Detailed explanation of JSTL data formatting examples

Date represents

<fmt:formatDate value="${DATE1}" pattern="yyyy-MM-dd hh:mm:ss" type="date" dateStyle="long" /> 
<fmt:formatDate value="${DATE2}" type="date" pattern="yyyy-MM-dd"/>

Percent, thousandth represents

<fmt:formatNumber value="${DoubleVALUE}" type="number" pattern="0.00‰" />    0.01 ‰
<fmt:formatNumber    value="${DoubleVALUE}"   type="number" pattern="0.00%" />    0.20 %

Other digital representation

<fmt:formatNumber value="123456.7891" pattern="#,#00.0#"/> －－ 123,456.79
<fmt:formatNumber value="123456.7" pattern="#,#00.0#"/> －－ 123,456.7
<fmt:formatNumber value="123456.7" pattern="#,#00.00#"/> －－ 123,456.70
<fmt:formatNumber value="12" type="percent" /> -- 1,200%type 可以是currency、 number、 和percent。

Currency representation

===1
<fmt:setLocale value="ch_CH" />
<fmt:formatNumber value="${data}" type="currency" />
==2
<fmt:formatNumber value="${doubleValue}" type="number" pattern="￥0.00" />

The output format of fmt:formatDate

<fmt:formatDate value="${isoDate}" type="both"/>2004-5-31 23:59:59
<fmt:formatDate value="${date}" type="date"/>2004-4-1
<fmt:formatDate value="${isoDate}" type="time"/>23:59:59
<fmt:formatDate value="${isoDate}" type="date" dateStyle="default"/>2004-5-31
<fmt:formatDate value="${isoDate}" type="date" dateStyle="short"/>04-5-31
<fmt:formatDate value="${isoDate}" type="date" dateStyle="medium"/>2004-5-31
<fmt:formatDate value="${isoDate}" type="date" dateStyle="long"/>2004年5月31日
<fmt:formatDate value="${isoDate}" type="date" dateStyle="full"/>2004年5月31日 星期一
<fmt:formatDate value="${isoDate}" type="time" timeStyle="default"/>23:59:59
<fmt:formatDate value="${isoDate}" type="time" timeStyle="short"/>下午11:59
<fmt:formatDate value="${isoDate}" type="time" timeStyle="medium"/>23:59:59
<fmt:formatDate value="${isoDate}" type="time" timeStyle="long"/>下午11时59分59秒
<fmt:formatDate value="${isoDate}" type="time" timeStyle="full"/>下午11时59分59秒 CDT
<fmt:formatDate value="${date}" type="both" pattern="EEEE, MMMM d, yyyy HH:mm:ss Z"/>星期四, 四月 1, 2004 13:30:00 -0600
<fmt:formatDate value="${isoDate}" type="both" pattern="d MMM yy, h:m:s a zzzz/>31 五月 04, 11:59:59 下午 中央夏令时

Format mode:
d A certain day in the month. Single-digit dates have no leading zeros.​
dd A certain day in the month. Single-digit dates have a leading zero.​
ddd The abbreviated name of a day of the week, defined in AbbreviatedDayNames.​
dddd The full name of a day of the week, as defined in DayNames .​
M Month number. Single-digit months have no leading zeros.​
MM month number. Single-digit months have a leading zero.​
MMM The abbreviated name of the month, defined in AbbreviatedMonthNames.​
MMMM The full name of the month, as defined in MonthNames .​ ​
y ​ The year without the epoch. If the year without the epoch is less than 10, the year without leading zeros is displayed.​
yy Year without epoch. If the year without the epoch is less than 10, the year with leading zeros is displayed.​
yyyy ​ A four-digit year including the epoch.​
gg Period or era. If the date being formatted does not have an associated period or epoch string, the pattern is ignored.​
h ​ The hour in the 12-hour clock. Single-digit hours have no leading zeros.​
hh Hour in 12-hour format. Single-digit hours have leading zeros.​
H Hour in 24-hour format. Single-digit hours have no leading zeros.​
HH Hour in 24-hour format. Single-digit hours have leading zeros.                                                                                                                                                                                                                                     · Single-digit minutes have no leading zeros.​
mm minutes. Single-digit minutes have a leading zero.​
s seconds. Single-digit seconds have no leading zeros.​
ss seconds. Single-digit seconds have a leading zero.

<fmt:formatDate value="${xx}" pattern="dd/MM/yyyy HH:mm aa"/>和
<fmt:formatDate value="${xx}" pattern="dd/MM/yyyy hh:mm aa"/>  对于0点显示的结果不一样

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