public PageUrl getByUrl(String url) { 
  return findOne(new Query(Criteria.where("url").is(url)),PageUrl.class); 
 } 

public List getPageUrlsByUrl(int begin, int end,String linkUrlid) {   
  Query query = new Query(); 
  query.addCriteria(Criteria.where("linkUrl.id").is(linkUrlid)); 
  return find(query.limit(end - begin).skip(begin), PageUrl.class);   
 } 

public long getProcessLandLogsCount(List conditions) 
 { 
  Query query = new Query(); 
  if (conditions != null && conditions.size() > 0) { 
   for (Condition condition : conditions) { 
    query.addCriteria(Criteria.where(condition.getKey()).regex(".*?\\" +condition.getValue().toString()+ ".*")); 
   } 
  } 
  return count(query, ProcessLandLog.class); 
 } 

public List getProcessLandLogs(int begin,int end,List conditions,String orderField,Direction direction) 
 { 
  Query query = new Query(); 
  if (conditions != null && conditions.size() > 0) { 
   for (Condition condition : conditions) { 
    if(condition.getKey().equals("time")){ 
     query.addCriteria(Criteria.where("time").gte(condition.getValue())); //gte: 大于等于 
    }else if(condition.getKey().equals("insertTime")){ 
     query.addCriteria(Criteria.where("insertTime").gte(condition.getValue())); 
    }else{ 
     query.addCriteria(Criteria.where(condition.getKey()).is(condition.getValue())); 
    } 
   } 
  } 
  return find(query.limit(end - begin).skip(begin).with(new Sort(new Sort.Order(direction, orderField))), ProcessLandLog.class); 
 } 
public List getDpsLandsByTime(int begin, int end, Date beginDate,Date endDate) { 
 return find(new Query(Criteria.where("updateTime").gte(beginDate).lte(endDate)).limit(end - begin).skip(begin), 
 DpsLand.class); 
 } 

public List getGoodsDetails2(int begin, int end) { 
  Query query = new Query(); 
  query.addCriteria(Criteria.where("goodsSummary").not()); 
  return find(query.limit(end - begin).skip(begin),GoodsDetail.class); 
 } 

Criteria.where("key1").ne("").ne(null) 

Criteria criteria = new Criteria(); 
criteria.orOperator(Criteria.where("key1").is("0"),Criteria.where("key1").is(null)); 

Criteria criteria = new Criteria(); 
criteria.and("key1").is(false); 
criteria.and("key2").is(type); 
Query query = new Query(criteria); 
long totalCount = this.mongoTemplate.count(query, Xxx.class);

var s = { 
  key1: value1, 
  key2: { 
   keyA: valueA, 
   keyB: valueB 
  } 
 }; 
@Query("{'key2.keyA':?0}") 
List findAllBykeyA(String keyA); 

public long getPageInfosCount(List conditions) { 
  Query query = new Query(); 
  if (conditions != null && conditions.size() > 0) { 
   for (Condition condition : conditions) { 
    query.addCriteria(Criteria.where(condition.getKey()).is(condition.getValue())); 
   } 
  } 
  return count(query, PageInfo.class); 
 } 

Criteria criteria = new Criteria(); 
Object [] o = new Object[]{0, 1, 2}; //包含所有 
criteria.and("type").in(o); 
Query query = new Query(criteria); 
query.with(new Sort(new Sort.Order(Direction.ASC, "type"))).with(new Sort(new Sort.Order(Direction.ASC, "title"))); 
List list = this.mongoTemplate.find(query, WidgetMonitor.class); 

public WriteResult updateTime(PageUrl pageUrl) { 
  String id = pageUrl.getId(); 
  return updateFirst(new Query(Criteria.where("id").is(id)),Update.update("updateTime", pageUrl.getUpdateTime()), PageUrl.class); 
 } 

//调用更新 
private void updateProcessLandLog(ProcessLandLog processLandLog, 
   int crawlResult) { 
  List fields = new ArrayList(); 
  List