<Fmt: parseNumber> tag
<Fmt: parseNumber> tag is used to parse numbers, percentages, currency.
Syntax
<fmt:parseNumber value="<string>" type="<string>" pattern="<string>" parseLocale="<string>" integerOnly="<string>" var="<string>" scope="<string>"/>
Attributes
<Fmt: parseNumber> tag has the following attributes:
| Attributes | description | If necessary | Defaults |
|---|---|---|---|
| value | To resolve figures | no | Body |
| type | NUMBER ,, CURRENCY, or PERCENT | no | number |
| parseLocale | Regional parsing numbers used | no | Default zone |
| integerOnly | Are only parse integers (true) or float (false) | no | false |
| pattern | Custom Analytical Patterns | no | no |
| timeZone | Date time zone to be displayed | no | Default time zone |
| var | Analytical variables to be stored in digital | no | Print to page |
| scope | Scope var attribute | no | page |
pattern attribute and <fmt: formatNumber> tag in the pattern have the same effect. When parsing, pattern attribute tells the parser desired format.
Examples Demo
<%@ 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:parseNumber 标签</title>
</head>
<body>
<h3>数字解析:</h3>
<c:set var="balance" value="1250003.350" />
<fmt:parseNumber var="i" type="number" value="${balance}" />
<p>数字解析 (1) : <c:out value="${i}" /></p>
<fmt:parseNumber var="i" integerOnly="true"
type="number" value="${balance}" />
<p>数字解析 (2) : <c:out value="${i}" /></p>
</body>
</html>
Results are as follows:
数字解析: 数字解析 (1) : 1250003.35 数字解析 (2) : 1250003