#include <stdio.h>
#include <time.h>
int Nextsecond(int *nyear, int *nmonth, int *ndate, int *nhour, int *nminute, int *nsecond)
{
/* 把传入的日期秒加1 */
int ndays = 0;
(*nsecond)++;
if (*nsecond >= 60)/* 大于60秒 秒置0 分钟加1*/
{
*nsecond = 0;
(*nminute)++;
if (*nminute >= 60)/*分钟大于60 小时加1 */
{
*nminute = 0;
(*nhour)++;
if (*nhour >= 24)/*大于24小时 天加1 */
{
*nhour = 0;
(*ndate)++;
ndays = GetMonthday(*nyear, *nmonth);/*把每月的天数甩出来*/
if ((*ndate > ndays) && (ndays > 0))/* 如果大于31或者30 月加1 */
{
*ndate = 1;
(*nmonth)++;
if (*nmonth > 12)/* 如果月大于12 年加1*/
{
*nmonth = 1;
(*nyear)++;
}
}
}
}
}
return 0;
}
int GetMonthday(int nyear, int nmonth)
{
int ndays = -1;//?
if (nmonth >= 1 && nmonth <= 12)
{
switch(nmonth)
{
case 1:
case 3:
case 5:
case 7:
case 8:
case 10:
case 12:
ndays = 31;
break;
case 4:
case 6:
case 9:
case 11:
ndays = 30;
break;
case 2:/* 闰年29 平年28*/
if (isleapyear(nyear))
{
ndays = 29;
}
else
{
ndays = 28;
}
}
}
return ndays;
}
int isleapyear(int nyear)
{
if (nyear < 0)
{
nyear = -nyear;
}
return ((nyear % 400 == 0) || (nyear % 4 == 0 && nyear % 100 != 0)) ? 1 : 0;
/* 闰年：1能被400整除 2 能被4整除但是不能被100整除 */
}
int main(int argc, char *argv[])
{
time_t Nowtime;
Nowtime = time(NULL);
struct tm *TimeInfo;
TimeInfo = localtime(&Nowtime);
/*输出当前时间*/
int nyear = TimeInfo->tm_year + 1900;
int nmonth = TimeInfo->tm_mon + 1;
int ndate = TimeInfo->tm_mday;
int nhour = TimeInfo->tm_hour;
int nminute = TimeInfo->tm_min;
int nsecond = TimeInfo->tm_sec;
printf("当前时间：%d年%d月%d日--%d时%d分%d秒
", nyear, nmonth, ndate, nhour, nminute, nsecond);
Nextsecond(&nyear, &nmonth, &ndate, &nhour, &nminute, &nsecond);
printf("下一秒：%d年%d月%d日--%d时%d分%d秒
", nyear, nmonth, ndate, nhour, nminute, nsecond);
/*以上是获取系统时间*/
printf("请输入 年-月-日-十-分-秒
");
scanf("%d-%d-%d-%d-%d-%d", &nyear, &nmonth, &ndate, &nhour, &nminute, &nsecond);
Nextsecond(&nyear, &nmonth, &ndate, &nhour, &nminute, &nsecond);
printf("下一秒：%d年%d月%d日--%d时%d分%d秒
", nyear, nmonth, ndate, nhour, nminute, nsecond);
/*手动输入时间*/
return 0;
}