下面是我的输入XML。这里，每个X_DLV_TAB_ITEM都具有多个RL_DETAILS，这些RL_DETAILS_ITEM也具有多个RL。每个RL_DETAILS_ITEM都包含SOURCE_HEADER_NUMBER。
我的要求是，如果两个或多个X_DLV_TAB_ITEM的SOURCE_HEADER_NUMBER相同，则只应创建X_DLV_TAB_ITEM，其中将包含第一个X_DLV-TAB_ITEM以及其他X_DLV_TAB_ITEM的所有RL_DETAILS_ITEM。
<X_DLV_TAB>
<X_DLV_TAB_ITEM>
<TRANSACTION_CODE>RC</TRANSACTION_CODE>
<DELIVERY_ID>46689763</DELIVERY_ID>
<NAME>46689763</NAME>
<FREIGHT_TERMS xsi:nil="true"></FREIGHT_TERMS>
<FOB_CODE xsi:nil="true"></FOB_CODE>
<CARRIER_ID xsi:nil="true"></CARRIER_ID>
<SERVICE_LEVEL xsi:nil="true"></SERVICE_LEVEL>
<MODE_OF_TRANSPORT xsi:nil="true"></MODE_OF_TRANSPORT>
<INITIAL_PICKUP_LOCATION_ID>ORG-142-197</INITIAL_PICKUP_LOCATION_ID>
<ULTIMATE_DROPOFF_LOCATION_ID>CUS-44964-757828</ULTIMATE_DROPOFF_LOCATION_ID>
<EARLIEST_PICKUP_DATE>2013-07-07T00:01:00.000-04:00</EARLIEST_PICKUP_DATE>
<LATEST_PICKUP_DATE>2013-07-07T03:40:20.000-04:00</LATEST_PICKUP_DATE>
<EARLIEST_DROPOFF_DATE xsi:nil="true"></EARLIEST_DROPOFF_DATE>
<LATEST_DROPOFF_DATE xsi:nil="true"></LATEST_DROPOFF_DATE>
<GROSS_WEIGHT>16.28333</GROSS_WEIGHT>
<WEIGHT_UOM_CODE>LB</WEIGHT_UOM_CODE>
<VOLUME>0.32</VOLUME>
<VOLUME_UOM_CODE>CF</VOLUME_UOM_CODE>
<NET_WEIGHT>16.28333</NET_WEIGHT>
<REVISION>2</REVISION>
<REASON_OF_TRANSPORT xsi:nil="true"></REASON_OF_TRANSPORT>
<DESCRIPTION xsi:nil="true"></DESCRIPTION>
<ADDITIONAL_SHIPMENT_INFO xsi:nil="true"></ADDITIONAL_SHIPMENT_INFO>
<ROUTING_INSTRUCTIONS xsi:nil="true"></ROUTING_INSTRUCTIONS>
<TOTAL_ITEM_COUNT>8</TOTAL_ITEM_COUNT>
<REVISION_QLFR>REVNUM</REVISION_QLFR>
<REASON_OF_TRANSPORT_QLFR>TRSP_REASON</REASON_OF_TRANSPORT_QLFR>
<DESCRIPTION_QLFR>DEL_DESCRIPTION</DESCRIPTION_QLFR>
<ADDITIONAL_SHIPMENT_INFO_QLFR>ADD_INFOS</ADDITIONAL_SHIPMENT_INFO_QLFR>
<ROUTING_INSTRUCTIONS_QLFR>ROUTING_INSTR</ROUTING_INSTRUCTIONS_QLFR>
<RL_DETAILS>
<RL_DETAILS_ITEM>
<DELIVERY_DETAIL_ID>14460996</DELIVERY_DETAIL_ID>
<LOT_NUMBER xsi:nil="true"></LOT_NUMBER>
<SERIAL_NUMBER xsi:nil="true"></SERIAL_NUMBER>
<TO_SERIAL_NUMBER xsi:nil="true"></TO_SERIAL_NUMBER>
<GROSS_WEIGHT>11</GROSS_WEIGHT>
<WEIGHT_UOM_CODE>LB</WEIGHT_UOM_CODE>
<VOLUME>0.2</VOLUME>
<VOLUME_UOM_CODE>CF</VOLUME_UOM_CODE>
<REQUESTED_QUANTITY>5</REQUESTED_QUANTITY>
<SHIPPED_QUANTITY xsi:nil="true"></SHIPPED_QUANTITY>
<INVENTORY_ITEM_ID>142-12386</INVENTORY_ITEM_ID>
<CONTAINER_FLAG>N</CONTAINER_FLAG>
<PARENT_DELIVERY_DETAIL_ID xsi:nil="true"></PARENT_DELIVERY_DETAIL_ID>
<CUST_PO_NUMBER>Elwood.Retail.VJ04</CUST_PO_NUMBER>
<SOURCE_HEADER_NUMBER>5405823</SOURCE_HEADER_NUMBER>
<CUST_PO_NUMBER_QLFR>CUST_PO</CUST_PO_NUMBER_QLFR>
<SOURCE_HEADER_NUMBER_QLFR>SO_NUM</SOURCE_HEADER_NUMBER_QLFR>
<DELIVERY_ID>46689763</DELIVERY_ID>
<NET_WEIGHT>11</NET_WEIGHT>
</RL_DETAILS_ITEM>
<RL_DETAILS_ITEM>
<DELIVERY_DETAIL_ID>14460997</DELIVERY_DETAIL_ID>
<LOT_NUMBER xsi:nil="true"></LOT_NUMBER>
<SERIAL_NUMBER xsi:nil="true"></SERIAL_NUMBER>
<TO_SERIAL_NUMBER xsi:nil="true"></TO_SERIAL_NUMBER>
<GROSS_WEIGHT>5.28333</GROSS_WEIGHT>
<WEIGHT_UOM_CODE>LB</WEIGHT_UOM_CODE>
<VOLUME>0.12</VOLUME>
<VOLUME_UOM_CODE>CF</VOLUME_UOM_CODE>
<REQUESTED_QUANTITY>3</REQUESTED_QUANTITY>
<SHIPPED_QUANTITY xsi:nil="true"></SHIPPED_QUANTITY>
<INVENTORY_ITEM_ID>142-12383</INVENTORY_ITEM_ID>
<CONTAINER_FLAG>N</CONTAINER_FLAG>
<PARENT_DELIVERY_DETAIL_ID xsi:nil="true"></PARENT_DELIVERY_DETAIL_ID>
<CUST_PO_NUMBER>Elwood.Retail.VJ04</CUST_PO_NUMBER>
<SOURCE_HEADER_NUMBER>4</SOURCE_HEADER_NUMBER>
<CUST_PO_NUMBER_QLFR>CUST_PO</CUST_PO_NUMBER_QLFR>
<SOURCE_HEADER_NUMBER_QLFR>SO_NUM</SOURCE_HEADER_NUMBER_QLFR>
<DELIVERY_ID>46689763</DELIVERY_ID>
<NET_WEIGHT>5.28333</NET_WEIGHT>
</RL_DETAILS_ITEM>
</RL_DETAILS>
<LPN>
<LPN_ITEM>
<LPN_ID>14460996</LPN_ID>
<LPN_TYPE xsi:nil="true"></LPN_TYPE>
<GROSS_WEIGHT>11</GROSS_WEIGHT>
<NET_WEIGHT>11</NET_WEIGHT>
<WEIGHT_UOM_CODE>LB</WEIGHT_UOM_CODE>
<VOLUME_UOM_CODE>CF</VOLUME_UOM_CODE>
<SEAL_CODE xsi:nil="true"></SEAL_CODE>
<PACKED_ITEMS>
<PACKED_ITEMS_ITEM>
<CONTENT_ID>14460996</CONTENT_ID>
<LINE_NUMBER>1</LINE_NUMBER>
<ITEM_REF>142-12386</ITEM_REF>
<ITEM_QUANTITY>5</ITEM_QUANTITY>
<SHIP_UNIT_GID>14460996</SHIP_UNIT_GID>
<DELIVERY_ID>46689763</DELIVERY_ID>
<GROSS_WEIGHT>11</GROSS_WEIGHT>
<NET_WEIGHT>11</NET_WEIGHT>
<WEIGHT_UOM_CODE>LB</WEIGHT_UOM_CODE>
<VOLUME>0.2</VOLUME>
<VOLUME_UOM_CODE>CF</VOLUME_UOM_CODE>
</PACKED_ITEMS_ITEM>
</PACKED_ITEMS>
<PARENT_DELIVERY_DETAIL_ID xsi:nil="true"></PARENT_DELIVERY_DETAIL_ID>
<CONTAINER_TYPE_CODE xsi:nil="true"></CONTAINER_TYPE_CODE>
<UNIT_LENGTH>2.75</UNIT_LENGTH>
<UNIT_HEIGHT>9.9</UNIT_HEIGHT>
<UNIT_WIDTH>2.75</UNIT_WIDTH>
<DIMENSION_UM_CODE>IN</DIMENSION_UM_CODE>
<VOLUME>0.2</VOLUME>
<EQUIPMENT_XID xsi:nil="true"></EQUIPMENT_XID>
</LPN_ITEM>
<LPN_ITEM>
<LPN_ID>14460997</LPN_ID>
<LPN_TYPE xsi:nil="true"></LPN_TYPE>
<GROSS_WEIGHT>5.28333</GROSS_WEIGHT>
<NET_WEIGHT>5.28333</NET_WEIGHT>
<WEIGHT_UOM_CODE>LB</WEIGHT_UOM_CODE>
<VOLUME_UOM_CODE>CF</VOLUME_UOM_CODE>
<SEAL_CODE xsi:nil="true"></SEAL_CODE>
<PACKED_ITEMS>
<PACKED_ITEMS_ITEM>
<CONTENT_ID>14460997</CONTENT_ID>
<LINE_NUMBER>1</LINE_NUMBER>
<ITEM_REF>142-12383</ITEM_REF>
<ITEM_QUANTITY>3</ITEM_QUANTITY>
<SHIP_UNIT_GID>14460997</SHIP_UNIT_GID>
<DELIVERY_ID>46689763</DELIVERY_ID>
<GROSS_WEIGHT>5.28333</GROSS_WEIGHT>
<NET_WEIGHT>5.28333</NET_WEIGHT>
<WEIGHT_UOM_CODE>LB</WEIGHT_UOM_CODE>
<VOLUME>0.12</VOLUME>
<VOLUME_UOM_CODE>CF</VOLUME_UOM_CODE>
</PACKED_ITEMS_ITEM>
</PACKED_ITEMS>
<PARENT_DELIVERY_DETAIL_ID xsi:nil="true"></PARENT_DELIVERY_DETAIL_ID>
<CONTAINER_TYPE_CODE xsi:nil="true"></CONTAINER_TYPE_CODE>
<UNIT_LENGTH>2.75</UNIT_LENGTH>
<UNIT_HEIGHT>9.9</UNIT_HEIGHT>
<UNIT_WIDTH>2.75</UNIT_WIDTH>
<DIMENSION_UM_CODE>IN</DIMENSION_UM_CODE>
<VOLUME>0.12</VOLUME>
<EQUIPMENT_XID xsi:nil="true"></EQUIPMENT_XID>
</LPN_ITEM>
</LPN>
</X_DLV_TAB_ITEM>
<X_DLV_TAB_ITEM>
<TRANSACTION_CODE>RC</TRANSACTION_CODE>
<DELIVERY_ID>46689764</DELIVERY_ID>
<NAME>46689764</NAME>
<FREIGHT_TERMS xsi:nil="true"></FREIGHT_TERMS>
<FOB_CODE xsi:nil="true"></FOB_CODE>
<CARRIER_ID xsi:nil="true"></CARRIER_ID>
<SERVICE_LEVEL xsi:nil="true"></SERVICE_LEVEL>
<MODE_OF_TRANSPORT xsi:nil="true"></MODE_OF_TRANSPORT>
<INITIAL_PICKUP_LOCATION_ID>ORG-143-192</INITIAL_PICKUP_LOCATION_ID>
<ULTIMATE_DROPOFF_LOCATION_ID>CUS-44964-757828</ULTIMATE_DROPOFF_LOCATION_ID>
<EARLIEST_PICKUP_DATE>2013-07-07T00:01:00.000-04:00</EARLIEST_PICKUP_DATE>
<LATEST_PICKUP_DATE>2013-07-07T00:01:00.000-04:00</LATEST_PICKUP_DATE>
<EARLIEST_DROPOFF_DATE xsi:nil="true"></EARLIEST_DROPOFF_DATE>
<LATEST_DROPOFF_DATE xsi:nil="true"></LATEST_DROPOFF_DATE>
<GROSS_WEIGHT>77.0111</GROSS_WEIGHT>
<WEIGHT_UOM_CODE>LB</WEIGHT_UOM_CODE>
<VOLUME>1.48</VOLUME>
<VOLUME_UOM_CODE>CF</VOLUME_UOM_CODE>
<NET_WEIGHT>77.0111</NET_WEIGHT>
<REVISION>2</REVISION>
<REASON_OF_TRANSPORT xsi:nil="true"></REASON_OF_TRANSPORT>
<DESCRIPTION xsi:nil="true"></DESCRIPTION>
<ADDITIONAL_SHIPMENT_INFO xsi:nil="true"></ADDITIONAL_SHIPMENT_INFO>
<ROUTING_INSTRUCTIONS xsi:nil="true"></ROUTING_INSTRUCTIONS>
<TOTAL_ITEM_COUNT>37</TOTAL_ITEM_COUNT>
<REVISION_QLFR>REVNUM</REVISION_QLFR>
<REASON_OF_TRANSPORT_QLFR>TRSP_REASON</REASON_OF_TRANSPORT_QLFR>
<DESCRIPTION_QLFR>DEL_DESCRIPTION</DESCRIPTION_QLFR>
<ADDITIONAL_SHIPMENT_INFO_QLFR>ADD_INFOS</ADDITIONAL_SHIPMENT_INFO_QLFR>
<ROUTING_INSTRUCTIONS_QLFR>ROUTING_INSTR</ROUTING_INSTRUCTIONS_QLFR>
<RL_DETAILS>
<RL_DETAILS_ITEM>
<DELIVERY_DETAIL_ID>14460993</DELIVERY_DETAIL_ID>
<LOT_NUMBER xsi:nil="true"></LOT_NUMBER>
<SERIAL_NUMBER xsi:nil="true"></SERIAL_NUMBER>
<TO_SERIAL_NUMBER xsi:nil="true"></TO_SERIAL_NUMBER>
<GROSS_WEIGHT>17.6111</GROSS_WEIGHT>
<WEIGHT_UOM_CODE>LB</WEIGHT_UOM_CODE>
<VOLUME>0.4</VOLUME>
<VOLUME_UOM_CODE>CF</VOLUME_UOM_CODE>
<REQUESTED_QUANTITY>10</REQUESTED_QUANTITY>
<SHIPPED_QUANTITY xsi:nil="true"></SHIPPED_QUANTITY>
<INVENTORY_ITEM_ID>143-12383</INVENTORY_ITEM_ID>
<CONTAINER_FLAG>N</CONTAINER_FLAG>
<PARENT_DELIVERY_DETAIL_ID xsi:nil="true"></PARENT_DELIVERY_DETAIL_ID>
<CUST_PO_NUMBER>VJ04</CUST_PO_NUMBER>
<SOURCE_HEADER_NUMBER>5405823</SOURCE_HEADER_NUMBER>
<CUST_PO_NUMBER_QLFR>CUST_PO</CUST_PO_NUMBER_QLFR>
<SOURCE_HEADER_NUMBER_QLFR>SO_NUM</SOURCE_HEADER_NUMBER_QLFR>
<DELIVERY_ID>46689764</DELIVERY_ID>
<NET_WEIGHT>17.6111</NET_WEIGHT>
</RL_DETAILS_ITEM>
<RL_DETAILS_ITEM>
<DELIVERY_DETAIL_ID>14460994</DELIVERY_DETAIL_ID>
<LOT_NUMBER xsi:nil="true"></LOT_NUMBER>
<SERIAL_NUMBER xsi:nil="true"></SERIAL_NUMBER>
<TO_SERIAL_NUMBER xsi:nil="true"></TO_SERIAL_NUMBER>
<GROSS_WEIGHT>33</GROSS_WEIGHT>
<WEIGHT_UOM_CODE>LB</WEIGHT_UOM_CODE>
<VOLUME>0.6</VOLUME>
<VOLUME_UOM_CODE>CF</VOLUME_UOM_CODE>
<REQUESTED_QUANTITY>15</REQUESTED_QUANTITY>
<SHIPPED_QUANTITY xsi:nil="true"></SHIPPED_QUANTITY>
<INVENTORY_ITEM_ID>143-12384</INVENTORY_ITEM_ID>
<CONTAINER_FLAG>N</CONTAINER_FLAG>
<PARENT_DELIVERY_DETAIL_ID xsi:nil="true"></PARENT_DELIVERY_DETAIL_ID>
<CUST_PO_NUMBER>Elwood.Retail.VJ04</CUST_PO_NUMBER>
<SOURCE_HEADER_NUMBER>5405823</SOURCE_HEADER_NUMBER>
<CUST_PO_NUMBER_QLFR>CUST_PO</CUST_PO_NUMBER_QLFR>
<SOURCE_HEADER_NUMBER_QLFR>SO_NUM</SOURCE_HEADER_NUMBER_QLFR>
<DELIVERY_ID>46689764</DELIVERY_ID>
<NET_WEIGHT>33</NET_WEIGHT>
</RL_DETAILS_ITEM>
<RL_DETAILS_ITEM>
<DELIVERY_DETAIL_ID>14460995</DELIVERY_DETAIL_ID>
<LOT_NUMBER xsi:nil="true"></LOT_NUMBER>
<SERIAL_NUMBER xsi:nil="true"></SERIAL_NUMBER>
<TO_SERIAL_NUMBER xsi:nil="true"></TO_SERIAL_NUMBER>
<GROSS_WEIGHT>26.4</GROSS_WEIGHT>
<WEIGHT_UOM_CODE>LB</WEIGHT_UOM_CODE>
<VOLUME>0.48</VOLUME>
<VOLUME_UOM_CODE>CF</VOLUME_UOM_CODE>
<REQUESTED_QUANTITY>12</REQUESTED_QUANTITY>
<SHIPPED_QUANTITY xsi:nil="true"></SHIPPED_QUANTITY>
<INVENTORY_ITEM_ID>143-12386</INVENTORY_ITEM_ID>
<CONTAINER_FLAG>N</CONTAINER_FLAG>
<PARENT_DELIVERY_DETAIL_ID xsi:nil="true"></PARENT_DELIVERY_DETAIL_ID>
<CUST_PO_NUMBER>Elwood.Retail.VJ04</CUST_PO_NUMBER>
<SOURCE_HEADER_NUMBER>5405823</SOURCE_HEADER_NUMBER>
<CUST_PO_NUMBER_QLFR>CUST_PO</CUST_PO_NUMBER_QLFR>
<SOURCE_HEADER_NUMBER_QLFR>SO_NUM</SOURCE_HEADER_NUMBER_QLFR>
<DELIVERY_ID>46689764</DELIVERY_ID>
<NET_WEIGHT>26.4</NET_WEIGHT>
</RL_DETAILS_ITEM>
</RL_DETAILS>
<LPN>
<LPN_ITEM>
<LPN_ID>14460993</LPN_ID>
<LPN_TYPE xsi:nil="true"></LPN_TYPE>
<GROSS_WEIGHT>17.6111</GROSS_WEIGHT>
<NET_WEIGHT>17.6111</NET_WEIGHT>
<WEIGHT_UOM_CODE>LB</WEIGHT_UOM_CODE>
<VOLUME_UOM_CODE>CF</VOLUME_UOM_CODE>
<SEAL_CODE xsi:nil="true"></SEAL_CODE>
<PACKED_ITEMS>
<PACKED_ITEMS_ITEM>
<CONTENT_ID>14460993</CONTENT_ID>
<LINE_NUMBER>1</LINE_NUMBER>
<ITEM_REF>143-12383</ITEM_REF>
<ITEM_QUANTITY>10</ITEM_QUANTITY>
<SHIP_UNIT_GID>14460993</SHIP_UNIT_GID>
<DELIVERY_ID>46689764</DELIVERY_ID>
<GROSS_WEIGHT>17.6111</GROSS_WEIGHT>
<NET_WEIGHT>17.6111</NET_WEIGHT>
<WEIGHT_UOM_CODE>LB</WEIGHT_UOM_CODE>
<VOLUME>0.4</VOLUME>
<VOLUME_UOM_CODE>CF</VOLUME_UOM_CODE>
</PACKED_ITEMS_ITEM>
</PACKED_ITEMS>
<PARENT_DELIVERY_DETAIL_ID xsi:nil="true"></PARENT_DELIVERY_DETAIL_ID>
<CONTAINER_TYPE_CODE xsi:nil="true"></CONTAINER_TYPE_CODE>
<UNIT_LENGTH>2.75</UNIT_LENGTH>
<UNIT_HEIGHT>9.9</UNIT_HEIGHT>
<UNIT_WIDTH>2.75</UNIT_WIDTH>
<DIMENSION_UM_CODE>IN</DIMENSION_UM_CODE>
<VOLUME>0.4</VOLUME>
<EQUIPMENT_XID xsi:nil="true"></EQUIPMENT_XID>
</LPN_ITEM>
<LPN_ITEM>
<LPN_ID>14460994</LPN_ID>
<LPN_TYPE xsi:nil="true"></LPN_TYPE>
<GROSS_WEIGHT>33</GROSS_WEIGHT>
<NET_WEIGHT>33</NET_WEIGHT>
<WEIGHT_UOM_CODE>LB</WEIGHT_UOM_CODE>
<VOLUME_UOM_CODE>CF</VOLUME_UOM_CODE>
<SEAL_CODE xsi:nil="true"></SEAL_CODE>
<PACKED_ITEMS>
<PACKED_ITEMS_ITEM>
<CONTENT_ID>14460994</CONTENT_ID>
<LINE_NUMBER>1</LINE_NUMBER>
<ITEM_REF>143-12384</ITEM_REF>
<ITEM_QUANTITY>15</ITEM_QUANTITY>
<SHIP_UNIT_GID>14460994</SHIP_UNIT_GID>
<DELIVERY_ID>46689764</DELIVERY_ID>
<GROSS_WEIGHT>33</GROSS_WEIGHT>
<NET_WEIGHT>33</NET_WEIGHT>
<WEIGHT_UOM_CODE>LB</WEIGHT_UOM_CODE>
<VOLUME>0.6</VOLUME>
<VOLUME_UOM_CODE>CF</VOLUME_UOM_CODE>
</PACKED_ITEMS_ITEM>
</PACKED_ITEMS>
<PARENT_DELIVERY_DETAIL_ID xsi:nil="true"></PARENT_DELIVERY_DETAIL_ID>
<CONTAINER_TYPE_CODE xsi:nil="true"></CONTAINER_TYPE_CODE>
<UNIT_LENGTH>2.75</UNIT_LENGTH>
<UNIT_HEIGHT>9.9</UNIT_HEIGHT>
<UNIT_WIDTH>2.75</UNIT_WIDTH>
<DIMENSION_UM_CODE>IN</DIMENSION_UM_CODE>
<VOLUME>0.6</VOLUME>
<EQUIPMENT_XID xsi:nil="true"></EQUIPMENT_XID>
</LPN_ITEM>
<LPN_ITEM>
<LPN_ID>14460995</LPN_ID>
<LPN_TYPE xsi:nil="true"></LPN_TYPE>
<GROSS_WEIGHT>26.4</GROSS_WEIGHT>
<NET_WEIGHT>26.4</NET_WEIGHT>
<WEIGHT_UOM_CODE>LB</WEIGHT_UOM_CODE>
<VOLUME_UOM_CODE>CF</VOLUME_UOM_CODE>
<SEAL_CODE xsi:nil="true"></SEAL_CODE>
<PACKED_ITEMS>
<PACKED_ITEMS_ITEM>
<CONTENT_ID>14460995</CONTENT_ID>
<LINE_NUMBER>1</LINE_NUMBER>
<ITEM_REF>143-12386</ITEM_REF>
<ITEM_QUANTITY>12</ITEM_QUANTITY>
<SHIP_UNIT_GID>14460995</SHIP_UNIT_GID>
<DELIVERY_ID>46689764</DELIVERY_ID>
<GROSS_WEIGHT>26.4</GROSS_WEIGHT>
<NET_WEIGHT>26.4</NET_WEIGHT>
<WEIGHT_UOM_CODE>LB</WEIGHT_UOM_CODE>
<VOLUME>0.48</VOLUME>
<VOLUME_UOM_CODE>CF</VOLUME_UOM_CODE>
</PACKED_ITEMS_ITEM>
</PACKED_ITEMS>
<PARENT_DELIVERY_DETAIL_ID xsi:nil="true"></PARENT_DELIVERY_DETAIL_ID>
<CONTAINER_TYPE_CODE xsi:nil="true"></CONTAINER_TYPE_CODE>
<UNIT_LENGTH>2.75</UNIT_LENGTH>
<UNIT_HEIGHT>9.9</UNIT_HEIGHT>
<UNIT_WIDTH>2.75</UNIT_WIDTH>
<DIMENSION_UM_CODE>IN</DIMENSION_UM_CODE>
<VOLUME>0.48</VOLUME>
<EQUIPMENT_XID xsi:nil="true"></EQUIPMENT_XID>
</LPN_ITEM>
</LPN>
</X_DLV_TAB_ITEM>
</X_DLV_TAB>
请帮帮我，我一直在努力解决这个问题。P.S：我使用的是XSLT1.0
谢谢AJ
钥匙是你强大的朋友：
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<!-- key over all first X_DLV_TAB_ITEM by source -->
<xsl:key name="first_of_source" match="X_DLV_TAB/X_DLV_TAB_ITEM[not(preceding-sibling::X_DLV_TAB_ITEM/RL_DETAILS/RL_DETAILS_ITEM/SOURCE_HEADER_NUMBER = RL_DETAILS/RL_DETAILS_ITEM/SOURCE_HEADER_NUMBER)]" use="RL_DETAILS/RL_DETAILS_ITEM/SOURCE_HEADER_NUMBER"/>
<!-- key over all RL_DETAILS by source -->
<xsl:key name="same_source" match="X_DLV_TAB/X_DLV_TAB_ITEM/RL_DETAILS" use="RL_DETAILS_ITEM/SOURCE_HEADER_NUMBER"/>
<!-- just copy all nodes by default -->
<xsl:template match="@* | node()">
<xsl:copy>
<xsl:apply-templates select="@* | node()"/>
</xsl:copy>
</xsl:template>
<!-- process only the first tab item with a specific source -->
<xsl:template match="X_DLV_TAB">
<xsl:copy>
<xsl:apply-templates select="key('first_of_source', X_DLV_TAB_ITEM/RL_DETAILS/RL_DETAILS_ITEM/SOURCE_HEADER_NUMBER)"/>
</xsl:copy>
</xsl:template>
<!-- process details with all detail items having the same source -->
<xsl:template match="RL_DETAILS">
<xsl:copy>
<xsl:apply-templates select="key('same_source', RL_DETAILS_ITEM/SOURCE_HEADER_NUMBER)/RL_DETAILS_ITEM"/>
</xsl:copy>
</xsl:template>
</xsl:stylesheet>