code: public List<Map<String, Object>> toList(List<Object[]> table, String[] columns) {
  		List<Map<String, Object>> resultList = new ArrayList<Map<String, Object>>();
  		if ((table != null && columns != null) && table.size() > 0) {
  			for (Object[] row : table) {
  				Map<String, Object> result = new HashMap<String, Object>();
  				for (int i = 0; i < columns.length; i++) {
  					result.put(columns[i], row[i]);
  				}
  				resultList.add(result);
  			}
  		}
  		return resultList;
  	}
docs: 将查询结果映射成为List
  
  @param table 查询结果
  @param columns 列名（按查询结果顺序）
  
  @return 映射后的List