searchflightsch.java

航空售票系统的代码

package com.tarena.abs.server;

import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.*;
import java.util.*;
import javax.swing.*;
import com.tarena.abs.dao.*;
import com.tarena.abs.model.*;


public class SearchFlightSch extends JDialog implements ActionListener {
	private JLabel label0,label1,label2;
	private JButton ok,cancel;
	private JTextField t1,t2;
	public SearchFlightSch(JFrame frame){
		super(frame,"查询航班计划");
		label0=new JLabel("查询航班计划");
		label1=new JLabel("起飞地:");
		label2=new JLabel("目的地:");
		
		
		t1=new JTextField(10);
		t2=new JTextField(10);
		
		ok=new JButton("查询");ok.addActionListener(this);
		cancel=new JButton("取消");cancel.addActionListener(this);
		init();
		
	}
	public void init(){
		JPanel p=new JPanel();
		JPanel p1=new JPanel();
		JPanel p2=new JPanel();
		JPanel p3=new JPanel();
		JPanel p4=new JPanel();
		JPanel p5=new JPanel();
		p1.add(label0);
		p3.setLayout(new FlowLayout(FlowLayout.LEFT));
		p4.setLayout(new FlowLayout(FlowLayout.LEFT));
		p3.add(label1);p3.add(t1);
		p4.add(label2);p4.add(t2);
		p.setLayout(new FlowLayout(FlowLayout.LEFT));
		p.add(ok);p.add(cancel);
		
		p2.add(p3,BorderLayout.NORTH);
		p2.add(p4,BorderLayout.CENTER);
		
		this.add(p1,BorderLayout.NORTH);
		this.add(p2,BorderLayout.CENTER);
		this.add(p,BorderLayout.SOUTH);
		
	}	
	
	public void showMe(){
		this.setSize(300,250);
		this.setVisible(true);
		this.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);//?
	}
	public void actionPerformed(ActionEvent e){
		if(e.getActionCommand().equals("查询")){
			if((t1.getText().equals("") || t2.getText().equals(""))){
				JOptionPane.showMessageDialog(new JFrame(), "请输入查询条件");
				return;
			}
			HashSet hsNew=new HashSet();
			try { 
				FlightDAO f=ServerMainClass.flightDaoSch;
				HashSet hs=(HashSet)f.getAllFlightSchedulars();
				System.out.println("查到的航班计划："+hs);
				for(Object obj:hs){
					FlightSchedular fsc=(FlightSchedular)obj;
					System.out.println(fsc.getFromAddress()+" "+fsc.getToAddress());
					System.out.println(t1.getText()+" "+t2.getText());
					if(fsc.getFromAddress().equals(t1.getText()) && fsc.getToAddress().equals(t2.getText())){
						hsNew.add(fsc);
					}
				}
				if(hsNew==null || hsNew.size()==0){
					JOptionPane.showMessageDialog(new JFrame(), "没有查到航班计划");
					this.dispose();
				}else{
				//this.dispose();
				ArrayList arr=new ArrayList();
				arr.addAll(hsNew);
				System.out.println("arr="+arr);
				String msg = "起始地"+t1.getText()+"到目的地"+t2.getText()+"的航班计划有";
				//SearchPanel sp = new SearchPanel(msg,arr);
				ServerMainClass.serverMainFrame.setCenterPanel(msg,arr);
				}
			} catch (Exception e1) {
				e1.printStackTrace();
			}
		}
		if(e.getActionCommand().equals("取消")){
			this.dispose();
		}
	}
}