| Server IP : 14.207.165.8 / Your IP : 216.73.216.26 Web Server : Apache/2.4.18 (Ubuntu) System : Linux 246 4.4.0-210-generic #242-Ubuntu SMP Fri Apr 16 09:57:56 UTC 2021 x86_64 User : root ( 0) PHP Version : 7.0.33-0ubuntu0.16.04.16 Disable Function : exec,passthru,shell_exec,system,proc_open,popen,pcntl_exec MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : ON Directory : /proc/thread-self/root/proc/self/root/usr/share/doc/libdbd-mysql-perl/examples/ |
Upload File : |
#!/usr/bin/perl
use GD;
use DBI; # Load Database Interface Module
use Data::Dumper;
# Connect to database
my $dbh = DBI->connect
('DBI:mysql:database=test;host=localhost:mysql_server_prepare=1',
'myUser', 'myPassword', {RaiseError => 1})
or die "$0: Can not connect to database: " . $DBI::errstr;
# create a new image
$im = new GD::Image(6490,4000);
# allocate color black
$black = $im->colorAllocate(0,0,0);
# The maximum id value in table is 25958999
my $sth = $dbh->prepare("SELECT id FROM myTable WHERE id=?");
my $id = 1;
foreach $x (0..6489) {
print "x=$x/6490 id=$id\n";
foreach $y (0..3999){
$sth->execute($id);
if ($sth->fetchrow_array) {
$im->setPixel($x,$y,$black);
}
$id = $id + 1;
}
open(OUT,">/tmp/id.png") or die "can not write output file";
binmode OUT;
print OUT $im->png;
close(OUT);
}