On Sun, 2003-03-30 at 01:47, Rob Dixon wrote:
> Jdavis wrote:
> > hello,
> >
> > I have a perl/cgi scrip that Im trying to link to and pass a var like
> > so..
> >
> > <form action="the_prima.cgi?instance=25" method="post">
> >
> > the page im linking from has a <TEXTAREA> that gets filled in by a user.
> >
> > <textarea NAME="content" ROWS="15" COLS="60" style="background-color:
> > #CCCCCC" scrolling="no">Prima Gallery,</textarea>
> >
> > the <TEXTAREA>s name is 'content'. SO the_prima.cgi
> > scrip has a if loop to determine the instance to use. In this case
> > Im calling instance 25. But the way i append it to the url is
> > interfering with the $content of the <TEXTAREA>. The $content never
> > shows up with post... and with get it overwrites the "?instance=25" with
> > ?content=blah%20blah"
>
> If you use POST then the input fields will be sent in the body of the HTTP
> request from the browser, and described by the HTTP headers
> Content-Type and Content-Length. Apache will provide this data on
> the STDIN filehandle for the CGI to read. I can't say for sure on other
> servers as my experience is only with Apache.
>
> With GET they will be sent as a query string on the URL, but the browser
> will strip off any already there, which is why you are losing the instance=25.
> Apache will pass this into CGI code in the QUERY_STRING environment variable.
>
> To get the 'instance' in at the same time as the input field values you would
> have to add a hidden field to the form
>
> <input type=hidden name=instance value=25>
>
> instead of coding it into the script URL. Then it would appear in QUERY_STRING
> or on STDIN together with the 'content' value.
>
> You could probably do both, and leave the 'instance' value as it is but use GET
> as the method and receive the user input fields in the request body. You would
> then get 'instance' in the query string and 'content' on STDIN. Try it and see.
>
> HTH,
>
> Rob
>
you rock! :o)
--
jd
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