NET中DateTime.Now.ToString的格式化字符串

.NET中DateTime.Now.ToString的格式化字符串

.NET中DateTime.Now.ToString显示毫秒：

DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff")

DateTime.Now.ToString的其他格式化字符串：

格式化字符串	释义	示例
D	long date	Thursday, 10 April 2008
d	short date	04/10/2008
F	full date long	Thursday, 10 April 2008 06:30:00
f	full date short	Thursday, 10 April 2008 06:30
G	general long	04/10/2008 06:30:00
g	general short	04/10/2008 06:30
M	month	April 10
O	ISO 8601	2008-04-10T06:30:00.0000000
R	RFC 1123	Thu, 10 Apr 2008 06:30:00 GMT
s	sortable	2008-04-10T06:30:00
T	long time	06:30:00
t	short time	06:30
U	universal full	Wednesday, 09 April 2008 22:30:00
u	universal sortable	2008-04-10 06:30:00Z
Y	year month	2008 April
yy-MM-dd	custom	08-04-10
yyyy MMMM dd	custom	2008 April 08
yy-MMMM-dd ddd	custom	08-Apr-8 Tue
yyyy-M-d dddd	custom	2008-4-8 Tuesday
hh:mm:ss t z	custom	04:03:05 P -7
h:mm:ss tt zz	custom	4:03:05 PM -07
HH:mm:ss tt zz	custom	16:03:05 PM -07
HH:m:s tt zzz	custom	16:3:5 PM -07:00

当然也可以使用 DateTime类 提供的属性（如：DateTime.Now.Year）和方法（如：DateTime.Now.ToShortDateString()）。