public function onWorkerStart($serv, $worker_id)
{
echo "Worker {$worker_id} start\n";
// TODO 在这里加载可能的全局变量
if (!$serv->taskworker) {
SwooleServer::$PDO = new PDO("mysql:host=localhost;port=3306;dbname=Test", "root", "123456", array(PDO::MYSQL_ATTR_INIT_COMMAND => "SET NAMES 'UTF8';", PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION, PDO::ATTR_PERSISTENT => true));
echo "Worker\n";
}
}
