#include <iostream>using namespace std;class Test{private:	int num;public:	Test():num(0)	{}	Test& operator=(const int &num)	{		this->num = num;		return *this;	}	Test& operator=(const Test &test)	{		this->num = test.num;		return *this;	}	Test operator++(int)//后置	{		Test temp = *this;		++(this->num);		return temp;	}	Test& operator++()//前置，返回的是引用	{		++(this->num);		return *this;	}	operator int()//向int转换	{		return num;	}};int main(){	Test t1,t2;		int nt1 = ++t1;	cout<<"应该是1，实际是"<<nt1<<endl;//输出1	int nt2 = t2++;	cout<<"应该是0，实际是"<<nt2<<endl;//输出0	return 0;}