ticketframe.java

一个模拟订购火车票的小程序 jbuilder2005 开发 MS2000 做数据库

package test;

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

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JLabel;
import java.awt.*;
import javax.swing.JTextField;
import javax.swing.JRadioButton;
import javax.swing.JButton;
import javax.swing.ButtonGroup;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

public class TicketFrame extends JFrame {
    JPanel contentPane;
    JLabel jLabel1 = new JLabel();
    JLabel jLabel2 = new JLabel();
    JLabel jLabel4 = new JLabel();
    JLabel jLabel5 = new JLabel();
    JTextField txtTrainNo = new JTextField();
    JRadioButton radSeatNum = new JRadioButton();
    JRadioButton radBedNum = new JRadioButton();
    JTextField txtQty = new JTextField();
    JButton btnOk = new JButton();
    ButtonGroup buttonGroup1 = new ButtonGroup();
    public TicketFrame() {
        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, 300));
        setTitle("Frame Title");
        jLabel1.setText("订购火车票");
        jLabel1.setBounds(new Rectangle(165, 23, 150, 37));
        jLabel2.setText("车次");
        jLabel2.setBounds(new Rectangle(87, 80, 75, 31));
        jLabel4.setText("数量");
        jLabel4.setBounds(new Rectangle(88, 171, 75, 31));
        jLabel5.setText("乘车方式");
        jLabel5.setBounds(new Rectangle(90, 130, 75, 31));
        txtTrainNo.setText("");
        txtTrainNo.setBounds(new Rectangle(140, 73, 121, 37));
        radSeatNum.setSelected(true);
        radSeatNum.setText("硬座");
        radSeatNum.setBounds(new Rectangle(140, 127, 67, 34));
        radBedNum.setText("硬蔬");
        radBedNum.setBounds(new Rectangle(218, 129, 76, 33));
        txtQty.setText("");
        txtQty.setBounds(new Rectangle(144, 169, 130, 33));
        btnOk.setBounds(new Rectangle(118, 223, 109, 34));
        btnOk.setText("确定");
        btnOk.addActionListener(new TicketFrame_btnOk_actionAdapter(this));
        contentPane.add(radSeatNum);
        contentPane.add(jLabel1);
        contentPane.add(jLabel2);
        contentPane.add(txtTrainNo);
        contentPane.add(jLabel5);
        contentPane.add(radBedNum);
        contentPane.add(jLabel4);
        contentPane.add(txtQty);
        contentPane.add(btnOk);
        buttonGroup1.add(radSeatNum);
        buttonGroup1.add(radBedNum);
    }

    public void btnOk_actionPerformed(ActionEvent e) {
        String trainNo = this.txtTrainNo.getText().trim();
        String qty = this.txtQty.getText().trim();
        TrainTicketDao model = new TrainTicketDao();
        model.setTrainNo(trainNo);
        if (model.selectAll() == false) {
            javax.swing.JOptionPane.showMessageDialog(null, "查无此车！！");
            return;
        }
        if (this.radBedNum.isSelected()) {
            int kecheng = model.getBedNum();
            if (kecheng < Integer.parseInt(qty)) {
                javax.swing.JOptionPane.showMessageDialog(null,
                        "订购失败，原因：库存数量不足！！！");
                return;
            }
            model.updateKucheng("bedNum", Integer.parseInt(qty));
            float price = model.getBedPrice();
            float total = price * Integer.parseInt(qty);
            javax.swing.JOptionPane.showMessageDialog(null,
                    "订购成功！请支付" + total + "元");

        } else {

            int kecheng = model.getSeatNum();
            if (kecheng < Integer.parseInt(qty)) {
                javax.swing.JOptionPane.showMessageDialog(null,
                        "订购失败，原因：库存数量不足！！！");
                return;
            }
            model.updateKucheng("SeatNum", Integer.parseInt(qty));
            float price = model.getSeatPrice();
            float total = price * Integer.parseInt(qty);
            javax.swing.JOptionPane.showMessageDialog(null,
                    "订购成功！请支付" + total + "元");

        }

    }
}


class TicketFrame_btnOk_actionAdapter implements ActionListener {
    private TicketFrame adaptee;
    TicketFrame_btnOk_actionAdapter(TicketFrame adaptee) {
        this.adaptee = adaptee;
    }

    public void actionPerformed(ActionEvent e) {
        adaptee.btnOk_actionPerformed(e);
    }
}