/** * 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; }
/** * 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; }