PHP＋TEXT留言本(五)

2008-01-02

现在我们来讲一下reply.php的代码:
---------------------------------
//reply.php

function encode ($txt)
{
$txt=strip_tags($txt);
$txt=htmlspecialchars($txt);
$message=StripSlashes($txt);
return $message;
}

$content=file("guest.txt");
$disptext=$content[$record-1];

if ($job=="addreply" and $replyname!="" and $replycontent!="")
{
$content=file("guest.txt");
$count=count($content);
$time = date(Y年m月d日H小时i分);
$ip=$REMOTE_ADDR;
$replycontent=StripSlashes($replycontent);
$replyname=encode($replyname);
$replycontent=htmlspecialchars($replycontent);
$replycontent=check_strlen_long($replycontent);
$replycontent=nl2br($replycontent);
$replycontent=ereg_replace(chr(10)，""，$replycontent);
$content[$record-1]=substr($content[$record-1]，0，strlen($content[$i])-1); $content[$record-1]=$content[$record-1]."<!--reply><tr><td colspan=4><ul><font color=#AB00E1>回复内容:</font><br>".$replycontent."<br>回复人大名:".$replyname."<br><font color=#CC33FF>时间:$time 来自:$ip</font></ul><hr size=1 color=blue></td></tr>n";
$fp=fopen("guest.txt"，"w");
for ($i=0;$i<$count;$i++)
{
fputs($fp，$content[$i]，strlen($content[$i]));
}
echo "<meta http-equiv=Refresh content=1;url=guest.php>";
exit;

}
?>
<title>zihanonline</title>
<style>

</style>
<body bgcolor="#FFFFFF" background="back.gif">
<div align=center >
<? include(‘head.htm‘);?>
<table border= 1 width= 65% height= 169 cellpadding="8" cellspacing="0" bordercolor="#E3E3E3" >
    <form method= POST action=reply.php >
      <?
      if ($Submit)
       {
        if ($replyname=="" or $replycontent=="")
        {
      echo"<tr align=left valign=middle bgcolor=#F0F0F0> ";
      echo"<td width= 100% height= 31 > ";
      echo "<font color=red>出错了</font>回复人姓名和回复内容必填!";
      echo"</td>";
      echo"</tr>";
       }
       }
      ?>
      <? echo $disptext ?>
      <tr align="left" valign="middle" bgcolor="#F0F0F0">
        <td width= 100% height= 31 bgcolor="#FFFFFF" > 回复大名
          <input type= text name= replyname size= 20 >
        </td>
      </tr>
      <tr valign="middle">
        <td width= 100% height= 26 align= left bgcolor="#f0f0f0" >
          <p>回复内容</p>
          </td>
      </tr>
      <tr align="center">
        <td width= 100% height= 52 valign= top bgcolor="#FFFFFF" >
          <textarea rows= 6 name= replycontent cols= 46 wrap="VIRTUAL" ></textarea>
        </td>
      </tr>
      <tr valign="middle" align="center" bgcolor="#F0F0F0">
        <td width= 100% height= 14 bgcolor="#f0f0f0" >
          <input type=hidden name=job value=addreply>
          <input type=hidden name=record value=<? echo $record ?>>
          <input type= submit value= 提交 name=Submit >
             
          <input type=reset value= 重写 name= B2 >
        </td>
      </tr>
    </form>
    </table>
    <?include(‘bottom.htm‘);?>
</div>
</body>
</html>
------------------

到此为止，php的代码我们已经写完，剩下的是您要作一个留言本的本头和底部您可以设计任何的样式.不过记得在本头上面要有至少3个连接:查看返回主页发邮件.这样您的留言本系统才算完整.不过由于这是一文本的留言本，所以您不用担心数据库的问题，您只要再写一个guest.txt的文件就完整了.虽然这个留言本没有mysql等等，可是功能仍然不错.而且是完全属于您自己的留言本.好了，下一节我们将为您讲述guest.txt的建立和上传留言本的几个重要步骤.
未完待续...

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