// Determine day of the week. CString day; switch (systime.wDayOfWeek) { case 0: day = "Sunday"; break;
case 1: day = "Monday"; break;
case 2: day = "Tuesday"; break;
case 3: day = "Wednesday"; break;
case 4: day = "Thursday"; break;
case 5: day = "Friday"; break;
case 6: day = "Saturday"; break; }
// Show the time in a message box. char str[50]; wsprintf(str, "%s %u/%u/%u %u:%u:%u:%u", day, systime.wYear+1, systime.wMonth, systime.wDay, systime.wHour, systime.wMinute, systime.wSecond, systime.wMilliseconds); AfxMessageBox(str);
GetSystemTime(&systime);
// Determine day of the week.
CString day;
switch (systime.wDayOfWeek)
{
case 0:
day = "Sunday";
break;
case 1:
day = "Monday";
break;
case 2:
day = "Tuesday";
break;
case 3:
day = "Wednesday";
break;
case 4:
day = "Thursday";
break;
case 5:
day = "Friday";
break;
case 6:
day = "Saturday";
break;
}
// Show the time in a message box.
char str[50];
wsprintf(str, "%s %u/%u/%u %u:%u:%u:%u",
day,
systime.wYear+1, systime.wMonth, systime.wDay,
systime.wHour, systime.wMinute, systime.wSecond, systime.wMilliseconds);
AfxMessageBox(str);
如果你在非MFC程序使用,可以参考一下它的源码
或者
转换成COleDateTime,用COleDateTimeSpan计算
SYSTEMTIME ct;
GetLocalTime(&ct);
这是 C 语言的用法,不支持直接运算。