Regarding what happens when the user presses the back button, you may
find the info I just added to the wiki helpful:
http://wiki.apache.org/struts/BrowserBackAndSecurity
L.
Gaet wrote:
Hi,
Thanks Marcelo,
For the back button of the browser I have disabled it because user does "tax
declaration" on the web site.
The problem with the back button of the browser is to handle the values typed
by the user 3 pages ago...so if the user go back on this page, the form is
empty...so I prefer to forbid this action...(using javascript :
action.history.forward(1))
Moreover I do not know if when the user press the back button, if the browser
call back the JSP page or the struts action?
but I would like to be able to redirect the user to the previous page by
calling the appropriate struts action.
I would like to know how webmaster usually do this behaviour....
TIA
----- Original Message -----
From: Marcelo Morales
To: Struts Users Mailing List
Cc: Gaet
Sent: Thursday, January 12, 2006 10:32 PM
Subject: Re: Session Attribute strange behaviour
Hello again
On Jan 12, 2006, at 4:19 AM, Gaet wrote:
> Thanks all for your reply!
>
> Michael : What are "navigation buttons"? an applet, a dhtml
> framework? Have you a link? thanks
He is questioning your requirement. It does not seem reasonable to
put a link to the last page visited when the browser has a built-in
"go back" button. I do press the back button ... a lot.
>
> Shawn : Sorry but I always get "backUrl is NULL" and not "backUrl
> is NOT NULL"...so as I think like you on the process, I wonder why
> I get "backUrl is NULL"...Thanks
Sorry, haven't look closely at his answer
>
> Marcelo : the refere header will give me back the last visited page
> i think or I want to retrieve the struts action that redirect to
> this page...
I used this long long time ago and... frankly ... I don't remember.
Just try it and put your findings here or in the wiki. Also, if you
use the referer remember it is browser-generated and, as a principle,
you can't trust user input...
>
> If you can help again...it would be great
>
> Thanks,
>
> Gaet'
>
Regards
Marcelo Morales
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