DetachedCriteria多條件查詢or,disjunction

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  1. public Page getCoordByPage(Page queryHandler, TCoordinate conditions) {  
  2.         DetachedCriteria dc = DetachedCriteria.forClass(TCoordinate.class);  
  3.         if (conditions.getTAxis() != null) {  
  4.             dc.add(Restrictions.eq("TAxis", conditions.getTAxis()));  
  5.         }  
  6.           
  7.         if(conditions.getCoordinateName()!=null){  
  8.             dc.add(Restrictions.like("coordinateName", conditions.getCoordinateName(),MatchMode.ANYWHERE).ignoreCase());  
  9.         }  
  10.   
  11.         if(conditions.getParentCoordinate().getId()!=null){  
  12.             dc.add(Restrictions.eq("parentCoordinate.id", conditions.getParentCoordinate().getId()));  
  13.         }  
  14.   
  15.         dc.addOrder(Order.desc("addDate"));  
  16.         Page page = this.coordinateDao.getPageByCriteria(queryHandler, dc);  
  17.         return page;  
  18.     }  


兩個條件之間or的用法【Restrictions.or(lhs, rhs)】:

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  1. dc.add(Restrictions.or(Restrictions.like("country", comm.getCountry(),MatchMode.ANYWHERE).ignoreCase(),   
  2.                     Restrictions.like("pinyin", comm.getCountry(),MatchMode.ANYWHERE).ignoreCase()));  



超過兩個,比如三個條件之間的or【Disjunction disjunction = Restrictions.disjunction();】:

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  1. if(!ValidateUtils.isEmpty(comm.getCountry())){  
  2.             Disjunction disjunction = Restrictions.disjunction();  
  3.               
  4.             disjunction.add(Restrictions.like("country", comm.getCountry(),MatchMode.ANYWHERE).ignoreCase());  
  5.             disjunction.add(Restrictions.like("pinyin", comm.getCountry(),MatchMode.ANYWHERE).ignoreCase());  
  6.             disjunction.add(Restrictions.like("jianpin", comm.getCountry(),MatchMode.ANYWHERE).ignoreCase());  
  7.               
  8.             dc.add(disjunction);  
  9.         } 
  10.  
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