calend.java~8~

该系统是一个关于电子时钟的系统,他是用Java开发的一个小系统.

package calendar;

import java.awt.BorderLayout;
import java.awt.*;
import java.awt.event.*;
import javax.swing.JPanel;
import com.borland.jbcl.layout.XYConstraints;
import java.awt.Font;
import javax.swing.SwingConstants;
import java.awt.Color;
import com.borland.jbcl.layout.XYLayout;
import javax.swing.JTextField;
import javax.swing.JButton;
import com.borland.jbcl.layout.*;
import javax.swing.JTextArea;


public class Calend extends JPanel implements ActionListener {
    double result = 0, data1 = 0, radixPointDepth = 1;
    boolean radixPointIndicate = false, resultIndicate = false;
    char prec = '+';
    BorderLayout borderLayout1 = new BorderLayout();
    JPanel jPanel1 = new JPanel();
    JTextField jTextField1 = new JTextField();
    JTextArea jTextArea1 = new JTextArea();
    XYLayout xYLayout1 = new XYLayout();
    JButton jButton1 = new JButton();
    JButton jButton2 = new JButton();
    JButton jButton3 = new JButton();
    JButton jButton4 = new JButton();
    JButton jButton5 = new JButton();
    JButton jButton6 = new JButton();
    JButton jButton7 = new JButton();
    JButton jButton8 = new JButton();
    JButton jButton9 = new JButton();
    JButton jButton10 = new JButton();
    JButton jButton11 = new JButton();
    JButton jButton12 = new JButton();
    JButton jButton13 = new JButton();
    JButton jButton14 = new JButton();
    JButton jButton15 = new JButton();
    JButton jButton16 = new JButton();
    JButton jButton17 = new JButton();
    JButton jButton18 = new JButton();
    JButton jButton19 = new JButton();
    JButton jButton20 = new JButton();
    JButton jButton21 = new JButton();
    JButton jButton22 = new JButton();
    JButton jButton23 = new JButton();
    JButton jButton24 = new JButton();
    JButton jButton25 = new JButton();
    JButton jButton26 = new JButton();
    JButton jButton27 = new JButton();
    public Calend() {
        try {
            jbInit();
        } catch (Exception exception) {
            exception.printStackTrace();
        }
    }

    public void actionPerformed(ActionEvent e) {
        String s;
        s = e.getActionCommand();
        switch (s.charAt(0)) {
        case '0':
        case '1':
        case '2':
        case '3':
        case '4':
        case '5':
        case '6':
        case '7':
        case '8':
        case '9':
            if (resultIndicate) {
                result = 0;
                data1 = 0;
                prec = '+';
            }
            Integer Int1 = new Integer(s);
            if (radixPointIndicate) {
                radixPointDepth = radixPointDepth / 10;
                data1 = data1 + (Int1.intValue()) * radixPointDepth;
            } else {
                data1 = data1 * 10 + (Int1.intValue());
            }
            Double displayNumber = new Double(data1);
            jTextField1.setText(displayNumber.toString());
            resultIndicate = false;
            break;
        case '+':
        case '-':
        case '*':
        case '/':
        case '=':
            if (s.charAt(0) != '=' && resultIndicate) {
                prec = s.charAt(0);
                resultIndicate = false;
            } else {
                switch (prec) {
                case '+':
                    result = result + data1;
                    break;
                case '-':
                    result = result - data1;
                    break;
                case '*':
                    result = result * data1;
                    break;
                case '/':
                    result = result / data1;
                    break;
                }
            }
            radixPointIndicate = false;
            radixPointDepth = 1;
            displayNumber = new Double(result);
            jTextField1.setText(displayNumber.toString());
            if (s.charAt(0) != '=') {
                data1 = 0;
                prec = s.charAt(0);
            } else {
                resultIndicate = true;
            }
            break;
        case '.':
            radixPointIndicate = true;
            break;
        }
        if (s.equals("清零")) {
            result = 0;
            data1 = 0;
            radixPointDepth = 1;
            jTextField1.setText("");
        }
    }

    private void jbInit() throws Exception {
        this.setLayout(borderLayout1);
        jPanel1.setLayout(xYLayout1);
        jButton1.setText("Back");
        jButton2.setText("CE");
        jButton3.setText("C");
        jButton4.setText("MC");
        jButton5.setText("MR");
        jButton6.setText("MS");
        jButton7.setText("M+");
        jButton8.setText("7");
        jButton9.setText("4");
        jButton10.setText("1");
        jButton11.setText("0");
        jButton12.setText("8");
        jButton13.setText("5");
        jButton14.setText("2");
        jButton15.setText("+/-");
        jButton16.setText("9");
        jButton17.setText("6");
        jButton18.setText("3");
        jButton19.setText(".");
        jButton20.setText("/");
        jButton21.setText("*");
        jButton22.setText("-");
        jButton23.setText("+");
        jButton24.setText("s");
        jButton25.setText("%");
        jButton26.setText("1/x");
        jButton27.setText("=");
        jTextArea1.setEditable(false);
        jPanel1.add(jButton4, new XYConstraints(2, 33, 44, 28));
        this.add(jTextField1, java.awt.BorderLayout.NORTH);
        this.add(jPanel1, java.awt.BorderLayout.CENTER);
        jPanel1.add(jButton5, new XYConstraints(2, 65, 44, 28));
        jPanel1.add(jButton6, new XYConstraints(2, 97, 44, 28));
        jPanel1.add(jButton7, new XYConstraints(2, 129, 44, 28));
        jPanel1.add(jButton8, new XYConstraints(55, 33, 44, 28));
        jPanel1.add(jButton9, new XYConstraints(55, 65, 44, 28));
        jPanel1.add(jButton10, new XYConstraints(55, 97, 44, 28));
        jPanel1.add(jButton11, new XYConstraints(55, 129, 44, 28));
        jPanel1.add(jButton12, new XYConstraints(100, 33, 44, 28));
        jPanel1.add(jButton13, new XYConstraints(100, 65, 44, 28));
        jPanel1.add(jButton14, new XYConstraints(100, 97, 44, 28));
        jPanel1.add(jButton15, new XYConstraints(100, 129, 44, 28));
        jPanel1.add(jButton16, new XYConstraints(145, 33, 44, 28));
        jPanel1.add(jButton18, new XYConstraints(145, 97, 44, 28));
        jPanel1.add(jButton17, new XYConstraints(145, 65, 44, 28));
        jPanel1.add(jButton19, new XYConstraints(145, 129, 44, 28));
        jPanel1.add(jButton23, new XYConstraints(190, 129, 44, 28));
        jPanel1.add(jButton20, new XYConstraints(190, 33, 44, 28));
        jPanel1.add(jButton21, new XYConstraints(190, 65, 44, 28));
        jPanel1.add(jButton22, new XYConstraints(190, 97, 44, 28));
        jPanel1.add(jButton24, new XYConstraints(235, 33, 44, 28));
        jPanel1.add(jButton25, new XYConstraints(235, 65, 44, 28));
        jPanel1.add(jButton26, new XYConstraints(235, 97, 44, 28));
        jPanel1.add(jButton27, new XYConstraints(235, 129, 44, 28));
        jPanel1.add(jButton1, new XYConstraints(55, 1, 70, 28));
        jPanel1.add(jButton2, new XYConstraints(132, 1, 70, 28));
        jPanel1.add(jButton3, new XYConstraints(208, 1, 70, 28));
        jPanel1.add(jTextArea1, new XYConstraints(3, 2, 42, 26));
    }
}