我有以下XML,我想处理它,这样我就不会在结果集中得到重复。我简单的问题,使其更容易理解。也如何我可以使用一个模板的结果作为输入的一部分为另一?

此:

<LINES xmlns:set="http://exslt.org/sets">
  <STDINSTRSEQ>0</STDINSTRSEQ>
  <STDINSTRSEQ>1</STDINSTRSEQ>
  <STDINSTRSEQ>2</STDINSTRSEQ>
</LINES>

是所期望的结果。 <STDINSTRSEQ>是应被视为关键的字段的名称。我在这里提供的示例数据。

<PURCHASEORDER>
  <POHEADER>
    <BODID>infor-nid:Elevon:SCMCS::12654_0198617S12 000 000:?&amp;verb=</BODID>
    <VERB></VERB>
    <TenantId>Elevon</TenantId>
    <ToLogicalId>lid://default</ToLogicalId>
    <FromLogicalId>lid://snipesm@mcsk12.net</FromLogicalId>
    <FromPartyId>snipesm@mcsk12.net</FromPartyId>
    <AccountingEntityId>SCMCS</AccountingEntityId>
    <ActionCode></ActionCode>
    <MessageId>lid://snipesm@mcsk12.net:1267198551845:4</MessageId>
    <UserId></UserId>
    <CurrentDateTime>2010-02-26T09:35:51Z</CurrentDateTime>
    <CTLENTYID>MCS</CTLENTYID>
    <VCKVAL>12654</VCKVAL>
    <POKVAL>0198617S12 000 000</POKVAL>
    <PCKVAL>000017</PCKVAL>
    <PODT>2005-03-16</PODT>
    <POREQDT>2005-06-30</POREQDT>
    <POQTEDT>2005-03-08</POQTEDT>
    <REQUISITIONNO>1103025T12 000 000</REQUISITIONNO>
    <REQHDATE></REQHDATE>
    <REQLDATE>2004-10-26</REQLDATE>
    <MTLREQDT></MTLREQDT>
    <RQSTRLONGNM></RQSTRLONGNM>
    <POCLASSOFORDCD>S</POCLASSOFORDCD>
    <SNGLDISTACKVAL></SNGLDISTACKVAL>
    <DISTACKVAL></DISTACKVAL>
    <CREATEDT>2005-03-16</CREATEDT>
    <POPROMDT></POPROMDT>
    <RORDDT></RORDDT>
    <RQSTRID>TEL</RQSTRID>
    <TAXCDREF></TAXCDREF>
    <DFLTDLVYLOCCD>407-P</DFLTDLVYLOCCD>
    <POGROSSAMT>1.00</POGROSSAMT>
    <SHIPPOINTNM></SHIPPOINTNM>
    <CRNCYCD>USD</CRNCYCD>
    <ORDVNDRCTACTID></ORDVNDRCTACTID>
    <LINEAMTTOT>0.00</LINEAMTTOT>
    <TERMSCD>18</TERMSCD>
    <FOBCD>01</FOBCD>
    <BYRCD>12</BYRCD>
    <INFORBUS>INFORBUS</INFORBUS>
    <VNDRLONGNM>DORI FOODS, INC.</VNDRLONGNM>
    <VNDRADDRLN001>P.O. BOX 11365</VNDRADDRLN001>
    <VNDRADDRLN002></VNDRADDRLN002>
    <VNDRADDRLN003></VNDRADDRLN003>
    <VNDRCITYLN>RICHMOND</VNDRCITYLN>
    <VNDRSTCD>VA</VNDRSTCD>
    <VNDRZIPCD>23</VNDRZIPCD>
    <VNDRZIPCDREST>2301365</VNDRZIPCDREST>
    <VCKTRDPRTNRID>12654</VCKTRDPRTNRID>
    <TPNAME>DORI FOODS, INC.</TPNAME>
    <TPADDR1>P.O. BOX 11365</TPADDR1>
    <TPADDR2></TPADDR2>
    <TPADDR3></TPADDR3>
    <TPCITY>RICHMOND</TPCITY>
    <TPZIP>232301365</TPZIP>
    <TPSTATE>VA</TPSTATE>
    <TPFAX>8043551631</TPFAX>
    <TPPARTNERID>12654</TPPARTNERID>
    <TPEMAIL>KITCHENJEREMYT@MCSK12.NET</TPEMAIL>
    <ECPOACKNHRSCNT>0</ECPOACKNHRSCNT>
    <ECSUPLMACKNHRSCNT>0</ECSUPLMACKNHRSCNT>
    <ECACKNPROCSTATCD>N</ECACKNPROCSTATCD>
    <UPLMACKNPROCSTATCD>N</UPLMACKNPROCSTATCD>
    <CORPTRDPRTNRID>MCSGENERIC</CORPTRDPRTNRID>
    <BYRSHRTNM>KEN RUBY</BYRSHRTNM>
    <BYRLONGNM>KEN RUBY</BYRLONGNM>
    <BYRUSERID>PURKENR</BYRUSERID>
    <BYRUSATELNBR></BYRUSATELNBR>
    <BYRTELNBR2VAL></BYRTELNBR2VAL>
    <BYRFAXXNBR></BYRFAXXNBR>
    <TERMSSHRTDESC>NET 30 DAY</TERMSSHRTDESC>
    <FRSTSTDINSTRCD>098</FRSTSTDINSTRCD>
    <XXC004>xxC004.STDINSTRDESC</XXC004>
    <INVCTONM></INVCTONM>
    <INVCTOADDRLN001></INVCTOADDRLN001>
    <INVCTOADDRLN002></INVCTOADDRLN002>
    <INVCTOADDRLN003></INVCTOADDRLN003>
    <INVCTOCITYLN></INVCTOCITYLN>
    <INVCTOSTCD></INVCTOSTCD>
    <INVCTOZIPCD></INVCTOZIPCD>
    <INVCTOCTRYCD></INVCTOCTRYCD>
  </POHEADER>
  <LINES>
    <LINE>
      <DLVYLOCCD></DLVYLOCCD>
      <STRGLOCID></STRGLOCID>
      <DLVYLOCCDLONGNM></DLVYLOCCDLONGNM>
      <DLVYLOCCDADDRLN001></DLVYLOCCDADDRLN001>
      <DLVYLOCCDADDRLN002></DLVYLOCCDADDRLN002>
      <DLVYLOCCDADDRLN003></DLVYLOCCDADDRLN003>
      <CITYLN></CITYLN>
      <STCD></STCD>
      <ZIPCD></ZIPCD>
      <CTRYCD></CTRYCD>
      <CTCTNM>KEN RUBY</CTCTNM>
      <POLINENBR>23</POLINENBR>
      <APPOLINECD>081</APPOLINECD>
      <UNIQID>23.081</UNIQID>
      <UOMCD></UOMCD>
      <STDINSTRDESC>NOTE: THIS PURCHASE ORDER SERVES AS CONFIRMATION</STDINSTRDESC>
      <STDINSTRSEQ>0</STDINSTRSEQ>
      <MCKVAL></MCKVAL>
      <MTLDESC></MTLDESC>
      <POPROMDT></POPROMDT>
      <CRRNM></CRRNM>
      <MFGRREF></MFGRREF>
      <MFGRPARTREF></MFGRPARTREF>
      <PODTLDESC>AS PER BID OF MARCH 8, 2005.....</PODTLDESC>
      <XTRNVNDRUOMCD></XTRNVNDRUOMCD>
      <VNDRPARTREF></VNDRPARTREF>
      <VCVNDRPARTREF></VCVNDRPARTREF>
      <MTLLONGDESC></MTLLONGDESC>
      <XXR013>xxR013.MTLDESC</XXR013>
      <XXE4E00>xxE4E00.CMNTDESC</XXE4E00>
      <ORDQTY>0.0000</ORDQTY>
      <UOMSHRTDESC></UOMSHRTDESC>
      <UNITPRC>0.00000</UNITPRC>
      <VATTAXAMT>0.00</VATTAXAMT>
      <POLINEAMT>0.00</POLINEAMT>
      <XXE4F00>xxE4F00.UPLDFILENM</XXE4F00>
    </LINE>
    <LINE>
      <DLVYLOCCD></DLVYLOCCD>
      <STRGLOCID></STRGLOCID>
      <DLVYLOCCDLONGNM></DLVYLOCCDLONGNM>
      <DLVYLOCCDADDRLN001></DLVYLOCCDADDRLN001>
      <DLVYLOCCDADDRLN002></DLVYLOCCDADDRLN002>
      <DLVYLOCCDADDRLN003></DLVYLOCCDADDRLN003>
      <CITYLN></CITYLN>
      <STCD></STCD>
      <ZIPCD></ZIPCD>
      <CTRYCD></CTRYCD>
      <CTCTNM>KEN RUBY</CTCTNM>
      <POLINENBR>22</POLINENBR>
      <APPOLINECD>081</APPOLINECD>
      <UNIQID>22.081</UNIQID>
      <UOMCD></UOMCD>
      <STDINSTRDESC>NOTE: THIS PURCHASE ORDER SERVES AS CONFIRMATION</STDINSTRDESC>
      <STDINSTRSEQ>0</STDINSTRSEQ>
      <MCKVAL></MCKVAL>
      <MTLDESC></MTLDESC>
      <POPROMDT></POPROMDT>
      <CRRNM></CRRNM>
      <MFGRREF></MFGRREF>
      <MFGRPARTREF></MFGRPARTREF>
      <PODTLDESC>PRICE: $47.89/CASE - SHIP LOT: 30 CASE</PODTLDESC>
      <XTRNVNDRUOMCD></XTRNVNDRUOMCD>
      <VNDRPARTREF></VNDRPARTREF>
      <VCVNDRPARTREF></VCVNDRPARTREF>
      <MTLLONGDESC></MTLLONGDESC>
      <XXR013>xxR013.MTLDESC</XXR013>
      <XXE4E00>xxE4E00.CMNTDESC</XXE4E00>
      <ORDQTY>0.0000</ORDQTY>
      <UOMSHRTDESC></UOMSHRTDESC>
      <UNITPRC>0.00000</UNITPRC>
      <VATTAXAMT>0.00</VATTAXAMT>
      <POLINEAMT>0.00</POLINEAMT>
      <XXE4F00>xxE4F00.UPLDFILENM</XXE4F00>
    </LINE>
    <LINE>
      <DLVYLOCCD></DLVYLOCCD>
      <STRGLOCID></STRGLOCID>
      <DLVYLOCCDLONGNM></DLVYLOCCDLONGNM>
      <DLVYLOCCDADDRLN001></DLVYLOCCDADDRLN001>
      <DLVYLOCCDADDRLN002></DLVYLOCCDADDRLN002>
      <DLVYLOCCDADDRLN003></DLVYLOCCDADDRLN003>
      <CITYLN></CITYLN>
      <STCD></STCD>
      <ZIPCD></ZIPCD>
      <CTRYCD></CTRYCD>
      <CTCTNM>KEN RUBY</CTCTNM>
      <POLINENBR>21</POLINENBR>
      <APPOLINECD>081</APPOLINECD>
      <UNIQID>21.081</UNIQID>
      <UOMCD></UOMCD>
      <STDINSTRDESC>NOTE: THIS PURCHASE ORDER SERVES AS CONFIRMATION</STDINSTRDESC>
      <STDINSTRSEQ>0</STDINSTRSEQ>
      <MCKVAL></MCKVAL>
      <MTLDESC></MTLDESC>
      <POPROMDT></POPROMDT>
      <CRRNM></CRRNM>
      <MFGRREF></MFGRREF>
      <MFGRPARTREF></MFGRPARTREF>
      <PODTLDESC>BRAND: MCCORMICK 930839 - 25 LBS.</PODTLDESC>
      <XTRNVNDRUOMCD></XTRNVNDRUOMCD>
      <VNDRPARTREF></VNDRPARTREF>
      <VCVNDRPARTREF></VCVNDRPARTREF>
      <MTLLONGDESC></MTLLONGDESC>
      <XXR013>xxR013.MTLDESC</XXR013>
      <XXE4E00>xxE4E00.CMNTDESC</XXE4E00>
      <ORDQTY>0.0000</ORDQTY>
      <UOMSHRTDESC></UOMSHRTDESC>
      <UNITPRC>0.00000</UNITPRC>
      <VATTAXAMT>0.00</VATTAXAMT>
      <POLINEAMT>0.00</POLINEAMT>
      <XXE4F00>xxE4F00.UPLDFILENM</XXE4F00>
    </LINE>
    <LINE>
      <DLVYLOCCD></DLVYLOCCD>
      <STRGLOCID></STRGLOCID>
      <DLVYLOCCDLONGNM></DLVYLOCCDLONGNM>
      <DLVYLOCCDADDRLN001></DLVYLOCCDADDRLN001>
      <DLVYLOCCDADDRLN002></DLVYLOCCDADDRLN002>
      <DLVYLOCCDADDRLN003></DLVYLOCCDADDRLN003>
      <CITYLN></CITYLN>
      <STCD></STCD>
      <ZIPCD></ZIPCD>
      <CTRYCD></CTRYCD>
      <CTCTNM>KEN RUBY</CTCTNM>
      <POLINENBR>12</POLINENBR>
      <APPOLINECD>081</APPOLINECD>
      <UNIQID>12.081</UNIQID>
      <UOMCD></UOMCD>
      <STDINSTRDESC>NOTE: THIS PURCHASE ORDER SERVES AS CONFIRMATION</STDINSTRDESC>
      <STDINSTRSEQ>0</STDINSTRSEQ>
      <MCKVAL></MCKVAL>
      <MTLDESC></MTLDESC>
      <POPROMDT></POPROMDT>
      <CRRNM></CRRNM>
      <MFGRREF></MFGRREF>
      <MFGRPARTREF></MFGRPARTREF>
      <PODTLDESC>PRICE: $78.92/CASE - SHIP LOT: 25 CASE</PODTLDESC>
      <XTRNVNDRUOMCD></XTRNVNDRUOMCD>
      <VNDRPARTREF></VNDRPARTREF>
      <VCVNDRPARTREF></VCVNDRPARTREF>
      <MTLLONGDESC></MTLLONGDESC>
      <XXR013>xxR013.MTLDESC</XXR013>
      <XXE4E00>xxE4E00.CMNTDESC</XXE4E00>
      <ORDQTY>0.0000</ORDQTY>
      <UOMSHRTDESC></UOMSHRTDESC>
      <UNITPRC>0.00000</UNITPRC>
      <VATTAXAMT>0.00</VATTAXAMT>
      <POLINEAMT>0.00</POLINEAMT>
      <XXE4F00>xxE4F00.UPLDFILENM</XXE4F00>
    </LINE>
    <LINE>
      <DLVYLOCCD></DLVYLOCCD>
      <STRGLOCID></STRGLOCID>
      <DLVYLOCCDLONGNM></DLVYLOCCDLONGNM>
      <DLVYLOCCDADDRLN001></DLVYLOCCDADDRLN001>
      <DLVYLOCCDADDRLN002></DLVYLOCCDADDRLN002>
      <DLVYLOCCDADDRLN003></DLVYLOCCDADDRLN003>
      <CITYLN></CITYLN>
      <STCD></STCD>
      <ZIPCD></ZIPCD>
      <CTRYCD></CTRYCD>
      <CTCTNM>KEN RUBY</CTCTNM>
      <POLINENBR>11</POLINENBR>
      <APPOLINECD>081</APPOLINECD>
      <UNIQID>11.081</UNIQID>
      <UOMCD></UOMCD>
      <STDINSTRDESC>NOTE: THIS PURCHASE ORDER SERVES AS CONFIRMATION</STDINSTRDESC>
      <STDINSTRSEQ>0</STDINSTRSEQ>
      <MCKVAL></MCKVAL>
      <MTLDESC></MTLDESC>
      <POPROMDT></POPROMDT>
      <CRRNM></CRRNM>
      <MFGRREF></MFGRREF>
      <MFGRPARTREF></MFGRPARTREF>
      <PODTLDESC>BRAND: MCCORMICK 931025 - 25 LBS.</PODTLDESC>
      <XTRNVNDRUOMCD></XTRNVNDRUOMCD>
      <VNDRPARTREF></VNDRPARTREF>
      <VCVNDRPARTREF></VCVNDRPARTREF>
      <MTLLONGDESC></MTLLONGDESC>
      <XXR013>xxR013.MTLDESC</XXR013>
      <XXE4E00>xxE4E00.CMNTDESC</XXE4E00>
      <ORDQTY>0.0000</ORDQTY>
      <UOMSHRTDESC></UOMSHRTDESC>
      <UNITPRC>0.00000</UNITPRC>
      <VATTAXAMT>0.00</VATTAXAMT>
      <POLINEAMT>0.00</POLINEAMT>
      <XXE4F00>xxE4F00.UPLDFILENM</XXE4F00>
    </LINE>
    <LINE>
      <DLVYLOCCD></DLVYLOCCD>
      <STRGLOCID></STRGLOCID>
      <DLVYLOCCDLONGNM></DLVYLOCCDLONGNM>
      <DLVYLOCCDADDRLN001></DLVYLOCCDADDRLN001>
      <DLVYLOCCDADDRLN002></DLVYLOCCDADDRLN002>
      <DLVYLOCCDADDRLN003></DLVYLOCCDADDRLN003>
      <CITYLN></CITYLN>
      <STCD></STCD>
      <ZIPCD></ZIPCD>
      <CTRYCD></CTRYCD>
      <CTCTNM>KEN RUBY</CTCTNM>
      <POLINENBR>11</POLINENBR>
      <APPOLINECD>081</APPOLINECD>
      <UNIQID>11.081</UNIQID>
      <UOMCD></UOMCD>
      <STDINSTRDESC>THAT WE ACCEPT THE TERMS AND CONDITIONS OUTLINED IN</STDINSTRDESC>
      <STDINSTRSEQ>1</STDINSTRSEQ>
      <MCKVAL></MCKVAL>
      <MTLDESC></MTLDESC>
      <POPROMDT></POPROMDT>
      <CRRNM></CRRNM>
      <MFGRREF></MFGRREF>
      <MFGRPARTREF></MFGRPARTREF>
      <PODTLDESC>BRAND: MCCORMICK 931025 - 25 LBS.</PODTLDESC>
      <XTRNVNDRUOMCD></XTRNVNDRUOMCD>
      <VNDRPARTREF></VNDRPARTREF>
      <VCVNDRPARTREF></VCVNDRPARTREF>
      <MTLLONGDESC></MTLLONGDESC>
      <XXR013>xxR013.MTLDESC</XXR013>
      <XXE4E00>xxE4E00.CMNTDESC</XXE4E00>
      <ORDQTY>0.0000</ORDQTY>
      <UOMSHRTDESC></UOMSHRTDESC>
      <UNITPRC>0.00000</UNITPRC>
      <VATTAXAMT>0.00</VATTAXAMT>
      <POLINEAMT>0.00</POLINEAMT>
      <XXE4F00>xxE4F00.UPLDFILENM</XXE4F00>
    </LINE>
    <LINE>
      <DLVYLOCCD></DLVYLOCCD>
      <STRGLOCID></STRGLOCID>
      <DLVYLOCCDLONGNM></DLVYLOCCDLONGNM>
      <DLVYLOCCDADDRLN001></DLVYLOCCDADDRLN001>
      <DLVYLOCCDADDRLN002></DLVYLOCCDADDRLN002>
      <DLVYLOCCDADDRLN003></DLVYLOCCDADDRLN003>
      <CITYLN></CITYLN>
      <STCD></STCD>
      <ZIPCD></ZIPCD>
      <CTRYCD></CTRYCD>
      <CTCTNM>KEN RUBY</CTCTNM>
      <POLINENBR>12</POLINENBR>
      <APPOLINECD>081</APPOLINECD>
      <UNIQID>12.081</UNIQID>
      <UOMCD></UOMCD>
      <STDINSTRDESC>THAT WE ACCEPT THE TERMS AND CONDITIONS OUTLINED IN</STDINSTRDESC>
      <STDINSTRSEQ>1</STDINSTRSEQ>
      <MCKVAL></MCKVAL>
      <MTLDESC></MTLDESC>
      <POPROMDT></POPROMDT>
      <CRRNM></CRRNM>
      <MFGRREF></MFGRREF>
      <MFGRPARTREF></MFGRPARTREF>
      <PODTLDESC>PRICE: $78.92/CASE - SHIP LOT: 25 CASE</PODTLDESC>
      <XTRNVNDRUOMCD></XTRNVNDRUOMCD>
      <VNDRPARTREF></VNDRPARTREF>
      <VCVNDRPARTREF></VCVNDRPARTREF>
      <MTLLONGDESC></MTLLONGDESC>
      <XXR013>xxR013.MTLDESC</XXR013>
      <XXE4E00>xxE4E00.CMNTDESC</XXE4E00>
      <ORDQTY>0.0000</ORDQTY>
      <UOMSHRTDESC></UOMSHRTDESC>
      <UNITPRC>0.00000</UNITPRC>
      <VATTAXAMT>0.00</VATTAXAMT>
      <POLINEAMT>0.00</POLINEAMT>
      <XXE4F00>xxE4F00.UPLDFILENM</XXE4F00>
    </LINE>
    <LINE>
      <DLVYLOCCD></DLVYLOCCD>
      <STRGLOCID></STRGLOCID>
      <DLVYLOCCDLONGNM></DLVYLOCCDLONGNM>
      <DLVYLOCCDADDRLN001></DLVYLOCCDADDRLN001>
      <DLVYLOCCDADDRLN002></DLVYLOCCDADDRLN002>
      <DLVYLOCCDADDRLN003></DLVYLOCCDADDRLN003>
      <CITYLN></CITYLN>
      <STCD></STCD>
      <ZIPCD></ZIPCD>
      <CTRYCD></CTRYCD>
      <CTCTNM>KEN RUBY</CTCTNM>
      <POLINENBR>21</POLINENBR>
      <APPOLINECD>081</APPOLINECD>
      <UNIQID>21.081</UNIQID>
      <UOMCD></UOMCD>
      <STDINSTRDESC>THAT WE ACCEPT THE TERMS AND CONDITIONS OUTLINED IN</STDINSTRDESC>
      <STDINSTRSEQ>1</STDINSTRSEQ>
      <MCKVAL></MCKVAL>
      <MTLDESC></MTLDESC>
      <POPROMDT></POPROMDT>
      <CRRNM></CRRNM>
      <MFGRREF></MFGRREF>
      <MFGRPARTREF></MFGRPARTREF>
      <PODTLDESC>BRAND: MCCORMICK 930839 - 25 LBS.</PODTLDESC>
      <XTRNVNDRUOMCD></XTRNVNDRUOMCD>
      <VNDRPARTREF></VNDRPARTREF>
      <VCVNDRPARTREF></VCVNDRPARTREF>
      <MTLLONGDESC></MTLLONGDESC>
      <XXR013>xxR013.MTLDESC</XXR013>
      <XXE4E00>xxE4E00.CMNTDESC</XXE4E00>
      <ORDQTY>0.0000</ORDQTY>
      <UOMSHRTDESC></UOMSHRTDESC>
      <UNITPRC>0.00000</UNITPRC>
      <VATTAXAMT>0.00</VATTAXAMT>
      <POLINEAMT>0.00</POLINEAMT>
      <XXE4F00>xxE4F00.UPLDFILENM</XXE4F00>
    </LINE>
    <LINE>
      <DLVYLOCCD></DLVYLOCCD>
      <STRGLOCID></STRGLOCID>
      <DLVYLOCCDLONGNM></DLVYLOCCDLONGNM>
      <DLVYLOCCDADDRLN001></DLVYLOCCDADDRLN001>
      <DLVYLOCCDADDRLN002></DLVYLOCCDADDRLN002>
      <DLVYLOCCDADDRLN003></DLVYLOCCDADDRLN003>
      <CITYLN></CITYLN>
      <STCD></STCD>
      <ZIPCD></ZIPCD>
      <CTRYCD></CTRYCD>
      <CTCTNM>KEN RUBY</CTCTNM>
      <POLINENBR>22</POLINENBR>
      <APPOLINECD>081</APPOLINECD>
      <UNIQID>22.081</UNIQID>
      <UOMCD></UOMCD>
      <STDINSTRDESC>THAT WE ACCEPT THE TERMS AND CONDITIONS OUTLINED IN</STDINSTRDESC>
      <STDINSTRSEQ>1</STDINSTRSEQ>
      <MCKVAL></MCKVAL>
      <MTLDESC></MTLDESC>
      <POPROMDT></POPROMDT>
      <CRRNM></CRRNM>
      <MFGRREF></MFGRREF>
      <MFGRPARTREF></MFGRPARTREF>
      <PODTLDESC>PRICE: $47.89/CASE - SHIP LOT: 30 CASE</PODTLDESC>
      <XTRNVNDRUOMCD></XTRNVNDRUOMCD>
      <VNDRPARTREF></VNDRPARTREF>
      <VCVNDRPARTREF></VCVNDRPARTREF>
      <MTLLONGDESC></MTLLONGDESC>
      <XXR013>xxR013.MTLDESC</XXR013>
      <XXE4E00>xxE4E00.CMNTDESC</XXE4E00>
      <ORDQTY>0.0000</ORDQTY>
      <UOMSHRTDESC></UOMSHRTDESC>
      <UNITPRC>0.00000</UNITPRC>
      <VATTAXAMT>0.00</VATTAXAMT>
      <POLINEAMT>0.00</POLINEAMT>
      <XXE4F00>xxE4F00.UPLDFILENM</XXE4F00>
    </LINE>
    <LINE>
      <DLVYLOCCD></DLVYLOCCD>
      <STRGLOCID></STRGLOCID>
      <DLVYLOCCDLONGNM></DLVYLOCCDLONGNM>
      <DLVYLOCCDADDRLN001></DLVYLOCCDADDRLN001>
      <DLVYLOCCDADDRLN002></DLVYLOCCDADDRLN002>
      <DLVYLOCCDADDRLN003></DLVYLOCCDADDRLN003>
      <CITYLN></CITYLN>
      <STCD></STCD>
      <ZIPCD></ZIPCD>
      <CTRYCD></CTRYCD>
      <CTCTNM>KEN RUBY</CTCTNM>
      <POLINENBR>23</POLINENBR>
      <APPOLINECD>081</APPOLINECD>
      <UNIQID>23.081</UNIQID>
      <UOMCD></UOMCD>
      <STDINSTRDESC>THAT WE ACCEPT THE TERMS AND CONDITIONS OUTLINED IN</STDINSTRDESC>
      <STDINSTRSEQ>1</STDINSTRSEQ>
      <MCKVAL></MCKVAL>
      <MTLDESC></MTLDESC>
      <POPROMDT></POPROMDT>
      <CRRNM></CRRNM>
      <MFGRREF></MFGRREF>
      <MFGRPARTREF></MFGRPARTREF>
      <PODTLDESC>AS PER BID OF MARCH 8, 2005.....</PODTLDESC>
      <XTRNVNDRUOMCD></XTRNVNDRUOMCD>
      <VNDRPARTREF></VNDRPARTREF>
      <VCVNDRPARTREF></VCVNDRPARTREF>
      <MTLLONGDESC></MTLLONGDESC>
      <XXR013>xxR013.MTLDESC</XXR013>
      <XXE4E00>xxE4E00.CMNTDESC</XXE4E00>
      <ORDQTY>0.0000</ORDQTY>
      <UOMSHRTDESC></UOMSHRTDESC>
      <UNITPRC>0.00000</UNITPRC>
      <VATTAXAMT>0.00</VATTAXAMT>
      <POLINEAMT>0.00</POLINEAMT>
      <XXE4F00>xxE4F00.UPLDFILENM</XXE4F00>
    </LINE>
    <LINE>
      <DLVYLOCCD></DLVYLOCCD>
      <STRGLOCID></STRGLOCID>
      <DLVYLOCCDLONGNM></DLVYLOCCDLONGNM>
      <DLVYLOCCDADDRLN001></DLVYLOCCDADDRLN001>
      <DLVYLOCCDADDRLN002></DLVYLOCCDADDRLN002>
      <DLVYLOCCDADDRLN003></DLVYLOCCDADDRLN003>
      <CITYLN></CITYLN>
      <STCD></STCD>
      <ZIPCD></ZIPCD>
      <CTRYCD></CTRYCD>
      <CTCTNM>KEN RUBY</CTCTNM>
      <POLINENBR>23</POLINENBR>
      <APPOLINECD>081</APPOLINECD>
      <UNIQID>23.081</UNIQID>
      <UOMCD></UOMCD>
      <STDINSTRDESC>YOUR CONTRACT DATED 02/16/2007 FOR THE FOLLOWING</STDINSTRDESC>
      <STDINSTRSEQ>2</STDINSTRSEQ>
      <MCKVAL></MCKVAL>
      <MTLDESC></MTLDESC>
      <POPROMDT></POPROMDT>
      <CRRNM></CRRNM>
      <MFGRREF></MFGRREF>
      <MFGRPARTREF></MFGRPARTREF>
      <PODTLDESC>AS PER BID OF MARCH 8, 2005.....</PODTLDESC>
      <XTRNVNDRUOMCD></XTRNVNDRUOMCD>
      <VNDRPARTREF></VNDRPARTREF>
      <VCVNDRPARTREF></VCVNDRPARTREF>
      <MTLLONGDESC></MTLLONGDESC>
      <XXR013>xxR013.MTLDESC</XXR013>
      <XXE4E00>xxE4E00.CMNTDESC</XXE4E00>
      <ORDQTY>0.0000</ORDQTY>
      <UOMSHRTDESC></UOMSHRTDESC>
      <UNITPRC>0.00000</UNITPRC>
      <VATTAXAMT>0.00</VATTAXAMT>
      <POLINEAMT>0.00</POLINEAMT>
      <XXE4F00>xxE4F00.UPLDFILENM</XXE4F00>
    </LINE>
    <LINE>
      <DLVYLOCCD></DLVYLOCCD>
      <STRGLOCID></STRGLOCID>
      <DLVYLOCCDLONGNM></DLVYLOCCDLONGNM>
      <DLVYLOCCDADDRLN001></DLVYLOCCDADDRLN001>
      <DLVYLOCCDADDRLN002></DLVYLOCCDADDRLN002>
      <DLVYLOCCDADDRLN003></DLVYLOCCDADDRLN003>
      <CITYLN></CITYLN>
      <STCD></STCD>
      <ZIPCD></ZIPCD>
      <CTRYCD></CTRYCD>
      <CTCTNM>KEN RUBY</CTCTNM>
      <POLINENBR>22</POLINENBR>
      <APPOLINECD>081</APPOLINECD>
      <UNIQID>22.081</UNIQID>
      <UOMCD></UOMCD>
      <STDINSTRDESC>YOUR CONTRACT DATED 02/16/2007 FOR THE FOLLOWING</STDINSTRDESC>
      <STDINSTRSEQ>2</STDINSTRSEQ>
      <MCKVAL></MCKVAL>
      <MTLDESC></MTLDESC>
      <POPROMDT></POPROMDT>
      <CRRNM></CRRNM>
      <MFGRREF></MFGRREF>
      <MFGRPARTREF></MFGRPARTREF>
      <PODTLDESC>PRICE: $47.89/CASE - SHIP LOT: 30 CASE</PODTLDESC>
      <XTRNVNDRUOMCD></XTRNVNDRUOMCD>
      <VNDRPARTREF></VNDRPARTREF>
      <VCVNDRPARTREF></VCVNDRPARTREF>
      <MTLLONGDESC></MTLLONGDESC>
      <XXR013>xxR013.MTLDESC</XXR013>
      <XXE4E00>xxE4E00.CMNTDESC</XXE4E00>
      <ORDQTY>0.0000</ORDQTY>
      <UOMSHRTDESC></UOMSHRTDESC>
      <UNITPRC>0.00000</UNITPRC>
      <VATTAXAMT>0.00</VATTAXAMT>
      <POLINEAMT>0.00</POLINEAMT>
      <XXE4F00>xxE4F00.UPLDFILENM</XXE4F00>
    </LINE>
    <LINE>
      <DLVYLOCCD></DLVYLOCCD>
      <STRGLOCID></STRGLOCID>
      <DLVYLOCCDLONGNM></DLVYLOCCDLONGNM>
      <DLVYLOCCDADDRLN001></DLVYLOCCDADDRLN001>
      <DLVYLOCCDADDRLN002></DLVYLOCCDADDRLN002>
      <DLVYLOCCDADDRLN003></DLVYLOCCDADDRLN003>
      <CITYLN></CITYLN>
      <STCD></STCD>
      <ZIPCD></ZIPCD>
      <CTRYCD></CTRYCD>
      <CTCTNM>KEN RUBY</CTCTNM>
      <POLINENBR>21</POLINENBR>
      <APPOLINECD>081</APPOLINECD>
      <UNIQID>21.081</UNIQID>
      <UOMCD></UOMCD>
      <STDINSTRDESC>YOUR CONTRACT DATED 02/16/2007 FOR THE FOLLOWING</STDINSTRDESC>
      <STDINSTRSEQ>2</STDINSTRSEQ>
      <MCKVAL></MCKVAL>
      <MTLDESC></MTLDESC>
      <POPROMDT></POPROMDT>
      <CRRNM></CRRNM>
      <MFGRREF></MFGRREF>
      <MFGRPARTREF></MFGRPARTREF>
      <PODTLDESC>BRAND: MCCORMICK 930839 - 25 LBS.</PODTLDESC>
      <XTRNVNDRUOMCD></XTRNVNDRUOMCD>
      <VNDRPARTREF></VNDRPARTREF>
      <VCVNDRPARTREF></VCVNDRPARTREF>
      <MTLLONGDESC></MTLLONGDESC>
      <XXR013>xxR013.MTLDESC</XXR013>
      <XXE4E00>xxE4E00.CMNTDESC</XXE4E00>
      <ORDQTY>0.0000</ORDQTY>
      <UOMSHRTDESC></UOMSHRTDESC>
      <UNITPRC>0.00000</UNITPRC>
      <VATTAXAMT>0.00</VATTAXAMT>
      <POLINEAMT>0.00</POLINEAMT>
      <XXE4F00>xxE4F00.UPLDFILENM</XXE4F00>
    </LINE>
    <LINE>
      <DLVYLOCCD></DLVYLOCCD>
      <STRGLOCID></STRGLOCID>
      <DLVYLOCCDLONGNM></DLVYLOCCDLONGNM>
      <DLVYLOCCDADDRLN001></DLVYLOCCDADDRLN001>
      <DLVYLOCCDADDRLN002></DLVYLOCCDADDRLN002>
      <DLVYLOCCDADDRLN003></DLVYLOCCDADDRLN003>
      <CITYLN></CITYLN>
      <STCD></STCD>
      <ZIPCD></ZIPCD>
      <CTRYCD></CTRYCD>
      <CTCTNM>KEN RUBY</CTCTNM>
      <POLINENBR>12</POLINENBR>
      <APPOLINECD>081</APPOLINECD>
      <UNIQID>12.081</UNIQID>
      <UOMCD></UOMCD>
      <STDINSTRDESC>YOUR CONTRACT DATED 02/16/2007 FOR THE FOLLOWING</STDINSTRDESC>
      <STDINSTRSEQ>2</STDINSTRSEQ>
      <MCKVAL></MCKVAL>
      <MTLDESC></MTLDESC>
      <POPROMDT></POPROMDT>
      <CRRNM></CRRNM>
      <MFGRREF></MFGRREF>
      <MFGRPARTREF></MFGRPARTREF>
      <PODTLDESC>PRICE: $78.92/CASE - SHIP LOT: 25 CASE</PODTLDESC>
      <XTRNVNDRUOMCD></XTRNVNDRUOMCD>
      <VNDRPARTREF></VNDRPARTREF>
      <VCVNDRPARTREF></VCVNDRPARTREF>
      <MTLLONGDESC></MTLLONGDESC>
      <XXR013>xxR013.MTLDESC</XXR013>
      <XXE4E00>xxE4E00.CMNTDESC</XXE4E00>
      <ORDQTY>0.0000</ORDQTY>
      <UOMSHRTDESC></UOMSHRTDESC>
      <UNITPRC>0.00000</UNITPRC>
      <VATTAXAMT>0.00</VATTAXAMT>
      <POLINEAMT>0.00</POLINEAMT>
      <XXE4F00>xxE4F00.UPLDFILENM</XXE4F00>
    </LINE>
    <LINE>
      <DLVYLOCCD></DLVYLOCCD>
      <STRGLOCID></STRGLOCID>
      <DLVYLOCCDLONGNM></DLVYLOCCDLONGNM>
      <DLVYLOCCDADDRLN001></DLVYLOCCDADDRLN001>
      <DLVYLOCCDADDRLN002></DLVYLOCCDADDRLN002>
      <DLVYLOCCDADDRLN003></DLVYLOCCDADDRLN003>
      <CITYLN></CITYLN>
      <STCD></STCD>
      <ZIPCD></ZIPCD>
      <CTRYCD></CTRYCD>
      <CTCTNM>KEN RUBY</CTCTNM>
      <POLINENBR>11</POLINENBR>
      <APPOLINECD>081</APPOLINECD>
      <UNIQID>11.081</UNIQID>
      <UOMCD></UOMCD>
      <STDINSTRDESC>YOUR CONTRACT DATED 02/16/2007 FOR THE FOLLOWING</STDINSTRDESC>
      <STDINSTRSEQ>2</STDINSTRSEQ>
      <MCKVAL></MCKVAL>
      <MTLDESC></MTLDESC>
      <POPROMDT></POPROMDT>
      <CRRNM></CRRNM>
      <MFGRREF></MFGRREF>
      <MFGRPARTREF></MFGRPARTREF>
      <PODTLDESC>BRAND: MCCORMICK 931025 - 25 LBS.</PODTLDESC>
      <XTRNVNDRUOMCD></XTRNVNDRUOMCD>
      <VNDRPARTREF></VNDRPARTREF>
      <VCVNDRPARTREF></VCVNDRPARTREF>
      <MTLLONGDESC></MTLLONGDESC>
      <XXR013>xxR013.MTLDESC</XXR013>
      <XXE4E00>xxE4E00.CMNTDESC</XXE4E00>
      <ORDQTY>0.0000</ORDQTY>
      <UOMSHRTDESC></UOMSHRTDESC>
      <UNITPRC>0.00000</UNITPRC>
      <VATTAXAMT>0.00</VATTAXAMT>
      <POLINEAMT>0.00</POLINEAMT>
      <XXE4F00>xxE4F00.UPLDFILENM</XXE4F00>
    </LINE>
  </LINES>
</PURCHASEORDER>
有帮助吗?

解决方案

如果我明白你问正确的内容,然后给出示例XML这样的工作。

<?xml version="1.0" encoding="UTF-8"?>
  <xsl:stylesheet
   version="1.0"
   xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
  <xsl:output method="xml" encoding="UTF-8" indent="yes"/>

  <xsl:template match="/">
    <xsl:apply-templates select="/PURCHASEORDER/LINES" />
  </xsl:template>

  <xsl:template match="LINES">
    <LINES xmlns:set="http://exslt.org/sets">
           <xsl:apply-templates select="LINE/STDINSTRSEQ[not(. = preceding::STDINSTRSEQ)]"/> 
    </LINES>
  </xsl:template>

  <xsl:template match="STDINSTRSEQ">
          <xsl:copy> <xsl:apply-templates/> </xsl:copy>
  </xsl:template>

</xsl:stylesheet>

的优化版本,它使用 <xsl:key> 来过滤和提供独特的结果:

<?xml version="1.0" encoding="UTF-8"?>
  <xsl:stylesheet
   version="1.0"
   xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
  <xsl:output method="xml" encoding="UTF-8" indent="yes"/>

  <xsl:key name="STDIN" match="STDINSTRSEQ" use="./text()" />

  <xsl:template match="/">
    <xsl:apply-templates select="/PURCHASEORDER/LINES" />
  </xsl:template>

  <xsl:template match="LINES">
    <LINES xmlns:set="http://exslt.org/sets">
           <xsl:apply-templates select="LINE/STDINSTRSEQ[generate-id(.) = generate-id(key('STDIN', .))]"/>
    </LINES>
  </xsl:template>

  <xsl:template match="STDINSTRSEQ">
          <xsl:copy> <xsl:apply-templates/> </xsl:copy>
  </xsl:template>

</xsl:stylesheet>

其他提示

我不知道的应用模板。我不明白他们是如何工作的。所以对于一个XML,这是这样的:

<xml>
  <line>209</line>
  <line>209</line>
  <line>209</line>
  <line>100</line>
  <line>101</line>
  <line>101</line>
  <line>100</line>
  <line>102</line>
  <line>209</line>
  <line>101</line>
  <line>101</line>
  <line>101</line>
  <line>101</line>
  <line>209</line>
  <line>100</line>
 </xml>

以除去重复,只留下唯一值:

<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
  <xsl:output indent="no" />
  <xsl:template match="/">
    <Output>
      <xsl:for-each select="//line">
        <xsl:if test="not(. = preceding::line)">
          <line>
            <xsl:value-of select="string(.)" disable-output-escaping="no" />
          </line>
        </xsl:if>
      </xsl:for-each>
    </Output>
  </xsl:template>
</xsl:stylesheet>

和,结果是:

<Output>
  <line>100</line>
  <line>101</line>
  <line>102</line>
  <line>209</line>
</Output>

和它是快得多比的Mads汉森提供的解决方案。

<xsl:stylesheet 
  version="1.0" 
  xmlns:xsl="http://www.w3.org/1999/XSL/Transform" 
>
  <xsl:key name="kSTDINSTRSEQ" match="STDINSTRSEQ" use="." />

  <xsl:template match="PURCHASEORDER">
    <xsl:apply-templates select="LINES" />
  </xsl:template>

  <xsl:template match="LINES">
    <LINES xmlns:set="http://exslt.org/sets">
      <xsl:copy-of select="
        LINE/STDINSTRSEQ[
          generate-id() = generate-id(key('kSTDINSTRSEQ', .)[1])
        ]
      " />
    </LINES>
  </xsl:template>
</xsl:stylesheet>

产生

<LINES xmlns:set="http://exslt.org/sets">
  <STDINSTRSEQ>0</STDINSTRSEQ>
  <STDINSTRSEQ>1</STDINSTRSEQ>
  <STDINSTRSEQ>2</STDINSTRSEQ>
</LINES>

要从另一个XSL模板访问此,将其写入到一个临时文件中,并使用document()功能。备选地,只是做在其他XSLT文件分组。

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