php下封装较好的数字分页方法

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<div class="codetitle"><a style="CURSOR: pointer" data="45301" class="copybut" id="copybut45301" onclick="doCopy('code45301')"> 代码如下:

<div class="codebody" id="code45301">@H_4042@/** @H404_2@ 获取页码导航HTML @H_404_2@ @param $pageNum:当前页码 @H_404_2@ @param $pageSize:每页数量 @H_404_2@ @param $rowCount:记录总数 @H_404_2@ @param $navUrl:链接页面URL @H_404_2@/ @H_4042@function getNavHtml($pageNum,$pageSize,$rowCount,$navUrl){ @H4042@$pageCount = (int)($rowCount/$pageSize); //总页数 @H4042@if ($rowCount % $pageSize >0){ @H4042@$pageCount++; @H4042@} @H4042@if ($pageNum>$pageCount){ @H4042@$pageNum = 1; @H4042@} @H4042@$firstNav = "<a href=\"{$navUrl}page=1\">首页 ";
$lastNav = "<a href=\"{$navUrl}page={$pageCount}\">尾页 "; @H
4042@$prevNav=""; @H4042@$nextNav=""; @H4042@if ($pageNum>1){ @H4042@$navPageNum = $pageNum-1; @H4042@$prevNav = "<a href=\"{$navUrl}page={$navPageNum}\">上一页 ";
}
if ($pageNum<$pageCount && $pageCount>1){
$navPageNum = $pageNum+1;
$nextNav = "<a href=\"{$navUrl}page={$navPageNum}\">下一页 "; @H
4042@} @H4042@$amongNav=""; //关键循环 for ($i=1;$i<=5;$i++){ @H4042@$navPageNum = $pageNum+ $i-3; @H4042@if ($navPageNum>0 && $navPageNum<=$pageCount){ @H4042@$navCss = $navPageNum == $pageNum?" class=\"hover\"":""; @H4042@$amongNav.="<a href=\"{$navUrl}page={$navPageNum}\" $navCss>{$navPageNum} "; @H4042@} @H4042@} @H4042@return $firstNav.$prevNav.$amongNav.$nextNav.$lastNav." ".$pageNum."/".$pageCount." 共有[".$rowCount."]条数据"; @H4042@} @H4042@} @H404_2@

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