JSP Database Connection JSP Standard Tag Library (JSTL)

<fmt:formatDate> Tag

<fmt:formatDate> tag is used to format dates in different ways.

syntax format

<fmt:formatDate
  value="<string>"
  type="<string>"
  dateStyle="<string>"
  timeStyle="<string>"
  pattern="<string>"
  timeZone="<string>"
  var="<string>"
  scope="<string>"/>

attribute

<fmt:formatDate> tag has the following attributes:

attribute	description	whether necessary	default value
value	date to be displayed	yes	none
type	DATE, TIME, or BOTH	no	date
dateStyle	FULL, LONG, MEDIUM, SHORT, or DEFAULT	no	default
timeStyle	FULL, LONG, MEDIUM, SHORT, or DEFAULT	no	default
pattern	custom format pattern	no	none
timeZone	time zone displayed when showing the date	no	default time zone
var	storage variable name of formatted date	no	displayed on the page
scope	storage range of formatted log variables	no	page

<fmt:formatDate> tag format pattern

code	description	example
G	era marker	AD
y	Years not including the era. If the year not including the era is less than 10If the year does not have a leading zero, it is displayed.	2002
M	month number. A single-digit month does not have a leading zero.	April & 04
d	day of the month. A single-digit date does not have a leading zero.	20
h	12 hour in 12-hour format. A single-digit hour does not have a leading zero.	12
H	24 hour in 12-hour format. A single-digit hour does not have a leading zero.	0
m	minutes. A single-digit minute does not have a leading zero.	45
s	seconds. A single-digit second does not have a leading zero.	52
S	milliseconds	970
E	day of the week	Tuesday
D	一年中的第几天	180
F	一个月中的第几个周几	2 (一个月中的第二个星期三)
w	一年中的第几周r	27
W	一个月中的第几周	2
a	a.m./p.m. indicator	PM
k	小时(12 小时制的小时)	24
K	小时(24 小时制的小时)	0
z	时区	中部标准时间
'		转义文本
''		单引号

示例演示

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8">
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>
<html>
<head>
  <title>JSTL fmt:dateNumber Tag</title>
</head>
<body>
<h2>Date Formatting:</h2>
<c:set var="now" value="<%=new java.util.Date()%>" />
<p>Date Formatting (1): <fmt:formatDate type="time" 
            value="${now}" /></p>
<p>Date Formatting (2): <fmt:formatDate type="date" 
            value="${now}" /></p>
<p>Date Formatting (3): <fmt:formatDate type="both" 
            value="${now}" /></p>
<p>Date Formatting (4): <fmt:formatDate type="both" 
            dateStyle="short" timeStyle="short" 
            value="${now}" /></p>
<p>Date Formatting (5): <fmt:formatDate type="both" 
            dateStyle="medium" timeStyle="medium" 
            value="${now}" /></p>
<p>Date Formatting (6): <fmt:formatDate type="both" 
            dateStyle="long" timeStyle="long" 
            value="${now}" /></p>
<p>Date Formatting (7): <fmt:formatDate pattern="yyyy"-MM-dd" 
            value="${now}" /></p>
</body>
</html>

The above example execution result is:

Date Formatting:
Date Formatting (1) : 11:19:43
Date Formatting (2) : 2016-6-26
Date Formatting (3) : 2016-6-26 11:19:43
Date Formatting (4) : 16-6-26 Morning11:19
Date Formatting (5) : 2016-6-26 11:19:43
Date Formatting (6) : 2016Year6Month26Day Morning11Hours19Minutes43Seconds
Date Formatting (7) : 2016-06-26

JSP Standard Tag Library

JSP Database Connection JSP Standard Tag Library (JSTL)

Basic Tutorial of JSP

Advanced Tutorial of JSP

<fmt:formatDate> Tag

syntax format

attribute

示例演示