php中实现上一篇下一篇
编辑：admin 时间：2010-12-3 9:56:03 来自：北京蓝网网络技术有限公司
<?php
//连接数据库
$conn=mysql_connect('localhost','root');
mysql_select_db('img',$conn);
mysql_query('set names utf8');
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>产品展示</title>
<style>
#main{width:800px; margin: 0 auto; padding:0px; border:dashed 1px #ccc; height:200px;}
#main dt{ width:400px; margin: 0px; padding:5px 0; height:auto; float:left; text-align:center;}
</style>
</head>
<?php
$id=$_GET['id'];
if(isset($_GET['action'])){
$action=$_GET['action'];
$fid=$_GET['fid'];
}
switch ($action){
case "down":
$result=mysql_query("select * from path_img where id > $fid limit 1");
break;
case "up":
$result=mysql_query("select * from path_img where id< $fid order by id desc limit 1");
break;
default:
$result=mysql_query("select * from path_img where id=$id limit 1");
}
if(mysql_num_rows($result)<1){
echo "<script>alert('产品不存在');history.back();</script>";
}
?>
<body>
<div id="main">
<?php
while(!!$row=mysql_fetch_array($result)){
$html['id']=$row['id'];
$html['title']=$row['title'];
$html['path']=$row['path'];
}
?>
<dt><?php echo $html['title']?></dt>
<dt><img src="<?php echo $html['path']?>"></img></dt>
<dt><a href="?fid=<?php echo $html['id']?>&action=up">上一条</a></dt>
<dt><a href="?fid=<?php echo $html['id']?>&action=down">下一条</a></dt>
</div>
</body>
</html>
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