@Override
public Set<String> findRoles(String username) {
List<Role> list = roleMapper.selectByUsername(username);
Set<String> set = new HashSet<String>(list.size());
for (Role role : list) {
set.add(role.getName());
}
logger.debug("角色集合是：{：" + set.toString() + "}");
return set;
}
