clearbbs.php

php做的一个同学录网站,功能齐全. 后台管理非常方便,有需要的同学可以下载测试.

<?php
include("pwdsuper.php");
include("connect.inc.php");
include("char.inc.php");
if(isset($op)){
      $nowdatetime=strftime('%m/%d/%Y %H:%M:%S %p');
      list($nowdate,$nowtime,$amorpm)=explode(" ",$nowdatetime);
      list($nowm,$nowd,$nowy)=explode("/",$nowdate);
      switch ($radiobutton){
      case "oneyear":
        $nowy=$nowy-1;
          break;
      case "halfyear":
         if ($nowm<=6){ $nowy=$nowy-1; $nowm=6+$nowm;}
         else {$nowm=$nowm-6;}
         if($nowm<10)$nowm="0".$nowm;
          break;
      case "threemonth":
         if ($nowm<=3){ $nowy=$nowy-1; $nowm=9+$nowm;}
         else {$nowm=$nowm-3;}
         if($nowm<10)$nowm="0".$nowm;
          break;
      case "onemonth":
         if ($nowm==1){ $nowy=$nowy-1; $nowm=12;}
         else{ $nowm=$nowm-1;}
         if($nowm<10)$nowm="0".$nowm;
              break;
      default:
          break;
      }
      $radiobuttondate=$nowy."-".$nowm."-".$nowd;
      $radiobuttondate=$radiobuttondate." ".$nowtime." ".$amorpm;
    $query="DELETE FROM guestbook WHERE dateandtime<'".$radiobuttondate."'";
    if(mysql_query($query)){
        $ok="ok";
    header("Location: cleardb.php?userid=$userid&ok=$ok");}
    else{
        echo "<center>".mysql_error()."</center><br>";}
}

?>