Thanks you for your detailed solution.
I just didn't know the existence of market_volumn.ITEMS so I didn't
know how to output the "volumn", shame on me of poor python
knowledge .
Anyway ,problem solved! applauds!
On Mar 21, 5:22 pm, Malcolm Tredinnick <malc...@pointy-stick.com>
wrote:
> On Fri, 2009-03-20 at 23:53 -0700,andrewwrote:
> > Hi ,all
>
> > I encounter a issue lasting 3 days, any help will be highly
> > appreciate.
>
> > view:
> > market_volumn={}
> > for m in marketTypeList:
> > market_volumn[m]=MarketVolumn.objects.filter
> > (marketType=m).order_by('week')
> > print market_volumn
>
> Not directly related to your question, but just "by the way...", this
> executes one SQL query per element in marketTypeList. You can do the
> same thing with only one query:
>
> queryset = MarketVolumn.objects. \
> filter(marketType__in=marketTypeList). \
> order_by("week")
> market_volumn = dict([(o.marketType, o) for o in queryset])
>
> Anyway, back to your question...
>
>
>
> > in the console ,the print result like this:
> > {<MarketType:1>:[<MarketVolumn: MarketVolumn
> > object>,<MarketVolumn: MarketVolumn object>],<MarketType:2>:
> > [<MarketVolumn: MarketVolumn object>,<MarketVolumn: MarketVolumn
> > object>]}
>
> > how can I output corresponding in the template? I want result like
> > this:
>
> > MarketType1
> > MarketVolumn11,MarketVolumn12,MarketVolumn13
> > MarketType2
> > MarketVolumn21,MarketVolumn22,MarketVolumn23
>
> Pass the market_volumn dictionary to the template, by putting something
> like this at the end of your view:
>
> return render_to_response("my_template.html", {"market_volumn":
> market_volumn}
>
> Then, in your template:
>
> {% for market_type,volumn in market_volumn.items %}
> {{ market_type }}
> {{ volumn|join:", " }}
> {% endfor %}
>
> Is that what you're after?
>
> Even if that's not exactly what you want, that should give you a few
> clues on things to look for. Have a quick read through the documentation
> for the built-in template tags and filters to see if there are other
> things like "join" that can help you out here.
>
> Regards,
> Malcolm
--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google Groups
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to
django-users+unsubscr...@googlegroups.com
For more options, visit this group at
http://groups.google.com/group/django-users?hl=en
-~----------~----~----~----~------~----~------~--~---
