Hi, Anthony,
Thanks very much,
It's helpful for the 1st.
for my 2nd question, setting cookies on browser client could complete
the task, but need to load another javascript plugin, so i am trying to
address it in Web2py.
Simply speaking, it's a student site, when student practises, the site
set the current test in cookies(if the student leave and come back later,
he could start from this test by default, or the student can specify where
he starts by 'input' field), and get the next test from server,
continuously.
Thanks
Dave.
On Sunday, April 7, 2013 10:37:25 PM UTC+10, Anthony wrote:
>
> 1. i am using session to transfer user's input from first page to
>> second page via 'redirect', but i don't want to maintain session in
>> filesystem or DB, while seems it's not feasible for web2py, as i tested,
>> there are session files in session directory. so, is it possible to use
>> cookies or session without store the session info?
>
>
> If you prefer session data be stored in cookies, from the book:
>
>
> To *store sessions in cookies* instead you can do:
>
> session.connect(request,response,cookie_key='yoursecret',compression_level=None)
>
> Here cookie_key is a symmetric encryption key. compression_level is an
> optional zlib encryption level.
>
> While sessions in cookie are often recommended for scalability reason they
> are limited in size. Large sessions will result in broken cookies.
>
>
>
>> 2. The parameters of the first ajax call in 2nd page come from user's
>> input from the first page, then store and update these parameters to
>> cookies after the ajax call succeeds. continuously, the later ajax calls
>> will use the dynamically-updated parameters which stay in cookies from
>> previous call. So, the problem is: ajax call will use parameters from first
>> page and then use parameters from cookies later. tried to set cookies in
>> the 2nd page with info from 1st page, obviously, it doesn't work.
>>
>
> It might be more clear if you show some code. Are you setting and
> retrieving cookie values on the client side via Javascript, or is all that
> happening on the server (in which case, sessions in cookies as noted above
> should work)?
>
> Anthony
>
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