On Fri, 20 Sep 2002, Hao Ding wrote:
> I can get a map's point coordinates using scriplets as following:
>
> x = <%= request.getParameter("map.x") %>,
> y = <%= request.getParameter("map.y") %>
>
> how to use JSTL EL do that? I have tried
>
> x = <c:out value="${param.map.x}"/>,
> y = <c:out value="${param.map.y}"/>
>
> and
>
> x = <c:out value="${param[map.x]"/>,
> y = <c:out value="${param[map.y]"/>
>
> The outputs are empty.
${param.map.x} means "the 'x' property of the 'map' property of 'param.'"
${param[map.x]} means "the property of 'param' whose key is the value of
the 'x' property of the 'map' variable."
Based on your description, I believe you want the following instead:
${param["map.x"]}
--
Shawn Bayern
"JSTL in Action" http://www.jstlbook.com
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