一键清除 Discuz 后台缓存 使用方法：http://undefinedblog.com/2014/02/discuz-disgusts-me/

clear_cache

<?php

require './source/class/class_core.php';
require './source/function/function_misc.php';
require './source/function/function_forum.php';
require './source/function/function_admincp.php';
require './source/function/function_cache.php';


$discuz = C::app();
$discuz->init();

$admincp = new discuz_admincp();
$admincp->core  = & $discuz;
$admincp->init();



$type = explode(',', $_GET['type']);

    //更新数据缓存
    if(in_array(1, $type)) {
        updatecache();
        require_once libfile('function/group');
        $groupindex['randgroupdata'] = $randgroupdata = grouplist('lastupdate', array('ff.membernum', 'ff.icon'), 80);
        $groupindex['topgrouplist'] = $topgrouplist = grouplist('activity', array('f.commoncredits', 'ff.membernum', 'ff.icon'), 10);
        $groupindex['updateline'] = TIMESTAMP;
        $groupdata = C::t('forum_forum')->fetch_group_counter();
        $groupindex['todayposts'] = $groupdata['todayposts'];
        $groupindex['groupnum'] = $groupdata['groupnum'];
        savecache('groupindex', $groupindex);
        C::t('forum_groupfield')->truncate();
        savecache('forum_guide', '');
        if($_G['setting']['grid']['showgrid']) {
            savecache('grids', array());
        }

        echo "数据缓存更新成功<br />";
    }
    //模板缓存
    if(in_array(2, $type)) {
        cleartemplatecache();
        echo "模板缓存更新成功<br />";
    }
    //模块缓存
    if(in_array(3, $type)) {
        include_once libfile('function/block');
        blockclass_cache();

        echo "DIY模块缓存更新成功<br />";
    }

    exit();

?>