src/Socket/Controller.php
function send($data, bool $raw = false) {
        return $this->_router->connection->send($data, $raw);
    }
function send($data, bool $raw = false) {
        return $this->_router->connection->send($data, $raw);
    }
向客户端发送数据

@param $data
@param bool $raw
@return mixed