需要一个 text.txt 文本文件 ，对内容字符作了一定的处理。
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</head>
<body bgcolor="#FF9966">
<p align="center"><font color="#FF0000" size="6" face="隶书">我的留言板</font><p align="center">【<a href="#ly">我要留言</a>
| <a href="../index.php">返回首页</a>】<hr>
<p>
<?php
if($nam&$content)
{
$fp=fopen("text.txt","a+");
rewind($fp);
$content=htmlspecialchars($content);
$content=ereg_replace(" "," ","$content");
$t=date("Y-m-d-G:i:s");
$liuy="<center><b>$biaoti</b></center>
【".$nam."】  于 ".$t." 留言 E-mail:<a href=mailto:$address>$address</a><br><br>$content<br><hr><br>";
fwrite($fp,$liuy);
fclose($fp);
}
?>
<table border="0" width="100%">
<tr>
<td width="15%"> </td>
<td width="85%">
<?php
$fp=fopen("text.txt","r");
$message=fread($fp,filesize("text.txt"));
fclose($fp);
$message=nl2br($message);
echo "<font size='2'>".$message."</font>";
?> </td>
</tr>
</table>
<p> </p>
<div align=center>
<form method="POST" action="liuyan.php" name="form1">
<p align="center"><a name="ly"></a>【我要留言 | <a href="../index.php">返回首页</a>】</p>
<table border="0" width="100%">
<tr>
<td width="30%" align="right">标题：</td>
<td width="70%"><input type="text" name="biaoti" size="50"></td>
</tr>
<tr>
<td width="30%" align="right">尊姓大名：</td>
<td width="70%"><input type="text" name="nam" size="20"></td>
</tr>
<tr>
<td width="30%" align="right">E-mail:</td>
<td width="70%"><input type="text" name="address" size="20"></td>
</tr>
<tr>
<td width="30%" align="right">留言：</td>
<td width="70%"><textarea rows="7" name="content" cols="52"></textarea></td>
</tr>
<tr>
<td width="30%" align="right"> </td>
<td width="70%">
<input type="submit" value="提交" name="B1"
onclick="if(0) {alert('请输入大名和留言！');return false}">
<input type="reset" value="全部重写" name="B2"></td>
</tr>
</table>
</form>
</div>
</body>
</html>
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