computerframe.java~268~

这是一个小的计算器

package computer;

import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.*;
import java.awt.*;
import com.borland.jbcl.layout.PaneLayout;
import com.borland.jbcl.layout.*;
import javax.swing.border.TitledBorder;
import javax.swing.border.BevelBorder;
import javax.swing.border.Border;
import java.awt.event.MouseEvent;
import java.awt.event.MouseAdapter;
import javax.swing.event.MenuEvent;
import javax.swing.event.MenuListener;

/**
 * <p>Title:zhangwenbo</p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2007</p>
 *
 * <p>Company: ppworkplace</p>
 *
 * @author not attributable
 * @version 1.0 for pp
 */
public class computerframe extends JFrame {
    JPanel contentPane;
    JMenuBar jMenuBar1 = new JMenuBar();
    JMenu jMenuFile = new JMenu();
    JMenuItem jMenuFileExit = new JMenuItem();
    JPanel jPanel1 = new JPanel();
    JPanel jPanel2 = new JPanel();
    PaneLayout paneLayout1 = new PaneLayout();
    GridLayout gridLayout1 = new GridLayout();
    JLabel labelinput = new JLabel();
    JLabel labelresult = new JLabel();
    TitledBorder titledBorder1 = new TitledBorder("");
    TitledBorder titledBorder2 = new TitledBorder("");
    Border border1 = BorderFactory.createBevelBorder(BevelBorder.LOWERED,
            Color.white, Color.white, new Color(116, 118, 122),
            new Color(166, 170, 175));
    PaneLayout paneLayout2 = new PaneLayout();
    JPanel jPanel3 = new JPanel();
    JPanel jPanel4 = new JPanel();
    JTextField textfield = new JTextField();
    BorderLayout borderLayout1 = new BorderLayout();
    XYLayout xYLayout1 = new XYLayout();
    JButton btbackspace = new JButton();
    JButton btce = new JButton();
    JButton bt7 = new JButton();
    JButton bt8 = new JButton();
    JButton bt9 = new JButton();
    JButton btdivide = new JButton();
    JButton btsqrt = new JButton();
    JButton bt4 = new JButton();
    JButton bt5 = new JButton();
    JButton bt6 = new JButton();
    JButton btmulti = new JButton();
    JButton btpercent = new JButton();
    JButton bt1 = new JButton();
    JButton bt2 = new JButton();
    JButton bt3 = new JButton();
    JButton btsub = new JButton();
    JButton btreciprocal = new JButton();
    JButton bt0 = new JButton();
    JButton btplus = new JButton();
    JButton btdot = new JButton();
    JButton btadd = new JButton();
    JButton btequal = new JButton();
    JMenu jMenu1 = new JMenu();
    JMenuItem jMenuItem1 = new JMenuItem();
    JMenu jMenu2 = new JMenu();
    JMenu jMenu3 = new JMenu();

    String operaterone = null;
    String operatertwo = null;
    int computecase = 0;
    boolean fuhaoresult=false;
    boolean fuhaomath=false;
    boolean havedotsymbol=false;
    JMenuItem jMenuItem2 = new JMenuItem();
    JMenuItem jMenuItem3 = new JMenuItem();
    JMenuItem jMenuItem4 = new JMenuItem();
    JMenuItem jMenuItem5 = new JMenuItem();
    JMenuItem jMenuItem6 = new JMenuItem();
    JMenuItem jMenuItem7 = new JMenuItem();
    public computerframe() {
        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(paneLayout1);
        this.setResizable(false);
        setSize(new Dimension(355, 370));
        setTitle("computer");
        jMenuFile.setText("文件");
        jMenuFileExit.setText("退出");
        jMenuFileExit.addActionListener(new
                                        computerframe_jMenuFileExit_actionAdapter(this));
        //jMenuFileExit.addActionListener(new
        //                                computerframe_jMenuFileExit_ActionAdapter(this));
        jPanel1.setLayout(gridLayout1);
        gridLayout1.setColumns(2);
        gridLayout1.setHgap(1);
        gridLayout1.setVgap(1);
        labelinput.setBackground(UIManager.getColor("ToolBar.light"));
        labelinput.setBorder(titledBorder2);
        labelinput.setOpaque(true);
        labelinput.setText("Input:");
        labelresult.setBackground(UIManager.getColor("ToolBar.light"));
        labelresult.setBorder(titledBorder1);
        labelresult.setOpaque(true);
        labelresult.setText("Result:");
        jPanel1.setBackground(SystemColor.window);
        jPanel1.setBorder(BorderFactory.createLoweredBevelBorder());
        jPanel2.setLayout(paneLayout2);
        textfield.setText("0");
        textfield.setHorizontalAlignment(SwingConstants.RIGHT);
        jPanel3.setLayout(borderLayout1);
        borderLayout1.setVgap(5);
        jPanel4.setLayout(xYLayout1);
        btbackspace.setText("BackSpace");
        btbackspace.addActionListener(new
                                      computerframe_btbackspace_actionAdapter(this));
        btce.setText("C E");
        btce.addActionListener(new computerframe_btce_actionAdapter(this));
        bt7.setText("7");
        bt7.addActionListener(new computerframe_bt7_actionAdapter(this));
        bt8.setText("8");
        bt8.addActionListener(new computerframe_bt8_actionAdapter(this));
        bt9.setText("9");
        btdivide.setText("/");
        btsqrt.setText("sqrt");
        btsqrt.addActionListener(new computerframe_btsqrt_actionAdapter(this));
        bt4.setText("4");
        bt4.addActionListener(new computerframe_bt4_actionAdapter(this));
        bt5.setText("5");
        bt5.addActionListener(new computerframe_bt5_actionAdapter(this));
        bt6.setText("6");
        bt6.addActionListener(new computerframe_bt6_actionAdapter(this));
        btmulti.setText("*");
        btmulti.addActionListener(new computerframe_btmulti_actionAdapter(this));
        btpercent.setText("%");
        bt1.setText("1");
        bt1.addActionListener(new computerframe_bt1_actionAdapter(this));
        bt2.setText("2");
        bt2.addActionListener(new computerframe_bt2_actionAdapter(this));
        bt3.setText("3");
        bt3.addActionListener(new computerframe_bt3_actionAdapter(this));
        btsub.setText("-");
        btreciprocal.setText("1/x");
        btreciprocal.addActionListener(new
                                       computerframe_btreciprocal_actionAdapter(this));
        bt0.setText("0");
        bt0.addActionListener(new computerframe_bt0_actionAdapter(this));
        btplus.setText("+/-");
        btplus.addActionListener(new computerframe_btplus_actionAdapter(this));
        btdot.setText(".");
        btadd.setText("+");
        btadd.addActionListener(new computerframe_btadd_actionAdapter(this));
        btequal.setText("=");
        btequal.addActionListener(new computerframe_btequal_actionAdapter(this));
        jPanel4.setBackground(UIManager.getColor("ToolBar.light"));
        jMenu1.setText("符号");
        jMenuItem1.setText("加");
        jMenuItem1.addActionListener(new computerframe_jMenuItem1_actionAdapter(this));
        jMenu2.setText("计算");
        jMenu2.addMenuListener(new computerframe_jMenu2_menuAdapter(this));
        jMenu3.setText("退出"); //jMenu3.addActionListener(new computerframe_jMenu3_actionAdapter(this));
        jMenu3.addMouseListener(new computerframe_jMenu3_mouseAdapter(this));
        bt9.addActionListener(new computerframe_bt9_actionAdapter(this));
        btsub.addActionListener(new computerframe_btsub_actionAdapter(this));
        btdivide.addActionListener(new computerframe_btdivide_actionAdapter(this));
        //btreciprocal.addActionListener(new
        //                               computerframe_btreciprocal_actionAdapter(this));
        btpercent.addActionListener(new computerframe_btpercent_actionAdapter(this));
        btdot.addActionListener(new computerframe_btdot_actionAdapter(this));
        jMenuItem2.setText("减");
        jMenuItem2.addActionListener(new computerframe_jMenuItem2_actionAdapter(this));
        jMenuItem3.setText("乘");
        jMenuItem3.addActionListener(new computerframe_jMenuItem3_actionAdapter(this));
        jMenuItem5.setText("1/x");
        jMenuItem5.addActionListener(new computerframe_jMenuItem5_actionAdapter(this));
        jMenuItem6.setText("%");
        jMenuItem6.addActionListener(new computerframe_jMenuItem6_actionAdapter(this));
        jMenuItem7.setText("sqrt");
        jMenuItem7.addActionListener(new computerframe_jMenuItem7_actionAdapter(this));
        jMenuItem4.addActionListener(new computerframe_jMenuItem4_actionAdapter(this));
        jMenuBar1.add(jMenuFile);
        jMenuBar1.add(jMenu1);
        jMenuBar1.add(jMenu2);
        jMenuBar1.add(jMenu3);
        jMenuFile.add(jMenuFileExit);
        jPanel1.add(labelinput);
        jPanel1.add(labelresult);
        jPanel3.add(textfield, java.awt.BorderLayout.CENTER);
        jPanel2.add(jPanel3, new PaneConstraints("jPanel3", "jPanel3",
                                                 PaneConstraints.ROOT, 0.5F));
        jPanel2.add(jPanel4, new PaneConstraints("jPanel4", "jPanel3",
                                                 PaneConstraints.BOTTOM,
                                                 0.8850174F));
        jPanel4.add(btsqrt, new XYConstraints(275, 69, 52, -1));
        jPanel4.add(btpercent, new XYConstraints(275, 116, 52, -1));
        jPanel4.add(btreciprocal, new XYConstraints(275, 163, 52, -1));
        jPanel4.add(btequal, new XYConstraints(275, 208, 52, -1));
//        jPanel4.add(btdivide,w XYConstraints(215,69,52,-1));
        jPanel4.add(btdivide, new XYConstraints(215,69,52,-1));
        jPanel4.add(bt9, new XYConstraints(150, 69, 52, -1));
        jPanel4.add(bt7, new XYConstraints(20, 69, 52, -1));
        jPanel4.add(btsub, new XYConstraints(215, 163, 52, -1));
        jPanel4.add(bt6, new XYConstraints(150, 116, 52, -1));
        jPanel4.add(bt3, new XYConstraints(150, 163, 52, -1));
        jPanel4.add(btdot, new XYConstraints(150, 208, 52, -1));
        jPanel4.add(bt2, new XYConstraints(85, 163, 52, -1));
        jPanel4.add(btplus, new XYConstraints(85, 208, 52, -1));
        jPanel4.add(bt4, new XYConstraints(20, 116, 52, -1));
        jPanel4.add(bt1, new XYConstraints(20, 163, 52, -1));
        jPanel4.add(bt0, new XYConstraints(20, 208, 52, -1));
        jPanel4.add(btce, new XYConstraints(215, 19, 111, 26));
        jPanel4.add(bt8, new XYConstraints(85, 69, 52, -1));
        jPanel4.add(btbackspace, new XYConstraints(85, 19, 115, 26));
        contentPane.add(jPanel2,
                        new PaneConstraints("jPanel2", "jPanel2",
                                            PaneConstraints.ROOT, 0.5F));
        contentPane.add(jPanel1,
                        new PaneConstraints("jPanel1", "jPanel2",
                                            PaneConstraints.BOTTOM, 0.081009F));
        jMenu1.add(jMenuItem1);
        jMenu1.add(jMenuItem2);
        jMenu1.add(jMenuItem3);
        jMenu1.add(jMenuItem4);
        jMenu1.addSeparator();
        jMenu1.add(jMenuItem5);
        jMenu1.add(jMenuItem6);
        jMenu1.add(jMenuItem7);
        jPanel4.add(bt2, new XYConstraints(85, 163, 52, 24));
        jPanel4.add(bt5, new XYConstraints(85, 116, 52, 24));
        jPanel4.add(btmulti, new XYConstraints(215, 116, 52, -1));
        jPanel4.add(btadd, new XYConstraints(217, 208, 52, -1));
        setJMenuBar(jMenuBar1);
    }

    public void btce_actionPerformed(ActionEvent e) {
        textfield.setText("0");

    }

    public void bt1_actionPerformed(ActionEvent e) {
       onetonine onenine=new onetonine();
       onenine.onenine("1");
    }

    public void bt2_actionPerformed(ActionEvent e) {
        onetonine onenine=new onetonine();
        onenine.onenine("2");
    }

    public void bt3_actionPerformed(ActionEvent e) {
        onetonine onenine=new onetonine();
        onenine.onenine("3");
    }

    public void bt4_actionPerformed(ActionEvent e) {
        onetonine onenine=new onetonine();
        onenine.onenine("4");
    }

    public void bt5_actionPerformed(ActionEvent e) {
        onetonine onenine=new onetonine();
        onenine.onenine("5");
    }

    public void bt6_actionPerformed(ActionEvent e) {
        onetonine onenine=new onetonine();
        onenine.onenine("6");
    }

    public void bt7_actionPerformed(ActionEvent e) {
        onetonine onenine=new onetonine();
        onenine.onenine("7");
    }

    public void bt8_actionPerformed(ActionEvent e) {
        onetonine onenine=new onetonine();
        onenine.onenine("8");
    }

    public void bt9_actionPerformed(ActionEvent e) {
        onetonine onenine=new onetonine();
        onenine.onenine("9");
    }

    public void bt0_actionPerformed(ActionEvent e) {
        onetonine onenine=new onetonine();
        onenine.onenine("0");
    }

    ////加法computecase 1
    ////减法computecase 2
    ////乘法computecase 3
    ////除法computecase 4
    ////倒数computecase 5
    ////百分比computecase 6
    ////平方根computecase 7
    public void btadd_actionPerformed(ActionEvent e) {
        mathsymbol symbol=new mathsymbol();
        symbol.mathsetup(1);
        labelinput.setText(textfield.getText()+"+");
    }

    public void btsub_actionPerformed(ActionEvent e) {
        mathsymbol symbol=new mathsymbol();
        symbol.mathsetup(2);
        labelinput.setText(textfield.getText()+"-");
    }

    public void btequal_actionPerformed(ActionEvent e) {
        float a, b, result=0;
        a = Float.parseFloat(operaterone);
        operatertwo = textfield.getText();
        b = Float.parseFloat(operatertwo);

        switch (computecase) {
        case 1:
            result = a + b;
            textfield.setText("" + result);
            break;
        case 2:
            result = a - b;
            textfield.setText("" + result);
            break;
        case 3:
            result = a * b;
            textfield.setText("" + result);
            break;
        case 4:
            result = a / b;
            textfield.setText("" + result);
            break;
        case 6:
            result = a % b;
            textfield.setText("" + result);
            break;
        }
        this.labelresult.setText("Result: "+result);
        if(textfield.getText().matches("0"))
            textfield.setText("0");
        fuhaoresult = true;
    }

    public void btmulti_actionPerformed(ActionEvent e) {
        mathsymbol symbol=new mathsymbol();
        symbol.mathsetup(3);
    }

    public void btdivide_actionPerformed(ActionEvent e) {
        mathsymbol symbol=new mathsymbol();
        symbol.mathsetup(4);
    }

    public void btreciprocal_actionPerformed(ActionEvent e) {
        float daoshu,jieguo=0;
        daoshu=Float.parseFloat(textfield.getText());
        if(daoshu==0){
            JOptionPane.showConfirmDialog(this,"        0没有倒数","错误",JOptionPane.CLOSED_OPTION,JOptionPane.ERROR_MESSAGE);
            textfield.setText("0");
        }else{
            jieguo=1/daoshu;
        }
        textfield.setText(""+jieguo);
        fuhaomath = true;
    }

    public void btsqrt_actionPerformed(ActionEvent e) {
        float sqrtnum;
        sqrtnum=Float.parseFloat(textfield.getText());
        if(sqrtnum<0){
            JOptionPane.showConfirmDialog(this,"      负数不能开根方","错误",JOptionPane.CLOSED_OPTION,JOptionPane.ERROR_MESSAGE);
        }else{
            textfield.setText(""+java.lang.Math.sqrt(sqrtnum));
        }
        fuhaomath = true;
    }

    public void btpercent_actionPerformed(ActionEvent e) {
        mathsymbol symbol=new mathsymbol();
        symbol.mathsetup(6);
    }

    public void btdot_actionPerformed(ActionEvent e) {
        String beforetext=textfield.getText();
        if(beforetext.matches("0")||beforetext.matches("0.")||beforetext.matches("0.0")||fuhaomath||fuhaoresult){
            //if(havesymbol){
                textfield.setText("0.");
                fuhaomath=false;
                fuhaoresult=false;
                havedotsymbol=true;
           // }
        }else{
            if(!havedotsymbol){
                textfield.setText(beforetext + ".");
                havedotsymbol=true;
            }else{
                textfield.setText(beforetext);
            }
        }
    }

    public void btplus_actionPerformed(ActionEvent e) {
        String str=textfield.getText();
        float tempnum=Float.parseFloat(str);
        if(tempnum>0){
            textfield.setText("-"+str);
            //str.
        }
        if(tempnum<0){
            textfield.setText(""+str.substring(1));
        }
    }

    public void btbackspace_actionPerformed(ActionEvent e) {
        String stri=textfield.getText();
        float strii=Float.parseFloat(stri);
        int striii=(int)strii/10;
        textfield.setText(""+striii);
    }

    public void jMenuItem1_actionPerformed(ActionEvent e) {
        btadd_actionPerformed(e);
    }

    public void jMenu3_mouseClicked(MouseEvent e) {
        System.exit(0);
    }

    public void jMenu2_menuSelected(MenuEvent e) {
        //btequal_actionPerformed(e);
        float a, b, result;
        a = Float.parseFloat(operaterone);
        operatertwo = textfield.getText();
        b = Float.parseFloat(operatertwo);

        switch (computecase) {
        case 1:
            result = a + b;
            textfield.setText("" + result);
            break;
        case 2:
            result = a - b;
            textfield.setText("" + result);
            break;
        case 3:
            result = a * b;
            textfield.setText("" + result);