How to realize a simple perpetual calendar with C++

This article mainly explains "how to use C++ to achieve a simple perpetual calendar", interested friends may wish to have a look. The method introduced in this paper is simple, fast and practical. Next, let the editor take you to learn "how to use C++ to achieve a simple perpetual calendar"!

The code is as follows:

/ * * File name: perpetual Calendar .cpp * author: chenghan* completion date: 2019 Universe 10 * version number: 1.0 * problem description: making a simple perpetual calendar * / # include#include using namespace std;// to determine whether a year is a leap year, whether to return true or not to return falsebool isleapyear (int year); / / Rabbit pattern void Rabbit () / / Encapsulation time private data members include year, month and day class Date {private: int year, month, day; / / Private data member public: Date () {} / / No parameter constructor Date (int year, int month, int day); / / parameter constructor void Disp_Date (); / / display week void set (); / / user input time int week () / / function to determine the day of the week void show (); / function to display the calendar}; / / main function int main () {Date t; / / create a Date class object string N = "yes"; Rabbit (); while (naming = "yes") {t.set (); / / call the set time function t.Disp_Date (); / / display the day of the week (); / / display the calendar screen coutN } return 0;} / / to determine whether a year is a leap year, and whether to return true returns falsebool isleapyear (int year) {if ((year% 4 = = 0 & & year% 100! = 0) | | year% 400 = = 0) return true; else return false;} / / Rabbit pattern void Rabbit () {cout