c++ (运算符重载 && ++运算符重载)

c++ (运算符重载 && ++运算符重载)

class Person
{
public:
	Person(){
		m_Num = 10;
	}
	//前置++ 重载
	Person& operator++()
	{
		this->m_Num++;
		return *this;
	}
	//后置++ 重载
	Person operator++(int)
	{
		//先保存下目前的数据
		Person tmp = *this;
		m_Num++;
		return tmp;
	}
	int m_Num;
};
ostream& operator<<(ostream& cout,Person p)
{
	cout << p.m_Num;
	return cout;
}
void  text01()
{
	Person p1;
//	++p1;//前置++
//	p1++;//后置++
	cout << ++p1 << endl;
	cout << p1++ << endl;
	cout << p1 << endl;
}