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PHP＋TEXT留言本(四)

2009-08-01/08:14

软件频道

编程学院

PHP

实例源码

正文

这一节我们将dele.php和sys.php放上来.
---------
//dele.php<html>

require("sys.php");
if ($Submit)
{

if ($password<>$managepwd)
{$errorm="<font color=red>密码错误</font>.无权操作..";}

else
{
$content=file($guestfile);
$message=$content[$record-1];
$count=count($content);
if ($dele=="delreply")
     {
     $replylen=strlen(strstr($message,"<!--reply>"));
     $long=strlen($message);
     $len=$long-$replylen;
     $message=substr($message,0,$len);
     }
     else
     {$message="";}
//writefile
$fp=fopen($guestfile,"w");
for ($i=0;$i<$count;$i++)
{
if ($i==($record-1)){$content[$i]=$message;}
fputs($fp,$content[$i],strlen($content[$i]));
}//end for
fclose($fp);
echo "<meta http-equiv=Refresh content="1;url=guest.php">";
exit;
}
}// end ifSubmit
$content=file($guestfile);
$message=$content[$record-1];
$found=ereg("<!--reply>",$message);
?>
<body bgcolor="#FFFFFF" background="back.gif">
<? include("head.htm"); ?>
<table width="68%" border="1" cellpadding="5" align="center" cellspacing="0" bordercolor="#F2F2F2">
<form action=dele.php method=post>
<?
if ($errorm)
{
echo "<tr>";
echo "<td height=27>$errorm</td>";
echo "</tr>";
}
?>
<? echo $message ?>
    <tr align="center">
      <td height="37" bgcolor="#f0f0f0">
        <?
     if ($found)
     {
     echo "<input type=radio name=dele value=delall>";
     echo "全部删除 ";
     echo "<input type=radio name=dele value=delreply checked>";
     echo "仅删除回复";
     }
     ?>
        <font color="#000000">管理密码</font>
        <input type="password" name="password" size="10">
      <input type=hidden name=record value=<? echo "$record";?>>
        <input type="submit" name="Submit" value="我要删除了">
      </td>
</tr>
</form>
</table>
<? include("bottom.htm"); ?>
</body>
</html>

------
//sys.php
<title>zihanonline</title><?

$managepwd='zihanonline';
$guestfile="guest.txt";

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

function ubb($txt)
{

}
?>
<body bgcolor="#FFFFFF" background="back.gif">
----------
注意sys.php中的" $managepwd='zihanonline' "一栏中等号后的是留言本的管理密码号,此时是默认的zihanonline.您可以修改为自己的号码.
未完待续...

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