Java Tutorial/JSTL/Browser Type

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Check Browser

<%@ taglib uri="http://java.sun.ru/jstl/core" prefix="c" %>
<%@ taglib uri="http://java.sun.ru/jstl/core-rt" prefix="c-rt" %>
<html>
  <head>
    <title>Check Browser</title>
  </head>
  <body>
    <c-rt:choose>
      <c-rt:when test="<%=request.getHeader(\"User-Agent\").indexOf(\"MSIE\")!=-1%>">
      You are using Internet Explorer
      </c-rt:when>
      <c-rt:otherwise>
      You are using Netscape, or some other browser....
      </c-rt:otherwise>
    </c-rt:choose>
  </body>
</html>





Use Choose to Check the Browser Type

<%@ page language="java" contentType="text/html" %>
<%@ taglib prefix="c_rt" uri="http://java.sun.ru/jstl/core_rt" %>
<html>
  <head>
    <title>Browser Check</title>
  </head>
  <body bgcolor="white">
    <% String userAgent = request.getHeader("User-Agent"); %>
    <c_rt:choose>
      <c_rt:when test="<%= userAgent.indexOf("MSIE") != -1 %>" >
         You"re using Internet Explorer.
      </c_rt:when>
      <c_rt:when test="<%= userAgent.indexOf("Mozilla") != 1 %>" >
         You"re probably using Netscape.
      </c_rt:when>
      <c_rt:otherwise>
         You"re using a browser I don"t know about.
      </c_rt:otherwise>
    </c_rt:choose>
  </body>
</html>


Источник — «http://jexp.ru/index.php?title=Java_Tutorial/JSTL/Browser_Type&oldid=3410»