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The <fmt:message> tag maps a keyword to a local message and then performs parameter substitution.
<fmt:message key="<string>" bundle="<string>" var="<string>" scope="<string>"/>
The <fmt:message> tag has the following attributes:
| Attribute | Description | Is it necessary | Default value |
|---|---|---|---|
| key | Message keyword to be retrieved | No | Body |
| bundle | Resource bundle to be used | No | Default resource bundle |
| var | Variable name for storing local messages | No | Print to page |
| Scope | The scope of the var attribute | No | Page |
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/fmt" prefix="fmt" %>
<html>
<head>
<title>JSTL fmt:message Tag</title>
</head>
<body>
<fmt:setLocale value="en"/>
<fmt:setBundle basename="com.w3codebox.Example" var="lang"/>
<fmt:message key="count.one" bundle="${lang}"/><br/>
<fmt:message key="count.two" bundle="${lang}"/><br/>
<fmt:message key="count.three" bundle="${lang}"/><br/>
</body>
</html>The execution result is as follows:
One Two Three