Method
GetDateTime
convert nullable DateTime to DateTime
DateTime? d=null;
Console.WriteLine(d.GetDateTime());
output:
2021/7/30 1:33:16
GetString
convert nullable DateTime to string(format：i.e：yyyy-MM-dd hh:mm:ss)
DateTime? d=DateTime.Now;
Console.WriteLine(d.GetString("yyyy-MM-dd hh:mm:ss"));
output:
2021-07-30 01:33:16
FormatCN(bool)
将日期转换成日期+汉字格式 (格式：2009-09-09 12:30 星期三)
DateTime d=DateTime.Now;
Console.WriteLine(d.FormatCN());
Console.WriteLine(d.FormatCN(true));
d=DateTime.Now.AddDays(-1);
Console.WriteLine(d.FormatCN());
Console.WriteLine(d.FormatCN(true));
d=DateTime.Now.AddDays(1);
Console.WriteLine(d.FormatCN());
Console.WriteLine(d.FormatCN(true));
output:
2021-07-30 01:36 <span style='color:red;'>今天</span>
2021-07-30<br>01:36 <span style='color:red;'>今天</span>
2021-07-29 01:36 昨天
2021-07-29<br>01:36 昨天
2021-07-31 01:36 明天
2021-07-31<br>01:36 明天
FirstDayOfMonth
Get first day of month.
d.FirstDayOfMonth()
output:
2021-08-01 00:00:00Z
LastDayOfMonth
Get last day of month.
d.LastDayOfMonth()
output:
2021-08-31 00:00:00Z
DaysInMonth
Get days in month.
d.DaysInMonth()
output:
31
DayOfWeekToCN
返回汉字星期几
d.DayOfWeekToCN()
output:
三