#include #include "mydate.h" mydate::mydate(int _year, int _month, int _day) : year{_year}, month{_month}, day{_day} { std::cout << "创建了日期对象 "; print(); } mydate::~mydate() { std::cout << "撤销了日期对象 "; print(); } void mydate::print() { std::cout << year << '-' << month << '-' << day << '\n'; }