发布于 2015-08-17 14:49:35 | 194 次阅读 | 评论: 0 | 来源: 网络整理
<fmt:formatDate>标签用于以各种不同的方式格式化日期
<fmt:formatDate>标签具有以下属性:
| 属性 | 描述 | 必须 | 默认 | 
|---|---|---|---|
| value | Date value to display | 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 formatting pattern | No | None | 
| timeZone | Time zone of the displayed date | No | Default time zone | 
| var | Name of the variable to store the formatted date | No | Print to page | 
| scope | Scope of the variable to store the formatted date | No | page | 
pattern属性来指定日期的更精确处理:
| 代码 | 目的 | 示例结果 | 
|---|---|---|
| G | The era designator | AD | 
| y | The year | 2002 | 
| M | The month | April & 04 | 
| d | The day of the month | 20 | 
| h | The hour(12-hour time) | 12 | 
| H | The hour(24-hour time) | 0 | 
| m | The minute | 45 | 
| s | The second | 52 | 
| S | The millisecond | 970 | 
| E | The day of the week | Tuesday | 
| D | The day of the year | 180 | 
| F | The day of the week in the month | 2 (2nd Wed in month) | 
| w | The week in the year | 27 | 
| W | The week in the month | 2 | 
| a | The a.m./p.m. indicator | PM | 
| k | The hour(12-hour time) | 24 | 
| K | The hour(24-hour time) | 0 | 
| z | The time zone | Central Standard Time | 
| ' | The escape for text | |
| '' | The single quote | 
<%@ 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>
<h3>Number Format:</h3>
<c:set var="now" value="<%=new java.util.Date()%>" />
<p>Formatted Date (1): <fmt:formatDate type="time" 
            value="${now}" /></p>
<p>Formatted Date (2): <fmt:formatDate type="date" 
            value="${now}" /></p>
<p>Formatted Date (3): <fmt:formatDate type="both" 
            value="${now}" /></p>
<p>Formatted Date (4): <fmt:formatDate type="both" 
            dateStyle="short" timeStyle="short" 
            value="${now}" /></p>
<p>Formatted Date (5): <fmt:formatDate type="both" 
            dateStyle="medium" timeStyle="medium" 
            value="${now}" /></p>
<p>Formatted Date (6): <fmt:formatDate type="both" 
            dateStyle="long" timeStyle="long" 
            value="${now}" /></p>
<p>Formatted Date (7): <fmt:formatDate pattern="yyyy-MM-dd" 
            value="${now}" /></p>
</body>
</html>
这将产生以下输出结果:
| DATE FORMAT:Formatted Date (1): 14:27:18 Formatted Date (2): 23-Sep-2010 Formatted Date (3): 23-Sep-2010 14:27:18 Formatted Date (4): 23/09/10 14:27 Formatted Date (5): 23-Sep-2010 14:27:18 Formatted Date (6): 23 September 2010 14:27:18 GST Formatted Date (7): 2010-09-23 |