Re: how to loop Map model?

Ahh...Thanks for the tips Jonathan.

I just found this from doc too:
http://fmpp.sourceforge.net/freemarker/ref_builtins_hash.html

I would think an sample of such simple loop usage will be great to add to
documentation for beginner.


On Tue, Apr 8, 2008 at 9:53 AM, Jonathan Revusky <[email protected]> wrote:

> On Tue, Apr 8, 2008 at 3:42 PM, Zemian Deng <[email protected]>
> wrote:
> > Hello,
> >
> > Have inserted a java.util.Properties into template scope, how do I loop
> over
> > the map with all entries as key value pair?
> >
> > I tried something like this, and it got error:
> >
> > <#list Request.applicationProps as entry>
> >                  <tr><td>${entry.key}</td><td>${entry.value}</td></tr>
> >  </#list>
>
> <#list Request.application.Props?keys as key>
>
> <tr><td>${key}</td><td>${Request.applicationProps[key]}</td></tr>
> </#list>
>
> Actually, come to think of it, depending how FreeMarker is configured,
> you might have to write this as:
>
> <#list Request.application.Props?keys as key>
>   <#if key?is_string>
>
> <tr><td>${key}</td><td>${Request.applicationProps[key]}</td></tr>
>  </#if>
> </#list>
>
> That's because (depending on the configuration) the map might return
> the object's methods as part of the key set.
>
> JR
>
> > freemarker.template.TemplateException: Expected collection or sequence.
> > Request.applicationProps evaluated instead to
> freemarker.template.SimpleHash
> > on line 23, column 20 in WEB-INF/view/systeminfo.ftl.
> >
> >
> >
> > --
> > Thanks,
> > Zemian Deng
> >
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-- 
Thanks,
Zemian Deng

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