使用XPath从WSDL XML中提取对象列表

时间:2017-09-11 21:59:00

标签: java xml web-services xpath wsdl

我有以下XML:

<?xml version="1.0" encoding="UTF-8"?>
<DataSet xmlns="http://MRCS/">
  <xs:schema id="Estacoes" xmlns="" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
    <xs:element name="Estacoes" msdata:IsDataSet="true" msdata:UseCurrentLocale="true">
      <xs:complexType>
        <xs:choice minOccurs="0" maxOccurs="unbounded">
          <xs:element name="Table">
            <xs:complexType>
              <xs:sequence>
                <xs:element name="NomeEstacao" type="xs:string" minOccurs="0"/>
                <xs:element name="CodEstacao" type="xs:string" minOccurs="0"/>
                <xs:element name="Bacia" type="xs:string" minOccurs="0"/>
                <xs:element name="SubBacia" type="xs:decimal" minOccurs="0"/>
                <xs:element name="Operadora" type="xs:string" minOccurs="0"/>
                <xs:element name="Responsavel" type="xs:string" minOccurs="0"/>
                <xs:element name="Municipio-UF" type="xs:string" minOccurs="0"/>
                <xs:element name="Latitude" type="xs:decimal" minOccurs="0"/>
                <xs:element name="Longitude" type="xs:decimal" minOccurs="0"/>
                <xs:element name="Altitude" type="xs:decimal" minOccurs="0"/>
                <xs:element name="CodRio" type="xs:decimal" minOccurs="0"/>
                <xs:element name="NomeRio" type="xs:string" minOccurs="0"/>
                <xs:element name="Origem" type="xs:string" minOccurs="0"/>
                <xs:element name="StatusEstacao" type="xs:string" minOccurs="0"/>
              </xs:sequence>
            </xs:complexType>
          </xs:element>
        </xs:choice>
      </xs:complexType>
    </xs:element>
  </xs:schema>
  <diffgr:diffgram xmlns:msdata="urn:schemas-microsoft-com:xml-msdata" xmlns:diffgr="urn:schemas-microsoft-com:xml-diffgram-v1">
    <Estacoes xmlns="">
      <Table diffgr:id="Table1" msdata:rowOrder="0">
        <NomeEstacao>GUARAPUAVA - COLÉGIO AGRICOLA</NomeEstacao>
        <CodEstacao>02551010</CodEstacao>
        <Bacia>6</Bacia>
        <SubBacia>65</SubBacia>
        <Operadora>00067 - IAPAR - IAPAR</Operadora>
        <Responsavel>00067 - IAPAR - IAPAR</Responsavel>
        <Municipio-UF>GUARAPUAVA-PR</Municipio-UF>
        <Latitude>-25.36470</Latitude>
        <Longitude>-51.49690</Longitude>
        <Altitude>1045.00</Altitude>
        <CodRio>0</CodRio>
        <NomeRio/>
        <Origem>ANA/SIVAM</Origem>
        <StatusEstacao>Ativo</StatusEstacao>
      </Table>
    </Estacoes>
  </diffgr:diffgram>
</DataSet>

我想从中提取<Table>元素。如果我使用xpath(/ *)我可以获得整个文档,但我无法找到从中提取某些元素的方法。甚至可以将XPath与WSDL XML一起使用吗?

编辑:我正在使用PostgreSQL xpath函数从XML列进行查询

1 个答案:

答案 0 :(得分:1)

您可以使用XPath表达式选择此Table元素,而不是处理该文档上各种命名空间的相当复杂的问题

xpath(/*/*/*/Table)

它会在每个第四级选择所有Table元素。