algorithmframe.java

java程序设计教程的源码

/*
 * AlgorithmFrame.java
 *
 * Created on 2007��5��12��, ����6:02
 */

package jpt.ch01;

/**
 *
 * @author  Administrator
 */
public class AlgorithmFrame extends javax.swing.JFrame {
    
    /** Creates new form AlgorithmFrame */
    public AlgorithmFrame() {
        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="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        jLabelOp1 = new javax.swing.JLabel();
        jTextFieldOp1 = new javax.swing.JTextField();
        jLabelOp2 = new javax.swing.JLabel();
        jTextFieldOp2 = new javax.swing.JTextField();
        jLabelResult = new javax.swing.JLabel();
        jTextFieldResult = new javax.swing.JTextField();
        jButtonAdd = new javax.swing.JButton();
        jButtonSubtract = new javax.swing.JButton();
        jButtonMultiply = new javax.swing.JButton();
        jButtonDivide = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setTitle("算术运算演示-Swing");

        jLabelOp1.setText("操作数1：");

        jLabelOp2.setText("操作数2：");

        jLabelResult.setText("运算结果：");

        jButtonAdd.setText("加");
        jButtonAdd.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mouseClicked(java.awt.event.MouseEvent evt) {
                jButtonAddMouseClicked(evt);
            }
        });

        jButtonSubtract.setText("减");
        jButtonSubtract.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mouseClicked(java.awt.event.MouseEvent evt) {
                jButtonSubtractMouseClicked(evt);
            }
        });

        jButtonMultiply.setText("乘");
        jButtonMultiply.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mouseClicked(java.awt.event.MouseEvent evt) {
                jButtonMultiplyMouseClicked(evt);
            }
        });

        jButtonDivide.setText("除");
        jButtonDivide.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mouseClicked(java.awt.event.MouseEvent evt) {
                jButtonDivideMouseClicked(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()
                .addContainerGap()
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
                    .add(layout.createSequentialGroup()
                        .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
                            .add(jLabelOp1)
                            .add(jLabelOp2)
                            .add(jLabelResult))
                        .add(9, 9, 9)
                        .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
                            .add(jTextFieldOp2, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 188, Short.MAX_VALUE)
                            .add(jTextFieldOp1, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 188, Short.MAX_VALUE)
                            .add(jTextFieldResult, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 188, Short.MAX_VALUE)))
                    .add(layout.createSequentialGroup()
                        .add(jButtonAdd, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 59, Short.MAX_VALUE)
                        .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                        .add(jButtonSubtract, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 59, Short.MAX_VALUE)
                        .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                        .add(jButtonMultiply, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 59, Short.MAX_VALUE)
                        .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                        .add(jButtonDivide, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 62, Short.MAX_VALUE)
                        .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)))
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(layout.createSequentialGroup()
                .addContainerGap()
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING, false)
                    .add(layout.createSequentialGroup()
                        .add(6, 6, 6)
                        .add(jLabelOp1))
                    .add(jTextFieldOp1, 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.LEADING, false)
                    .add(layout.createSequentialGroup()
                        .add(6, 6, 6)
                        .add(jLabelOp2))
                    .add(jTextFieldOp2, 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.LEADING, false)
                    .add(layout.createSequentialGroup()
                        .add(6, 6, 6)
                        .add(jLabelResult))
                    .add(jTextFieldResult, 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.LEADING)
                    .add(jButtonAdd, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .add(jButtonSubtract, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .add(jButtonMultiply, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .add(jButtonDivide, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                .addContainerGap())
        );

        pack();
    }// </editor-fold>//GEN-END:initComponents
    
    private void jButtonAddMouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_jButtonAddMouseClicked
        double op1,op2,result;
        op1 = Double.parseDouble(this.jTextFieldOp1.getText());
        op2 = Double.parseDouble(this.jTextFieldOp2.getText());
        result = op1+op2;
         jLabelResult.setText("�� = ");
        jTextFieldResult.setText(new Double(result).toString());
    }//GEN-LAST:event_jButtonAddMouseClicked
    
    private void jButtonSubtractMouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_jButtonSubtractMouseClicked
        double op1,op2,result;
        op1 = Double.parseDouble(this.jTextFieldOp1.getText());
        op2 = Double.parseDouble(this.jTextFieldOp2.getText());
        result = op1-op2;
         jLabelResult.setText("�� = ");
        jTextFieldResult.setText(new Double(result).toString());
    }//GEN-LAST:event_jButtonSubtractMouseClicked
    
    private void jButtonMultiplyMouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_jButtonMultiplyMouseClicked
        double op1,op2,result;
        op1 = Double.parseDouble(this.jTextFieldOp1.getText());
        op2 = Double.parseDouble(this.jTextFieldOp2.getText());
        result = op1*op2;
         jLabelResult.setText("�� = ");
        jTextFieldResult.setText(new Double(result).toString());
    }//GEN-LAST:event_jButtonMultiplyMouseClicked
    
    private void jButtonDivideMouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_jButtonDivideMouseClicked
        double op1,op2,result;
        op1 = Double.parseDouble(this.jTextFieldOp1.getText());
        op2 = Double.parseDouble(this.jTextFieldOp2.getText());
        result = op1/op2;
        jLabelResult.setText("�� = ");
        jTextFieldResult.setText(new Double(result).toString());
    }//GEN-LAST:event_jButtonDivideMouseClicked
    
    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new AlgorithmFrame().setVisible(true);
            }
        });
    }
    
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton jButtonAdd;
    private javax.swing.JButton jButtonDivide;
    private javax.swing.JButton jButtonMultiply;
    private javax.swing.JButton jButtonSubtract;
    private javax.swing.JLabel jLabelOp1;
    private javax.swing.JLabel jLabelOp2;
    private javax.swing.JLabel jLabelResult;
    private javax.swing.JTextField jTextFieldOp1;
    private javax.swing.JTextField jTextFieldOp2;
    private javax.swing.JTextField jTextFieldResult;
    // End of variables declaration//GEN-END:variables
    
}