manage.java

使用java弄的,实现铁路售票的各种功能,供大家学习使用

package Java;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.Toolkit;


public class Manage extends JFrame implements ActionListener {
	
		 private String username,userpassword,userpopedom;
		 JButton _jbuser,_jbno,_jbcount,_jbhelp,_jbexit;
		 JPanel _jp1,_jp2,_jp3,_jp4;
		 JLabel _jlwelcome;
		 Conn conn = new Conn();
		 
		 
    public Manage(String username,String userpassword,String popedom) {
    	super("火车票系统管理");
    	this.username = username;
    	this.userpassword = userpassword;
    	userpopedom = popedom;
    	if(conn.ifadmin(username,userpassword,userpopedom))
    	{
    	}else{
    		JOptionPane.showMessageDialog(this,"非法请求!");
    		System.exit(0);
    	}
    	
    	JLabel imagelabel = new JLabel();
    	ImageIcon icon = new ImageIcon("Images/logo.jpg");
    	imagelabel.setIcon(icon);
    	repaint();
    	_jlwelcome = new JLabel("欢迎管理员[ "+username+" ]登录！");
    	_jlwelcome.setFont(new Font("黑体",java.awt.Font.BOLD,18));
    	_jlwelcome.setForeground(Color.RED);
    	_jbuser = new JButton("用户管理");
    	_jbuser.addActionListener(this);
    	_jbno = new JButton("车次管理");
    	_jbno.addActionListener(this);
    	_jbcount = new JButton("票务统计");
    	_jbcount.addActionListener(this);
    	_jbhelp = new JButton("系统帮助");
    	_jbhelp.addActionListener(this);
    	_jbexit = new JButton("退出系统");
    	_jbexit.addActionListener(this);
    	
    	_jp1 = new JPanel();
    	_jp2 = new JPanel();
    	_jp3 = new JPanel();
    	_jp4 = new JPanel(new GridLayout(2,1));
    	_jp1.add(imagelabel);
    	
    	_jp2.add(_jbuser);
    	_jp2.add(_jbno);
    	_jp2.add(_jbcount);
    	_jp2.add(_jbhelp);
    	_jp3.add(_jbexit);
    	_jp4.add(_jp2);
    	_jp4.add(_jp3);
    	
    	this.add(_jlwelcome,"North");
    	this.add(_jp1,"Center");
    	this.add(_jp4,"South");
    		
    		pack();
    		this.setVisible(true);
    		this.setResizable(false);
    	
    	this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    	int W = (int)Toolkit.getDefaultToolkit().getScreenSize().getWidth();
    	int H = (int)Toolkit.getDefaultToolkit().getScreenSize().getHeight();
    	this.setLocation((W - this.getWidth())/2,(H - this.getHeight())/2);
    }
    
	public void actionPerformed(ActionEvent e)
	{
		if(e.getSource()==_jbuser)
		{
			dispose();
			new Usermanage(username,userpassword,userpopedom);
		}
		if(e.getSource()==_jbno)
		{
			JOptionPane.showMessageDialog(this,"正在准备中……");
		}
		if(e.getSource()==_jbcount)
		{
			dispose();
			new Ticketmanage(username,userpassword,userpopedom);
		}
		if(e.getSource()==_jbhelp)
		{
			new Help();
		}
		if(e.getSource()==_jbexit)
		{
			dispose();
			JOptionPane.showMessageDialog(this,"谢谢使用，您已经安全退出!");
			new Login();
		}
	}
	public static void main (String[] args) {
		new Manage("sain","123","admin");
}
}