<?
if ($Submit)
{
if ($SavePassword=="on")
{setcookie("TxtPassword","$TxtPassword",time()+30*24*3600);}
else
{setcookie("TxtPassword");}
}
?>
<html>
<style type=text/css>
Td {FONT-SIZE: 10pt;}
TEXTAREA
{
FONT-FAMILY: "宋體";
FONT-SIZE: 10pt;
}
</style>
<head>
<meta http-equiv="Content-Language" content="zh-cn">
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>修改留言</title>
<?
require("sys.php");
function readvalue($tags,$tage)
{
global $message,$long,$reply;
$StrStart=strlen(strstr($message,$tags))-strlen($tags);//去除標記後變數所在字串的起始位置.
$StrEnd=strlen(strstr($message,$tage));
$len=$StrStart-$StrEnd;
$StrStart=$long-$StrStart;//起始字元.
$StrString=substr($message,$StrStart,$len);
return $StrString;
}
function save($record)
{
global $TxtContent,$TxtEmail,$TxtHomepage,$TxtEmail,$TxtName,$TxtFrom,$TxtReply,$REMOTE_ADDR,$guestfile;
$content=file($guestfile,"r");
$space = " ";
$time = date(Y年m月d日H小時i分);
$ip=$REMOTE_ADDR;
$TxtReply=StripSlashes($TxtReply);
$TxtContent=StripSlashes($TxtContent);
$TxtContent=htmlspecialchars($TxtContent);
$TxtContent=check_strlen_long($TxtContent);
$TxtContent=nl2br($TxtContent);
$Wcontent = "<tr><td><font color=#AB00E1>留言內容:</font><br><!--content>$TxtContent<!--endcontent> ";
$Wcontent=$Wcontent."<br><font color=#6633FF>留言人大名:</font><!--name>$TxtName<!--endname> ";
if ($TxtEmail !="")
{$Wcontent=$Wcontent."<br><font color=#9900CC>電子信箱</font><a href="mailto:$TxtEmail"><!--email>$TxtEmail<!--endemail></a>"."$space";}
if ($TxtHomepage !="http://")
{$Wcontent=$Wcontent."<font color=#9900CC>首頁:</font>$TxtHompage<a href="$TxtHomepage" target=new><!--homepage>$TxtHomepage<!--endhomepage></a>";}
$Wcontent=$Wcontent."<br><font color=#0000FF>時間:$time 來自:<!--from>$TxtFrom<!--endfrom> ".$ip."</font>";
$Wcontent=ereg_replace(chr(10),"",$Wcontent);
$Wcontent=$Wcontent."<hr size=1></td></tr>";
$TxtReply=ereg_replace(chr(10),"",$TxtReply);
$WContent=$Wcontent.$TxtReply."n";
$count=count($content);
$fp=fopen($guestfile,"w");
for ($i=0;$i<$count;$i++)
{
if ($i==$record-1)
{$content[$i]=$WContent;}
fputs($fp,$content[$i]);
}
fclose($fp);
}
$content=file($guestfile,"r");
$message=$content[$record-1];
$long=strlen($message);
$txtcontent=readvalue('<!--content>','<!--endcontent>');
$txtname=readvalue('<!--name>','<!--endname>');
$txtfrom=readvalue('<!--from>','<!--endfrom>');
$txtemail=readvalue('<!--email>','<!--endemail>');
$txthomepage=readvalue('<!--homepage>','<!--endhomepage>');
$txtcontent=strip_tags($txtcontent);
$tags="<!--reply>";
$txtreply=strstr($message,$tags);
$txtreply=ereg_replace(""",""",$txtreply);
if ($Submit)
{
if ($TxtPassword==$managepwd)
{
if ($TxtName!="" and $TxtContent!="")
{
save($record);
echo "<meta http-equiv=Refresh content="1;url=guest.php">";
exit;
}else {$errorm="留言人姓名和內容必填!!";}
}
else {$errorm="密碼錯誤,只有管理員有權修改!!";}
}
?>
</head>
<body bgcolor="#FFFFFF" background="back.gif">
<? include('head.htm');?>
<div align="center">
<center>
<table border="1" width="68%" height="31" cellspacing="0" cellpadding="7" bordercolor="#E3E3E3">
<form action="edit.php" method=post>
<?
if ($errorm and $Submit)
{
echo"<tr>";
echo"<td height=40 colspan=4>";
echo"<font color=red>出錯了,</font>$errorm";
echo"</td>";
echo"</tr>";
}
?>
<tr>
<td width="18%" height="37" bgcolor="#f0f0f0"><font color="#000000">留言大名</font></td>
<td width="39%" height="37" bgcolor="#FFFFFF">
<input type="text" name="TxtName" size="26" value=<?echo "$txtname"?>>
</td>
<td width="11%" height="37" bgcolor="#f0f0f0"><font color="#000000">來自</font></td>
<td width="32%" height="37" bgcolor="#FFFFFF">
<input type="text" name="TxtFrom" size="20" value=<?echo "$txtfrom"?>>
</td>
</tr>
<tr>
<td width="18%" height="31" bgcolor="#f0f0f0"><font color="#000000">首頁地址</font></td>
<td width="39%" height="31" bgcolor="#FFFFFF">
<input type="text" name="TxtHomepage" size="26" value=<?echo "$txthomepage"?>>
</td>
<td width="11%" height="31" bgcolor="#f0f0f0"><font color="#000000">Email</font></td>
<td width="32%" height="31" bgcolor="#FFFFFF">
<input type="text" name="TxtEmail" size="20" value=<?echo "$txtemail"?>>
</td>
</tr>
<tr bgcolor="#FFFFFF">
<td height="31" colspan="4"><font color="#000000">留言內容</font></td>
</tr>
<tr bgcolor="#f0f0f0">
<td height="105" colspan="4" valign="middle" align="center">
<textarea rows="6" name="TxtContent" cols="50" wrap="VIRTUAL"><? echo "$txtcontent"?>
</textarea>
</td>
</tr>
<tr bgcolor="#FFFFFF">
<td height="40" colspan="4" valign="middle" align="center"> <font color="#000000">修改密碼</font>
<input type="password" name="TxtPassword" size="10" value=<?echo "$TxtPassword"?>>
<font color="#000000">是否儲存密碼</font>
<input type="checkbox" name="SavePassword" value="on" checked>
<input type=hidden name=record value=<? echo "$record"?>>
<input type="submit" value="我要修改了" name="Submit">
</td>
</tr>
<? echo "$txtreply"?>
<input type=hidden name=TxtReply value="<? echo "$txtreply" ?>">
</form>
</table>
</center>
</div>
<?include('bottom.htm');?>
</body>
</html>
----------
該註明的地方我已作了詮釋.php可以嵌入html代碼中,這樣寫起代碼很愜意.
待續...
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