mycounter.java

一个计算器代码

/*
 * MyCounter.java
 *
 * Created on 2007年12月18日, 下午2:37
 */

package Project2;

/**
 *
 * @author  Leeking
 */
public class MyCounter extends javax.swing.JFrame {
    
    String result="";//用来存放计算的中间结果
    int point=0;//小数点标志
    int flog=0;//是否输入完一个操作数
    int oper=0;//运算符标志
    int count=1;//加数个数
    float sumOne=0,sumTwo=0;//两个操作数
    /** Creates new form MyCounter */
    public MyCounter() {
        initComponents();
    }
    
    /** 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() {
        jTextField1 = new javax.swing.JTextField();
        jButton1 = new javax.swing.JButton();
        jButton2 = new javax.swing.JButton();
        jButton3 = new javax.swing.JButton();
        jButton4 = new javax.swing.JButton();
        jButton5 = new javax.swing.JButton();
        jButton6 = new javax.swing.JButton();
        jButton7 = new javax.swing.JButton();
        jButton8 = new javax.swing.JButton();
        jButton9 = new javax.swing.JButton();
        jButton10 = new javax.swing.JButton();
        jButton11 = new javax.swing.JButton();
        jButton12 = new javax.swing.JButton();
        jButton13 = new javax.swing.JButton();
        jButton14 = new javax.swing.JButton();
        jButton15 = new javax.swing.JButton();
        jButton16 = new javax.swing.JButton();
        jButton17 = new javax.swing.JButton();
        jButton18 = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setTitle("\u5fae\u578b\u8ba1\u7b97\u5668");
        setName("frmCounter");
        setResizable(false);
        jTextField1.setHorizontalAlignment(javax.swing.JTextField.RIGHT);
        jTextField1.setText("0.");

        jButton1.setText("5");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        jButton2.setText("7");
        jButton2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton2ActionPerformed(evt);
            }
        });

        jButton3.setText("8");
        jButton3.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton3ActionPerformed(evt);
            }
        });

        jButton4.setText("1");
        jButton4.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton4ActionPerformed(evt);
            }
        });

        jButton5.setText("4");
        jButton5.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton5ActionPerformed(evt);
            }
        });

        jButton6.setText("9");
        jButton6.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton6ActionPerformed(evt);
            }
        });

        jButton7.setText("2");
        jButton7.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton7ActionPerformed(evt);
            }
        });

        jButton8.setText("6");
        jButton8.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton8ActionPerformed(evt);
            }
        });

        jButton9.setText(".");
        jButton9.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton9ActionPerformed(evt);
            }
        });

        jButton10.setText("0");
        jButton10.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton10ActionPerformed(evt);
            }
        });

        jButton11.setText("3");
        jButton11.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton11ActionPerformed(evt);
            }
        });

        jButton12.setText("CE");
        jButton12.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton12ActionPerformed(evt);
            }
        });

        jButton13.setText("BACK");
        jButton13.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton13ActionPerformed(evt);
            }
        });

        jButton14.setText("=");
        jButton14.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton14ActionPerformed(evt);
            }
        });

        jButton15.setText("+");
        jButton15.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton15ActionPerformed(evt);
            }
        });

        jButton16.setText("-");
        jButton16.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton16ActionPerformed(evt);
            }
        });

        jButton17.setText("*");
        jButton17.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton17ActionPerformed(evt);
            }
        });

        jButton18.setText("/");
        jButton18.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton18ActionPerformed(evt);
            }
        });

        org.jdesktop.layout.GroupLayout layout = new org.jdesktop.layout.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(layout.createSequentialGroup()
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.TRAILING, false)
                    .add(org.jdesktop.layout.GroupLayout.LEADING, layout.createSequentialGroup()
                        .add(15, 15, 15)
                        .add(jTextField1, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 169, Short.MAX_VALUE))
                    .add(org.jdesktop.layout.GroupLayout.LEADING, layout.createSequentialGroup()
                        .addContainerGap()
                        .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING, false)
                            .add(layout.createSequentialGroup()
                                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
                                    .add(jButton5)
                                    .add(jButton2)
                                    .add(jButton4)
                                    .add(jButton10))
                                .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
                                    .add(layout.createSequentialGroup()
                                        .add(jButton9)
                                        .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                                        .add(jButton14)
                                        .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                                        .add(jButton18))
                                    .add(layout.createSequentialGroup()
                                        .add(jButton3)
                                        .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                                        .add(jButton6)
                                        .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                                        .add(jButton15))
                                    .add(layout.createSequentialGroup()
                                        .add(jButton1)
                                        .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                                        .add(jButton8)
                                        .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                                        .add(jButton16))
                                    .add(layout.createSequentialGroup()
                                        .add(jButton7)
                                        .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                                        .add(jButton11)
                                        .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                                        .add(jButton17))))
                            .add(layout.createSequentialGroup()
                                .add(15, 15, 15)
                                .add(jButton13)
                                .add(28, 28, 28)
                                .add(jButton12, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 57, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                                .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED, 17, Short.MAX_VALUE)))))
                .addContainerGap())
        );

        layout.linkSize(new java.awt.Component[] {jButton1, jButton10, jButton11, jButton14, jButton15, jButton16, jButton17, jButton18, jButton2, jButton3, jButton4, jButton5, jButton6, jButton7, jButton8, jButton9}, org.jdesktop.layout.GroupLayout.HORIZONTAL);

        layout.setVerticalGroup(
            layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(layout.createSequentialGroup()
                .addContainerGap()
                .add(jTextField1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE, false)
                    .add(jButton13)
                    .add(jButton12))
                .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
                    .add(jButton2)
                    .add(jButton3)
                    .add(jButton6)
                    .add(jButton15))
                .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
                    .add(jButton5)
                    .add(jButton1)
                    .add(jButton8)
                    .add(jButton16))
                .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
                    .add(jButton4)
                    .add(jButton7)
                    .add(jButton11)
                    .add(jButton17))
                .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
                    .add(jButton10)
                    .add(jButton9)
                    .add(jButton14)
                    .add(jButton18))
                .add(21, 21, 21))