public function setOrder($order_by, $order)
{
$this->plist = NULL;
if ($order_by == 'ac') {
if ($order != 'asc') {
$order = 'desc';
}
$key = 'user_list_' . $order_by . '_' . $order . '_' . $this->getCurrentPage();
$cache = MDL_Cache::getInstance();
if (!isset($cache->{$key})) {
$sql = 'select `user_id` from ' . DB_TABLE_USER;
$db = BFL_Database::getInstance();
$stmt = $db->factory($sql);
$stmt->execute();
$user_records = array();
while ($user = $stmt->fetch()) {
$user_records[] = new MDL_User_Record(new MDL_User($user['user_id']));
}
$this->tmp_order = $order;
usort($user_records, array($this, 'cmpByAccepted'));
unset($this->tmp_order);
$users = array();
foreach ($user_records as $user_record) {
$users[] = $user_record->getUser();
}
$cache->{$key} = $users;
}
$users = $cache->{$key};
$this->plist = $this->separatePage($users);
}
}
/**
* getInstance
* @return MDL_Cache
*/
public static function getInstance()
{
if (NULL === self::$_instance) {
self::$_instance = new self();
}
return self::$_instance;
}
public function getRecords()
{
if ($this->records === NULL) {
$user_id = $this->getUser()->getID();
$cache_key = 'user_records_' . $user_id;
$cache = MDL_Cache::getInstance();
if (!isset($cache->{$cache_key})) {
$db = BFL_Database::getInstance();
$stmt = $db->factory('select `record_id` from ' . DB_TABLE_RECORD . ' where `record_user_id`=:user_id');
$stmt->bindValue(':user_id', $user_id);
$stmt->execute();
$records = array();
while ($rs = $stmt->fetch()) {
$records[] = new MDL_Record($rs['record_id'], MDL_Record::GET_ALL);
}
$cache->{$cache_key} = $records;
}
$records = $cache->{$cache_key};
$this->records = $records;
}
return $this->records;
}
<?php
$this->title = '首页';
$this->display('header.php');
?>
<div style="padding:10px; margin:10px;">
<?php
$cache = MDL_Cache::getInstance();
if (isset($cache->index_page)) {
$contents = $cache->index_page;
} else {
$contents = BFL_HTTP::fetch("http://code.google.com/p/vakuum-oj/");
preg_match('/<div id="wikicontent" style="padding:0 3em 1.2em 0">(.+?)<\\/div>/ies', $contents, $match);
$contents = str_replace('¶', '', $match[0]);
$cache->set('index_page', $contents, 3600);
}
echo $contents;
?>
</div>
<?php
$this->display('footer.php');
