n $r;
}

// 版块版主权限判断: allowtop, allowmove, allowupdate, allowdelete, allowbanuser, allowviewip, allowdeleteuser
function forum_access_mod($fid, $gid, $access)
{
    global $grouplist, $forumlist, $uid;
    
    // 结果缓存，加速判断！
    static $result = array();
    $k = $fid . '-' . $gid . '-' . $access;
    if (isset($result[$k])) return $result[$k];

    if (1 == $gid || 2 == $gid) return TRUE; // 管理员有所有权限
    if (3 == $gid || 4 == $gid) {
        $group = $grouplist[$gid];
        $forum = $forumlist[$fid];
        $r = !empty($group[$access]) && in_string($uid, $forum['moduids']);
    } else {
        $r = FALSE;
    }
    $result[$k] = $r;
    
    return $r;
}

function forum_is_mod($fid, $gid, $uid)
{
    global $grouplist, $forumlist;
    

    if (1 == $gid || 2 == $gid) return TRUE; // 管理员有所有权限
    if (3 == $gid || 4 == $gid) {
        if (0 == $fid) return TRUE; // 此处不严谨！
        $group = $grouplist[$gid];
        $forum = $forumlist[$fid];
        return in_string($uid, $forum['moduids']);
    }
    
    return FALSE;
}

// ------------> 其他方法

function forum_access_format(&$access)
{
    
    if (empty($access)) return;
    
}

function forum_access_count($cond = array())
{
    
    $n = db_count('forum_access', $cond);
    
    return $n;
}




?>  !empty($attach) and attach_big_insert($attach);

    

    $attachlist = $imagelist = $filelist = '';
    $images = 0;
    $files = 0;
    // 处理不在 message 中的图片，删除掉没有插入的附件
    if ($message) {
        // 只有评论会传pid
        list($attachlist, $imagelist, $filelist) = $pid ? well_attach_find_by_pid($pid) : well_attach_find_by_tid($tid);

        

        if (!empty($imagelist)) {
            $aids = array();
            foreach ($imagelist as $key => $attach) {

                $image_url = $conf['upload_url'] . 'website_attach/' . $attach['filename'];

                

                if (FALSE === strpos($message, $image_url)) {

                    unset($attachlist[$attach['aid']], $imagelist[$attach['aid']]);

                    $aids[] = $attach['aid'];

                    $path = $conf['upload_path'] . 'website_attach/' . $attach['filename'];
                    is_file($path) and unlink($path);

                    

                    // 删除云储存文件
                }

                
            }

            !empty($aids) and well_attach__delete($aids);

            
        }

        $images = count($imagelist);
        $files = count($filelist);

        
    }

    

    $return += array('tid' => $tid, 'pid' => $pid, 'icon' => $icon, 'message' => $message, 'images' => $images, 'files' => $files);

    

    return $return;
}

// 关联内容中的文件，逐渐放弃使用该函数，使用 well_attach_assoc_handle()
function well_attach_assoc_file($arr = array())
{
    global $conf, $time;

    

    $uid = array_value($arr, 'uid', 0);
    $tid = array_value($arr, 'tid', 0);
    $post_create = array_value($arr, 'post_create', 0); // 创建回复
    $pid = array_value($arr, 'pid', 0);
    $images = array_value($arr, 'images', 0);
    $files = array_value($arr, 'files', 0);
    $message = array_value($arr, 'message');

    if (!$tid && !$pid) return $message;

    

    $attach_dir_save_rule = array_value($conf, 'attach_dir_save_rule', 'Ym');
    $day = date($attach_dir_save_rule, $time);
    $path = $conf['upload_path'] . 'website_attach/' . $day;
    $url = $conf['upload_url'] . 'website_attach/' . $day;
    is_dir($path) || mkdir($path, 0777, TRUE);

    if (!empty($arr['sess_tmp_files'])) {

        $message = urldecode($message);
        preg_match_all('#<img[^>]+src="(.*?)"#i', $message, $match);

        $localurlarr = array(
            'http://' . $_SERVER['SERVER_NAME'] . '/',
            'https://' . $_SERVER['SERVER_NAME'] . '/',
        );

        // 跳过云储存
        $conf['cloud_url'] and $localurlarr[] = $conf['cloud_url'];

        

        /*$match[1]
            Array
            (
                [0] => https://nimg.ws.126.net/?url=http://dingyue.ws.126.net/2021/1109/d3321a58j00r29xq20013c000hk00h4g.jpg&thumbnail=650x2147483647&quality=80&type=jpg
                [1] => https://nimg.ws.126.net/?url=http://dingyue.ws.126.net/2021/1109/e4974b87j00r29xq30013c000fi00i3g.jpg&thumbnail=650x2147483647&quality=80&type=jpg
                [2] => upload/tmp/1_KAUXKFMJHFTUMNS.jpg
                [3] => https://nimg.ws.126.net/?url=http://dingyue.ws.126.net/2021/1109/5a7be552j00r29xq3001qc000hs00hvg.jpg&thumbnail=650x2147483647&quality=80&type=jpg
            )*/
        $upload_arr = array();
        $http_arr = array();
        if (!empty($match[1])) {
            foreach ($match[1] as $_url) {

                foreach ($localurlarr as $localurl) {
                    if ($localurl == substr($_url, 0, strlen($localurl))) continue 2;
                }

                if (substr($_url, 0, 7) == 'http://' || substr($_url, 0, 8) == 'https://') {
                    $http_arr[] = $_url;
                } elseif (substr($_url, 0, 11) == 'upload/tmp/' || substr($_url, 0, 12) == '/upload/tmp/' || substr($_url, 0, 14) == '../upload/tmp/') {
                    $upload_arr[] = $_url;
                }
            }
        }

        

        $attach = array();
        foreach ($arr['sess_tmp_files'] as $file) {

            // 过滤非内容图，不包括附件
            if (!in_array($file['url'], $upload_arr) && 0 != $file['isimage']) {
                unlink($file['path']);
                continue;
            }

            

            // 后台提交的内容需要替换掉../
            $file['url'] = $file['backstage'] ? str_replace('../upload/', 'upload/', $file['url']) : str_replace('/upload/', 'upload/', $file['url']);

            

            // 内容附件 将文件移动到 upload/website_attach 目录
            $filename = file_name($file['url']);

            

            // 绝对路径
            $destfile = $path . '/' . $filename;
            // 相对路径
            $desturl = $url . '/' . $filename;
            // 复制
            xn_copy($file['path'], $destfile) || xn_log("xn_copy($file[path]), $destfile) failed, tid:$tid, pid:$pid", 'php_error');

            

            if (is_file($destfile) && filesize($destfile) == filesize($file['path'])) unlink($file['path']);

            // 按照$destfile文件路径，上传至云储存或图床，返回数据.附件分离，最优方案是redis队列，单独写上传云储存php文件，nohup后台运行，将队列数据上传云储存，然后根据aid更新附件表attach_on、image_url自动，根据tid更新主题表attach_on。关联附件上传云储存，有可能导致超时。

            

            $attacharr = array(
                /*'tid' => $tid,
                'pid' => $pid,*/
                'uid' => $uid,
                'filesize' => $file['filesize'],
                'width' => $file['width'],
                'height' => $file['height'],
                'filename' => $day . '/' . $filename,
                'orgfilename' => $file['orgfilename'],
                //'image_url' => '', // 图床文件完整网址
                'filetype' => $file['filetype'],
                'create_date' => $time,
                'isimage' => $file['isimage']
            );

            $tid and $attacharr += $pid ? array('pid' => $pid) : array('tid' => $tid);

            

            $attach[] = $attacharr;

            // 关联内容再入库
            //$aid = well_attach_create($attach);

            $file['backstage'] and $message = str_replace('../upload/', 'upload/', $message);
            $message = str_replace($file['url'], $desturl, $message);

            
        }

        !empty($attach) and attach_big_insert($attach);

        

        // 清空 session
        $_SESSION['tmp_website_files'] = array();
    }

    

    // 更新附件数
    $update = array();
    $_images = 0;
    $_files = 0;
    // 处理不在 message 中的图片，删除掉没有插入的图片附件
    if ($message) {

        // 只有评论会传pid
        list($attachlist, $imagelist, $filelist) = $pid ? well_attach_find_by_pid($pid) : well_attach_find_by_tid($tid);

        

        if (!empty($imagelist)) {
            $aids = array();
            foreach ($imagelist as $key => $attach) {

                $url = $conf['upload_url'] . 'website_attach/' . $attach['filename'];

                

                if (FALSE === strpos($message, $url)) {
                    unset($attachlist[$attach['aid']], $imagelist[$attach['aid']]);

                    $aids[] = $attach['aid'];

                    $path = $conf['upload_path'] . 'website_attach/' . $attach['filename'];
                    is_file($path) and unlink($path);

                    

                    // 删除云储存文件
                }

                
            }

            !empty($aids) and well_attach__delete($aids);

            
        }

        $_images = count($imagelist);
        $images != $_images and $update['images'] = $_images;

        $_files = count($filelist);
        $files != $_files and $update['files'] = $_files;

        
    }

    

    if (empty($update)) return $pid ? array($message, $_images, $_files) : $message;

    if ($pid) {
        if ($post_create) {
            $update['message'] = $message;
            comment__update($pid, $update);
        } else {
            // 编辑回复返回的数据
            return array($message, $_images, $_files);
        }
    } else {
        well_thread_update($tid, $update);
    }

    

    return $message;
}

// thumbnail:主题主图 post:内容图片或附件
function well_attach_assoc_type($type)
{
    
    switch ($type) {
        case 'thumbnail':
            $k = 'tmp_thumbnail';
            break;
        case 'post':
            $k = 'tmp_website_files';
            break;
        
        default:
            return NULL;
            break;
    }
    $sess_tmp_files = _SESSION($k);
    // 如果session中没有，从数据库中获取储存的session
    //if (empty($sess_tmp_files) && preg_match('#' . $k . '\|(a\:1\:\{.*\})#', _SESSION('data'), $matches)) $sess_tmp_files = unserialize(str_replace(array('+', '='), array('_', '.'), $matches['1']));
    
    return $sess_tmp_files;
}

// Create thumbnail
function well_attach_create_thumbnail($arr)
{
    global $conf, $time, $forumlist, $config;

    $uid = array_value($arr, 'uid', 0);
    $tid = array_value($arr, 'tid', 0);
    $fid = array_value($arr, 'fid', 0);
    $forum = array_value($forumlist, $fid);

    $picture = $config['picture_size'];
    $picture = isset($forum['thumbnail']) ? $forum['thumbnail'] : $picture['picture_size'];
    $pic_width = $picture['width'];
    $pic_height = $picture['height'];

    $attachlist = well_attach_assoc_type('post');
    if (empty($attachlist)) return;

    $attach_dir_save_rule = array_value($conf, 'attach_dir_save_rule', 'Ym');

    $day = date($attach_dir_save_rule, $time);
    $path = $conf['upload_path'] . 'thumbnail/' . $day;
    is_dir($path) || mkdir($path, 0777, TRUE);

    $tmp_file = $conf['upload_path'] . 'tmp/' . $uid . '_' . $tid . '_' . $time . '.jpeg';

    $i = 0;
    foreach ($attachlist as $val) {
        ++$i;
        if (1 == $val['isimage'] && 1 == $i) {
            'clip' == array_value($conf, 'upload_resize', 'clip') ? well_image_clip_thumb($val['path'], $tmp_file, $pic_width, $pic_height) : well_image_thumb($val['path'], $tmp_file, $pic_width, $pic_height);
            break;
        }
    }
    $destfile = $path . '/' . $uid . '_' . $tid . '_' . $time . '.jpeg';
    xn_copy($tmp_file, $destfile) || xn_log("xn_copy($tmp_file), $destfile) failed, tid:$tid", 'php_error');
}

function well_save_remote_image($arr)
{
    global $conf, $time, $forumlist, $config;

    

    $message = array_value($arr, 'message');
    $tid = array_value($arr, 'tid', 0);
    $fid = array_value($arr, 'fid', 0);
    $uid = array_value($arr, 'uid', 0);
    $thumbnail = array_value($arr, 'thumbnail', 0);
    $save_image = array_value($arr, 'save_image', 0);

    $attach_dir_save_rule = array_value($conf, 'attach_dir_save_rule', 'Ym');

    $day = date($attach_dir_save_rule, $time);
    $attach_dir = $conf['upload_path'] . 'website_attach/' . $day . '/';
    $attach_url = $conf['upload_url'] . 'website_attach/' . $day . '/';
    is_dir($attach_dir) || mkdir($attach_dir, 0777, TRUE);

    

    if ($thumbnail) {

        $picture = $config['picture_size'];
        $forum = array_value($forumlist, $fid);
        $picture = isset($forum['thumbnail']) ? $forum['thumbnail'] : $picture['picture_size'];
        $pic_width = $picture['width'];
        $pic_height = $picture['height'];

        $thumbnail_path = $conf['upload_path'] . 'thumbnail/' . $day . '/';
        is_dir($thumbnail_path) || mkdir($thumbnail_path, 0777, TRUE);

        $tmp_file = $thumbnail_path . $uid . '_' . $tid . '_' . $time . '.jpeg';
    }

    $localurlarr = array(
        'http://' . $_SERVER['SERVER_NAME'] . '/',
        'https://' . $_SERVER['SERVER_NAME'] . '/',
    );
    // 跳过云储存
    $conf['cloud_url'] and $localurlarr[] = $conf['cloud_url'];

    

    //$save_image_quality = array_value($conf, 'save_image_quality', 0);
    $save_image_quality = 0;

    $message = urldecode($message);
    //$message = str_replace('&amp;', '&', $message);
    //$message = htmlspecialchars_decode($message);
    preg_match_all('#<img[^>]+src="(http.*?)"#i', $message, $match);

    

    if (!empty($match[1])) {
        $n = 0;
        $i = 0;
        foreach ($match[1] as $url) {

            foreach ($localurlarr as $localurl) {
                if ($localurl == substr($url, 0, strlen($localurl))) continue 2;
            }

            $full_url = htmlspecialchars_decode($url);
            $message = str_replace($url, $full_url, $message);
            $getimgsize = getimagesize($full_url);
            if (FALSE === $getimgsize) continue; // 非图片跳出

            $filename = $uid . '_' . xn_rand(16);
            if (1 == $getimgsize[2]) {
                $filename .= '.gif';
                $destpath = $attach_dir . $filename;
            } elseif (in_array($getimgsize[2], array(2, 3, 15, 18))) {
                $filename .= '.jpeg';
                $destpath = $attach_dir . $filename;
            } else {
                continue; // 非常见图片格式跳出
            }

            $desturl = $attach_url . $filename;
            $_message = str_replace($full_url, $desturl, $message);

            if ($message != $_message) {

                if ($save_image) {
                    if (0 == $save_image_quality) {
                        $imgdata = https_request($full_url);
                        //$destpath = $attach_dir . $filename;
                        file_put_contents_try($destpath, $imgdata);
                    } else {
                        // 图片压缩 GD 库效率低下 ImageMagick 需要额外安装扩展
                        switch ($getimgsize[2]) {
                            case 1: // GIF
                                $imgdata = imagecreatefromgif($full_url);
                                break;
                            case 2: // JPG
                                $imgdata = imagecreatefromjpeg($full_url);
                                break;
                            case 3: // PNG
                                $imgdata = imagecreatefrompng($full_url);
                                break;
                            case 15: // WBMP
                                $imgdata = imagecreatefromwbmp($full_url);
                                break;
                            case 18: // WEBP
                                $imgdata = imagecreatefromwebp($full_url);
                                break;
                        }
                        imagejpeg($imgdata, $destpath, $save_image_quality);
                        imagedestroy($imgdata);
                    }
                }

                // 创建缩略图
                if ($thumbnail) {

                    if (1 == ++$i) {

                        if (empty($save_image)) {
                            $imgdata = https_request($full_url);
                            file_put_contents_try($destpath, $imgdata);
                        }

                        // 裁切保存到缩略图目录
                        'clip' == array_value($conf, 'upload_resize', 'clip') ? well_image_clip_thumb($destpath, $tmp_file, $pic_width, $pic_height, $getimgsize) : well_image_thumb($destpath, $tmp_file, $pic_width, $pic_height, $getimgsize);
                        well_thread_update($tid, array('icon' => $time));
                    }

                    if (empty($save_image)) {
                        is_file($destpath) and unlink($destpath);
                        continue;
                    }
                }

                $filesize = strlen($imgdata);
                $attach = array('tid' => $tid, 'uid' => $uid, 'filesize' => $filesize, 'width' => $getimgsize[0], 'height' => $getimgsize[1], 'filename' => "$day/$filename", 'orgfilename' => $filename, 'filetype' => 'image', 'create_date' => $time, 'downloads' => 0, 'isimage' => 1);
                $aid = well_attach_create($attach);
                $n++;
            }

            $message = preg_replace('#(<img.*?)(class=.+?[\'|\"])|(data-src=.+?[\'|"])|(data-type=.+?[\'|"])|(data-ratio=.+?[\'|"])|(data-s=.+?[\'|"])|(data-fail=.+?[\'|"])|(crossorigin=.+?[\'|"])|((data-w)=[\'"]+[0-9]+[\'"]+)|(_width=.+?[\'|"]+)|(_height=.+?[\'|"]+)|(style=.+?[\'|"])|((width)=[\'"]+[0-9]+[\'"]+)|((height)=[\'"]+[0-9]+[\'"]+)#i', '$1', $_message);
        }
        
        $n and well_thread_update($tid, array('images+' => $n));
    }

    
    return $message;
}

function well_get_image_url($url)
{
    if ($n = strpos($url, '.jpg')) {
        $_n = $n + 4;
    } elseif ($n = strpos($url, '.jpeg')) {
        $_n = $n + 5;
    } elseif ($n = strpos($url, '.png')) {
        $_n = $n + 4;
    } elseif ($n = strpos($url, '.gif')) {
        $_n = $n + 4;
    } elseif ($n = strpos($url, '.bmp')) {
        $_n = $n + 4;
    }

    $url = $n ? mb_substr($url, 0, $_n, 'UTF-8') : NULL;

    return $url;
}




?>     // 频道和全局置顶主题
        foreach ($arrlist as $val) {
            if (in_array($val['fid'], $fids) && 2 == $val['sticky']) {
                $sticky2[$val['tid']] = $val;
            } elseif (3 == $val['sticky']) {
                $sticky3[$val['tid']] = $val;
            }
        }
    } else {
        // 栏目/上级频道/全局置顶
        foreach ($arrlist as $val) {
            if ($forum['fid'] == $val['fid'] && 1 == $val['sticky']) {
                $sticky1[$val['tid']] = $val;
            } elseif (in_array($val['fid'], $fids) && 2 == $val['sticky']) {
                $sticky2[$val['tid']] = $val;
            } elseif (3 == $val['sticky']) {
                $sticky3[$val['tid']] = $val;
            }
        }
    }

    $sticky3 = empty($sticky3) ? array() : array_multisort_key($sticky3, 'create_date', FALSE, 'tid');
    $sticky2 = empty($sticky2) ? array() : array_multisort_key($sticky2, 'create_date', FALSE, 'tid');
    $sticky1 = empty($sticky1) ? array() : array_multisort_key($sticky1, 'create_date', FALSE, 'tid');

    $arr = $sticky3 + $sticky2 + $sticky1;

    

    return $arr;
}

// 全部置顶缓存
function sticky_thread_find_cache()
{
    global $conf;

    

    $key = 'sticky_thread_list';
    static $cache = array(); // 用静态变量只能在当前 request 生命周期缓存，跨进程需要再加一层缓存：redis/memcached/xcache/apc
    if (isset($cache[$key])) return $cache[$key];

    

    if ('mysql' == $conf['cache']['type']) {
        $arr = sticky_thread__find(array(), array('tid' => -1), 1, 2000);
    } else {
        $arr = cache_get($key);
        if (NULL === $arr) {
            $arr = sticky_thread__find(array(), array('tid' => -1), 1, 2000);
            $arr AND cache_set($key, $arr, 1800);
        }
    }

    

    $cache[$key] = $arr ? $arr : NULL;

    

    return $cache[$key];
}




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<a href="/xitong">系统教程</a><a href="/xitong/1767401975a2676197.html" title="首页">电脑升级常见问答与指南</a></div></div></div><div class="fzithome-com main container-w cl"><div class="fzithome-com mainl"><div class="fzithome-com art-post"><div class="fzithome-com title"><h1>电脑升级常见问答与指南</h1><div class="fzithome-com info"><span><a href="/xitong"><i class="iconfont icon-crossborder-fill"></i>系统教程</a></span><span><i class="iconfont icon-browse"></i>60</span><span><i class="iconfont icon-message-fill"></i>0</span><span>
                        更新时间：2026-04-06 12:42:18</span></div></div><div class="fzithome-com art-content"><article class="single-post"><div class="fzithome-com entry"><!DOCTYPE html>
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<h1>电脑升级常见问答与指南</h1>
<div class="question">1. 升级电脑内存主要考虑哪些因素？</div>
<div class="answer" id="answer1">
选择适合的内存模组需要考虑以下几个方面：宽度（如DDR4或DDR5）、频率（MHz值）、容量（GB数）、时序（CAS延迟）以及与主板的兼容性。确保内存条与主板插槽类型匹配，优先考虑官方推荐或兼容性列表中的产品。同时，提升内存容量和频率能改善多任务处理和整体性能表现。
</div>
<div class="question">2. 如何判断电脑处理器是否需要升级？</div>
<div class="answer" id="answer2">
主要观察以下几个指标：CPU的型号是否支持最新的主板和其他硬件、性能是否满足当前应用的需求（如游戏、视频编辑或3D渲染）、任务处理速度是否存在瓶颈以及温度和功耗是否合理。如果在运行复杂任务时感到明显卡顿、等待时间长或频繁超温，可能意味着CPU已经成为升级的对象。
</div>
<div class="question">3. 升级硬盘应选择哪些类型？</div>
<div class="answer" id="answer3">
硬盘主要分为机械硬盘（HDD）和固态硬盘（SSD）。提升整体系统响应速度的最佳选择是升级为NVMe M.2 SSD或SATA接口的SSD，具有快速的读写速度。若需要大量存储空间，可以搭配机械硬盘。考虑容量需求、读写速度、兼容接口以及预算做出选择。
</div>
<div class="question">4. 升级显卡能提升哪些方面的性能？</div>
<div class="answer" id="answer4">
升级显卡主要改善图形处理性能，适合高端游戏、3D设计、渲染以及专业视频处理。新一代显卡具有更高的图形处理能力、更快的帧率和更好的支持现代显示技术（如4K、VR）。同时要确保电源功率足够，机箱空间允许新的显卡安装，避免瓶颈与兼容性问题。
</div>
<div class="question">5. 如何选择合适的电源供应器？</div>
<div class="answer" id="answer5">
选择电源应根据整体硬件配置评估功耗需求。关注额定功率（W数）、效率（如80 PLUS认证）、模块化设计、品牌声誉以及过载保护能力。确保电源输出接口与所用硬件兼容，还要留有一定裕度防止未来升级。
</div>
<div class="question">6. 升级电脑时需要注意哪些兼容性问题？</div>
<div class="answer" id="answer6">
核心要检查主板支持的硬件规格，如CPU插槽、内存类型、存储接口和显卡插槽。同时确认电源是否能满足新硬件的功耗需求，机箱空间是否足够，散热系统是否适用。提前查阅主板、硬件的兼容性列表和官方手册可以避免不必要的麻烦。
</div>
<h2>主要硬件升级流程示意</h2>
<table>
  <tr>
    <th>准备工作</th>
    <th>硬件选择</th>
    <th>安装实施</th>
    <th>测试确认</th>
  </tr>
  <tr>
    <td>备份重要数据，准备螺丝刀和防静电措施</td>
    <td>根据需求选择硬件，确认兼容性</td>
    <td>按步骤拆装，注意静电保护</td>
    <td>开机检测，驱动安装，性能测试</td>
  </tr>
</table>
<h2>常见升级硬件配置推荐（示范）</h2>
<table>
  <thead>
    <tr>
      <th>硬件类型</th>
      <th>建议规格</th>
      <th>适用场景</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td>CPU</td>
      <td>Intel Core i7-13700K / AMD Ryzen 7 7700X</td>
      <td>高端游戏、专业建模</td>
    </tr>
    <tr>
      <td>内存</td>
      <td>16GB DDR4 3200MHz + 16GB DDR4 3200MHz</td>
      <td>多任务处理、软件开发</td>
    </tr>
    <tr>
      <td>存储</td>
      <td>1TB NVMe SSD + 2TB机械硬盘</td>
      <td>快速启动与大容量存储</td>
    </tr>
    <tr>
      <td>显卡</td>
      <td>NVIDIA RTX 4070 Ti / AMD Radeon RX 7800 XT</td>
      <td>高品质3D渲染、游戏体验</td>
    </tr>
    <tr>
      <td>电源</td>
      <td>650W 80 PLUS Gold</td>
      <td>稳定供电、多硬件支持</td>
    </tr>
  </tbody>
</table>
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