使用CGI脚本进行Perl表单验证
我正在努力完成我的作业的最后一项任务，就是在将表单提交给另一个CGI程序之前验证表单 我有一个简单的CGI程序，它会要求用户输入数据使用CGI脚本进行Perl表单验证,perl,validation,cgi,Perl,Validation,Cgi,我正在努力完成我的作业的最后一项任务，就是在将表单提交给另一个CGI程序之前验证表单 我有一个简单的CGI程序，它会要求用户输入数据 #!/usr/bin/perl -w use CGI qw/:standard/; # Standard HTTP header print header(); # Write information to data file and produce a form &printForm(); # Finish HTML page print end
#!/usr/bin/perl -w
use CGI qw/:standard/;
# Standard HTTP header
print header();
# Write information to data file and produce a form
&printForm();
# Finish HTML page
print end_html();
# This sub will create a form to access the print_fortune.cgi script
sub printForm
{
print qq~
<html>
<head><title>My Search Engine</title>
</head>
<body>
<form action="b1.cgi" method="GET">
What is your e-msil address? <input type="text" name="passing" size=40>
<input type="submit" value="send address">
<input type="hidden" name="form" value="insert" />
</form>
<form method="get" action="b1.cgi" enctype="application/x-www-form-urlencoded">
<input type="text" name="search" value="" size="30" /><br />
<label><input type="radio" name="option" value="name" checked="checked" />name</label>
<label><input type="radio" name="option" value="author" />author</label><label>
<input type="radio" name="option" value="url" />url</label>
<label><input type="radio" name="option" value="keyword" />keyword</label>
<input type="submit" name=".submit" value="Search" />
<input type="hidden" name="passing" value="http://default.com" />
<div><input type="hidden" name="form" value="search" /></div></form>
</body>
#!/usr/bin/perl
print "Content-type: text/html\n\n";
use LWP::Simple;
use CGI;
use HTML::HeadParser;
use DBI;
my $serverName = "";
my $serverPort = "";
my $serverUser = "";
my $serverPass = "";
my $serverDb = "";
my $serverTabl = "";
$cgi = CGI->new;
my $pass = $cgi->param('passing');
$URL = get ("$pass");
$head = HTML::HeadParser->new;
$head->parse("$URL");
my $methods = $cgi->param('form');
if ($methods eq "insert"){
insert_entry();
}
show_entries();
sub insert_entry {
my ($dbh, $success, $name, $author, $url,$temp);
$dbh = DBI->connect("DBI:mysql:database=$serverDb;host=$serverName;port=$serverPort",$serverUser,$serverPass);
$name = $head->header('X-Meta-Name');
$author = $head->header('X-Meta-Author');
$url = $cgi->param('passing');
$temp = $head->header('X-Meta-Keywords');
@keyword = split(/,/,$temp);
$success = $dbh->do("INSERT INTO $serverTabl(name,author,url,keyword1,keyword2,keyword3,keyword4,keyword5) VALUES(?,?,?,?,?,?,?,?)", undef,$name,$
author,$url,$keyword[0],$keyword[1],$keyword[2],$keyword[3],$keyword[4]);
$dbh->disconnect;
if($success != 1) {
return "Sorry, the database was unable to add your entry.
Please try again later.";
} else {
return;
}
}
sub show_entries {
my ($dbh, $sth, @row);
my $search = $cgi->param('search');
my $option = $cgi->param('option');
$dbh = DBI->connect("DBI:mysql:database=$serverDb;host=$serverName;port=$serverPort",$serverUser,$serverPass);
$sth = $dbh->prepare("SELECT *
FROM $serverTabl
WHERE $option LIKE '%$search%'");
$sth->execute;
print "Existing Entries",HR;
while(@row = $sth->fetchrow_array) {
$row[5] = scalar(localtime($row[5]));
print "<table border='2'><tr>";
print "<td>" . $row[0] . "</td>";
print "<td>Name" . $row[1] . "</td>";
print "<td>Author" . $row[2] . "</td>";
print "<td>URL" . $row[3] . "</td>";
print "<td>Keyword1" . $row[4] . "</td>";
print "<td>Keyword2" . $row[5] . "</td>";
print "<td>Keyword3" . $row[6] . "</td>";
print "<td>Keyword4" . $row[7] . "</td>";
print "<td>Keyword5" . $row[8] . "</td>";
print "</tr></table>";
}
$sth->finish;
$dbh->disconnect;
}
/^[\p{Alpha}]+$/
/^[\p{Alpha}\x20]+$/
m|^(?:([^:/?#]+):)?(?://([^/?#]*))?([^?#]*)(?:\?([^#]*))?(?:#(.*))?$|