javascript 日期格式化（转）
原文及附件：http://blog.stevenlevithan.com/archives/date-time-format
| Mask | Description |
|---|---|
d | Day of the month as digits; no leading zero for single-digit days. |
dd | Day of the month as digits; leading zero for single-digit days. |
ddd | Day of the week as a three-letter abbreviation. |
dddd | Day of the week as its full name. |
m | Month as digits; no leading zero for single-digit months. |
mm | Month as digits; leading zero for single-digit months. |
mmm | Month as a three-letter abbreviation. |
mmmm | Month as its full name. |
yy | Year as last two digits; leading zero for years less than 10. |
yyyy | Year represented by four digits. |
h | Hours; no leading zero for single-digit hours (12-hour clock). |
hh | Hours; leading zero for single-digit hours (12-hour clock). |
H | Hours; no leading zero for single-digit hours (24-hour clock). |
HH | Hours; leading zero for single-digit hours (24-hour clock). |
M | Minutes; no leading zero for single-digit minutes. Uppercase M unlike CF timeFormat's m to avoid conflict with months. |
MM | Minutes; leading zero for single-digit minutes. Uppercase MM unlike CF timeFormat's mm to avoid conflict with months. |
s | Seconds; no leading zero for single-digit seconds. |
ss | Seconds; leading zero for single-digit seconds. |
l or L | Milliseconds. l gives 3 digits. L gives 2 digits. |
t | Lowercase, single-character time marker string: a or p. No equivalent in CF. |
tt | Lowercase, two-character time marker string: am or pm. No equivalent in CF. |
T | Uppercase, single-character time marker string: A or P. Uppercase T unlike CF's t to allow for user-specified casing. |
TT | Uppercase, two-character time marker string: AM or PM. Uppercase TT unlike CF's tt to allow for user-specified casing. |
Z | US timezone abbreviation, e.g. EST or MDT. With non-US timezones or in the Opera browser, the GMT/UTC offset is returned, e.g. GMT-0500 No equivalent in CF. |
o | GMT/UTC timezone offset, e.g. -0500 or +0230. No equivalent in CF. |
S | The date's ordinal suffix (st, nd, rd, or th). Works well with d. No equivalent in CF. |
'…'or"…" | Literal character sequence. Surrounding quotes are removed. No equivalent in CF. |
UTC: | Must be the first four characters of the mask. Converts the date from local time to UTC/GMT/Zulu time before applying the mask. The "UTC:" prefix is removed. No equivalent in CF. |
And here are the named masks provided by default (you can easily change these or add your own):
| Name | Mask | Example |
|---|---|---|
| default | ddd mmm dd yyyy HH:MM:ss | Sat Jun 09 2007 17:46:21 |
| shortDate | m/d/yy | 6/9/07 |
| mediumDate | mmm d, yyyy | Jun 9, 2007 |
| longDate | mmmm d, yyyy | June 9, 2007 |
| fullDate | dddd, mmmm d, yyyy | Saturday, June 9, 2007 |
| shortTime | h:MM TT | 5:46 PM |
| mediumTime | h:MM:ss TT | 5:46:21 PM |
| longTime | h:MM:ss TT Z | 5:46:21 PM EST |
| isoDate | yyyy-mm-dd | 2007-06-09 |
| isoTime | HH:MM:ss | 17:46:21 |
| isoDateTime | yyyy-mm-dd'T'HH:MM:ss | 2007-06-09T17:46:21 |
| isoUtcDateTime | UTC:yyyy-mm-dd'T'HH:MM:ss'Z' | 2007-06-09T22:46:21Z |
