The <fmt: parseNumber> tag is used to parse the string representation of numbers, currencies and percentage according to the customized formatting pattern.
Syntax Of <fmt: parseNumber> Tag
<fmt: parseNumber attributes> body content </fmt: parseNumber>
Attributes Of <fmt: parseNumber> Tag
| Attributes | Description |
|---|---|
| value | Specifies the string value that has to be parsed. |
| type | Specifies that the string has to be parsed as number, currency or percentage. |
| pattern | Specifies the custom pattern to parse the string. |
| var | Specifies the variable name to which the parse value is to be stored. |
| scope | The Scope into which the variable number has to be parsed . |
| parseLocale | It is used to set the locale during parsing the number . |
| integerOnly | Specifies that only integer value has to be parsed. |
Example
<%@ 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>parseNumber</title>
</head>
<body>
<h3>parseNumber Example</h3>
<c: set var="Balance" value="15768.50" />
<fmt:parseNumber var="tb" type="number" value="${Balance}" />
<p>Balance: <c:out value="${tb}" /></p>
<fmt:parseNumber var="tb" integerOnly="true" type="number" value="${Balance}" />
<p>Balance : <c:out value="${tb}" /></p>
</body>
</html>
Details of the Code
<fmt:parseNumber var=”tb” integerOnly=”True” type=”number” value=”${Balance}” /> tag is used to parse the number variable and by using integerOnly as true it displays only the integer value in the output.
<c:out> tag is used to display the value in output.
Steps for Execution
- Save this file as example.jsp in your eclipse IDE.
- Now select this jsp file, right mouse click and select Run as ->Run on server
Output
When the execution process is completed successfully we will get the following output:
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JSTL Format fmt:formatNumber Tag