PHP encapsulates better digital paging method class_PHP tutorial

PHP encapsulates better digital paging method class

　/**

* Get page navigation HTML

* @param $pageNum: current page number

* @param $pageSize: Number of pages per page

* @param $rowCount: total number of records

* @param $navUrl: Link page URL

*/

Function getNavHtml($pageNum,$pageSize,$rowCount,$navUrl){

　$pageCount = (int)($rowCount/$pageSize); //Total number of pages

　if ($rowCount % $pageSize >0){

$pageCount++;

　}

　if ($pageNum>$pageCount){

　$pageNum = 1;

　}

　$firstNav = "Home";

　$lastNav = "Last page";

$prevNav="";

$nextNav="";

　if ($pageNum>1){

　$navPageNum = $pageNum-1;

　$prevNav = "Previous page";

　}

　if ($pageNum<$pageCount && $pageCount>1){

　$navPageNum = $pageNum+1;

　$nextNav = "Next page";

　}

　$amongNav="";//Key loop

　for ($i=1;$i<=5;$i++){

　$navPageNum = $pageNum+ $i-3;

　if ($navPageNum>0 && $navPageNum<=$pageCount){

$navCSS = $navPageNum == $pageNum?" class="hover"":"";

　$amongNav.="{$navPageNum} ";

　}

　}

Return $firstNav.$prevNav.$amongNav.$nextNav.$lastNav." ".$pageNum."/".$pageCount." There are [".$rowCount."] pieces of data";

　}

　}