fig17_12.pl

PERL语言资料 可以用于PERL程序设计

#!perl
# Fig. 17.12: fig17_12.pl
# Program to begin a Web search.

use strict;
use warnings;
use CGI qw( :standard );

print( header(), start_html( "Web Search" ) );
print( h1( "Search the Web!" ) );

print( start_form( -method => "post", -action => "fig17_13.pl" ) );

print( "Enter query: " );
print( textfield( "query" ), br(), br() );

print( "Enter number of sites you want " );
print( br() );
print( "from each search engine, 1-50: " );
print( textfield( "amount" ), br(), br() );

print( "<input type = \"checkbox\" " ); 
print( "name = \"AltaVista\" value = \"1\">" );
print( "AltaVista", br() );

print( "<input type = \"checkbox\" " ); 
print( "name = \"HotBot\" value = \"1\">" );
print( "HotBot", br() );

print( "<input type = \"checkbox\" " ); 
print( "name = \"WebCrawler\" value = \"1\">" );
print( "WebCrawler", br() );

print( "<input type = \"checkbox\" " ); 
print( "name = \"NorthernLight\" value = \"1\">" );
print( "NorthernLight", br() );

print( br(), submit( "Search!" ), end_form() );

print( end_html() );


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