只针对Discuz!X3.4以下的版本前台打开卡慢、后台登陆卡死或504错误的问题。
形成原因：discuz的补丁升级和版本检查验证已经关闭。而x3.4以下仍然在验证和检查导致链接超时，引起后台打不开。解决办法有两个。
解决方法一，升级到x3.4，x3.4版本已经移除了相关代码。
解决方法二，修改代码：
后台修改，文件source/admincp/admincp_main.php，删除以下代码大概37-60
if($_G['uid'] && $_G'member' == 1 && ($_G['setting']['showpatchnotice'] == 1 || !isset($_G'cookie'))) {
$discuz_patch = new discuz_patch();
if($_G['setting']['showpatchnotice'] == 1) {
$notice = $discuz_patch->fetch_patch_notice();
if($notice['data']) {
$shownotice = '<div class="notice"><a href="'.$basescript.'?action=patch" id="notice">'.($notice['fixed'] ? $lang['patch_fix_complete'] : $lang['patch_fix_rigth_now']).'</a></div>';
}
}
if(!isset($_G['cookie']['checkpatch'])) {
$discuz_patch->check_patch();
}}
if($_G['uid'] && $_G'member' == 1 && !$shownotice && $_G'setting') {
$shownotice = '<div class="notice"><a href="'.$basescript.'?action=upgrade" id="notice">'.$lang['upgrade_right_now'].'</a></div>';}
if($_G['uid'] && $_G'member' == 1 && !isset($_G'cookie')) {
$discuz_upgrade = new discuz_upgrade();
if($discuz_upgrade->check_upgrade()) {
if(empty($shownotice)) {
$shownotice = '<div class="notice"><a href="'.$basescript.'?action=upgrade" id="notice">'.$lang['upgrade_right_now'].'</a></div>';
}
}
dsetcookie('checkupgrade', 1, 7200);}
前台修改，打开文件sourcemodulemiscmisc_patch.php 将内容替换。
<?php
/**
- Discuz!2001-2099 Comsenz Inc.
- This is NOT a freeware, use is subject to license terms
* - $Id: misc_patch.php 33690 2013-08-02 09:07:22Z nemohou $
*/
if(!defined('IN_DISCUZ')) {
exit('Access Denied');}
if($_GET['action'] == 'checkpatch') {
header('Content-Type: text/javascript');
exit;
} elseif($_GET['action'] == 'patchnotice') {
include template('common/header_ajax');
include template('common/footer_ajax');
exit;} elseif($_GET['action'] == 'pluginnotice') {
include template('common/header_ajax');
include template('common/footer_ajax');
exit;} elseif($_GET['action'] == 'ipnotice') {
require_once libfile('function/misc');
include template('common/header_ajax');
if($_G['cookie']['lip'] && $_G['cookie']['lip'] != ',' && $_G['uid'] && $_G['setting']['disableipnotice'] != 1) {
$status = C::t('common_member_status')->fetch($_G['uid']);
$lip = explode(',', $_G['cookie']['lip']);
$lastipConvert = convertip($lip[0]);
$lastipDate = dgmdate($lip[1]);
$nowipConvert = convertip($status['lastip']);
$lastipConvert = process_ipnotice($lastipConvert);
$nowipConvert = process_ipnotice($nowipConvert);
if($lastipConvert != $nowipConvert && stripos($lastipConvert, $nowipConvert) == false && stripos($nowipConvert, $lastipConvert) == false) {
$lang = lang('forum/misc');
include template('common/ipnotice');
}
}
include template('common/footer_ajax');
exit;}
?>
修改方法就这些，大家可以测试一下。
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