myremoveagent.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.awt.event.*;
import java.io.*;
import javax.swing.*;

import com.tarena.abs.dao.AgentDaoFromFile;

public class MyRemoveAgent extends JDialog implements ActionListener{
	private static final long serialVersionUID = -1756417676110895824L;
	JLabel message,lab;
	JTextField jtf;
	JButton ok,cancel;
	JPanel jp1,jp2,jp3;
	public MyRemoveAgent(JFrame f){
		super(f,"删除代理商",true);
		message=new JLabel("删除代理商");
		lab=new JLabel("代理商：");
		jtf=new JTextField(8);
		ok=new JButton("确定");
		cancel=new JButton("取消");
		jp1=new JPanel();
		jp2=new JPanel();
		jp3=new JPanel();
		init();
		addEventHandle();
	}
	private void init(){
		jp1.add(message);
		this.add(jp1,BorderLayout.NORTH);
		jp2.add(lab);jp2.add(jtf);
		this.add(jp2,BorderLayout.CENTER);
		jp3.add(ok);jp3.add(cancel);
		this.add(jp3,BorderLayout.SOUTH);
	}
	private void addEventHandle(){
		ok.addActionListener(this);
		cancel.addActionListener(this);
	}

	public void showMe(){
		this.setSize(300,180);
		this.setVisible(true);
		this.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
	}
	public void actionPerformed(ActionEvent e) {
		String command=e.getActionCommand();
		if(command.equals("确定")){
			try {
				AgentDaoFromFile f=new AgentDaoFromFile(new File("./agent.dat"));
				boolean success=f.removeAgent(jtf.getText());
				if(success){
					JOptionPane.showMessageDialog(this,"删除成功！");
					this.dispose();
				}
				else{
					JOptionPane.showMessageDialog(this,"删除失败,可能无此代理商！");
					this.dispose();
				}
			} catch (Exception e1) {
				e1.printStackTrace();
			}
		}
		else if(command.equals("取消")){
			this.dispose();
		}
	}
	
}