11. Webautomatisierung HTTP Protokoll Tabellen Formulare und Parameter Templates, Graphik Ajax Zustandsinformationen

Größe: px

Ab Seite anzeigen:

Download "11. Webautomatisierung HTTP Protokoll Tabellen Formulare und Parameter Templates, Graphik Ajax Zustandsinformationen"

Katrin Mann
vor 7 Jahren
Abrufe

1 perldoc CGI

2 use CGI; $q=new CGI; print $q->start_html; use CGI qw( :standard );# :html3 for tables print start_html; # same as object call <H1> => h1(); <UL> </UL> => ul( ); Ul(), UL() tr Tr() <TR>

3 use CGI qw( :standard new);# function new print new('text'); # yields <NEW>text</NEW> start_xxx end_xxx use CGI qw( :standard start_ul); print start_ul,'text',end_ul;#<ul>text</ul> <H1 ALIGN="LEFT"> h1({-align=>left}); <H1>a test</h1> h1('a','test'); li('red'), li('yellow'), li('blue') li( [ qw(red yellow blue) ] )

4 use CGI qw /:standard/; print start_html, h1("a test"), end_html; <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML <head><title>untitled Document</title> <meta http-equiv="content-type" content=.../> </head><body><h1>a test</h1></body></html> perl script_name 1

5 header print header; #prints Content-type: text/html header print header(-type => 'text/html', -expires => '+1d', -status => '401 Authentication required' '-auth-type' => 'Basic');

6 use strict; use CGI::Carp qw(fatalstobrowser); print header, # output Content-Type: start_html({-title =>'HTML example', h2('a list demo'), ul(li([i('italic'), hr, p, b('bold'), -bgcolor =>'gray'}), tt('fixed width font')])), h2('link generation'), 'Start page of ', # anon array for list a({href=>' end_html; # separate start/end tags

7 table, Tr, thtd #example from M.Schilli, Linux Magazin 3/98 (in German) $content = [ ['column 1', 'column 2', 'column 3'], [1,2,3], [4,5,6], [7,8,9] ]; print table(tr(map {th($_)} "\n", map {Tr(map {th($_)} #example from M.Schilli, Linux Magazin 3/98 (in German) use CGI qw /:standard :html3/; print header; print start_html, hr, h2('a table demo'); foreach $row (1..2) { $rowcontent = ""; foreach $col (1..2) { $rowcontent.= td("field $row/$col"); } $tablecontent.= Tr($rowcontent). "\n"; } print table( {-border => 1, -bgcolor => 'orange'}, "\n", Tr(th("column 1"), th("column 2")), "\n", $tablecontent );

8 start_formend_form use CGI qw/:standard :html3/; print start_form, checkbox('-name' => 'color', '-checked' => 'checked', '-value' => 'yes', '-label' => 'Yes?'), submit('-name' => 'submit_button', '-value' => 'Send'), reset(), end_form;

9 param(key) key key-name if (defined param('color')) { } $color = param('color');... = param('color');

10 perldoc Template [% INCLUDE header title="my First Example" %] <p> Hello World! </p> [% INCLUDE footer copyright="2007 Arthur Dent" %] Class::DBI GD GD::GraphGD::TextGD::Graph3d Image::Magick

11 CGI::Perljax

12 hidden() cookie(-name=>'id',-value=>'val'); -domain use CGI qw/:standard/; if(defined ($id=cookie(-name => 'ID'))) { # Cookie is set! print header(); print b("welcome back, customer with ID $id!"); } else { # new customer $id = unpack ('H*', pack('nc', time, $$ % 0xff)); } $cookie = cookie('-name' => 'ID', '-value' => $id, '-expires' => '+1h', '-domain' => '.desy.de'); print header('-cookie' => $cookie); print b("welcome, you get customer ID $id");

13 -refresh=>$time -refresh

14 use CGI qw/:standard/; $time = 1; $count = param('count'); $count = 10; $count--; if ( $count ) { print header(-refresh => "$time; URL=$ENV{SCRIPT_NAME}?count= $count"); my $date = localtime(time); print start_html('test'), h1($date),"\n", end_html; } else { print header, start_html('no further testing, sorry'), h1('the clock is broken now'), end_html; }

Ähnliche Dokumente

Perl-Praxis. CGI-Skripte. Jörn Clausen Jens Reeder, Jan Krüger

Perl-Praxis. CGI-Skripte. Jörn Clausen Jens Reeder, Jan Krüger Perl-Praxis CGI-Skripte Jörn Clausen Jens Reeder, Jan Krüger {jreeder,jkrueger}@techfak.uni-bielefeld.de Übersicht WWW, Web-Server CGI-Skripte Parameterübergabe Web-Formulare CGI.pm Perl-Praxis CGI-Skripte