java操作mongodb的更新插入操作

Query q = new Query();
q.addCriteria(Criteria.where("wxId").is(wxId).and("muserId").i(muserId));
Date now = org.apache.commons.lang.time.DateUtils.addHours(new Date(), 8);
Update update = new Update();
update.set("validateCode", validateCode);
update.set("modifyTime", now);
mongoOps.upsert(q, update, ValidateCode.class);