Пример #1
0
  /**
   * 按条件查询多条数据
   *
   * @param conditions 查询条件
   * @param pageNo 页号
   * @param rowsPerPage 每页的行数
   * @return Collection
   * @throws Exception
   */
  public Collection findByConditions(String conditions, int pageNo, int rowsPerPage)
      throws Exception {
    StringBuffer buffer = new StringBuffer(200);
    // 拼SQL语句
    buffer.append("SELECT ");
    buffer.append("UserNo,");
    buffer.append("UserName,");
    buffer.append("Address,");
    buffer.append("ReadDate,");
    buffer.append("StatMonth,");
    buffer.append("ThisWorkNum,");
    buffer.append("MidWorkNum,");
    buffer.append("LastWorkNum,");
    buffer.append("Rate,");
    buffer.append("ReadQuantity,");
    buffer.append("ExcepQuantity,");
    buffer.append("ChgAmmeterQuantity,");
    buffer.append("CompensateQuantity,");
    buffer.append("AppendCalQuantity,");
    buffer.append("TranferLossQuantity,");
    buffer.append("PeoplePrice,");
    buffer.append("NotPeoplePrice,");
    buffer.append("FarmPrice,");
    buffer.append("ProducePrice,");
    buffer.append("BusinessPrice,");
    buffer.append("Voltlevel,");
    buffer.append("IndustryPrice,");
    buffer.append("ValidStatus,");
    buffer.append("Flag,");
    buffer.append("Remark,");
    buffer.append("InputDate ");
    buffer.append("FROM LwTownIndicator WHERE ");
    buffer.append(conditions);
    boolean supportPaging = false; // 数据库是否支持分页
    if (pageNo > 0) {
      // 对Oracle优化
      if (dbManager
          .getConnection()
          .getMetaData()
          .getDatabaseProductName()
          .equalsIgnoreCase("Oracle")) {
        buffer.insert(0, "SELECT * FROM ( SELECT row_.*, rownum rownum_ FROM (");
        buffer.append(
            ") row_ WHERE rownum <= "
                + rowsPerPage * pageNo
                + ") WHERE rownum_ > "
                + rowsPerPage * (pageNo - 1));
        supportPaging = true;
      } else if (dbManager
          .getConnection()
          .getMetaData()
          .getDatabaseProductName()
          .equalsIgnoreCase("DB2")) {
        String sql = buffer.toString();
        buffer.setLength(0);
        buffer.append("select * from ( select rownumber() over(");
        int orderByIndex = sql.toLowerCase().indexOf("order by");
        if (orderByIndex > 0) {
          buffer.append(sql.substring(orderByIndex));
        }
        buffer.append(") as rownumber_,");
        buffer.append(sql.substring(6));
        buffer.append(" ) as temp_ where rownumber_");
        buffer.append(
            " between " + (rowsPerPage * (pageNo - 1) + 1) + " and " + rowsPerPage * pageNo);
        supportPaging = true;
      }
    }
    if (true) {
      logger.debug(buffer.toString());
    }
    ResultSet resultSet = dbManager.executeQuery(buffer.toString());
    int count = 0;
    if (supportPaging == false && pageNo > 1) {
      dbManager.locate(resultSet, rowsPerPage * (pageNo - 1));
    }

    // 定义返回结果集合
    Collection collection = new ArrayList(rowsPerPage);
    LwTownIndicatorDto lwTownIndicatorDto = null;
    while (resultSet.next()) {
      if (supportPaging == false && pageNo > 0) {
        count++;
        if (count > rowsPerPage) {
          break;
        }
      }

      lwTownIndicatorDto = new LwTownIndicatorDto();
      lwTownIndicatorDto.setUserNo(dbManager.getString(resultSet, "UserNo"));
      lwTownIndicatorDto.setUserName(dbManager.getString(resultSet, "UserName"));
      lwTownIndicatorDto.setAddress(dbManager.getString(resultSet, "Address"));
      lwTownIndicatorDto.setReadDate(dbManager.getString(resultSet, "ReadDate"));
      lwTownIndicatorDto.setStatMonth(dbManager.getString(resultSet, "StatMonth"));
      lwTownIndicatorDto.setThisWorkNum(dbManager.getDouble(resultSet, "ThisWorkNum"));
      lwTownIndicatorDto.setMidWorkNum(dbManager.getDouble(resultSet, "MidWorkNum"));
      lwTownIndicatorDto.setLastWorkNum(dbManager.getDouble(resultSet, "LastWorkNum"));
      lwTownIndicatorDto.setRate(dbManager.getDouble(resultSet, "Rate"));
      lwTownIndicatorDto.setReadQuantity(dbManager.getDouble(resultSet, "ReadQuantity"));
      lwTownIndicatorDto.setExcepQuantity(dbManager.getDouble(resultSet, "ExcepQuantity"));
      lwTownIndicatorDto.setChgAmmeterQuantity(
          dbManager.getDouble(resultSet, "ChgAmmeterQuantity"));
      lwTownIndicatorDto.setCompensateQuantity(
          dbManager.getDouble(resultSet, "CompensateQuantity"));
      lwTownIndicatorDto.setAppendCalQuantity(dbManager.getLong(resultSet, "AppendCalQuantity"));
      lwTownIndicatorDto.setTranferLossQuantity(
          dbManager.getLong(resultSet, "TranferLossQuantity"));
      lwTownIndicatorDto.setPeoplePrice(dbManager.getDouble(resultSet, "PeoplePrice"));
      lwTownIndicatorDto.setNotPeoplePrice(dbManager.getDouble(resultSet, "NotPeoplePrice"));
      lwTownIndicatorDto.setFarmPrice(dbManager.getDouble(resultSet, "FarmPrice"));
      lwTownIndicatorDto.setProducePrice(dbManager.getDouble(resultSet, "ProducePrice"));
      lwTownIndicatorDto.setBusinessPrice(dbManager.getDouble(resultSet, "BusinessPrice"));
      lwTownIndicatorDto.setVoltlevel(dbManager.getInt(resultSet, "Voltlevel"));
      lwTownIndicatorDto.setIndustryPrice(dbManager.getDouble(resultSet, "IndustryPrice"));
      lwTownIndicatorDto.setValidStatus(dbManager.getString(resultSet, "ValidStatus"));
      lwTownIndicatorDto.setFlag(dbManager.getString(resultSet, "Flag"));
      lwTownIndicatorDto.setRemark(dbManager.getString(resultSet, "Remark"));
      lwTownIndicatorDto.setInputDate(dbManager.getString(resultSet, "InputDate"));
      collection.add(lwTownIndicatorDto);
    }
    resultSet.close();
    return collection;
  }
Пример #2
0
  /**
   * 按主键查找一条数据
   *
   * @param userNo 户号
   * @param statMonth 账期
   * @return LwTownIndicatorDto
   * @throws Exception
   */
  public LwTownIndicatorDto findByPrimaryKey(String userNo, String statMonth) throws Exception {
    StringBuffer buffer = new StringBuffer(200);
    // 拼SQL语句
    buffer.append("SELECT ");
    buffer.append("UserNo,");
    buffer.append("UserName,");
    buffer.append("Address,");
    buffer.append("ReadDate,");
    buffer.append("StatMonth,");
    buffer.append("ThisWorkNum,");
    buffer.append("MidWorkNum,");
    buffer.append("LastWorkNum,");
    buffer.append("Rate,");
    buffer.append("ReadQuantity,");
    buffer.append("ExcepQuantity,");
    buffer.append("ChgAmmeterQuantity,");
    buffer.append("CompensateQuantity,");
    buffer.append("AppendCalQuantity,");
    buffer.append("TranferLossQuantity,");
    buffer.append("PeoplePrice,");
    buffer.append("NotPeoplePrice,");
    buffer.append("FarmPrice,");
    buffer.append("ProducePrice,");
    buffer.append("BusinessPrice,");
    buffer.append("Voltlevel,");
    buffer.append("IndustryPrice,");
    buffer.append("ValidStatus,");
    buffer.append("Flag,");
    buffer.append("Remark,");
    buffer.append("InputDate ");
    buffer.append("FROM LwTownIndicator ");
    if (logger.isDebugEnabled()) {
      StringBuffer debugBuffer = new StringBuffer(buffer.length() * 4);
      debugBuffer.append(buffer.toString());
      debugBuffer.append("WHERE ");
      debugBuffer.append("UserNo=").append("'").append(userNo).append("' AND ");
      debugBuffer.append("StatMonth=").append("'").append(statMonth).append("'");
      logger.debug(debugBuffer.toString());
    }

    buffer.append("WHERE ");
    buffer.append("UserNo = ? And ");
    buffer.append("StatMonth = ?");

    dbManager.prepareStatement(buffer.toString());
    // 设置条件字段;
    dbManager.setString(1, userNo);
    dbManager.setString(2, statMonth);
    ResultSet resultSet = dbManager.executePreparedQuery();
    LwTownIndicatorDto lwTownIndicatorDto = null;
    if (resultSet.next()) {
      lwTownIndicatorDto = new LwTownIndicatorDto();
      lwTownIndicatorDto.setUserNo(dbManager.getString(resultSet, 1));
      lwTownIndicatorDto.setUserName(dbManager.getString(resultSet, 2));
      lwTownIndicatorDto.setAddress(dbManager.getString(resultSet, 3));
      lwTownIndicatorDto.setReadDate(dbManager.getString(resultSet, 4));
      lwTownIndicatorDto.setStatMonth(dbManager.getString(resultSet, 5));
      lwTownIndicatorDto.setThisWorkNum(dbManager.getDouble(resultSet, 6));
      lwTownIndicatorDto.setMidWorkNum(dbManager.getDouble(resultSet, 7));
      lwTownIndicatorDto.setLastWorkNum(dbManager.getDouble(resultSet, 8));
      lwTownIndicatorDto.setRate(dbManager.getDouble(resultSet, 9));
      lwTownIndicatorDto.setReadQuantity(dbManager.getDouble(resultSet, 10));
      lwTownIndicatorDto.setExcepQuantity(dbManager.getDouble(resultSet, 11));
      lwTownIndicatorDto.setChgAmmeterQuantity(dbManager.getDouble(resultSet, 12));
      lwTownIndicatorDto.setCompensateQuantity(dbManager.getDouble(resultSet, 13));
      lwTownIndicatorDto.setAppendCalQuantity(dbManager.getLong(resultSet, 14));
      lwTownIndicatorDto.setTranferLossQuantity(dbManager.getLong(resultSet, 15));
      lwTownIndicatorDto.setPeoplePrice(dbManager.getDouble(resultSet, 16));
      lwTownIndicatorDto.setNotPeoplePrice(dbManager.getDouble(resultSet, 17));
      lwTownIndicatorDto.setFarmPrice(dbManager.getDouble(resultSet, 18));
      lwTownIndicatorDto.setProducePrice(dbManager.getDouble(resultSet, 19));
      lwTownIndicatorDto.setBusinessPrice(dbManager.getDouble(resultSet, 20));
      lwTownIndicatorDto.setVoltlevel(dbManager.getInt(resultSet, 21));
      lwTownIndicatorDto.setIndustryPrice(dbManager.getDouble(resultSet, 22));
      lwTownIndicatorDto.setValidStatus(dbManager.getString(resultSet, 23));
      lwTownIndicatorDto.setFlag(dbManager.getString(resultSet, 24));
      lwTownIndicatorDto.setRemark(dbManager.getString(resultSet, 25));
      lwTownIndicatorDto.setInputDate(dbManager.getString(resultSet, 26));
    }
    resultSet.close();
    return lwTownIndicatorDto;
  }