搞代码

php中文章标题很多的情况下怎样才能分页显示呢?
下面根据本人的体会把主要代码公开,希望对初学网友有所帮助.
$page_size=10;(每页显示数量)

$sql='select count(*) as rnt from mydbf';
$sql .= ' order by mytime desc ';
$qh=mysql_query($sql);
$data=mysql_fetch_array($qh);
$nr=$data["cnt"];

http://www.gaodaima.com/66468.htmlphp中分页显示文章标题_PHP

$pages=intval($nr/$page_size);
if($nr%$page_size) $pages++;

if(empty($page))
{
$page=1;
$offset=0;
}
else
{
$offset=$page*$page_size-$page_size;
}
?>

<!--
$total = mysql_numrows($qh);
$total=$nr;
echo "<td colspan=3>";
//显示所有文章
if (!isset($page)){
$page = 0;
}
//分页开始
$start= $page*$page_size;
$offset=$start;
$totalpage =ceil($total/$page_size);
$pagestr ='[<font color=green>总数</font>]:'.$total;
$pagestr.= "&nbsp".($page+1).'/'.$totalpage.'页'."&nbsp";

$xjz1= "<a href=$php_self?";
$sql = 'select mytxt,content_id,clicknum,from mydbf ';
$sql .= ' order by ltime desc limit '.$offset.','.$pageno;
$res = mysql_query($ls_sql, $dbh);
$countloop = 0;
while ($row = mysql_fetch_array($res)) {
....
}

$xjz1= "<a href=$php_self?";
$xjz2=substr($xjz1,8);
?>
<table border="0" width="100%" cellpadding="0" cellspacing="0" height="0">
<form action="<?echo $php_self.$xjz2."&page=$page";?>" method="post">
<td width="100%" height="9">
<table border="0" width="100%" cellspacing="0" cellpadding="0">
<tr><td width="72%" align="center" nowrap>&nbsp;<b>分页</b>:<?if($page==1){?>首页
上一页 <?
}
else
{
$p=$page-1;
echo "$xjz1&page=1>首页</a> $xjz1&page=$p>上一页</a>";
}
if($page>=$pages){?> 下一页 尾页 <?
}
else
{
$pp=$page+1;
echo "&nbsp;$xjz1&page=$pp>下一页</a>&nbsp;$xjz1&page=$pages>尾页</a>";
}
?>&nbsp;页次:<b><?echo $page?></b>/<b><?echo $pages?></b>页 <b><?echo $page_size?></b>个/页&nbsp;共<b><?echo $nr?></b>篇文章 转到:

<!--<input type="text" name="page" size="4" class="p1" style="border-style: groove; border-width: 1">
<input type="submit" value="Go" name="B1" class="p1" style="border-style: ridge; border-width: 1">
</td><td>-->

<select name=pagex onChange="JavaScript:location.href=this.options[this.selectedIndex].value">
<?
for ($i=1;$i<=$pages;$i++){
if($i==$page)$selectxjz="selected";
else $selectxjz='';
echo "<option value=/"".$xjz2."&page=".$i."/" ".$selectxjz.">".$i."</option>";
}
?>
</select>&nbsp;页
</td></table></td></form></table>
<?}
?> 

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