关于Qt日期

1、这里读数据库上来的数据是（equipID.begin_soc）uint seconds 
2、使用静态函数
QString strST="";
QString strStartitem="";
QDateTime sTime;
sTime = QDateTime::fromTime_t(equipID.begin_soc);
3、将QDateTime转换成字符串
strST = sTime.toString("yyyy-MM-dd hh:mm:ss:zzz");








下面是表示年月等保留多少位
Expression
Output
d
the day as number without a leading zero (1 to 31)
dd
the day as number with a leading zero (01 to 31)
ddd
the abbreviated localized day name (e.g. 'Mon' to 'Sun'). Uses QDate::shortDayName().
dddd
the long localized day name (e.g. 'Monday' to 'Sunday'). Uses QDate::longDayName().
M
the month as number without a leading zero (1-12)
MM
the month as number with a leading zero (01-12)
MMM
the abbreviated localized month name (e.g. 'Jan' to 'Dec'). Uses QDate::shortMonthName().
MMMM
the long localized month name (e.g. 'January' to 'December'). Uses QDate::longMonthName().
yy
the year as two digit number (00-99)
yyyy
the year as four digit number


Note: Unlike the other version of this function, day and month names must be given in the user's local language. It is only possible to use the English names if the user's language is English.
These expressions may be used for the time part of the format string:
Expression
Output
h
the hour without a leading zero (0 to 23 or 1 to 12 if AM/PM display)
hh
the hour with a leading zero (00 to 23 or 01 to 12 if AM/PM display)
H
the hour without a leading zero (0 to 23, even with AM/PM display)
HH
the hour with a leading zero (00 to 23, even with AM/PM display)
m
the minute without a leading zero (0 to 59)
mm
the minute with a leading zero (00 to 59)
s
the second without a leading zero (0 to 59)
ss
the second with a leading zero (00 to 59)
z
the milliseconds without leading zeroes (0 to 999)
zzz
the milliseconds with leading zeroes (000 to 999)
AP or A
interpret as an AM/PM time. AP must be either "AM" or "PM".
ap or a
Interpret as an AM/PM time. ap must be either "am" or "pm".