calculatorframe.java

用java写的计算机源代码

package calculator;

import java.awt.BorderLayout;
import java.awt.Dimension;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;
import java.awt.Rectangle;
import javax.swing.BorderFactory;
import java.awt.Color;
import java.awt.GridBagLayout;
import java.awt.*;
import javax.swing.JButton;
import javax.swing.DebugGraphics;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.Font;
import javax.swing.JLabel;
import javax.swing.Icon;
import javax.swing.ImageIcon;

/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2008</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */
public class CalculatorFrame extends JFrame {
    Icon icon = new ImageIcon("ss.jpg");
    static boolean flag = true;
    String operand1;
    String operand2;
    int result;
    String action;
    JPanel contentPane;
    JTextField txtResult = new JTextField();
    JPanel jPanel1 = new JPanel();
    JButton btn7 = new JButton();
    GridLayout gridLayout1 = new GridLayout();
    JButton btn8 = new JButton();
    JButton btn9 = new JButton();
    JButton btnDivide = new JButton();
    JButton btn4 = new JButton();
    JButton btn5 = new JButton();
    JButton btn6 = new JButton();
    JButton btnMultiply = new JButton();
    JButton btn2 = new JButton();
    JButton btn1 = new JButton();
    JButton btn3 = new JButton();
    JButton btnMinus = new JButton();
    JButton btn0 = new JButton();
    JButton btnClear = new JButton();
    JButton btnResult = new JButton();
    JButton btnPlus = new JButton();
    JLabel jLabel1 = new JLabel();
    public CalculatorFrame() {
        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(null);
        setSize(new Dimension(400, 400));
        setTitle("计算器");
        txtResult.setFont(new java.awt.Font("宋体", Font.PLAIN, 15));
        txtResult.setToolTipText("");
        txtResult.setBounds(new Rectangle(72, 103, 263, 38));
        jPanel1.setDebugGraphicsOptions(DebugGraphics.NONE_OPTION);
        jPanel1.setToolTipText("");
        jPanel1.setBounds(new Rectangle(72, 159, 263, 173));
        jPanel1.setLayout(gridLayout1);
        btn7.setText("7");
        btn7.addActionListener(new CalculatorFrame_btn7_actionAdapter(this));
        gridLayout1.setColumns(4);
        gridLayout1.setHgap(5);
        gridLayout1.setRows(4);
        gridLayout1.setVgap(5);
        btn8.setText("8");
        btn8.addActionListener(new CalculatorFrame_btn8_actionAdapter(this));
        btn9.setText("9");
        btn9.addActionListener(new CalculatorFrame_btn9_actionAdapter(this));
        btnDivide.setForeground(Color.red);
        btnDivide.setText("/");
        btnDivide.addActionListener(new CalculatorFrame_btnDivide_actionAdapter(this));
        btn4.setText("4");
        btn4.addActionListener(new CalculatorFrame_btn4_actionAdapter(this));
        btn5.setText("5");
        btn5.addActionListener(new CalculatorFrame_btn5_actionAdapter(this));
        btn6.setText("6");
        btn6.addActionListener(new CalculatorFrame_btn6_actionAdapter(this));
        btnMultiply.setForeground(Color.red);
        btnMultiply.setText("*");
        btnMultiply.addActionListener(new
                                      CalculatorFrame_btnMultiply_actionAdapter(this));
        btn2.setText("2");
        btn2.addActionListener(new CalculatorFrame_btn2_actionAdapter(this));
        btn1.setText("1");
        btn1.addActionListener(new CalculatorFrame_btn1_actionAdapter(this));
        btn3.setText("3");
        btn3.addActionListener(new CalculatorFrame_btn3_actionAdapter(this));
        btnMinus.setForeground(Color.red);
        btnMinus.setText("-");
        btnMinus.addActionListener(new CalculatorFrame_btnMinus_actionAdapter(this));
        btn0.setText("0");
        btn0.addActionListener(new CalculatorFrame_rbtn0_actionAdapter(this));
        btnClear.setForeground(Color.red);
        btnClear.setText("C");
        btnClear.addActionListener(new CalculatorFrame_btnClear_actionAdapter(this));
        btnResult.setForeground(Color.red);
        btnResult.setText("=");
        btnResult.addActionListener(new CalculatorFrame_btnResult_actionAdapter(this));
        btnPlus.setForeground(Color.red);
        btnPlus.setText("+");
        btnPlus.addActionListener(new CalculatorFrame_btnPlus_actionAdapter(this));
        jLabel1.setIcon(icon);
        jLabel1.setText("jLabel1");
        jLabel1.setBounds(new Rectangle(2, 2, 206, 104));
        jPanel1.add(btn7, null);
        jPanel1.add(btn8);
        jPanel1.add(btn9);
        jPanel1.add(btnDivide);
        jPanel1.add(btn4);
        jPanel1.add(btn5);
        jPanel1.add(btn6);
        jPanel1.add(btnMultiply);
        jPanel1.add(btn1);
        jPanel1.add(btn2);
        jPanel1.add(btn3);
        jPanel1.add(btnMinus);
        jPanel1.add(btn0);
        jPanel1.add(btnClear);
        jPanel1.add(btnResult);
        jPanel1.add(btnPlus);
        contentPane.add(jLabel1);
        contentPane.add(txtResult);
        contentPane.add(jPanel1);
    }

    public void btn6_actionPerformed(ActionEvent e) {
        if (flag) {
            txtResult.setText(btn6.getActionCommand());
            flag = false;
        } else {
            txtResult.setText(txtResult.getText() + btn6.getActionCommand());
        }

    }

    public void rbtn0_actionPerformed(ActionEvent e) {
        if (flag) {
            txtResult.setText(btn0.getActionCommand());
            flag = false;
        } else {
            txtResult.setText(txtResult.getText() + btn0.getActionCommand());
        }
    }

    public void btn2_actionPerformed(ActionEvent e) {
        if (flag) {
            txtResult.setText(btn2.getActionCommand());
            flag = false;
        } else {
            txtResult.setText(txtResult.getText() + btn2.getActionCommand());
        }

    }

    public void btn3_actionPerformed(ActionEvent e) {
        if (flag) {
            txtResult.setText(btn3.getActionCommand());
            flag = false;
        } else {
            txtResult.setText(txtResult.getText() + btn3.getActionCommand());
        }

    }

    public void btn4_actionPerformed(ActionEvent e) {
        if (flag) {
            txtResult.setText(btn4.getActionCommand());
            flag = false;
        } else {
            txtResult.setText(txtResult.getText() + btn4.getActionCommand());
        }

    }

    public void btn5_actionPerformed(ActionEvent e) {
        if (flag) {
            txtResult.setText(btn5.getActionCommand());
            flag = false;
        } else {
            txtResult.setText(txtResult.getText() + btn5.getActionCommand());
        }

    }

    public void btn7_actionPerformed(ActionEvent e) {
        if (flag) {
            txtResult.setText(btn7.getActionCommand());
            flag = false;
        } else {
            txtResult.setText(txtResult.getText() + btn7.getActionCommand());
        }

    }

    public void btn8_actionPerformed(ActionEvent e) {
        if (flag) {
            txtResult.setText(btn8.getActionCommand());
            flag = false;
        } else {
            txtResult.setText(txtResult.getText() + btn8.getActionCommand());
        }

    }

    public void btn9_actionPerformed(ActionEvent e) {
        if (flag) {
            txtResult.setText(btn9.getActionCommand());
            flag = false;
        } else {
            txtResult.setText(txtResult.getText() + btn9.getActionCommand());
        }

    }

    public void btn1_actionPerformed(ActionEvent e) {
        if (flag) {
            txtResult.setText(btn1.getActionCommand());
            flag = false;
        } else {
            txtResult.setText(txtResult.getText() + btn1.getActionCommand());
        }

    }