myshoworder.java

一套基于JAVA开发的完整版航空订票系统,代码简洁,适合JAVA初学者研究

package com.tarena.abs.server;

import java.awt.*;
import java.util.*;
import javax.swing.*;

import com.tarena.abs.model.Order;
import com.tarena.abs.model.OrderItem;

public class MyShowOrder extends JDialog{
	private static final long serialVersionUID = -6187291122409864819L;
	private JTextArea jta;
	private JScrollPane jsp;
	public MyShowOrder(JFrame frame){
		super(frame,"查看订单：");
		jta=new JTextArea(30,40);
		HashSet set = (HashSet) ServerMainClass.orders;
//		if(set != null){
			Iterator it = set.iterator();
			while(it.hasNext()){
				Order o = (Order)it.next();
				jta.append(o.getUser().getName()+"， "+o.getDate().toString()+"\n");
				ArrayList arr = o.getItems();
				Iterator t = arr.iterator();
				while(t.hasNext()){
					OrderItem item = (OrderItem)t.next();
					jta.append(item.toString()+"\n");
				}
			}
			jsp = new JScrollPane(jta);
			this.add(jsp,BorderLayout.CENTER);
			showMe();
//		}else{
//			JOptionPane.showMessageDialog(this, "目前还没有订单");
//		}
//		
	}
	private void showMe(){
		this.setSize(500,600);
		this.setVisible(true);
		this.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);//?
	}
}