/**
  * 按主键删除一条数据
  *
  * @param dbManager DB管理器
  * @param userNo 户号
  * @throws Exception
  */
 public void delete(DBManager dbManager, String userNo) throws Exception {
   DBLwProrate dbLwProrate = new DBLwProrate(dbManager);
   // 删除记录
   dbLwProrate.delete(userNo);
 }