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8.2

Perl cgi - dynamically generate tabulated form

Asked by illuzian in Perl Programming Language

Tags: Perl, Form, CGI, Table, DBI, Mysql, SQL

HI All,

Need some help with something I'm writing and I've hit a mental block.

At current I'm fetching some data from sql and have stored a hash ref for each row in an array:

sub loadsheet {
        my $loadsheet = param(".SheetDate");
        $sth = $dbh->prepare("select Jobs.JobName,Jobs.JobDesc,Jobs.JobHelp From Jobs,Jobstatus where Jobstatus.Date = DATE('$loadsheet') AND Jobs.JobName = Jobstatus.JobName");
        $sth->execute;
        my @tbldata;
        while (my $a = $sth->fetchrow_hashref()) {
                push(@tbldata, $a);
        }
        print htmlhead("Sheet");
        foreach my $hash (@tbldata) {
                foreach ( keys %$hash ) {
                       print h1("$_ $$hash{$_}");
                }
        }
        end_html;


Basically what want is to create a table+form ie:
COL HEADINGS
jobname | desc | url | tickbox | tickbox | textbox
jobname | desc | url | tickbox | tickbox | textbox
jobname | desc | url | tickbox | tickbox | textbox
[SUBMIT]

I can handle everything except how to generate the table with all form fields in it (last 3 columns), obviously I need to form in a table so that the presentation remains readable.

I could generate each field in the foreach loop however without it being in a table I'm somewhat lost, on top of that I also wouldn't have an idea how to gather the data submitted by the form to later 'update set' into the sql DB using form fields with the same name.


Thanks in advance guys. 
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#!/usr/bin/perl
use CGI qw(:standard);
use warnings;
use strict;
use DBI;
use DBD::mysql;
#Configurable settings:
my $dbuser = 'user';
my $dbpass = 'pass';
my $dbhost = 'localhost';
#End config
#Database setup
my $dsn = "dbi:mysql:webdb:$dbhost:3306";
my $dbh = DBI->connect($dsn, $dbuser, $dbpass)
        or die "Can't connect to the DB: $DBI::errstr\n";
my $sth;
#Get day of week and date
(undef,undef,undef,my $dayofmonth,my $month,my $year,my $dayofweek,undef,undef) = localtime(time); $year += 1900; $month++;
my $date = "$dayofmonth-$month-$year";
#This converts current day to database format
my %days = (
        "1" => "Mon",
        "2" => "Tue",
        "3" => "Wed",
        "4" => "Thu",
        "5" => "Fri",
        "6" => "Sat",
        "7" => "Sun",
        );
my $dbday = $days{$dayofweek};
#Index of subroutine pages
my %pages = (
	'Login To Sheet'	=> \&newsheet, #Action to perform if no current sheet is detected
	'Go To Sheet'		=> \&loadsheet, #Action to perform if a current sheet was detected
	'Proceed To Sheet'	=> \&loadsheet, #Loads the daily schedule
);
#Figur out which page to load
my $page = param(".Page");
 
if ($pages{$page}) {
	$pages{$page}->();
} 
else {
	login();
}
 
#Generate html header and page name USAGE: print htmlhead("Page Name");
sub htmlhead {
	return header(), start_html(shift);
}
 
#Login page
sub login {
	$sth = $dbh->prepare("select Date from Sheets where Current = 1");
	$sth->execute;
	my @currentsheets;
	while (my $a = $sth->fetchrow_array()) {
		push(@currentsheets, $a);
	}
	if (@currentsheets) {
		print htmlhead("Login Page"),
                h1("Sheet Login - Current Sheet Already Available"),
		h3("Select from list:"),
		start_form(),
		popup_menu(-NAME => ".SheetDate", -VALUES => \@currentsheets),
		submit(-NAME => ".Page", -VALUE => "Go To Sheet"),
		end_form(),
		end_html;
		
	}
	else {
		my %teammem;
		$sth = $dbh->prepare("select Fname,Lname,TeamID from Team");
		$sth->execute;
		while (my @a = $sth->fetchrow_array()) {
		$teammem{"$a[2]"} = "$a[0] $a[1]";
		}
		print htmlhead("Login Page"),
		h1("Sheet Login $dbday"),
		start_form(),
		p("Enter TeamID:", popup_menu(-NAME => ".TeamID", -VALUES => \%teammem)),
		submit(-NAME => ".Page", -VALUE => "Login To Sheet"),
		end_form(),
		end_html;
	}
}
 
sub newsheet {
	my $teamid = param(".TeamID");
	$sth = $dbh->prepare("INSERT into Jobstatus (Date,JobName)  SELECT CURDATE(),JobName FROM Jobs WHERE $dbday = 1");
	$sth->execute;
	$sth = $dbh->prepare("INSERT INTO Sheets (Date,Current,Locked,TeamID) VALUES(CURDATE(),1,1,$teamid)");
	$sth->execute;
	print htmlhead("test"),
	h3("User $teamid created new sheet for $date($dbday)"),
	hidden(-NAME => ".SheetDate", -DEFAULT => "$date"),
	submit(-NAME => ".Page", -VALUE=> "Proceed To Sheet"),
	end_html;
}
 
sub out {
	print header(), start_html("output"),
	h1("Output", param(".TeamID"));
}
 
sub loadsheet {
	my $loadsheet = param(".SheetDate");
	$sth = $dbh->prepare("select Jobs.JobName,Jobs.JobDesc,Jobs.JobHelp From Jobs,Jobstatus where Jobstatus.Date = DATE('$loadsheet') AND Jobs.JobName = Jobstatus.JobName");
	$sth->execute;
	my @tbldata;
	while (my $a = $sth->fetchrow_hashref()) {
		push(@tbldata, $a);
	}
	print htmlhead("Sheet");
	foreach my $hash (@tbldata) {
		print p(
		#foreach ( keys %$hash ) {
		#	print h1("$_ $$hash{$_}");
		#}
	}	
	end_html;
	
}
[+][-]09/19/09 11:11 PM, ID: 25376052Accepted Solution

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About this solution

Zone: Perl Programming Language
Tags: Perl, Form, CGI, Table, DBI, Mysql, SQL
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Solution Provided By: illuzian
Participating Experts: 2
Solution Grade: A
 
[+][-]09/18/09 05:20 AM, ID: 25365088Expert Comment

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[+][-]09/18/09 02:31 PM, ID: 25370151Assisted Solution

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[+][-]09/18/09 10:18 PM, ID: 25371576Author Comment

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