private function env()
{
$env_array = Config::load('environment', false, 'apps');
$env_array = $env_array[ENVIRONMENT];
error_reporting(E_ALL);
ini_set('error_log', APPPATH . 'log/php_error_' . date('Y-m-d') . '.log');
define("LOG_LEVEL", $env_array['LOG_LEVEL']);
}
/**
* 获取数据库单例对象
* @return ExtendedPdo|null
*/
public static function getInstance()
{
if (self::$db && is_object(self::$db) && self::$db instanceof ExtendedPdo) {
return self::$db;
}
$connection_params = Config::load('db', false);
$connection_params =& $connection_params[ENVIRONMENT];
if (isset($connection_params['default_connect_db']) && $connection_params['default_connect_db']) {
$connect_databases =& $connection_params['connect_databases'] or $connect_databases = array();
foreach ($connect_databases as $index => $db_configs) {
self::$connect_pool[$index] = new ExtendedPdo($db_configs['dsn'], $db_configs['user'], $db_configs['password']);
}
if (isset($connection_params['default_connect_db'])) {
self::$db = self::$connect_pool[$connection_params['default_connect_db']];
}
$connect_databases = NULL;
} else {
self::$db = new ExtendedPdo($connection_params['dsn'], $connection_params['user'], $connection_params['password']);
}
$connection_params = NULL;
return self::$db;
}
