金融证券系统

开发平台：
Java

ReceiptPrinter.java：源码内容
							// <html><head><title>ATM Simulation Implementation - the Receipt Printer</title></head><body><h2>ATM Simulation Implementation - the Receipt Printer</h2><pre>
/*
 * Example ATM simulation - file ReceiptPrinter.java
 *
 * This file implements the class that manages the ATM's receipt printer
 *
 * Copyright (c) 1997 - Russell C. Bjork
 *
 */
package atm.atmparts;
import java.awt.*;
import java.util.Date;
import atm.util.Money;
//</pre><hr><h3>Class ReceiptPrinter</h3><pre>
public class ReceiptPrinter extends TextArea
  {     
    //</pre><hr><pre>
    public ReceiptPrinter()
      {        
        super(GUILayout.PRINTABLE_LINES, GUILayout.PRINTABLE_CHARS);
        setBackground(Color.white);
        setForeground(Color.black);
        setFont(new Font("Courier", Font.PLAIN, 12));
        setEditable(false);
      }
      
    //</pre><hr><pre>
    public void printReceipt(int theATMnumber,
                             String theATMlocation,
                             int cardNumber,
                             int serialNumber,
                             String description,
                             Money amount,
                             Money balance,
                             Money availableBalance)
      { setText("");
        // Set up the receipt
        
        String lines[] = new String[7];
        int i = 0;
        lines[i ++] = new Date().toString() + "n";
        lines[i ++] = theATMnumber + " " + theATMlocation + "n";
        lines[i ++] = "CARD " + cardNumber + " TRANS " + serialNumber + "n";
        lines[i ++] = description + "n";
        if (amount.equals(new Money(0)))
            lines[i ++] = "n";
        else
            lines[i ++] = "AMOUNT:    " + amount.dollars() + "." +
                ((amount.cents() >= 10) ? "" + amount.cents() 
                                        : "0" + amount.cents()) + "n";
        lines[i ++] = "CURR BAL:  " + balance.dollars() + "." +
           ((balance.cents() >= 10) ? "" + balance.cents() 
                                    : "0" + balance.cents()) + "n";
        lines[i ++] = "AVAILABLE: " + availableBalance.dollars() + "." +
                ((availableBalance.cents() >= 10) ? "" + availableBalance.cents() 
                                            : "0" + availableBalance.cents()) + "n";
    
        // Animate it
    
        for (i = 0; i < 7; i ++)
          { appendText(lines[i]);
            try
              { Thread.sleep(1 * 1000); }
            catch (InterruptedException e)
              { }
          }    
      }
  }
//</pre></body></html>  

						