C++控制台彩色日历小程序

源码

#include <iostream>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <windows.h>
using namespace std;
int mday[12]={31,28,31,30,31,30,31,31,30,31,30,31};
void colors(UINT fore,UINT back)
{
 HANDLE handle=GetStdHandle(STD_OUTPUT_HANDLE);
 SetConsoleTextAttribute(handle,fore+back*0x10);
 }   //变色
 
int dayofweek(int y,int m,int d)
{
 if(m==1||m==2)
 {
  y--;
  m+=12;
 }
 return (y+y/4-y/100+y/400+(13*m+8)/5+d)%7;
}
int is_leap(int y)
{
 return y % 4==0 && y %100 != 0 || y % 400 == 0;
}
int monthdays(int y,int m)
{
 if(m--!=2)
 return mday[m];
 return mday[m]+is_leap(y);
}
void put_ca(int y,int m,int d)
{
 int i;
 int wd=dayofweek(y,m,1);
 int mdays=monthdays(y,m);
 colors(10,0);
 cout<<"       "<<y<<"."<<m<<"   \n\n";
 cout<<" 日 一 二 三 四 五 六 \n";
 cout<<"======================\n";
 printf("%*s",3*wd," ");
 for(i=1;i <= mdays;i++)
 {
  colors(10,0);
  if(i==d)
  colors(12,0);
  printf("%3d",i);
  colors(10,0);
  if(++wd%7==0)
  putchar('\n');
 }
 if(wd%7!=0)
 putchar('\n');
 } 
 int main()
 {
  int y,m,d;
  char *dmsg;
  time_t current;
 struct tm *timer;
 time(&current);
 timer=gmtime(&current);
 y=timer->tm_year+1900;
 m=timer->tm_mon+1; 
 d=timer->tm_mday;
 system("mode con cols=31 lines=20"); //窗口宽度高度
  system("color 0E");
 system("title 日历");
 cout<<"当  前 日 期：\t";
 system("date /t");
 cout<<"当  前 时 间：\t";
 system("time /t");
 cout<<"\n";
  put_ca(y,m,d);
  cout<<"\n";
  system("pause"); 
  return 0;
 }

效果图