你需要修改attachment.php文件 在根目录下 在$attachexists = $ispaid = FALSE;下面添加 if (!empty($checktwo)) { 在最末尾的?>前添加 } else { echo "<script>alert(‘写上你要提示的内容’)</script>"; echo "<META HTTP-EQUIV="Refresh" CONTENT="0;URL=$PHP_SELF?checktwo=1&aid=$aid">"; } 我在本机架设Discuz! 5.0.1调试通过了 完整代码如下： <?php /* [Discuz!] (C)2001-2006 Comsenz Inc. This is NOT a freeware, use is subject to license terms $RCSfile: attachment.php,v $ $Revision: 1.13 $ $Date: 2006/08/11 06:51:07 $ */ require_once ‘./include/common.inc.php’; $discuz_action = 14; if($attachrefcheck && $_SERVER[’HTTP_REFERER’] && preg_replace("/https?://([^/]+).*/i", "\1", $_SERVER[’HTTP_REFERER’]) != $_SERVER[’HTTP_HOST’]) { //header("Location: {$boardurl}images/common/invalidreferer.gif"); showmessage(‘attachment_referer_invalid’, NULL, ‘HALTED’); } /* $query = $db->query("SELECT a.*, t.fid, p.authorid FROM {$tablepre}attachments a, {$tablepre}threads t, {$tablepre}posts p WHERE a.aid=’$aid’ AND t.tid=a.tid AND p.pid=a.pid AND t.displayorder>=’0′ AND p.invisible=’0’"); $attach = $db->fetch_array($query); */ periodscheck(‘attachbanperiods’); $attachexists = $ispaid = FALSE; if (!empty($checktwo)) { if(!empty($aid)) { $query = $db->query("SELECT * FROM {$tablepre}attachments WHERE aid=’$aid’"); if($attach = $db->fetch_array($query)) { $query = $db->query("SELECT tid, fid, price, special FROM {$tablepre}threads WHERE tid=’$attach[tid]’ AND displayorder>=’0’"); $thread = $db->fetch_array($query); if($thread[’fid’]) { $query = $db->query("SELECT authorid FROM {$tablepre}posts WHERE pid=’$attach[pid]’ AND invisible=’0’"); if($db->num_rows($query)) { $attach[’authorid’] = $db->result($query, 0); $attachexists = TRUE; } } } } if($allowgetattach && ($attach[’readperm’] && $attach[’readperm’] > $readaccess) && $adminid <= 0 && !($discuz_uid && $discuz_uid == $attach[’authorid’])) { showmessage(‘attachment_forum_nopermission’, NULL, ‘NOPERM’); } if(!$thread[’special’] && $thread[’price’] > 0 && (!$discuz_uid || ($discuz_uid && $discuz_uid != $attach[’authorid’] && $adminid <=0))) { $query = $db->query("SELECT uid FROM {$tablepre}paymentlog WHERE uid=’$discuz_uid’ AND tid=’$attach[tid]’"); if($db->result($query, 0)) { $ispaid = TRUE; } else { showmessage(‘attachment_payto’, ‘viewthread.php?tid=’.$attach[’tid’]); } } $filename = $attachdir.’/’.$attach[’attachment’]; if(is_readable($filename) && $attachexists) { $query = $db->query("SELECT f.viewperm, f.getattachperm, f.getattachcredits, a.allowgetattach FROM {$tablepre}forumfields f LEFT JOIN {$tablepre}access a ON a.uid=’$discuz_uid’ AND a.fid=f.fid WHERE f.fid=’$thread[fid]’"); $forum = $db->fetch_array($query); if(!$ispaid) { if(!$forum[’allowgetattach’]) { if(!$forum[’getattachperm’] && !$allowgetattach) { showmessage(‘group_nopermission’, NULL, ‘NOPERM’); } elseif(($forum[’getattachperm’] && !forumperm($forum[’getattachperm’])) || ($forum[’viewperm’] && !forumperm($forum[’viewperm’]))) { showmessage(‘attachment_forum_nopermission’, NULL, ‘NOPERM’); } } } if(!($isimage = preg_match("/^image/.+/", $attach[’filetype’]))) { checklowerlimit($creditspolicy[’getattach’], -1); } if(empty($noupdate)) { if($delayviewcount == 2 || $delayviewcount == 3) { $logfile = ‘./forumdata/cache/cache_attachviews.log’; if(substr($timestamp, -1) == ‘0’) { require_once DISCUZ_ROOT.’./include/misc.func.php’; updateviews(‘attachments’, ‘aid’, ‘downloads’, $logfile); } if(@$fp = fopen(DISCUZ_ROOT.$logfile, ‘a’)) { fwrite($fp, "$aidn"); fclose($fp); } elseif($adminid == 1) { showmessage(‘view_log_invalid’); } } else { $db->query("UPDATE {$tablepre}attachments SET downloads=downloads+’1′ WHERE aid=’$aid’", ‘UNBUFFERED’); } } if(!$isimage) { $forum[’getattachcredits’] = $forum[’getattachcredits’] ? unserialize($forum[’getattachcredits’]) : array(); $getattachcredits = $forum[’getattachcredits’] ? $forum[’getattachcredits’] : $creditspolicy[’getattach’]; updatecredits($discuz_uid, $getattachcredits, -1); } $filesize = filesize($filename); ob_end_clean(); header(‘Cache-control: max-age=31536000’); header(‘Expires: ‘.gmdate(‘D, d M Y H:i:s’, $timestamp + 31536000).’ GMT’); header(‘Content-Encoding: none’); $attach[’filename’] = (strtolower($charset) == ‘utf-8’ && strexists($_SERVER[’HTTP_USER_AGENT’], ‘MSIE’)) ? urlencode($attach[’filename’]) : $attach[’filename’]; if($isimage && !empty($noupdate)) { header(‘Content-Disposition: inline; filename=’.$attach[’filename’]); } else { header(‘Content-Disposition: attachment; filename=’.$attach[’filename’]); } header(‘Content-Type: ‘.$attach[’filetype’]); @$fp = fopen($filename, ‘rb’); @flock($fp, 2); $attachment = @fread($fp, $filesize); @fclose($fp); echo $attachment; } else { showmessage(‘attachment_nonexistence’); } } else { echo "<script>alert(‘$PHP_SELF’)</script>"; echo "<META HTTP-EQUIV="Refresh" CONTENT="0;URL=$PHP_SELF?checktwo=1&aid=$aid">"; } ?> 把你的脸迎向阳光，那就不会有阴影
Discuz! 5.0.0论坛程序中加入一段js代码，让会员点击下载附件前
