JSTL fmt:parseNumber Formatting Tag

The JSTL <fmt:parseNumber> Formatting Tag is used for parsing the numbers, currencies and percentages.

Syntax:

<fmt:parseNumber value=”val” otherattributes />

fmt:parseNumber tag attributes:

Attribute	Description	Required
value	Numeric value to read or parse.	No
type	NUMBER, CURRENCY, PERCENT.	No
parseLocale	Locale to use when parsing the number.	No
integerOnly	Whether to parse to an integer (true) or floating point number (false).	No
pattern	It specify the custom parsing pattern.	No
timeZone	It specify the time zone of the displayed date.	No
var	It specify the name of the variable to store the parsed number.	No
scope	It specify the scope of the variable to store the parsed number.	No

Example:

test.jsp

<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>
 
<html>
  <head>
 	<title>fmt:parseNumber JSTL formatting tag example</title>
  </head>
  <body>
    <c:set var="number" value="324123.23234"/>
    Number after parsing by setting type attribute: <br/>
    <fmt:parseNumber  var="num" value="${number}" type="number"/> 
    <c:out value="${num}"/><br/>
    Number after parsing by setting integerOnly attribute to true: <br/>
    <fmt:parseNumber  var="num" value="${number}" integerOnly="true"/> 
    <c:out value="${num}"/>
  </body>
</html>

web.xml

<web-app>
 
  <welcome-file-list>
          <welcome-file>test.jsp</welcome-file>
  </welcome-file-list>	
 
</web-app>

Output:

jsp example 44

Download this example.

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