8-10.cpp

来自「为初学者提供的最佳的C++程序设计源程序库」· C++ 代码 · 共 42 行

#include<iostream.h>
#include<conio.h>
class countstr{
private:
  unsigned int count;
public:
  countstr();
  ~countstr();
  void countchar();
  int getchar();
};
countstr::countstr()
{
  cout<<"\n Now constructor implementation! \n";
  count=0;
}
countstr::~countstr()
{
  cout<<"Destructor,Memory spece destroyed!\n";
  count=0;
}
void countstr::countchar()
{
  char ch;
  cout<<"Please enter a string:\n";
  //输入一段文字，按Enter键后结束计数
  while((ch=getche()!='\r'))
  {
    count++;             //count character
  }
}
int countstr::getchar()
{
  return count;
}
void main()
{
  countstr str;
  str.countchar();
  cout<<"\n Consists"<<str.getchar()<<"characters";
  cout<<endl;
}