我需要查找标记<RouteNodeElementTypeCode>的值。如果找到所需的值，则需要从该组中提取某些值。下面是输入xml
可以有<ROW></ROW>个任意数量的块。我试图遍历每个块。但<ROW>块的数量是动态的。对此有任何帮助
<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<soap:Envelope xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<soap:Body>
<ReadResponse xmlns="http://jerseytelecom.com/">
<ReadResult>
<ISD_XMLGateway xmlns="">
<Entity>NGN_LPI</Entity>
<Params>
<Param Name="ResponseCode" Value="0"></Param>
<Param Name="ResponseText" Value="OK"></Param>
<Param Name="Response" Value="NGN_LPI_Response">
<NGN_LPI>
<Response>
<Table>
<Row>
<RouteRecordID>1525571</RouteRecordID>
<LineTypeID>100010</LineTypeID>
<RouteNodeElementID>12066107</RouteNodeElementID>
<RouteNodeElementPosition>329</RouteNodeElementPosition>
<RouteNodeElementBlock>W </RouteNodeElementBlock>
<RouteNodeID>277110</RouteNodeID>
<RouteNodeElementTypeCode>MDF</RouteNodeElementTypeCode>
<Circuit>743980</Circuit>
<Suffix>0</Suffix>
<SortOrder>0</SortOrder>
<RouteNodeElementTypeID>2</RouteNodeElementTypeID>
<RouteOrder>1</RouteOrder>
<NodeID>MDF-S </NodeID>
<ParentNodeTypeID>2</ParentNodeTypeID>
<StatusID>1</StatusID>
<RouteStatusID>1</RouteStatusID>
<ProcessorID></ProcessorID>
<ExchangeID>4</ExchangeID>
<SchemeID></SchemeID>
<SchemeNumber></SchemeNumber>
<RouteConditionID>1</RouteConditionID>
<Spare>False</Spare>
<DesignationID>0</DesignationID>
<Organisation></Organisation>
<AddressLine1>LE CLOS, MAUDELINE ESTATE</AddressLine1>
<AddressLine2>LA ROUTE ORANGE</AddressLine2>
<AddressLine3>ON FIBRE</AddressLine3>
<AddressLine4>St Brélade </AddressLine4>
<AddressLine5>Jersey</AddressLine5>
<PostCode>JE3 8GT</PostCode>
<AddressID>188916</AddressID>
<CustomerID></CustomerID>
<CustomerOrganisation></CustomerOrganisation>
<Title></Title>
<Forename></Forename>
<Surname></Surname>
<CircuitID>501199</CircuitID>
<CableID>300649</CableID>
<CableIDIn>0</CableIDIn>
<DASS>False</DASS>
<RouteTypeID>1</RouteTypeID>
<ChildNodeID></ChildNodeID>
<ChildExchangeID>0</ChildExchangeID>
<ChildRouteNodeElementTypeID>0</ChildRouteNodeElementTypeID>
<ChildNodeTypeID>0</ChildNodeTypeID>
<CAMIVPositionID>0</CAMIVPositionID>
<MDFSuiteID></MDFSuiteID>
<MDFModuleID></MDFModuleID>
<ModuleNumber></ModuleNumber>
<Shelf></Shelf>
<Slot></Slot>
<Position></Position>
<SuiteName></SuiteName>
<TiePairID>0</TiePairID>
<LCT>0</LCT>
<ConnectionStatusID>2</ConnectionStatusID>
<CeaseDate>01/01/2001 00:00:00</CeaseDate>
<FaultTypeID>0</FaultTypeID>
<CAMIVPositionIDOut>0</CAMIVPositionIDOut>
<MDFSuiteIDOut></MDFSuiteIDOut>
<MDFModuleIDOut></MDFModuleIDOut>
<ModuleNumberOut></ModuleNumberOut>
<ShelfOut></ShelfOut>
<SlotOut></SlotOut>
<PositionOut></PositionOut>
<SuiteNameOut></SuiteNameOut>
<CableNodeIDOut>80762</CableNodeIDOut>
<LoopResistanceOut>82.620002746582</LoopResistanceOut>
<DBLossOut>0.583200037479401</DBLossOut>
<PairCountOut>400</PairCountOut>
<FaultyPairCountOut>8</FaultyPairCountOut>
<CurrentPairUsageOut>400</CurrentPairUsageOut>
<CableNodeIDIn></CableNodeIDIn>
<LoopResistanceIn></LoopResistanceIn>
<DBLossIn></DBLossIn>
<PairCountIn></PairCountIn>
<FaultyPairCountIn></FaultyPairCountIn>
<CurrentPairUsageIn></CurrentPairUsageIn>
<HouseNumber></HouseNumber>
<WorkflowPending>False</WorkflowPending>
<OrderNumber>3540497</OrderNumber>
<EquipmentTypeID>0</EquipmentTypeID>
<StrowgerVertIn></StrowgerVertIn>
<StrowgerVertOut></StrowgerVertOut>
<JobListID>0</JobListID>
<ShortCircuit>743980</ShortCircuit>
<CablePair>0</CablePair>
<FibreModule>0</FibreModule>
<FibreShelf>0</FibreShelf>
<SchemeStatusID></SchemeStatusID>
<ABSDSB>0</ABSDSB>
<RequiredDate>14/09/2012 08:25:05</RequiredDate>
<ParentExchangeID>4</ParentExchangeID>
<ElementExchangeID>4</ElementExchangeID>
</Row>
</Table>
</Response>
<ResponseCode>0</ResponseCode>
<ResponseText>Ok</ResponseText>
</NGN_LPI>
</Param>
</Params>
</ISD_XMLGateway>
</ReadResult>
</ReadResponse>
</soap:Body>
</soap:Envelope>