e)if(e.getSource()=bt0) str+=00; s2+=00; t.setText(str););bt11.addActi

17、onListener(new ActionListener()public void actionPerformed(ActionEvent e)str+=.;s2+=.;t.setText(str););jbt2.addActionListener(new ActionListener()public void actionPerformed(ActionEvent e)h=2;if(h=2)bt1.addActionListener(new ActionListener()public void actionPerformed(ActionEvent e)s2+=1;str+=1;doub

18、le x=Double.parseDouble(s2);String v;/v=String.valueOf(c);v=Integer.toBinaryString(int) x);str=v; / c=Double.parseDouble(v); / str.valueOf(c); t.setText(str); System.out.print(2进制); System.out.println(h=+h);););jbt3.addActionListener(new ActionListener()public void actionPerformed(ActionEvent e);jbt

19、4.addActionListener(new ActionListener()public void actionPerformed(ActionEvent e);item1.addMouseListener(new MouseAdapter()public void mousePressed(MouseEvent e)p.setBounds(50, 150,400, 400);t.setBounds(50,40,400,100);j.setBounds(50, 50, 600, 600);/p3.setLayout(null);p3.setBounds(450, 150, 100, 400

20、);j.add(p);j.add(p3);p2.setVisible(false);p1.setVisible(false);p3.setVisible(true);p.setVisible(true);System.out.print(dd););item2.addMouseListener(new MouseAdapter()public void mousePressed(MouseEvent e)p.setVisible(false);p3.setVisible(false);p.setBounds(50, 150, 300, 300);p2.setBounds(355, 150, 3

21、00, 300);j.setBounds(50, 50, 710, 500);t.setBounds(50,40,600,100);bar1.setSize(710, 30);j.add(p);j.add(p2);p.setVisible(true);p2.setVisible(true););/-/-bt12.addActionListener(new ActionListener()public void actionPerformed(ActionEvent e) s1=str; str=; str=+; id=1; s2=; System.out.println(s1+=+s1+ +s

22、2+=+s2);System.out.println(str+=+str); double a=Double.parseDouble(s1);System.out.println(s1+=+s1);if(s2!=)double b=Double.parseDouble(s2);System.out.println(s2+=+s2);c=c+b;elsec=a+c;System.out.println(c+=+c); str = String.valueOf(c); t.setText(str);str=; System.out.println(+被点击); );bt13.addActionLi

23、stener(new ActionListener()public void actionPerformed(ActionEvent e) id=2; double b=Double.parseDouble(s2); System.out.println(d+=+d); if(d=0) System.out.println(d+=+d); c=d-b; d=-c; c=d; System.out.println(d+=+d); str = String.valueOf(c); t.setText(str); s1=s2; s2=; str=; else c=c-b; System.out.pr

24、intln(s1+=+s1+ +s2+=+s2);System.out.println(str+= +str); System.out.println(c+=+c); str = String.valueOf(c); t.setText(str);s1=s2;s2=;str=; System.out.println(id=+id); System.out.println(-被点击););bt14.addActionListener(new ActionListener()public void actionPerformed(ActionEvent e)s1=str;str+=*;s2=;id

25、=3;t.setText(str); System.out.print(*被点击); );bt15.addActionListener(new ActionListener()public void actionPerformed(ActionEvent e)s1=str;str+=/;s2=;id=4;t.setText(str); System.out.println(/被点击); );bt17.addActionListener(new ActionListener()public void actionPerformed(ActionEvent e)s1=str;str+=;s2=;i

26、d=5;t.setText(str);System.out.println(被点击););bt16.addActionListener(new ActionListener()public void actionPerformed(ActionEvent e)System.out.println(id=mm+id);System.out.println(id=mm);System.out.println(s1=mm+s1);System.out.println(s2=mm+s2);if(id0) ;elsedouble x=Double.parseDouble(s1);double y=Dou

27、ble.parseDouble(s2);double z;switch(id)case 1: double b=Double.parseDouble(s2); c=c+b; break;case 2:System.out.println(fdkuj); c=c-y;break;case 3: double l=Double.parseDouble(s1);double f=Double.parseDouble(s2);c=l*f;break;case 4: double h=Double.parseDouble(s1);double j=Double.parseDouble(s2);Syste

28、m.out.println(ssssssssssss);System.out.println(s1);System.out.println(s2);c=h/j;break;case 5: double p=Double.parseDouble(s1);double q=Double.parseDouble(s2);c=Math.pow(p,q);break;case 6: c=(int)(x/y);System.out.println(c=+c);break;case 7:d=(int)(x/y);c=(x/y)-d;break;case 8:double g,k;k=Math.log(x);

29、g=Math.log(y);c=g/k;System.out.println(log函数执行);System.out.println(g=+g);System.out.println(k=+k);break;case 9:c = Math.log(x); break;case 10:c=Math.sqrt(x); break;case 11:double t=1;for(double i=1;i=x;i+)t=t*i;c=t; break; case 12:c=Math.sin(Math.toRadians(x);break;case 13:c=Math.cos(Math.toRadians(

30、x);break;case 14:c=Math.tan(Math.toRadians(x);break;/case 15:/String v;/v=String.valueOf(c);/v=Integer.toBinaryString(int) x);/ c=Double.parseDouble(v);/break; case 15: c=Math.asin(Math.toRadians(x); break; case 16: c=Math.acos(Math.toRadians(x); break; case 17: c=Math.atan(Math.toRadians(x); break;

31、 case 18: String v,w;/v=String.valueOf(c);v=Integer.toBinaryString(int) x); c=Double.parseDouble(v); /v=String.valueOf(c);w=Integer.toBinaryString(int) y); c=Double.parseDouble(v); str=;s2=;s1=;str+=String.valueOf(double)c);t.setText(str);System.out.println(aaaa);System.out.println(str+=+str);System.out.println(bbbb););bt18.addActionListener(new ActionLi