List<String> 2List <Long>

 public static List<Integer> CollStringToIntegerLst(List<String> inList){
        List<Integer> iList =new ArrayList<Integer>(inList.size());
        CollectionUtils.collect(inList,
                  new Transformer(){
                    public java.lang.Object transform(java.lang.Object input){
                      return new Integer((String)input);
                    }
                  } ,iList );
        return iList;
    }

/**
	 * 分页按条件查询权限列表
	 * 
	 * @param keywords
	 * @return
	 */
	@RequestMapping(value = "/getByCondition2", method = { RequestMethod.GET,
			RequestMethod.POST })
	public @ResponseBody String getByCondition2(String beginTime,
			String endTime,String privilegePersonsList,int startRow,int pageSize) {
		List<Integer> privilegePersonLongs= new ArrayList<Integer>();
		String[] split = privilegePersonsList.split(",");
		List<String> privilegePersons= Arrays.asList(split);

		if (privilegePersonLongs!=null) {
			List<DataPrivilege> list =service.selectByCondition(beginTime,endTime, ListUtil.fromStringToLongList(privilegePersons),startRow,pageSize);
			Page<DataPrivilege> page = new Page<DataPrivilege>(service.countByConditions());
			if (list.size() != 0) {
				ResultVO<DataPrivilege> result = new ResultVO<DataPrivilege>();
				result.setLists(list);
				result.setPage(page);
				return result.toString();
		} 
		}
		return "";
	}

 public static List<Integer> CollStringToIntegerLst(List<String> inList){
        List<Integer> iList =new ArrayList<Integer>(inList.size());
        CollectionUtils.collect(inList, 
                  new Transformer(){
                    public java.lang.Object transform(java.lang.Object input){
                      return new Integer((String)input);
                    }
                  } ,iList );
        return iList;
    }