testing the template stack class

最新推荐文章于 2019-03-04 11:24:22 发布

micro9981

最新推荐文章于 2019-03-04 11:24:22 发布

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CC 4.0 BY-SA版权

文章标签： makefile string testing

本文链接：https://blog.youkuaiyun.com/micro9981/article/details/7019002

本文介绍了一个使用C++实现的模板栈类的测试程序。该程序允许用户添加或处理采购订单，通过简单的命令行界面实现栈的基本操作：压栈、出栈及检查栈是否为空或已满。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

// stacktem.cpp -- testing the template stack class
#include <iostream>
#include <string>
#include <cctype>
#include "stacktp.h"
using std::cin;
using std::cout;
int main()
{
 Stack<std::string> st; // create an empty stack
 char ch;
 std::string po;
 cout << "Please enter A to add a purchase order,\n"
   << "P to process a PO, or Q to quit.\n";
 while (cin >> ch && std::toupper(ch) != 'Q')
 {
  while (cin.get() != '\n')
  continue;
  if (!std::isalpha(ch))
  {
   cout << '\a';
   continue;
  }
  switch(ch)
  {
   case 'A':
   case 'a': cout << "Enter a PO number to add: ";
       cin >> po;
       if (st.isfull())
        cout << "stack already full\n";
       else
        st.push(po);
   break;
   case 'P':
   case 'p': if (st.isempty())
        cout << "stack already empty\n";
        else {
       st.pop(po);
       cout << "PO #" << po << " popped\n";
       break;
      }
  }
  cout << "Please enter A to add a purchase order,\n"
  << "P to process a PO, or Q to quit.\n";
 }
 cout << "Bye\n";
 return 0;
}