if (userSet.size() == 0) {
return resultMap;
}
List<UserInfo> allUserList = new UserInfoAccessSessionMySQL().queryAllUserInfo(userSet.toArray(new String[0]));
for (UserInfo userInfo : allUserList) {
userMap.put(userInfo.getUserName(), userInfo.getNickName());
userIdMap.put(userInfo.getNickName(), userInfo.getUserName());
}