($sid) { session_delete(array('sid' => $sid)); session_data_delete(array('sid' => $sid)); return TRUE; } function sess_gc($maxlifetime) { global $time; $expiry = $time - $maxlifetime; $arrlist = session_find(array('last_date' => array('<' => $expiry)), array(), 1, 10000, '', array('sid', 'bigdata', 'last_date')); if (!$arrlist) return TRUE; $expiry = $time - 21600; // 超6小时未提交丢弃上传图片和附件 $sidarr = array(); foreach ($arrlist as $val) { if ($val['last_date'] > $expiry && $val['bigdata']) continue; $sidarr[] = $val['sid']; } if (empty($sidarr)) return TRUE; session_delete(array('sid' => $sidarr)); session_data_delete(array('sid' => $sidarr)); return TRUE; } function sess_start() { global $conf, $sid, $g_session; ini_set('session.name', $conf['cookie_pre'] . 'sid'); ini_set('session.use_cookies', TRUE); ini_set('session.use_only_cookies', TRUE); ini_set('session.cookie_domain', $conf['cookie_domain']); // 为空则表示当前目录和子目录 ini_set('session.cookie_path', $conf['cookie_path']); // 打开后只有通过 https 才有效 ini_set('session.cookie_secure', FALSE); ini_set('session.cookie_lifetime', 8640000); // 打开后 js 获取不到 HTTP 设置的 cookie, 有效防止 XSS，对于安全很重要，除非有 BUG，否则不要关闭。 ini_set('session.cookie_httponly', TRUE); // 活动时间 ini_set('session.gc_maxlifetime', $conf['online_hold_time']); // 垃圾回收概率 = gc_probability/gc_divisor ini_set('session.gc_probability', 1); // 垃圾回收时间 5 秒，在线人数 * 10 / 每1000个请求回收一次垃圾 ini_set('session.gc_divisor', 1000); session_set_save_handler('sess_open', 'sess_close', 'sess_read', 'sess_write', 'sess_destroy', 'sess_gc'); // register_shutdown_function 会丢失当前目录，需要 chdir(APP_PATH) $conf['url_rewrite_on'] > 1 and function_exists('chdir') and chdir(APP_PATH); // 这个必须有，否则 ZEND 会提前释放 $db 资源 register_shutdown_function('session_write_close'); session_start(); $sid = session_id(); return $sid; } // 刷新页面清理附件缓存 废弃 function sess_clear_attach() { global $sid, $time; $arr = session_read($sid); if (!$arr || 0 == $arr['bigdata']) return TRUE; session_update($sid, array('bigdata' => 0, 'last_date' => $time)); session_data_delete(array('sid' => $sid)); return TRUE; } function online_count() { return session_count(); } function online_list_cache() { static $cache = array(); $key = 'online_list'; if (isset($cache[$key])) return $cache[$key]; $cache[$key] = cache_get($key); if (NULL === $cache[$key]) { $cache[$key] = session_find(array('uid' => array('>' => 0)), array('last_date' => -1), 1, 1000); foreach ($cache[$key] as &$online) { $user = user_read_cache($online['uid']); $online['username'] = $user['username']; $online['gid'] = $user['gid']; $online['ip_fmt'] = safe_long2ip($online['ip']); $online['last_date_fmt'] = date('Y-n-j H:i', $online['last_date']); } cache_set('online_list', $cache[$key], 300); } return $cache[$key]; } function online_user_list_cache() { static $cache = array(); $key = 'online_user_list'; if (isset($cache[$key])) return $cache[$key]; $cache[$key] = cache_get($key); if (NULL === $cache[$key]) { $cache[$key] = session_find(array('uid' => array('>' => 0)), array(), 1, 1000, 'uid', array('uid')); cache_set('online_user_list', $cache[$key], 300); } return $cache[$key]; } ?>experience的用法总结大全|江阴雨辰互联

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experience的用法总结大全

admin••数码科技•阅读25

experience的用法总结大全


2023年12月22日发(作者：bose qc35二代)

experience的用法总结大全

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experience的用法总结大全

experience的意思

n. 经验，体验；经历，阅历；

vt. 亲身参与，亲身经历；感受；发现；

experience的用法

用作名词

Experience is the best teacher.

经验是最好的老师。

Experience is the mother of science.

经验为科学之母。

Experience keeps a dear school, but fools learn in no other.

吃亏学乖代价高,笨汉非此学不好。

She's had nine months' experience.

她已经有了九个月的经验。

～+to-v

They don't have enough experience to do the job.

他们做这项工作没有足够的经验。

用作及物动词

S+～+n./pron.

I experienced a lot of difficulties.

我经历了许多困难。

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He experienced great hardships for the first time in his

life.

他有生以来初次体验到巨大的艰苦。

Our country has experienced great changes in the last 20

years.

在过去的20年里,我们国家经历了巨大变化。

A writer experiences life at its source.

作家体验生活。

S+～+v-ing

He has experienced bearing the burden.

他经历过担负重担。

S+～+wh-clause

He has experienced what hardships mean.

他尝到了艰苦的滋味。

其他

v-edasAttrib.

We can't hope to compete against so experienced a team.

我们没有希望拼得过如此有经验的球队。

The experienced teacher is used to keeping his students

hard at work.

有经验的老师习惯于督促学生用功学习。

The most experienced climber was chosen to lead the other

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up the mountain.

最有经验的登山运动员被挑选出来带领其他人爬山。

It goes without saying that an experienced person will do

that work better than someone without experience.

不言而喻,有经验的人做这事要比没经验的人做得好。

experience的用法例句

1. The most pleasurable experience of the evening was the

wonderful fireworks display.

这个晚上最让人高兴的就是精彩的焰火表演。

2. Few would argue that this team has experience and proven

ability.

这个队伍的丰富经验和表现出来的实力是众所公认的。

3. His office was in keeping with his station and experience.

他的办公室与其身份和阅历相称。

4. The comparison of her life to a sea voyage simplifies

her experience.

把她的人生比作一次海上航行不足以说明她丰富的经历。

5. Despite his lack of experience, he got the job.

他虽然经验不足，但还是获得了这份工作。

6. He brought to the job not just considerable experience

but passionate enthusiasm.

他不仅给这一工作带来了不少经验，而且倾注了极大的热情。

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