<?
//分頁(yè)函數(shù)

function genpage(&$sql,$page_size=2)
{
??????global $prepage,$nextpage,$pages,$sums;??//out param
??????$page = $_GET["page"];
??????$eachpage = $page_size;
??????$pagesql = strstr($sql," from ");
??????$pagesql = "select count(*) as ids ".$pagesql;
??????$result = mysql_query($pagesql) or die(mysql_error());
??????if($rs = mysql_fetch_array($result)) $sums = $rs[0];
??????$pages = ceil(($sums-0.5)/$eachpage)-1;
??????$pages = $pages>=0?$pages:0;
??????$prepage = ($page>0)?$page-1:0;
??????$nextpage = ($page<$pages)?$page+1:$pages;??
??????$startpos = $page*$eachpage;
????$sql .=" limit $startpos,$eachpage ";
}
//顯示分頁(yè)
function showpage()
{
????global $page,$pages,$prepage,$nextpage,$queryString; //param from genpage function
????$shownum =10/2;
????$startpage = ($page>=$shownum)?$page-$shownum:0;
????$endpage = ($page+$shownum<=$pages)?$page+$shownum:$pages;
??
????echo "共".($pages+1)."頁(yè): ";
????if($page>0)echo "<a href=$PHP_SELF?page=0&$queryString>首頁(yè)</a>";
????if($startpage>0)
????????echo " ... <b><a href=$PHP_SELF?page=".($page-$shownum*2)."&$queryString>?</a></b>";
????for($i=$startpage;$i<=$endpage;$i++)
????{
????????if($i==$page)????echo " <b>[".($i+1)."]</b> ";
????????else????????echo " <a href=$PHP_SELF?page=$i&$queryString>".($i+1)."</a> ";
????}
????if($endpage<$pages)
????????echo "<b><a href=$PHP_SELF?page=".($page+$shownum*2)."&$queryString>?</a></b> ... ";
????if($page<$pages)
????????echo "<a href=$PHP_SELF?page=$pages&$queryString>尾頁(yè)</a>";

}
?>

-------------------------------------------
//顯示前
程序代碼 <?php
$db=mysql_connect($servname,$sqlservname,$sqlservpws) or die("數(shù)據(jù)庫(kù)連接失敗");
mysql_select_db($sqlname,$db);
$sql = "select * from news order by yd631_id desc ";
genpage($sql);??//只需要正常代碼加上這一行就ok。
$result =mysql_query($sql);
while($rs =mysql_fetch_array($result))
{
?>


顯示信息
顯示信息
顯示信息

<?php
??}
?>

//循環(huán)

<?php??

showpage(); //顯示頁(yè)
?>
<?php
??mysql_close();
exit;
???>

轉(zhuǎn)載于:https://www.cnblogs.com/ljb0901/archive/2008/05/27/1208711.html

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