/**
*
* @brief 最新发布的文章,默认存放50条
* @param int $type
* @param int $majory
* @param int $limit
*/
public static function getNewArticle($majoryId, $limit = 10, $offset = 0)
{
$limit = $limit < 51 ? $limit : 50;
$key = 'new_' . $majoryId;
//list时间默认5分钟;
$t = getMicrosecond();
$result = DBRedis::lRange($key, $offset, $limit + $offset - 1, self::$_TIME);
if ($result) {
return array_map('unserialize', $result);
} else {
//echo 'new mysql/';
$sql = self::_buildSql($majoryId, 'new');
$result = DBMysqli::getInstance()->getAll($sql);
foreach ($result as $value) {
DBRedis::rPush($key, serialize($value));
}
// echo $sql.' -> '.((getMicrosecond()-$t)/1000).'<br>';
return array_slice($result, 0, $limit);
}
}
private static function _connect()
{
if (self::$_CONNECT == 0) {
//检查端口是否可用
if (!self::_checkPort()) {
self::$_CONNECT = 1;
return false;
}
self::$_INSTANCE = new Redis();
self::$_INSTANCE->connect(DBConfig::$REDIS['host'], DBConfig::$REDIS['port']);
if (isset(self::$_INSTANCE->socket) && is_resource(self::$_INSTANCE->socket)) {
self::$_CONNECT = 2;
return true;
} else {
self::$_CONNECT = 1;
return false;
}
} elseif (self::$_CONNECT == 1) {
return false;
}
return true;
}
