SUBMIT
button on a
form, the HTTP server starts up the specified CGI program, and
makes the form data available to it.GET
and
POST
is the way in which a CGI program receives
the form data. If the method was GET
, the
information is usually obtained by examining the contents of an
environment variable (usually called
"QUERY_STRING
) containing the URL-encoded form
data. Other environment variables contain additional useful
information.POST
, the CGI program
usually receives the form data on its standard
input stream, with any extra stuff obtained, as before,
from environment variables.Perl
, C
or as Bourne shell
(/bin/sh
) scripts.Lecture 06: Applications #3.2: HTTP | Copyright © 2003 P.Scott, La Trobe University Bendigo. |