java 计算器 一下小项目 源文件

/* * MainFrame.java * * Created on __DATE__, __TIME__ */ package dc.demo; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; /** * * @author __USER__ */ public class MainFrame extends javax.swing.JFrame { private String num1 = "0"; private String inputTemp = ""; private String opFlag = ""; public MainFrame() { initComponents(); usrInit(); } private void usrInit() { this.txtResult.setEditable(false); // ActionListener numListener=new ActionListener() { // public void actionPerformed(ActionEvent e) { // processNumber(e.getActionCommand()); // } // }; // // this.btnNum0.addActionListener(numListener); // this.btnNum1.addActionListener(numListener); // this.btnNum2.addActionListener(numListener); // this.btnNum3.addActionListener(numListener); // this.btnNum4.addActionListener(numListener); // this.btnNum5.addActionListener(numListener); // this.btnNum6.addActionListener(numListener); // this.btnNum7.addActionListener(numListener); // this.btnNum8.addActionListener(numListener); // this.btnNum9.addActionListener(numListener); this.setSize(400, 300); } /** 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. */ //GEN-BEGIN:initComponents // <editor-fold defaultstate="collapsed" desc="Generated Code"> private void initComponents() { pnlBase = new javax.swing.JPanel(); btnBack = new javax.swing.JButton(); btnClear = new javax.swing.JButton(); btnEnd = new javax.swing.JButton(); btnNum7 = new javax.swing.JButton(); btnNum8 = new javax.swing.JButton(); btnNum9 = new javax.swing.JButton(); btnNum5 = new javax.swing.JButton(); btnNum4 = new javax.swing.JButton(); btnNum1 = new javax.swing.JButton(); btnNum6 = new javax.swing.JButton(); btnNum2 = new javax.swing.JButton(); btnNum3 = new javax.swing.JButton(); btnDian = new javax.swing.JButton(); btnFlag = new javax.swing.JButton(); btnNum0 = new javax.swing.JButton(); btnAdd = new javax.swing.JButton(); btnSub = new javax.swing.JButton(); btnMul = new javax.swing.JButton(); btnDiv = new javax.swing.JButton(); btnEqual = new javax.swing.JButton(); txtResult = new javax.swing.JTextField(); jButton1 = new javax.swing.JButton(); jButton2 = new javax.swing.JButton(); jButton3 = new javax.swing.JButton(); jButton4 = new javax.swing.JButton(); menuBar = new javax.swing.JMenuBar(); fileMenu = new javax.swing.JMenu(); openMenuItem = new javax.swing.JMenuItem(); saveMenuItem = new javax.swing.JMenuItem(); saveAsMenuItem = new javax.swing.JMenuItem(); exitMenuItem = new javax.swing.JMenuItem(); setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE); getContentPane().setLayout(null); btnBack.setText("BackSpace"); btnBack.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { btnBackActionPerformed(evt); } }); btnClear.setText("\u6e05\u9664"); btnClear.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { btnClearActionPerformed(evt); } }); btnEnd.setText("\u5f52\u96f6"); btnEnd.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { btnEndActionPerformed(evt); } }); btnNum7.setText("7"); btnNum7.setActionCommand("7"); btnNum7.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { btnNum7ActionPerformed(evt); } }); btnNum8.setText("8"); btnNum8.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { btnNum8ActionPerformed(evt); } }); btnNum9.setText("9"); btnNum9.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { btnNum9ActionPerformed(evt); } }); btnNum5.setText("5"); btnNum5.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { btnNum5ActionPerformed(evt); } }); btnNum4.setText("4"); btnNum4.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { btnNum4ActionPerformed(evt); } }); btnNum1.setText("1"); btnNum1.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { btnNum1ActionPerformed(evt); } }); btnNum6.setText("6"); btnNum6.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { btnNum6ActionPerformed(evt); } }); btnNum2.setText("2"); btnNum2.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { btnNum2ActionPerformed(evt); } }); btnNum3.setText("3"); btnNum3.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { btnNum3ActionPerformed(evt); } }); btnDian.setText("."); btnDian.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { btnDianActionPerformed(evt); } }); btnFlag.setText("+/-"); btnFlag.setMargin(new java.awt.Insets(2, 2, 2, 2)); btnFlag.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { btnFlagActionPerformed(evt); } }); btnNum0.setText("0"); btnNum0.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { btnNum0ActionPerformed(evt); } }); btnAdd.setText("+"); btnAdd.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { btnAddActionPerformed(evt); } }); btnSub.setText("-"); btnSub.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { btnSubActionPerformed(evt); } }); btnMul.setText("*"); btnMul.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { btnMulActionPerformed(evt); } }); btnDiv.setText("/"); btnDiv.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { btnDivActionPerformed(evt); } }); btnEqual.setText("="); btnEqual.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { btnEqualActionPerformed(evt); } }); javax.swing.GroupLayout pnlBaseLayout = new javax.swing.GroupLayout( pnlBase); pnlBase.setLayout(pnlBaseLayout); pnlBaseLayout .setHorizontalGroup(pnlBaseLayout .createParallelGroup( javax.swing.GroupLayout.Alignment.LEADING) .addGroup( pnlBaseLayout .createSequentialGroup() .addGroup( pnlBaseLayout .createParallelGroup( javax.swing.GroupLayout.Alignment.LEADING) .addGroup( pnlBaseLayout .createSequentialGroup() .addGap( 12, 12, 12) .addComponent( btnBack)