fig17_12.pl

来自「PERL语言资料 可以用于PERL程序设计」· PL 代码 · 共 58 行

#!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() );


###########################################################################
#  (C) Copyright 2001 by Deitel & Associates, Inc. and Prentice Hall.     #
#  All Rights Reserved.                                                   #
#                                                                         #
#  DISCLAIMER: The authors and publisher of this book have used their     #
#  best efforts in preparing the book. These efforts include the          #
#  development, research, and testing of the theories and programs        #
#  to determine their effectiveness. The authors and publisher make       #
#  no warranty of any kind, expressed or implied, with regard to these    #
#  programs or to the documentation contained in these books. The authors #
#  and publisher shall not be liable in any event for incidental or       #
#  consequential damages in connection with, or arising out of, the       #
#  furnishing, performance, or use of these programs.                     #
###########################################################################