// String hsql = "from UserExt t where t.uid=:uid";
// Query query = getSession().createQuery(hsql);
// query.setParameter("uid", uid);
// UserExt ext = (UserExt) query.uniqueResult();
// Calendar cal = new GregorianCalendar();
// cal.setTime(ext.getCommuneAgainTime());
// cal.add(Calendar.YEAR, 1);//增加一年
// ext.setCommuneAgainTime(cal.getTime());
// return ext;
Stringsql="SELECT bu.faceImage 'faceImage', "
+"case when uc.UserName = '' or uc.UserName is NULL then bu.UserName when uc.UserName!= '' and uc.UserName is not NULL then uc.UserName end 'userName',"