$em = $this->getDoctrine()->getManager('member');//要记得写上member
$repo = $em->getRepository('BaseMemberBundle:Member');
config.yml中 有个member
fos_user:
db_driver: orm # other valid values are 'mongodb', 'couchdb' and 'propel'
firewall_name: main
user_class: Base\MemberBundle\Entity\Member
model_manager_name: member