code: public static Entity handleRow(ResultSet rs) throws SQLException {
  		final ResultSetMetaData meta = rs.getMetaData();
  		final int columnCount = meta.getColumnCount();
  		return handleRow(columnCount, meta, rs);
  	}
docs: 处理单条数据
  
  @param rs 数据集
  @return 每一行的Entity
  @throws SQLException SQL执行异常