jframecaculator.java

用Java实现windows计算器

/*
 * JFrameCaculator.java
 *
 * Created on 2007年4月29日, 下午1:26
 */

package gui;

import javax.xml.stream.events.StartDocument;
import java.util.Calendar;
import javax.swing.*;
import java.io.*;
/**
 *
 * @author  Administrator
 */
public class JFrameCaculator extends javax.swing.JFrame {
    
    private String firOper = "";
    private String secOper = "";
    private String op;
    private String firSign = "+";
    private String secSign = "-";
    private String memNum = "";
    
    
    private boolean operandType = true;
    private boolean firOperContinue = false;
    /** Creates new form JFrameCaculator */
    public JFrameCaculator() {
        initComponents();
        this.jTextFieldMem.setText("M");
    }
    public double getResult(String operator,double firstOperand,double secOperand){
        if(operator.equals("+"))
            return firstOperand+secOperand;
        else if(operator.equals("-"))
            return firstOperand-secOperand;
        else if(operator.equals("*"))
            return firstOperand*secOperand;
        else if(operator.equals("/"))
            return firstOperand/secOperand;
        else return 0;
        }
    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    // <editor-fold defaultstate="collapsed" desc=" 生成的代码 ">//GEN-BEGIN:initComponents
    private void initComponents() {
        jButton23 = new javax.swing.JButton();
        jSplitPaneGlobal = new javax.swing.JSplitPane();
        jPanelTop = new javax.swing.JPanel();
        jTextFieldMem = new javax.swing.JTextField();
        jTextFieldShow = new javax.swing.JTextField();
        jPanelBottom = new javax.swing.JPanel();
        jButtonSin = new javax.swing.JButton();
        jButtonMC = new javax.swing.JButton();
        jButton0 = new javax.swing.JButton();
        jButton1 = new javax.swing.JButton();
        jButton2 = new javax.swing.JButton();
        jButtonAdd = new javax.swing.JButton();
        jButtonCls = new javax.swing.JButton();
        jButtonCos = new javax.swing.JButton();
        jButtonMR = new javax.swing.JButton();
        jButton3 = new javax.swing.JButton();
        jButton4 = new javax.swing.JButton();
        jButton5 = new javax.swing.JButton();
        jButtonDec = new javax.swing.JButton();
        jButtonTime = new javax.swing.JButton();
        jButtonTan = new javax.swing.JButton();
        jButtonMS = new javax.swing.JButton();
        jButton6 = new javax.swing.JButton();
        jButton7 = new javax.swing.JButton();
        jButton8 = new javax.swing.JButton();
        jButtonMul = new javax.swing.JButton();
        jButtonSqrt = new javax.swing.JButton();
        jButtonSign = new javax.swing.JButton();
        jButtonM = new javax.swing.JButton();
        jButton9 = new javax.swing.JButton();
        jButtonPoint = new javax.swing.JButton();
        jButtonResult = new javax.swing.JButton();
        jButtonDiv = new javax.swing.JButton();
        jButtonBackSpace = new javax.swing.JButton();

        jButton23.setText("jButton23");

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setTitle("Caculator");
        setResizable(false);
        jSplitPaneGlobal.setDividerLocation(80);
        jSplitPaneGlobal.setDividerSize(10);
        jSplitPaneGlobal.setOrientation(javax.swing.JSplitPane.VERTICAL_SPLIT);
        jPanelTop.setBorder(javax.swing.BorderFactory.createEtchedBorder());
        jTextFieldMem.setEditable(false);
        jTextFieldMem.setFont(new java.awt.Font("宋体", 0, 18));
        jTextFieldMem.setToolTipText("Show the No. stored");
        jTextFieldMem.setBorder(javax.swing.BorderFactory.createBevelBorder(javax.swing.border.BevelBorder.LOWERED));

        jTextFieldShow.setFont(new java.awt.Font("宋体", 0, 18));
        jTextFieldShow.setHorizontalAlignment(javax.swing.JTextField.RIGHT);

        javax.swing.GroupLayout jPanelTopLayout = new javax.swing.GroupLayout(jPanelTop);
        jPanelTop.setLayout(jPanelTopLayout);
        jPanelTopLayout.setHorizontalGroup(
            jPanelTopLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanelTopLayout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jTextFieldMem, javax.swing.GroupLayout.PREFERRED_SIZE, 73, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(51, 51, 51)
                .addComponent(jTextFieldShow, javax.swing.GroupLayout.DEFAULT_SIZE, 343, Short.MAX_VALUE)
                .addContainerGap())
        );
        jPanelTopLayout.setVerticalGroup(
            jPanelTopLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanelTopLayout.createSequentialGroup()
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addGroup(jPanelTopLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jTextFieldShow, javax.swing.GroupLayout.PREFERRED_SIZE, 34, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jTextFieldMem, javax.swing.GroupLayout.PREFERRED_SIZE, 34, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(20, 20, 20))
        );
        jSplitPaneGlobal.setTopComponent(jPanelTop);

        jPanelBottom.setLayout(new java.awt.GridLayout(4, 6, 10, 10));

        jPanelBottom.setBorder(javax.swing.BorderFactory.createEtchedBorder());
        jButtonSin.setFont(new java.awt.Font("宋体", 1, 16));
        jButtonSin.setText("sin");
        jButtonSin.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButtonSinActionPerformed(evt);
            }
        });

        jPanelBottom.add(jButtonSin);

        jButtonMC.setFont(new java.awt.Font("宋体", 1, 16));
        jButtonMC.setForeground(new java.awt.Color(153, 0, 153));
        jButtonMC.setText("MC");
        jButtonMC.setToolTipText("Delete the No stored");
        jButtonMC.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButtonMCActionPerformed(evt);
            }
        });

        jPanelBottom.add(jButtonMC);

        jButton0.setFont(new java.awt.Font("宋体", 1, 16));
        jButton0.setForeground(new java.awt.Color(51, 51, 255));
        jButton0.setText("0");
        jButton0.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton0ActionPerformed(evt);
            }
        });

        jPanelBottom.add(jButton0);

        jButton1.setFont(new java.awt.Font("宋体", 1, 16));
        jButton1.setForeground(new java.awt.Color(51, 51, 255));
        jButton1.setText("1");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        jPanelBottom.add(jButton1);

        jButton2.setFont(new java.awt.Font("宋体", 1, 16));
        jButton2.setForeground(new java.awt.Color(51, 51, 255));
        jButton2.setText("2");
        jButton2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton2ActionPerformed(evt);
            }
        });

        jPanelBottom.add(jButton2);

        jButtonAdd.setFont(new java.awt.Font("宋体", 1, 16));
        jButtonAdd.setText("+");
        jButtonAdd.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButtonAddActionPerformed(evt);
            }
        });

        jPanelBottom.add(jButtonAdd);

        jButtonCls.setFont(new java.awt.Font("宋体", 1, 12));
        jButtonCls.setForeground(new java.awt.Color(255, 0, 0));
        jButtonCls.setText("CLS");
        jButtonCls.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButtonClsActionPerformed(evt);
            }
        });

        jPanelBottom.add(jButtonCls);

        jButtonCos.setFont(new java.awt.Font("宋体", 1, 16));
        jButtonCos.setText("cos");
        jButtonCos.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButtonCosActionPerformed(evt);
            }
        });

        jPanelBottom.add(jButtonCos);

        jButtonMR.setFont(new java.awt.Font("宋体", 1, 16));
        jButtonMR.setForeground(new java.awt.Color(102, 0, 102));
        jButtonMR.setText("MR");
        jButtonMR.setToolTipText("show the No again");
        jButtonMR.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButtonMRActionPerformed(evt);
            }
        });

        jPanelBottom.add(jButtonMR);

        jButton3.setFont(new java.awt.Font("宋体", 1, 16));
        jButton3.setForeground(new java.awt.Color(51, 51, 255));
        jButton3.setText("3");
        jButton3.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton3ActionPerformed(evt);
            }
        });

        jPanelBottom.add(jButton3);

        jButton4.setFont(new java.awt.Font("宋体", 1, 16));
        jButton4.setForeground(new java.awt.Color(51, 51, 255));
        jButton4.setText("4");
        jButton4.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton4ActionPerformed(evt);
            }
        });

        jPanelBottom.add(jButton4);

        jButton5.setFont(new java.awt.Font("宋体", 1, 16));
        jButton5.setForeground(new java.awt.Color(51, 51, 255));
        jButton5.setText("5");
        jButton5.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton5ActionPerformed(evt);
            }
        });

        jPanelBottom.add(jButton5);

        jButtonDec.setFont(new java.awt.Font("宋体", 1, 16));
        jButtonDec.setText("-");
        jButtonDec.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButtonDecActionPerformed(evt);
            }
        });

        jPanelBottom.add(jButtonDec);

        jButtonTime.setFont(new java.awt.Font("宋体", 1, 12));
        jButtonTime.setForeground(new java.awt.Color(102, 102, 0));
        jButtonTime.setText("TIME");
        jButtonTime.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButtonTimeActionPerformed(evt);
            }
        });

        jPanelBottom.add(jButtonTime);

        jButtonTan.setFont(new java.awt.Font("宋体", 1, 16));
        jButtonTan.setText("tan");
        jButtonTan.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButtonTanActionPerformed(evt);
            }
        });

        jPanelBottom.add(jButtonTan);

        jButtonMS.setFont(new java.awt.Font("宋体", 1, 16));
        jButtonMS.setForeground(new java.awt.Color(102, 0, 102));
        jButtonMS.setText("MS");
        jButtonMS.setToolTipText("Store a new No");
        jButtonMS.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButtonMSActionPerformed(evt);
            }
        });

        jPanelBottom.add(jButtonMS);

        jButton6.setFont(new java.awt.Font("宋体", 1, 16));
        jButton6.setForeground(new java.awt.Color(51, 51, 255));
        jButton6.setText("6");
        jButton6.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton6ActionPerformed(evt);
            }
        });

        jPanelBottom.add(jButton6);

        jButton7.setFont(new java.awt.Font("宋体", 1, 16));
        jButton7.setForeground(new java.awt.Color(51, 51, 255));
        jButton7.setText("7");
        jButton7.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton7ActionPerformed(evt);
            }
        });

        jPanelBottom.add(jButton7);

        jButton8.setFont(new java.awt.Font("宋体", 1, 16));
        jButton8.setForeground(new java.awt.Color(51, 51, 255));
        jButton8.setText("8");
        jButton8.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton8ActionPerformed(evt);