php封裝較好的數字分頁方法類
/**
* 擷取頁碼導航HTML
* @param $pageNum:當前頁碼
* @param $pageSize:每頁數量
* @param $rowCount:記錄總數
* @param $navUrl:連結頁面URL
*/
function getNavHtml($pageNum,$pageSize,$rowCount,$navUrl){
$pageCount = (int)($rowCount/$pageSize); //總頁數
if ($rowCount % $pageSize >0){
$pageCount++;
}
if ($pageNum>$pageCount){
$pageNum = 1;
}
$firstNav = "首頁 ";
$lastNav = "尾頁 ";
$prevNav="";
$nextNav="";
if ($pageNum>1){
$navPageNum = $pageNum-1;
$prevNav = "上一頁 ";
}
if ($pageNum<$pageCount && $pageCount>1){
$navPageNum = $pageNum+1;
$nextNav = "下一頁 ";
}
$amongNav="";//關鍵迴圈
for ($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."/".$pageCount." 共有[".$rowCount."]條資料";
}
}
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