public static function getDataBase()
{
$db = Register::get('db');
if (!$db) {
// 单例模式
$db = new Database\MySQLi();
$db->connect('127.0.0.1', 'root', '123456', 'test');
Register::set('db', $db);
}
return $db;
}
static function getDatabase($id = 'proxy')
{
if ($id == 'proxy') {
if (!self::$proxy) {
self::$proxy = new \IMooc\Database\Proxy();
}
return self::$proxy;
}
$key = 'database_' . $id;
if ($id == 'slave') {
$slaves = Application::getInstance()->config['database']['slave'];
$db_conf = $slaves[array_rand($slaves)];
} else {
$db_conf = Application::getInstance()->config['database'][$id];
}
$db = Register::get($key);
if (!$db) {
$db = new Database\MySQLi();
$db->connect($db_conf['host'], $db_conf['user'], $db_conf['password'], $db_conf['dbname']);
Register::set($key, $db);
}
return $db;
}
