private static function init()
{
if (!self::$_inited) {
$xsConfig = Application::getInstance()->getConfig('xs');
require_once $xsConfig['api'];
self::$_inited = true;
}
}
/**
* 建立mongo数据库连接
*
* @param array $config array (
* 'host' => '127.0.0.1',
* 'port' => '27017',
* 'db' => 'laoxinwen'
* )
* @return \MongoDB
*/
public static function open($config = NULL)
{
$appMongoConfig = Application::getInstance()->getConfig('mongo');
if (empty($config)) {
$config = $appMongoConfig;
}
// 只缓存全体app公用的config
if ($config == $appMongoConfig && isset(MongoManager::$_db)) {
$db = MongoManager::$_db;
} else {
$mongo = new \MongoClient("mongodb://{$config['host']}:{$config['port']}");
// $mongo = new \Mongo( "mongodb://{$config['host']}:{$config['port']}" );
$db = $mongo->{$config}['db'];
if ($config == $appMongoConfig) {
MongoManager::$_db = $db;
}
}
return $db;
}
/**
* 建立数据库链接
*
* @param $config array null代表用app config<br>
* array('host' => '127.0.0.1',
* 'port' => '3306',
* 'db' => 'test',
* 'user' => 'root',
* 'password' => '')
* @return DataBase 数据库实例
*/
public static function open($config = NULL)
{
$appDbConfig = Application::getInstance()->getConfig('db');
if (empty($config)) {
$config = $appDbConfig;
}
// 只缓存全体app公用的config
if ($config == $appDbConfig && isset(DBManager::$_db)) {
$db = DBManager::$_db;
} else {
if (class_exists('PDO')) {
$link = new \PDO('mysql:host=' . $config['host'] . ';port=' . $config['port'] . ';dbname=' . $config['db'], $config['user'], $config['password']);
if ($link->errorCode()) {
$errorInfo = $link->errorInfo();
exit("无法连接数据库：" . $errorInfo[2]);
}
DBManager::$_mode = DBManager::MODE_PDO;
$db = new DataBase($link);
} else {
if (class_exists('mysqli')) {
$link = new \mysqli($config['host'], $config['user'], $config['password'], $config['db'], $config['port']);
if ($link->connect_error) {
exit("无法连接数据库：" . $link->connect_error);
}
DBManager::$_mode = DBManager::MODE_SQLI;
$db = new DataBase($link);
} else {
$link = mysql_connect($config['host'] . ':' . $config['port'], $config['user'], $config['password']) or exit("无法连接数据库：" . mysql_error());
mysql_select_db(DB_NAME, $link) or exit("不能使用" . DB_NAME . "数据库：" . mysql_error());
DBManager::$_mode = DBManager::MODE_SQL;
$db = new DataBase($link);
}
}
// utf8改为utf8mb4，以支持一些表情符
$db->query("set names 'utf8mb4'");
if ($config == $appDbConfig) {
DBManager::$_db = $db;
}
}
return $db;
}
/**
* 构造函数
*/
public function __construct($mode = NULL)
{
// 获取使用模式
if (is_null($mode)) {
if (extension_loaded('yac')) {
$mode = Cache::MODE_YAC;
} else {
if (extension_loaded('apc')) {
$mode = Cache::MODE_APC;
} else {
if (extension_loaded('memcached')) {
$mode = Cache::MODE_MEMCACHED;
} else {
if (extension_loaded('memcache')) {
$mode = Cache::MODE_MEMCACHE;
} else {
$mode = Cache::MODE_FILE;
}
}
}
}
}
$this->_mode = $mode;
$appConfig = Application::getInstance()->getConfig();
switch ($mode) {
case Cache::MODE_YAC:
$this->_cache = new \Yac($appConfig['yac']['prefix']);
break;
case Cache::MODE_APC:
break;
case Cache::MODE_MEMCACHED:
$this->_cache = new \Memcached();
$this->_cache->addServer($appConfig['memcache']['host'], $appConfig['memcache']['port']);
break;
case Cache::MODE_MEMCACHE:
$this->_cache = new \Memcache();
$this->_cache->addServer($appConfig['memcache']['host'], $appConfig['memcache']['port']);
break;
case Cache::MODE_FILE:
$this->_cache = new FileCache($appConfig['file_cache']['dir']);
break;
}
}
/**
* 获取security某子段config
*/
public static function getSecurityConfig($section)
{
$securityConfig = Application::getInstance()->getConfig('security');
return $securityConfig[$section];
}
