📄 invoice.cpp.html

📁 《Big C++ 》Third Edition电子书和代码全集-Part1

💻 HTML

字号:

<html>

<head>
	<title>invoice.cpp</title>
</head>

<body>
<pre>  1  #include "invoice.h"
  2  #include "itemiterator.h"
  3  #include "invoiceprinter.h"
  4  
  5  void Invoice::add(Item* it)
  6  {  
  7     items.push_back(it);
  8  }
  9  
 10  ItemIterator Invoice::create_iterator()
 11  {  
 12     return ItemIterator(items);
 13  }
 14  
 15  void Invoice::print(InvoicePrinter&amp; printer)
 16  {
 17     printer.print_header("I N V O I C E");
 18     printer.print_string("Description", true);
 19     printer.print_string("Unit Price", false);
 20     printer.print_string("Qty", false);
 21     printer.print_string("Total Price", false);
 22  
 23     double amount_due = 0;
 24     for (ItemIterator iter = create_iterator(); 
 25          !iter.is_done(); iter.next())
 26     {
 27        Item* it = iter.get();
 28        printer.print_string(it-&gt;get_description(), true);
 29        printer.print_number(it-&gt;get_unit_price(), 2);
 30        printer.print_number(it-&gt;get_quantity(), 0);
 31        printer.print_number(it-&gt;get_total_price(), 2);
 32        amount_due = amount_due + it-&gt;get_total_price();
 33     }
 34  
 35     printer.print_footer("AMOUNT DUE:", amount_due);
 36  }
</pre>
</body>
</html>

⌨️ 快捷键说明

复制代码 Ctrl + C

搜索代码 Ctrl + F

全屏模式 F11

切换主题 Ctrl + Shift + D

显示快捷键 ?

增大字号 Ctrl + =

减小字号 Ctrl + -