一、经常需要在jsp中显示1976-02-02这样的日期,做法如下,忘记查看:
1.头部引入:<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>
2.具体位置使用:<fmt:formatDate value="${myList.alterDate }" pattern="yyyy-MM-dd HH:mm:ss"/>
二、Number格式化显示
1.头部引入:<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>
2.具体使用:
整数显示 <fmt:formatNumber value="${ myList.money }" pattern="#" type="number"/>
整数带千分符显示:
<fmt:formatNumber value="${num}" type="number"/>
整数显示:
<fmt:formatNumber value="${num}" pattern="#" type="number"/>
两位小数舍入显示:
<fmt:formatNumber value="${num}" pattern="#.##" type="number"/>
两位小数舍入,不足两位小数补0显示:
<fmt:formatNumber value="${num}" pattern="#.00" type="number"/>
货币显示:(与number类似扩展pattern)
<fmt:formatNumber value="${num}" type="currency"/>
百分数显示:(与number类似扩展pattern)
<fmt:formatNumber value="${num}" type="percent"/>
输出:
整数显示: 123456789012
整数带千分符显示: 123,456,789,012.346
两位小数舍入显示: 123456789012.35
两位小数舍入,不足两位小数补0显示: 123456789012.35
货币显示:¥123,456,789,012.35
百分数显示 12,345,678,901,235%
==============================================================================
三、其他转载的东西
设置显示时间戳
<%
request.setAttribute("currentTimeStamp",Calendar.getInstance().getTime());
%>
显示:2009-11
<fmt:formatDate pattern="yyyy-MM" value="${currentTimeStamp}"/> <br/>
显示:2009-11-30 23:47:06
<fmt:formatDate pattern="yyyy-MM-dd HH:mm:ss" value="${currentTimeStamp}"/> <br/>
显示:$12.00
<fmt:formatNumber value="12" type="currency" pattern="$.00"/> <br/>
显示:$12.0
<fmt:formatNumber value="12" type="currency" pattern="$.#"/> <br/>
¥12.0
<fmt:formatNumber value="12" type="currency" pattern="¥.00"/> <br/>
12.00元
<fmt:formatNumber value="12" type="currency" pattern="#0.00元"/> <br/>
¥12.00
<fmt:formatNumber value="12" type="currency"/> (那个货币的符号和当前web服务器的 local 设定有关)<br/>
123456.79
<fmt:formatNumber value="123456.7891" pattern="#0.00"/> <br/>
123,456.79
<fmt:formatNumber value="123456.7891" pattern="#,#00.00"/> <br/>
.79
<fmt:formatNumber value="0.7891" pattern="#.00"/> <br/>
12.34%
<fmt:formatNumber value="0.1234" type="percent" pattern="#0.00%"/><br/>
1,200%
<fmt:formatNumber value="12" type="percent" /><br/>
1200.00%
<fmt:formatNumber value="12" type="percent" pattern="#0.00%"/><br/>
------------------------------------------------------------------------------
java格式化输出:
DecimalFormat df = new DecimalFormat("格式");
String fmt =df.format(double);
符号 意义
0 一个数位
# 一个数位,前导零和追尾零不显示
. 小数点分割位置
, 组分隔符的位置
- 负数前缀
% 用100乘,并显示百分号
其他任何符号 在输出字符串中包括指定符号
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