list根据某字段排序

List ret = new ArrayList();//全部年列表

Collections.sort(ret,getSorterByDate("desc"));

Collections.sort(ret,getSorterByUrl("desc"));

private Comparator getSorterByUrl(final String order) {
        return new Comparator() {
            public int compare(Object o1, Object o2) {
                
            	YearFlux ft1 = (YearFlux) o1;
            	YearFlux ft2 = (YearFlux) o2;
            	int s1 ;
            	if("asc".equals(order)){
            		if(Integer.parseInt(ft1.getShowUrl()) > Integer.parseInt(ft2.getShowUrl())){
            			s1 = 1;
            		}else	if(Integer.parseInt(ft1.getShowUrl()) < Integer.parseInt(ft2.getShowUrl())){
            			s1 = -1;
            		}else{
            			s1 = 0;
            		}
            	}else{
            		if(Integer.parseInt(ft2.getShowUrl()) > Integer.parseInt(ft1.getShowUrl())){
            			s1 = 1;
            		}else	if(Integer.parseInt(ft2.getShowUrl()) < Integer.parseInt(ft1.getShowUrl())){
            			s1 = -1;
            		}else{
            			s1 = 0;
            		}
            	}
                return s1;
            }
        };
    }
	private Comparator getSorterByDate(final String order) {
        return new Comparator() {
            public int compare(Object o1, Object o2) {
                
            	YearFlux ft1 = (YearFlux) o1;
            	YearFlux ft2 = (YearFlux) o2;
            	int s1 ;
            	if("asc".equals(order)){
            		s1 = ft1.getShowDate().compareTo(ft2.getShowDate());
            	}else{
            		s1 = ft2.getShowDate().compareTo(ft1.getShowDate());
            	}
                return s1;
            }
        };
    }