make_datetime()make_datetime()

• 08/06/2020
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根据指定的日期和时间创建一个日期/时间标量值。Creates a datetime scalar value from the specified date and time.

make_datetime(2017,10,01,12,10) == datetime(2017-10-01 12:10)

语法Syntax

make_datetime(year,month,day)make_datetime(year,month,day)

make_datetime(year,month,day,hour,minute)make_datetime(year,month,day,hour,minute)

make_datetime(year,month,day,hour,minute,second)make_datetime(year,month,day,hour,minute,second)

参数Arguments

• year：年（从 0 到 9999 的整数值）year: year (an integer value, from 0 to 9999)
• month：月（从 1 到 12 的整数值）month: month (an integer value, from 1 to 12)
• day：日（从 1 到 28-31 的整数值）day: day (an integer value, from 1 to 28-31)
• hour：小时（从 0 到 23 的整数值）hour: hour (an integer value, from 0 to 23)
• minute：分钟（从 0 到 59 的整数值）minute: minute (an integer value, from 0 to 59)
• second：秒（从 0 到 59.9999999 的实数值）second: second (a real value, from 0 to 59.9999999)

返回Returns

若创建成功，结果将是一个日期/时间值，否则，结果将为 null。If creation is successful, result will be a datetime value, otherwise, result will be null.

示例Example

print year_month_day = make_datetime(2017,10,01)

print year_month_day_hour_minute = make_datetime(2017,10,01,12,10)

print year_month_day_hour_minute_second = make_datetime(2017,10,01,12,11,0.1234567)