querypanel.java

虚拟飞机订票系统

package airline;

import java.awt.*;
import java.awt.event.*;
import java.util.*;
import javax.swing.*;
import java.io.*;
import java.awt.Rectangle;

public class queryPanel extends JPanel
{
  public queryPanel()
  {
    try {
      jbInit();
    }
    catch (Exception ex) {
      ex.printStackTrace();
    }

  }

  private void jbInit()
      throws Exception
  {
    this.setLayout(null);
    jLabel1.setText("出发地");
    jLabel1.setBounds(new Rectangle(39, 50, 60, 29));
    jComboBox1.setBounds(new Rectangle(139, 50, 96, 29));
    jLabel2.setText("目的地");
    jLabel2.setBounds(new Rectangle(342, 50, 60, 29));
    jComboBox2.setBounds(new Rectangle(436, 50, 96, 29));
    jComboBox3.setBounds(new Rectangle(297, 110, 93, 29));
    jLabel4.setText("时间段");
    jLabel4.setBounds(new Rectangle(198, 110, 60, 29));
    this.setToolTipText("");
    jButton1.setBounds(new Rectangle(240, 170, 100, 29));
    jButton1.setEnabled(false);
    jButton1.setText("提交查询");
    jButton1.addActionListener(new queryPanel_jButton1_actionAdapter(this));
    pane1.setBounds(new Rectangle(50, 226, 480, 124));
    jTable1.setBackground(SystemColor.info);
    jTable1.setRowHeight(25);
    jTable1.setDragEnabled(false) ;
    jLabel6.setBounds(new Rectangle(50, 107, 128, 100));
    this.add(jLabel1);
    this.add(jLabel3);
    this.add(jComboBox2);
    this.add(jLabel2);
    this.add(jComboBox1);
    this.add(jButton1);
    this.add(pane1);
    this.add(jLabel4);
    this.add(jComboBox3);
    this.add(jLabel6);
    jComboBox1.addItemListener(listener);
    jComboBox2.addItemListener(listener);
  }

  String[] citys=new String[]{"北京","重庆","上海","天津","长沙"};
  JLabel jLabel1 = new JLabel();
  JComboBox jComboBox1 = new JComboBox(citys);
  JLabel jLabel2 = new JLabel();
  JComboBox jComboBox2 = new JComboBox(citys);
  JLabel jLabel3 = new JLabel();

  String[] timeInterval={"6:00-11:00","11:00-16:00","16:00-21:00"};
  JLabel jLabel4 = new JLabel();
  JComboBox jComboBox3 = new JComboBox(timeInterval);
  JButton jButton1 = new JButton();
  Object obj[][]=new Object[6][5];
  String[] columnNames={"航班名称","单人价格","团体价格","起飞时间","到达时间"};
  JTable jTable1 = new JTable(obj,columnNames);
  JScrollPane pane1=new JScrollPane(jTable1);

  ItemListener listener=new ItemListener()
  {
    public void itemStateChanged(ItemEvent e)
    {
        if (jComboBox1.getSelectedItem().equals(jComboBox2.getSelectedItem()))
          jButton1.setEnabled(false);
        else
          jButton1.setEnabled(true);
    }
  };
  JLabel jLabel6 = new JLabel(new ImageIcon("air1.gif"));
  //发送查询航班请求
  public void jButton1_actionPerformed(ActionEvent e)
      throws IOException
  {
    for(int i=0;i<6;i++)
      for(int j=0;j<5;j++)
      {
        jTable1.setValueAt("",i,j);
      }
    String message="1,"+jComboBox1.getSelectedItem()+","+jComboBox2.getSelectedItem()
        +","+jComboBox3.getSelectedIndex() ;
    Client client=new Client(message);
    ArrayList alist=client.list;
    analyse(alist);
  }
  private void analyse(ArrayList alist)
  {
    if(alist.isEmpty()||alist.equals(null) )
    {
      JOptionPane.showMessageDialog(this.getRootPane(),"未找到你所查询的航班");
    }
    StringTokenizer tokens;
    for(int i=0;i<alist.size();i++)
    {
      tokens=new StringTokenizer((String)alist.get(i),",");
      int j=0;
      while(tokens.hasMoreTokens())
      {
        if(j==3||j==4)
          jTable1.setValueAt(tokens.nextToken().substring(10,16),i,j++);
        else
          jTable1.setValueAt(tokens.nextToken(),i,j++);
      }
    }
  }

}


class queryPanel_jButton1_actionAdapter
    implements ActionListener
{
  private queryPanel adaptee;
  queryPanel_jButton1_actionAdapter(queryPanel adaptee)
  {
    this.adaptee = adaptee;
  }

  public void actionPerformed(ActionEvent e)
  {
      try {
        adaptee.jButton1_actionPerformed(e);
      }
      catch (IOException ex) {
      }
  }
}