PHP+TEXT留言本(四)

时间:2010-01-09 08:30:06   来源:第二电脑网  作者:第二电脑网

  第二电脑网导读: A:visited {text-decoration: none; color:004080} A:active {text-decoration: none} A:hover {text-decoration: underline; color:ff0000} BODY {FONT-SIZE:10pt} TH {FONT-SIZE:10 pt} TD {FONT-SIZE: 10pt} --> </style> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> </head> <?...
  正文:

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

<head>
<title>删除留言</title>
<style>
<!--
A:link {text-decoration: none ; color:0000ff}
A:visited {text-decoration: none; color:004080}
A:active {text-decoration: none}
A:hover {text-decoration: underline; color:ff0000}
BODY {FONT-SIZE:10pt}
TH {FONT-SIZE:10 pt}
TD {FONT-SIZE: 10pt}
-->
</style>

<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</head>
<?

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 check_strlen_long($txt)
{
 
$count=0;
$arrtemp=$txt;
$len=strlen($txt);
$txt=$txt.'            ';
for ($i=0;$i<$len;$i++)
{
 
if (ord($txt[$i])<128)
  { $count=$count+1;}
  if (ord($txt[$i])==10 or ord($txt[$i])==32)
来源:http://www.002pc.com/master/College/Programming/PHP/11694.html

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