mktime.cpp

数据结构常用算法合集

//mktime.cpp
#include <time.h>
#include <conio.h>
#include <iostream.h>
char *wday[] = {"星期日", "星期一", "星期二", "星期三",
"星期四", "星期五", "星期六", "不知道"};

void main(void)
{
  struct tm time_check;
  int year, month, day;
  time_t t;
  cout<<"输入公元年,月,日:";
  cin>>year>>month>>day;
  time_check.tm_year = year - 1900;		//填入结构
  time_check.tm_mon  = month - 1;
  time_check.tm_mday = day;
  time_check.tm_hour = 0;
  time_check.tm_min  = 0;
  time_check.tm_sec  = 1;
  time_check.tm_isdst = -1;
  t = mktime(&time_check);				//设置tm结构 
  if (t == -1)
  time_check.tm_wday = 7;
  else cout <<"设置时间为:"<< ctime(&t);
  cout<<"该日为:"<<wday[time_check.tm_wday];	//输出星期
  getch();
}