特点：
支持oicq头像，自动分页，显示留言人ip，email合法性验证，方便安全的留言管理，
没有复杂函数，初学者也很容易看懂。
程序示例：http://medguider.51.net/notebook/
完整程序下载（包括图片）http://medguider.51.net/download/notebook.zip
程序清单：
config.php 配置文件 mysql.txt 数据库文件 index.php 显示留言主程序 addnote.php 添加留言 delnote.php 删除留言
mysql.txt
create table notebook (name char(6),email varchar(35),time char(30),face char(2),ip varchar(16),title varchar(255),nnote text);
//留言簿 name 姓名 email time 时间 face 头像 ip title 标题 nnote 内容
config.php
<?php
//这里改为自己的数据库用户名与密码
$db = mysql_connect("localhost", "root");
mysql_select_db("test",$db);
//这里改为自己的管理用户名和密码
$username="demo";
$password="demo";
?>
index.php
<HTML>
<HEAD>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<TITLE>留言簿</TITLE>
<style type="text/css">
<!--
.blue9 { font-size: 9pt; color: #0099FF; text-decoration: none}
.black9 { font-size: 9pt; text-decoration: none}
.purple10 { font-size: 10pt; color: #9900FF; text-decoration: none}
.white12 { font-size: 12pt; color: #FFFFFF; text-decoration: none}
a:visited { color: #FFFFFF}
a:link { color: #FFFFFF}
-->
</style>
</HEAD>
<BODY BGCOLOR="#FFFFFF">
<?php
include ("config.php");
$result = mysql_query("SELECT * FROM notebook ",$db);
$row=mysql_num_rows($result);//查看查询结果有多少行
$max=$row; //帖子总数
//设每页显示10篇，可自行设定，$p总页数，$page第几页，$low 从第几行开始读，$x 读取几行
if (!$page){ $page=1;}//$page默认值为1
$p=ceil($max/10);//页数为$max/10的最大整数
$low=10*($page-1);
if($page==$p&&($max)<>0){$x=($max);} else {$x=10;}//如果是最后一页，且不是10的整倍数,读取$max除以10的余数，否则取10
if($max==0){$x=0;}//如果没有帖子，$x取0
$result = mysql_query("select * from notebook ORDER BY time DESC limit $low,$x",$db);//按照帖子的时间降序查询
?>
<table width="98%" border="0" cellspacing="0" cellpadding="0" height="61">
<tr>
<td height="62" width="34%"><a href="http://www.medguider.com"><img src="image/logo.gif" width="243" height="60" alt="医学导航网" border="0"></a></td>
<td height="62" width="66%">
<div align="center"><img src="image/note.gif" width="410" height="60"><img src="image/y1.gif" width="60" height="60"></div>
</td>
</tr>
</table>
<table width="95%" border="1" cellspacing="0" cellpadding="0" height="253" bordercolordark="#FFFFFF" bordercolorlight="#003399" align="center">
<tr>
<td height="250">
<div align="center"></div>
<table width="95%" border="0" cellspacing="0" cellpadding="0" height="32" bgcolor="#3366FF">
<tr>
<td width="26%" class="white12" height="23"><a href="../index.php" class="white12">首页</a>
> 留言簿</td>
<td width="48%" class="white12" height="23">
<?php
echo "帖子总数: ",$max," 第";
for ($n=1;$n<=$p;$n ){
echo "<a href=index.php?page=$n>$n</a> ";
}
echo "页";
?>
</td>
<td width="15%" height="23"><a href="addnote.php"><img src="image/newthread.gif" width="91" height="21" border="0"></a></td>
<td width="11%" height="23"><a href="delnote.php"><span class="white12">留言管理</span></a></td>
</tr>
</table>
<?php
for ($i=0;$i<=($x-1);$i ) {
$name=mysql_result($result,$i,'name');
$email=mysql_result($result,$i,'email');
$face=mysql_result($result,$i,'face');
$face='image/face/icon'.$face; //用户头像
$time=mysql_result($result,$i,'time');
$ip=mysql_result($result,$i,'ip');
$title=mysql_result($result,$i,'title');
$nnote=mysql_result($result,$i,'nnote');
echo "<table width='100%' border='0' cellspacing='0' cellpadding='0' height=107' bordercolor='#FFFFFF'> <tr bgcolor='#eeeeee'>";
echo "<td width='10%' height='33' bgcolor='#eeeeee' class='blue9'> <img src='$face.gif' width='32' height='32'></td>";
echo "<td width='16%' height='33' bgcolor='#eeeeee' class='blue9'>留言人：$name</td>";
echo "<td width='41%' height='33' bgcolor='#eeeeee' class='blue9'>发表于:$time</td>";
echo "<td width='12%' height='33' bgcolor='#eeeeee' class='blue9'><a href='mailto:$email'><img src='image/email.gif' width='16' height='16' border=0></a></td>";
echo "<td width='21%' height='33' class='blue9'><img src='image/ip.gif' width='13' height='15'> $ip</td> </tr> <tr>";
echo "<td colspan='5' class='purple10' height='33'>标题：$title</td> </tr>";
echo "<tr bgcolor='#ffffff'><td colspan='5' class='black9' height='37'>留言内容:$nnote</td></tr></table>";
}
mysql_close($db);
?>
</td>
</tr>
</table>
</BODY>
</HTML>