JSP JSTL < x: when > Tags: execute code according to conditions
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Java
< x: when select = "XPATHexpression" > body content < / X: when >
Example
<%@taglib prefix="x" uri="http://java.sun.com/jsp/jstl/xml"%> <%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%> <c:import url="bookInfo.xml" var="xmlFile" charEncoding="gbk"/> <x:parse var="bookInfo" doc="${xmlFile}"></x:parse> <x:choose> <x:when select="$bookInfo/books/book[name='JSP程序开发范例宝典'][sellAmount/ @value>5000]">非常畅销</x:when> <x:when select="$bookInfo/books/book[name='JSP程序开发范例宝典'][sellAmount/ @value<5000][sellAmount/@value>2000]">基本畅销</x:when> <x:when select="$bookInfo/books/book[name='JSP程序开发范例宝典'][sellAmount/ @value<2000]">不畅销</x:when> </x:choose>
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