j04404e3studentcard.java

校园卡管理系统,没有连数据库!!! 希望大家拍砖

/******************************************************************************
*本程序是基于图形界面的校园卡管理系统，很多方面有待改进。                         *
*                                                                             *
* 有部分功能和实际有一定差距，希望以后可以完善。                                 *                                            *
*                                                                             *
* 编写者：计044 陈峰                                                           *
*                                                                             *
* 日期：2006—10—5                                                            *
*                                                                             *
*******************************************************************************/
import java.applet.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class j04404e3StudentCard extends Applet implements ActionListener //定义主类
{

	int cardNumber=110411404;
	private static int password=123456;
	static double balance=100.0;
	Label prompt1,prompt2;
	TextField input1,input2;
	Button btn1,btn2;
	Maininterface frame6=new Maininterface();//定义功能
	public void init( )
	{
		setLayout(new FlowLayout( ));  //安排布局
		prompt1=new Label("请输入卡号:");
		prompt2=new Label("请输入密码:");
		input1=new TextField(15);
		input2=new TextField(15);
		input2.setEchoChar('*');
		btn1=new Button("确定");
		btn2=new Button("退出");
		add(prompt1);
		add(input1);
		add(prompt2);
		add(input2);
		add(btn1);
		add(btn2);
		btn1.addActionListener(this);
		btn2.addActionListener(this);
		setSize(150,200);
		setBackground(Color.pink);
    }
    static void setpwd(int data)
    {
		 	    password=data;
	}
	boolean performConnection(int cn,int pw)  //连接验证
	{
		if (cn==cardNumber&&pw==password)
		return true;
	    else
	    return false;

    }
	    public void actionPerformed(ActionEvent e)
	    {
		   AudioClip bgmusic;
	       bgmusic=getAudioClip(getDocumentBase(),"我的野蛮女友.mid");//添加本文件夹中的“我的野蛮女友”为音乐
	       if(bgmusic!=null)                                     //循环音乐
	       bgmusic.loop();
			if(e.getSource( )==btn1)
			{
			  if(performConnection(Integer.parseInt(input1.getText()),
			 					 Integer.parseInt(input2.getText())))
		        {
			 	frame6.show();//显示功能窗口
			 	//  	setVisible(false);
                }
             else
		          JOptionPane.showMessageDialog(null,"请输入正确的卡号或密码","show message",1);//显示提示框
			      input1.setText("");//输入框清空
			 	  input2.setText("");//输入框清空
			 }

	     }
}
class Maininterface extends Frame implements ActionListener   //主窗口的定义
{
	Button btn1,btn2,btn3,btn4,btn5,btn6;
	TextArea output;
	boolean connected;
	Inquire frame1=new Inquire( );
	Changepassword frame2=new Changepassword( );
	Consume frame3=new Consume( );
	Sufficient frame4=new Sufficient( );
	Baoming frame5=new Baoming( );

  Maininterface( )
  {
	  super("校园卡使用窗口");
	  btn1=new Button("查询余额");
	  btn2=new Button("修改密码");
	  btn3=new Button("消费");
	  btn4=new Button("充值");
	  btn5=new Button("考试报名");
	  btn6=new Button("退出");
	  output=new TextArea("学号：110411404"+"\n"+"姓名：陈峰"+"\n"+"出生年月：1986-1-23"+"\n"+"系别：计算机系"+"\n"+"班级:计044"+"\n"+"家庭地址：湖北省咸宁市崇阳县"+"\n"+"爱好：上网，篮球，音乐",20,30);
	  setLayout(new FlowLayout());
      add(btn1);
	  add(btn2);
	  add(btn3);
	  add(btn4);
	  add(btn5);
	  add(output);
	  add(btn6);
	  btn1.addActionListener(this);
	  btn2.addActionListener(this);
	  btn3.addActionListener(this);
	  btn4.addActionListener(this);
	  btn5.addActionListener(this);
	  btn6.addActionListener(this);
	  setSize(300,300);
	  setBackground(Color.pink);
  }

  public void actionPerformed(ActionEvent e)
  {
	  if(e.getSource( )==btn1)
	  frame1.show();
	  if(e.getSource( )==btn2)
	  frame2.show();
	  if(e.getSource( )==btn3)
	  frame3.show();
	  if(e.getSource( )==btn4)
	  frame4.show();
	  if(e.getSource( )==btn5)
	  frame5.show();
	  if(e.getSource( )==btn6)
	  dispose( );
  }
}
class Inquire extends Frame implements ActionListener  //查询窗口的定义
{
	Button btn=new Button("关闭");
	public void paint(Graphics g)
	{
		g.drawString("您的余额为:"+j04404e3StudentCard.balance,60,100);
    }
    Inquire( )
    {
		super("查询余额");
		setLayout(new FlowLayout( ));
		add(btn);
		btn.addActionListener(this);
		setSize(220,200);
		setBackground(Color.pink);
     }
  public void actionPerformed(ActionEvent e)
  {
	  dispose( );
  }
}
class Changepassword extends Frame implements ActionListener  //修改密码窗口的定义
{
	Label prompt1,prompt2;
	TextField input1,input2;
	Button btn1,btn2;
	Changepassword( )
	{
		super("修改密码");
		prompt1=new Label("请输入新密码：");
		prompt2=new Label("再次输入新密码:");
		input1=new TextField(10);
		input1.setEchoChar('*');
		input2=new TextField(10);
		input2.setEchoChar('*');
		btn1=new Button("确定");
		btn2=new Button("关闭");
		setLayout(new FlowLayout());
		add(prompt1);
		add(input1);
		add(prompt2);
		add(input2);
		add(btn1);
		add(btn2);
		btn1.addActionListener(this);
		btn2.addActionListener(this);
		setSize(220,200);
		setBackground(Color.pink);
    }
   public void actionPerformed(ActionEvent e)
   {
	  if(e.getSource( )==btn1)
	   {
		   if(Integer.parseInt(input1.getText( ))==Integer.parseInt(input2.getText( )))
		   {
			   j04404e3StudentCard.setpwd(Integer.parseInt(input1.getText( )));
			   JOptionPane.showMessageDialog(null,"修改密码成功！","show message",1);
			   dispose( );
			   input1.setText("");
			   input2.setText("");
	    	}
	    	else
            JOptionPane.showMessageDialog(null,"你两次输入的密码不同，请重新输入！","show message",1);
	  }
	  if(e.getSource( )==btn2)
	  {
		   input1.setText("");
		   input2.setText("");
		   dispose( );
      }
  }
}
class Consume extends Frame implements ActionListener   //消费窗口的定义
{
	Label prompt;
	TextField input;
	Button btn1,btn2;
	Consume( )
	{
		super("消费窗口");
		prompt=new Label("请输入消费金额");
		input= new TextField(6);
		btn1=new Button("确定");
		btn2=new Button("关闭");
		setLayout(new FlowLayout( ));
		add(prompt);
		add(input);
		add(btn1);
		add(btn2);
		btn1.addActionListener(this);
	    btn2.addActionListener(this);
		setSize(220,200);
		setBackground(Color.pink);
    }
    public void actionPerformed(ActionEvent e)
    {
		if(e.getSource()==btn1)
        {
		   double CostMoney=0;
		   try{
				 CostMoney=Double.parseDouble(input.getText());
		       }catch(NumberFormatException g)
				{
				JOptionPane.showMessageDialog(null,"你的输入中含有非法字符！请重试!","Warning Message",JOptionPane.WARNING_MESSAGE);
				return;
				}
		  if(CostMoney>j04404e3StudentCard.balance)
		{
		  JOptionPane.showMessageDialog(null,"你的卡中余额不足！","Error Message",JOptionPane.ERROR_MESSAGE);
		  return;
	    }
	    else
	    {
			j04404e3StudentCard.balance-=CostMoney;
		    JOptionPane.showMessageDialog(null,"这次你消费了"+Integer.parseInt(input.getText())+"元。","show message",1);
		    input.setText("");
	    }
       }

      if(e.getSource()==btn2)
      {
		  dispose( );
      }
    }
 }
 class Sufficient extends Frame implements ActionListener   //充值窗口的定义
 {
	 Label prompt;
	 TextField input;
	 Button btn1,btn2;
	 Sufficient( )
	 {
		 super("充值窗口");
		 prompt=new Label("请输入欲充值数额");
		 input=new TextField(6);
		 btn1=new Button("确定");
		 btn2=new Button("关闭");
		 setLayout(new FlowLayout( ));
		 add(prompt);
		 add(input);
		 add(btn1);
		 add(btn2);
		 btn1.addActionListener(this);
		 btn2.addActionListener(this);
		 setSize(220,200);
		 setBackground(Color.pink);
     }
     public void actionPerformed(ActionEvent e)
     {
		 if(e.getSource()==btn1)
		 {
		 	double CostMoney=0;
		 	try{
		 	    CostMoney=Double.parseDouble(input.getText());
		       }catch(NumberFormatException g)
		 		  {
		 	        JOptionPane.showMessageDialog(null,"你的输入中含有非法字符！请重试!","Warning Message",JOptionPane.WARNING_MESSAGE);
		 		    return;
				  }
            j04404e3StudentCard.balance+=CostMoney;
            JOptionPane.showMessageDialog(null,"您成功充值了"+Integer.parseInt(input.getText())+"元。","show message",1);
			input.setText("");
	     }
	    if(e.getSource()==btn2)
		{
		  dispose( );
        }
     }
 }
    class Baoming extends Frame implements ActionListener  //报名窗口的定义
    {
		Button btn1,btn2,btn3,btn4;
		Baoming( )
		{
			super("考试报名");
			setLayout(new FlowLayout());
			btn1=new Button("1: 英语四级   ");
	        btn2=new Button("2: 英语六级   ");
	        btn3=new Button("3: 计算机二级 ");
			btn4=new Button("  关闭  ");
			add(btn1);
			add(btn2);
		    add(btn3);
			add(btn4);
			btn1.addActionListener(this);
			btn2.addActionListener(this);
			btn3.addActionListener(this);
			btn4.addActionListener(this);
	        setSize(150,200);
	        setBackground(Color.pink);
	    }
	    public void actionPerformed(ActionEvent e)
	    {
			 if(e.getSource()==btn1)
			 {
			    if(j04404e3StudentCard.balance>=30.0)
				{
					j04404e3StudentCard.balance-=30.0;
					JOptionPane.showMessageDialog(null,"你已经成功报名英语四级！报名费30元","show message",1);
			     }
			    else
			    JOptionPane.showMessageDialog(null,"余额不足请充值！","show message",1);
		     }

		    if(e.getSource()==btn2)
		    {
		    	 if(j04404e3StudentCard.balance>=40.0)
				 {
			    	   j04404e3StudentCard.balance-=40.0;
					   JOptionPane.showMessageDialog(null,"你已经成功报名英语六级！报名费30元","show message",1);
			     }
			     else
			     JOptionPane.showMessageDialog(null,"余额不足请充值！","show message",1);
		    }
			if(e.getSource()==btn3)
			{
		    	  if(j04404e3StudentCard.balance>=15.0)
				  {
		     	    j04404e3StudentCard.balance-=15.0;
				    JOptionPane.showMessageDialog(null,"你已经成功报名计算机二级！报名费15元","show message",1);
			      }
			      else
			       JOptionPane.showMessageDialog(null,"余额不足请充值！","show message",1);
		    }
		   if(e.getSource()==btn4)
		   {
			 	dispose();
		    }
	  }
   }