public static function init()
{
$config = Config::get('database');
self::$pre = $config['db_pre'];
if (!$config['db_host'] || !$config['db_name'] || !$config['db_user']) {
throw new \Exception("请先设置数据库连接参数");
}
$mysqli = mysqli_init();
if (!$mysqli) {
throw new \Exception("mysqli_init failed");
exit;
}
if (!$mysqli->real_connect($config['db_host'], $config['db_user'], $config['db_pwd'], $config['db_name'])) {
throw new \Exception('Connect Error (' . mysqli_connect_errno() . ') ' . mysqli_connect_error());
exit;
}
self::$conn = $mysqli;
}
