l6_8.cpp

《C++程序设计教程》电子教案及例题源码

#include <iostream.h>
#include <string.h>
class CStudent
{
private:
	int number;
	char name[10];
	static int total;
public:
	CStudent(int xh, char *xm);
	~CStudent();
	static int GetTotal();
	int GetNumber();

};

CStudent::CStudent(int xh, char *xm)
{
	number = xh;
	strcpy(name, xm);
	total++;
}

CStudent::~CStudent()
{
	total--;
}

int CStudent::GetTotal()
{
	cout << number;
	
	return total;
}

int CStudent::GetNumber()
{
	return number;
}

int CStudent::total = 0;
void func();

void main()
{
	cout << CStudent::GetTotal() << endl;
	CStudent s1(10001, "AAAAAA" );
	cout << CStudent::GetTotal() << endl;
	CStudent s2(10002, "BBBBBB" );
	cout << CStudent::GetTotal() << endl;
	func();
	cout << CStudent::GetTotal() << endl;
}

void func()
{
	CStudent s3(10003, "CCCCCC" );
	cout << CStudent::GetTotal() << endl;
}