public function __construct()
{
$params = xiaocms::load_config('database');
if (!is_array($params)) {
exit('数据库配置文件不存在');
}
foreach ($params as $key => $value) {
$params[$key] = trim($value);
}
$dsn_array = array();
$dsn_array['host'] = $params['host'];
$dsn_array['port'] = $params['port'];
$dsn_array['dbname'] = $params['dbname'];
$dsn_array['charset'] = $params['charset'];
$params['dsn'] = sprintf('%s:%s', 'mysql', http_build_query($dsn_array, '', ';'));
$this->_dbName = $params['dbname'];
$this->_prefix = isset($params['prefix']) && $params['prefix'] ? $params['prefix'] : '';
xiaocms::load_class('dbpdo', 0);
$this->_db = dbpdo::getInstance($params);
unset($params['username']);
unset($params['password']);
return true;
}
public static function getInstance($params = array())
{
if (!self::$_instance) {
self::$_instance = new self($params);
}
return self::$_instance;
}
