ticketframe.java~18~

使用jBuilder编译软件编写的火车订票系统 不含数据库

package trainticketprj;

import java.awt.BorderLayout;
import java.awt.Dimension;
import java.util.Vector;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JLabel;
import java.awt.Rectangle;
import java.awt.Font;
import javax.swing.JTextField;
import javax.swing.JRadioButton;
import javax.swing.ButtonGroup;
import javax.swing.JButton;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JOptionPane;

public class TicketFrame extends JFrame {
    JPanel contentPane;
    JLabel jLabel1 = new JLabel();
    JLabel jLabel2 = new JLabel();
    JTextField jTextField1 = new JTextField();
    JLabel jLabel3 = new JLabel();
    JRadioButton jRadioButton1 = new JRadioButton();
    JRadioButton jRadioButton2 = new JRadioButton();
    ButtonGroup buttonGroup1 = new ButtonGroup();
    JLabel jLabel4 = new JLabel();
    JTextField jTextField2 = new JTextField();
    JButton jButton1 = new JButton();
    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("火车售票");
        jLabel1.setFont(new java.awt.Font("宋体", Font.PLAIN, 15));
        jLabel1.setText("订购火车票");
        jLabel1.setBounds(new Rectangle(120, 35, 121, 29));
        jLabel2.setText("火车车次");
        jLabel2.setBounds(new Rectangle(30, 90, 91, 22));
        jTextField1.setBounds(new Rectangle(125, 88, 140, 23));
        jLabel3.setText("乘车方式");
        jLabel3.setBounds(new Rectangle(31, 138, 87, 19));
        jRadioButton1.setSelected(true);
        jRadioButton1.setText("硬座");
        jRadioButton1.setBounds(new Rectangle(120, 139, 59, 25));
        jRadioButton2.setText("硬卧");
        jRadioButton2.setBounds(new Rectangle(178, 140, 85, 23));
        jLabel4.setText("订购数量");
        jLabel4.setBounds(new Rectangle(30, 186, 65, 24));
        jTextField2.setBounds(new Rectangle(125, 183, 145, 24));
        jButton1.setBounds(new Rectangle(119, 234, 93, 33));
        jButton1.setText("确定");
        jButton1.addActionListener(new TicketFrame_jButton1_actionAdapter(this));
        contentPane.add(jLabel1);
        contentPane.add(jTextField1);
        contentPane.add(jRadioButton2);
        contentPane.add(jRadioButton1);
        contentPane.add(jLabel4);
        contentPane.add(jTextField2);
        contentPane.add(jLabel3);
        contentPane.add(jLabel2);
        contentPane.add(jButton1);
        buttonGroup1.add(jRadioButton1);
        buttonGroup1.add(jRadioButton2);
    }
//确定按钮事件
    public void jButton1_actionPerformed(ActionEvent e) {
        String trainno = jTextField1.getText();
        String seattype="";
        if(jRadioButton1.isSelected()){
            seattype="硬座";
        }
        else{
             seattype="硬卧";
        }
        String getnum = jTextField2.getText();
        DBHelper dbh = new DBHelper();
        Vector v = dbh.getTicketByTrainno(trainno);
        if(v.size()==0)
        {
               JOptionPane.showMessageDialog(this,"车次不存在","消息",JOptionPane.INFORMATION_MESSAGE);
        }
        if(seattype.equals("硬座"))
        {
           String getnow =  (String)v.get(0);
            if(Integer.parseInt(getnow)>=Integer.parseInt(getnum)){
                dbh.updateTicketseat(trainno,Integer.parseInt(getnum));
               String getprice = (String) v.get(2);
                float total = Float.parseFloat(getprice)*Integer.parseInt(getnum);
                JOptionPane.showMessageDialog(this,"购买成功,需要支付"+total+"元","消息",JOptionPane.INFORMATION_MESSAGE);
            }
            else
            {
                  JOptionPane.showMessageDialog(this,"票数不够","消息",JOptionPane.ERROR_MESSAGE);
            }


        }
        else
        {
            String getnow =  (String)v.get(1);
           if(Integer.parseInt(getnow)>=Integer.parseInt(getnum)){
               dbh.updateTicketbed(trainno,Integer.parseInt(getnum));
              String getprice = (String) v.get(3);
               float total = Float.parseFloat(getprice)*Integer.parseInt(getnum);
               JOptionPane.showMessageDialog(this,"购买成功,需要支付"+total+"元","消息",JOptionPane.INFORMATION_MESSAGE);
           }
           else
           {
                 JOptionPane.showMessageDialog(this,"票数不够","消息",JOptionPane.ERROR_MESSAGE);
           }

        }





    }
}


class TicketFrame_jButton1_actionAdapter implements ActionListener {
    private TicketFrame adaptee;
    TicketFrame_jButton1_actionAdapter(TicketFrame adaptee) {
        this.adaptee = adaptee;
    }

    public void actionPerformed(ActionEvent e) {
        adaptee.jButton1_actionPerformed(e);
    }
}