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/1701197522a23065.html" title="首页">Windows系统中的磁盘清理和优化技巧</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>Windows系统中的磁盘清理和优化技巧</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>28</span><span><i class="iconfont icon-message-fill"></i>0</span><span>
                        更新时间：2026-04-06 12:40:37</span></div></div><div class="fzithome-com art-content"><article class="single-post"><div class="fzithome-com entry"><p></p><div></img><br>2023年11月29日发(作者：)<p style='text-indent:30px;top:113.034;left:174.09;'><span style='font-size:32.94px;color:#000000;letter-spacing:0.01px;font-family:TimesNewRomanPS-BoldMT;font-weight:bold;'>Windows</span><span style='font-size:32.94px;color:#000000;letter-spacing:0.148px;font-family:SimSun;font-weight:bold;'>系统中的磁盘清理和优化技巧</span><p><p style='text-indent:30px;top:127.104;left:313.094;'><span style='font-size:16.56px;color:#000000;font-family:TimesNewRomanPSMT;'> </span><p><p style='text-indent:30px;top:175.642;left:743.91;'><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>引言：</span><p><p style='text-indent:30px;top:180.744;left:166.89;'><span style='font-size:16.56px;color:#000000;font-family:TimesNewRomanPSMT;'> </span><p><p style='text-indent:30px;top:234.322;left:234.39;'><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>随着时间的推移，计算机的磁盘容量不断增加，但随之而来的</span><p><p style='text-indent:30px;top:278.062;left:135.036;'><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>是数据的持续增长和磁盘碎片的堆积。这些问题会导致磁盘空间</span><p><p style='text-indent:30px;top:321.982;left:225.93;'><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>不足、系统运行缓慢等情况。因此，磁盘清理和优化成为了保持</span><p><p style='text-indent:30px;top:365.767;left:613.905;'><span style='font-size:22.5px;color:#000000;letter-spacing:0.014px;font-family:TimesNewRomanPSMT;'>Windows</span><span style='font-size:22.5px;color:#000000;letter-spacing:-0.011px;font-family:SimSun;'>系统高效运行的重要环节。本文将介绍</span><span style='font-size:22.5px;color:#000000;letter-spacing:0.015px;font-family:TimesNewRomanPSMT;'>Windows</span><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>系统中</span><p><p style='text-indent:30px;top:409.507;left:704.849;'><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>的磁盘清理和优化技巧，以帮助用户提高系统性能。</span><p><p style='text-indent:30px;top:414.609;left:652.605;'><span style='font-size:16.56px;color:#000000;font-family:TimesNewRomanPSMT;'> </span><p><p style='text-indent:30px;top:468.187;left:391.934;'><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>第一章：磁盘清理技巧</span><p><p style='text-indent:30px;top:473.289;left:200.73;'><span style='font-size:16.56px;color:#000000;font-family:TimesNewRomanPSMT;'> </span><p><p style='text-indent:30px;top:527.047;left:335.775;'><span style='font-size:22.5px;color:#000000;letter-spacing:0.022px;font-family:TimesNewRomanPSMT;'>1.1 </span><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>临时文件清理</span><p><p style='text-indent:30px;top:532.149;left:257.79;'><span style='font-size:16.56px;color:#000000;font-family:TimesNewRomanPSMT;'> </span><p><p style='text-indent:30px;top:585.727;left:607.605;'><span style='font-size:22.5px;color:#000000;letter-spacing:0.014px;font-family:TimesNewRomanPSMT;'>Windows</span><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>系统会自动创建各种临时文件，而大部分这些文件都</span><p><p style='text-indent:30px;top:629.677;left:708.629;'><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>是可以删除的。用户可以通过在运行窗口中输入</span><span style='font-size:22.5px;color:#000000;letter-spacing:0.012px;font-family:TimesNewRomanPSMT;'>"%temp%"</span><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>命令，</span><p><p style='text-indent:30px;top:673.417;left:180.03;'><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>打开临时文件夹，并删除其中的文件。此外，也可以使用系统提</span><p><p style='text-indent:30px;top:717.157;left:190.11;'><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>供的</span><span style='font-size:22.5px;color:#000000;font-family:TimesNewRomanPSMT;'>“</span><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>磁盘清理</span><span style='font-size:22.5px;color:#000000;font-family:TimesNewRomanPSMT;'>”</span><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>工具来清理临时文件。</span><p><p style='text-indent:30px;top:722.259;left:280.109;'><span style='font-size:16.56px;color:#000000;font-family:TimesNewRomanPSMT;'> </span><p><p style='text-indent:30px;top:775.837;left:290.01;'><span style='font-size:22.5px;color:#000000;letter-spacing:0.022px;font-family:TimesNewRomanPSMT;'>1.2 </span><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>应用程序缓存清理</span><p><p style='text-indent:30px;top:780.939;left:515.085;'><span style='font-size:16.56px;color:#000000;font-family:TimesNewRomanPSMT;'> </span><p><p style='text-indent:30px;top:834.697;left:380.775;'><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>许多应用程序会在系统中创建缓存文件，这些文件在长时间的</span><p><p style='text-indent:30px;top:878.482;left:495.105;'><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>使用后可能会占用大量的磁盘空间。用户可以通过在应用程序的</span><p><p style='text-indent:30px;top:111.382;left:166.89;'><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>除了临时文件和应用程序缓存外，还有一些垃圾文件也会占用</span><p><p style='text-indent:30px;top:155.122;left:135.036;'><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>磁盘空间。用户可以使用系统自带的</span><span style='font-size:22.5px;color:#000000;font-family:TimesNewRomanPSMT;'>“</span><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>磁盘清理</span><span style='font-size:22.5px;color:#000000;font-family:TimesNewRomanPSMT;'>”</span><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>工具来删除这些</span><p><p style='text-indent:30px;top:198.862;left:495.105;'><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>文件。此工具可以扫描磁盘上的垃圾文件，并提供删除选项供用</span><p><p style='text-indent:30px;top:242.602;left:505.184;'><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>户选择。</span><p><p style='text-indent:30px;top:247.704;left:595.185;'><span style='font-size:16.56px;color:#000000;font-family:TimesNewRomanPSMT;'> </span><p><p style='text-indent:30px;top:301.462;left:605.085;'><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>第二章：磁盘优化技巧</span><p><p style='text-indent:30px;top:306.564;left:225.03;'><span style='font-size:16.56px;color:#000000;font-family:TimesNewRomanPSMT;'> </span><p><p style='text-indent:30px;top:360.187;left:391.934;'><span style='font-size:22.5px;color:#000000;letter-spacing:0.022px;font-family:TimesNewRomanPSMT;'>2.1 </span><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>磁盘碎片整理</span><p><p style='text-indent:30px;top:365.289;left:200.73;'><span style='font-size:16.56px;color:#000000;font-family:TimesNewRomanPSMT;'> </span><p><p style='text-indent:30px;top:419.047;left:335.775;'><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>随着文件的频繁创建、修改和删除，磁盘上的数据会变得不连</span><p><p style='text-indent:30px;top:462.787;left:636.045;'><span style='font-size:22.5px;color:#000000;letter-spacing:0.251px;font-family:SimSun;'>续，导致读写速度下降。用户可以使用系统自带的</span><span style='font-size:22.5px;color:#000000;font-family:TimesNewRomanPSMT;'>“</span><span style='font-size:22.5px;color:#000000;letter-spacing:0.265px;font-family:SimSun;'>磁盘碎片整理</span><span style='font-size:22.5px;color:#000000;font-family:TimesNewRomanPSMT;'>”</span><p><p style='text-indent:30px;top:506.527;left:646.484;'><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>工具来重新整理文件，使其变得连续，提高系统性能。</span><p><p style='text-indent:30px;top:511.629;left:783.33;'><span style='font-size:16.56px;color:#000000;font-family:TimesNewRomanPSMT;'> </span><p><p style='text-indent:30px;top:565.387;left:675.105;'><span style='font-size:22.5px;color:#000000;letter-spacing:0.022px;font-family:TimesNewRomanPSMT;'>2.2 </span><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>索引优化</span><p><p style='text-indent:30px;top:570.489;left:290.73;'><span style='font-size:16.56px;color:#000000;font-family:TimesNewRomanPSMT;'> </span><p><p style='text-indent:30px;top:624.097;left:257.79;'><span style='font-size:22.5px;color:#000000;letter-spacing:0.014px;font-family:TimesNewRomanPSMT;'>Windows</span><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>系统中的索引服务可以加快文件搜索的速度，但同时</span><p><p style='text-indent:30px;top:667.837;left:720.15;'><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>也会占用一定的磁盘空间。用户可以通过访问控制面板中的</span><span style='font-size:22.5px;color:#000000;font-family:TimesNewRomanPSMT;'>“</span><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>索引</span><p><p style='text-indent:30px;top:711.757;left:730.23;'><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>选项</span><span style='font-size:22.5px;color:#000000;font-family:TimesNewRomanPSMT;'>”</span><span style='font-size:22.5px;color:#000000;letter-spacing:0.01px;font-family:SimSun;'>来选择需要索引的文件类型，从而减少不必要的索引工作。</span><p><p style='text-indent:30px;top:716.859;left:180.03;'><span style='font-size:16.56px;color:#000000;font-family:TimesNewRomanPSMT;'> </span><p><p style='text-indent:30px;top:770.437;left:189.929;'><span style='font-size:22.5px;color:#000000;letter-spacing:0.022px;font-family:TimesNewRomanPSMT;'>2.3 </span><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>禁用自动备份</span><p><p style='text-indent:30px;top:775.539;left:775.229;'><span style='font-size:16.56px;color:#000000;font-family:TimesNewRomanPSMT;'> </span><p><p style='text-indent:30px;top:829.297;left:325.335;'><span style='font-size:22.5px;color:#000000;letter-spacing:0.014px;font-family:TimesNewRomanPSMT;'>Windows</span><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>系统的</span><span style='font-size:22.5px;color:#000000;font-family:TimesNewRomanPSMT;'>“</span><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>文件历史记录</span><span style='font-size:22.5px;color:#000000;font-family:TimesNewRomanPSMT;'>”</span><span style='font-size:22.5px;color:#000000;letter-spacing:0.013px;font-family:SimSun;'>功能可以自动备份文件，但也</span><p><p style='text-indent:30px;top:873.082;left:335.235;'><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>会占用一部分磁盘空间。用户可以在</span><span style='font-size:22.5px;color:#000000;font-family:TimesNewRomanPSMT;'>“</span><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>文件历史记录</span><span style='font-size:22.5px;color:#000000;font-family:TimesNewRomanPSMT;'>”</span><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>设置中选择</span><p><p style='text-indent:30px;top:916.822;left:470.234;'><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>关闭自动备份功能，从而释放磁盘空间。</span><p><p style='text-indent:30px;top:921.924;left:480.135;'><span style='font-size:16.56px;color:#000000;font-family:TimesNewRomanPSMT;'> </span><p><p style='text-indent:30px;top:975.502;left:640.185;'><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>第三章：磁盘空间扩展技巧</span><p><p style='text-indent:30px;top:980.604;left:650.085;'><span style='font-size:16.56px;color:#000000;font-family:TimesNewRomanPSMT;'> </span><p><p style='text-indent:30px;top:1034.356;left:540.105;'><span style='font-size:22.5px;color:#000000;letter-spacing:0.022px;font-family:TimesNewRomanPSMT;'>3.1 </span><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>使用外部存储设备</span><p><p style='text-indent:30px;top:1039.458;left:436.934;'><span style='font-size:16.56px;color:#000000;font-family:TimesNewRomanPSMT;'> </span><p><p style='text-indent:30px;top:111.382;left:166.89;'><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>当磁盘空间不足时，用户可以通过使用外部存储设备（如</span><span style='font-size:22.5px;color:#000000;font-family:TimesNewRomanPSMT;'>USB</span><p><p style='text-indent:30px;top:155.122;left:735.09;'><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>闪存驱动器或移动硬盘）来扩展存储空间。将不常用的文件、照</span><p><p style='text-indent:30px;top:198.862;left:135.036;'><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>片等移动到外部存储设备上，可以释放计算机内部磁盘的空间。</span><p><p style='text-indent:30px;top:203.964;left:765.15;'><span style='font-size:16.56px;color:#000000;font-family:TimesNewRomanPSMT;'> </span><p><p style='text-indent:30px;top:257.722;left:200.73;'><span style='font-size:22.5px;color:#000000;letter-spacing:0.022px;font-family:TimesNewRomanPSMT;'>3.2 </span><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>云存储</span><p><p style='text-indent:30px;top:262.824;left:268.23;'><span style='font-size:16.56px;color:#000000;font-family:TimesNewRomanPSMT;'> </span><p><p style='text-indent:30px;top:316.402;left:307.515;'><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>云存储服务如</span><span style='font-size:22.5px;color:#000000;letter-spacing:0.035px;font-family:TimesNewRomanPSMT;'>OneDrive</span><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>、</span><span style='font-size:22.5px;color:#000000;font-family:TimesNewRomanPSMT;'>Google Drive</span><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>等，提供了大量的免费</span><p><p style='text-indent:30px;top:360.187;left:396.434;'><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>存储空间，可以让用户将文件上传至云端进行备份和访问。使用</span><p><p style='text-indent:30px;top:404.107;left:418.934;'><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>云存储服务可以有效地扩展磁盘空间，并保护文件安全。</span><p><p style='text-indent:30px;top:409.209;left:546.585;'><span style='font-size:16.56px;color:#000000;font-family:TimesNewRomanPSMT;'> </span><p><p style='text-indent:30px;top:462.787;left:697.65;'><span style='font-size:22.5px;color:#000000;letter-spacing:0.022px;font-family:TimesNewRomanPSMT;'>3.3 </span><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>压缩文件和文件夹</span><p><p style='text-indent:30px;top:467.889;left:380.775;'><span style='font-size:16.56px;color:#000000;font-family:TimesNewRomanPSMT;'> </span><p><p style='text-indent:30px;top:521.647;left:257.79;'><span style='font-size:22.5px;color:#000000;letter-spacing:0.014px;font-family:TimesNewRomanPSMT;'>Windows</span><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>系统中提供了压缩文件和文件夹的功能，用户可以将</span><p><p style='text-indent:30px;top:565.387;left:517.605;'><span style='font-size:22.5px;color:#000000;letter-spacing:0.62px;font-family:SimSun;'>不常用的文件和文件夹压缩，从而减少它们在磁盘上占用的空间。</span><p><p style='text-indent:30px;top:609.157;left:527.685;'><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>用户只需右键点击文件或文件夹，选择</span><span style='font-size:22.5px;color:#000000;font-family:TimesNewRomanPSMT;'>“</span><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>属性</span><span style='font-size:22.5px;color:#000000;font-family:TimesNewRomanPSMT;'>”</span><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>并勾选</span><span style='font-size:22.5px;color:#000000;font-family:TimesNewRomanPSMT;'>“</span><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>压缩此文件</span><p><p style='text-indent:30px;top:652.897;left:572.685;'><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>夹以节省磁盘空间</span><span style='font-size:22.5px;color:#000000;font-family:TimesNewRomanPSMT;'>”</span><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>选项。</span><p><p style='text-indent:30px;top:657.999;left:582.585;'><span style='font-size:16.56px;color:#000000;font-family:TimesNewRomanPSMT;'> </span><p><p style='text-indent:30px;top:711.757;left:650.085;'><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>结论：</span><p><p style='text-indent:30px;top:716.859;left:660.165;'><span style='font-size:16.56px;color:#000000;font-family:TimesNewRomanPSMT;'> </span><p><p style='text-indent:30px;top:770.437;left:315.075;'><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>磁盘清理和优化对于保持</span><span style='font-size:22.5px;color:#000000;letter-spacing:0.041px;font-family:TimesNewRomanPSMT;'>Windows</span><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>系统的高效运行是至关重要</span><p><p style='text-indent:30px;top:814.177;left:324.975;'><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>的。通过清理临时文件、应用程序缓存和垃圾文件，以及优化磁</span><p><p style='text-indent:30px;top:857.917;left:392.655;'><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>盘碎片、索引和自动备份，可以提升系统性能。此外，用户还可</span><p><p style='text-indent:30px;top:901.882;left:234.39;'><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>以考虑使用外部存储设备或云存储服务来扩展磁盘空间。在实施</span><p><p style='text-indent:30px;top:945.622;left:420.015;'><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>这些技巧时，用户应该定期检查磁盘状态，并根据需要采取相应</span><p><p style='text-indent:30px;top:989.362;left:510.945;'><span style='font-size:22.5px;color:#000000;font-family:SimSun;'>的措施，以确保计算机的正常运行。</span><p><p style='text-indent:30px;top:994.464;left:495.105;'><span style='font-size:16.56px;color:#000000;font-family:TimesNewRomanPSMT;'> </span><p></div><p></p><div></img></div></br></div></article></div><div class="fzithome-com info"><div><span>本文发布于:2023-11-29，感谢您对本站的认可！</span></div><div><span>本文链接:</span><a href="https://www.fzithome.com/xitong/1701197522a23065.html" title="Windows系统中的磁盘清理和优化技巧">https://www.fzithome.com/xitong/1701197522a23065.html</a></div><div><span>版权声明:本站内容均来自互联网，仅供演示用，请勿用于商业和其他非法用途。如果侵犯了您的权益请与我们联系，我们将在24小时内删除。</span></div></div><span class="tag"><i class="iconfont 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