简单的PHP+Mysql查询上一篇和下一篇文章实例,并输出上一篇和下一篇文章的标题和链接,适合新手学习

获取当前浏览文章id:

$id = isset($_GET['id']) > 0 ? intval($_GET['id']) : "";

下一篇文章:

$query = mysql_query("SELECT id,title FROM article WHERE id>'$id' ORDER BY id ASC LIMIT 1"); 
$next = mysql_fetch_array($query);

上一篇文章:

$query = mysql_query("SELECT id,title FROM article WHERE id <'$id' ORDER BY id DESC LIMIT 1"); 
$prev = mysql_fetch_array($query);

输出:

<div class="page_nav clearfix"> 
    <div title="下一篇" class="next_page"> 
        <a rel="nofollow" href="?id=<?php echo $next['id']; ?>"><?php echo $next['title']; ?></a>         
    </div> 
    <div title="上一篇" class="pre_page"> 
        <a rel="nofollow" href="?id=<?php echo $prev['id']; ?>"><?php echo $prev['title']; ?></a>  
    </div> 
</div>

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