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本文实例讲述了JSP中使用JSTL按不同条件输出内容的方法。分享给大家供大家参考。具体如下:
ConditionalContentJSTL.jsp页面:
<%@ page language="java" contentType="text/html;charset=UTF-8" %> <%@ taglib uri="/WEB-INF/tld/c-rt.tld" prefix="c-rt" %> <html> <head> <title>Java Code Geeks Snippets - Conditional Content with JSTL in JSP Page</title> </head> <body> <%-- if condition --%> <c-rt:if test='${param.myparam1 == "myvalue1"}'> This is printed if parameter "myparam1" equals "myvalue1" </br> </c-rt:if> <%-- if/else condition --%> <c-rt:choose> <c-rt:when test='${param.myparam2 == "myvalue2"}'> This is printed if parameter "myparam2" equals "myvalue2" </br> </c-rt:when> <c-rt:otherwise> This is printed if parameter "myparam2" DOES NOT equal "myvalue2" </br> </c-rt:otherwise> </c-rt:choose> <%-- multiple conditions --%> <c-rt:choose> <c-rt:when test='${param.myparam3 == "0"}'> This is printed if parameter "myparam1" equals 0 </br> </c-rt:when> <c-rt:when test='${param.myparam3 == "1"}'> This is printed if parameter "myparam1" equals 1 </br> </c-rt:when> <c-rt:otherwise> This is printed for any other value of the parameter </br> </c-rt:otherwise> </c-rt:choose> </body>
希望本文所述对大家的JSP程序设计有所帮助。
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白云岛资源网 Design By www.pvray.com
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