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| <?php
#Îïðåäåëèë êîíñòàíòû äëÿ ïîäêëþ÷åíèÿ ê ñåðâåðó
define("HOST","localhost");
define("USER","root");
define("DB","journals");
#Ñîåäèíåíèå ñ ñåðâåðîì,âûáîð ÁÄ
@$link = mysql_connect(HOST,USER) or die (mysql_error());
@$selectDB = mysql_select_db(DB) or die (mysql_error());
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml-transitional.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html" charset=UTF-8" />
</head>
<body>
<?php
########################
#Ïîñòðàíè÷íàÿ íàâèãàöèÿ#
########################
/*
àðãóìåíòû:
$countStrings - integer (êîë-âî ñòðîê íà îäíîé ñòðàíèöå)
$showLinks - integer (êîë-âî ëèíêîâ íàâèãàöèè)
$nameTable - string (èìÿ òàáëèöû â ÁÄ, êîòîðàÿ ïîñòðàíè÷íî âûâîäèòñÿ)
*/
function getNavigation($countStrings,$showLinks,$sdachaprodukt)
{
#Ïîäñ÷åò ñòðîê â òàáëèöå
$queryForCount=mysql_query("SELECT*FROM".$sdachaprodukt);
#Ïîäñ÷åò êîë-âà ñòðàíèö
$allPages = ceil($count_rows/$countStrings);
#Ïðîâåðÿåì íà êàêîé ñòðàíèöå ìû íàõîäèìñÿ è çàäàåì ïðåäåë äëÿ âûâîäà èç ÁÄ
global $start;
if(!$_GET['page'] OR $_GET['page'] ==1)
{
$page=1;
$start=0;
}
else
{
$page=(int)$_GET['page'];
$start=($page*$countStrings) - $countStrings;
}
$end=$start+$countStrings;
#Åñëè ìû óøëè äàëåêî îò ïåðâîé ñòðàíèöû - òî âûâåäåì äëÿ óäîáñòâà "Ïåðâàÿ"
if($page > ceil($showLinks/2))
{
echo $firstPage = "<a class='page' href='?page=1'>Ïåðâàÿ</a>";
}
#Ïðîâåðÿåì - íåîáõîäèìà ëè ññûëêà "Ïðåäûäóùàÿ"
if($page !=1 AND $page > 1)
{
$prev=$page - 1;
echo $prevPage = "<a class='page' href='?page=".$prev."'>Ïðåäûäóùàÿ</a>";
}
#Ýòîò êóñîê âûâîäèò íàâèãàöèþ åñëè îáùåå êîë-âî ñòðàíèö è êîë-âî ïîêàçûâàåìûõ ññûëîê ñîâïàäàåò
if($showLinks >= $allPages)
{
for($i=1;$i<=$allPages;$i++)
{
if($i == $page)
{
echo $navigation="<strong class='page'>".$i."'</strong>";
}
else
{
echo $navigation="<a class='page' href='?page=".$i."'>".$i."</a>";
}
}
}
#Ýòîò êóñîê áóäåò ñòðîèòü íàâèãàöèþ êîãäà êîë-âî ñòðàíèö ïðåâûøàåò êîë-âî âûâîäèìûõ ññûëîê
elseif($allPages > $showLinks)
{
#Ñòðîèò íàâèãàöèþ äëÿ ïåðâûõ SHOWLINKS ññûëîê
if($page <= ceil($showLinks/2))
{
for($i = 1;$i < $showLinks+1; $i++)
{
if($i == $page)
{
echo $navigation="<strong class='page'>".$i."</strong>";
}
else
{
echo $navigation="<a class='page' href='?page=".$i."'>".$i."</a>";
}
}
}
#Ñòðîèò íàâèãàöèþ êîãäà ñòðàíèöà ìåæäó ïðåäûäóøåì óñëîâèå è ñëåäóþùèì (ÑÅÐÅÄÈÍÀ)
if($page - ceil($showLinks/2) > 0 AND $page <= $allPages - $showLinks)
{
for($i = $page - ceil($showLinks/2 - 1); $i <= $page + ($showLinks/2);$i++)
{
if($i == $page)
{
echo $navigation="<strong class='page'>".$i."</strong>";
}
else
{
echo $navigation="<a class='page' href='?page=".$i."'>".$i."</a>";
}
}
}
#Ñòðîèò íàâèãàöèþ äëÿ ïîñëåäíèõ SHOWLINKS ññûëîê
if($page > $allPages - $showLinks AND $page > ceil($showLinks/2))
{
for($i = ($allPages - $showLinks) + 1; $i <= $allPages; $i++)
{
if($i == $page)
{
echo $navigation="<strong class='page'>".$i."</strong>";
}
else
{
echo $navigation="<a class='page' href='?page=".$i."'>".$i."</a>";
}
}
}
}
#Ïðîâåðÿåì - íåîáõîäèìà ëè ññûëêà "Ñëåäóþùèé"
if($page != $allPages AND $page < $allPages)
{
$next = $page + 1;
echo $nextPage = "<a class='page' href='?page=".$next."'>Ñëåäóþùàÿ</a>";
}
#Åñëè ìû åùå äàëåêî îò ïîñëåäíåé ñòðàíèöû, òî âûâåäåì "Ïîñëåäíÿÿ"
if($page <= $allPages - $showLinks)
{
echo $lastPage= "<a class='page' href='?page=".$allPages."'>Ïîñëåäíÿÿ</a>";
}
}
####################################
#ÂÛÇÎÂ ÔÓÍÊÖÈÈ (ÏÎÑÒÐÎÅÍÈÅ ÍÀÂÈÃÀÖÈÈ)#
###################################
#getNavigation($countStrings,$showLinks,$nameTable);
#countStrings - integer (êîë-âî ñòðîê íà îäíîé ñòðàíèöå)
#$showLinks - integer (êîë-âî ëèíêîâ íàâèãàöèè)
#$nameTable - string (èìÿ òàáëèöû â ÁÄ, êîòîðàÿ ïîñòðàíè÷íî âûâîäèòñÿ)
#Ïðè âûçîâå - LIMIT ".$start.",3") , ãäå 3-$countStrings
#Ïðèìåð $query=mysql_query("SELECT*FROM `sdachaprodukt` ORDER BY `id` ASC LIMIT ".(int)$start.",3");
getNavigation(3,11,"sdachaprodukt");
###############
#ÂÛÂÎÄ ÒÀÁËÈÖÛ#
##############
mysql_close($link);
?>
</body>
</html> |
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