WSDL 语法结构

W3C WSDL1.2 工作草案定义了 WSDL 的语法一般结构如下

? 部分表示可选 * 部分表示必选

<wsdl:definitions name="nmtoken"? targetNamespace="uri">

    <import namespace="uri" location="uri"/> *

    <wsdl:documentation .... /> ?

    <wsdl:types> ?
        <wsdl:documentation .... /> ?
        <xsd:schema .... /> *
    </wsdl:types>

    <wsdl:message name="ncname"> *
        <wsdl:documentation .... /> ?
        <part name="ncname" element="qname"? type="qname"?/> *
    </wsdl:message>

    <wsdl:portType name="ncname"> *
        <wsdl:documentation .... /> ?
        <wsdl:operation name="ncname"> *
            <wsdl:documentation .... /> ?
            <wsdl:input message="qname"> ?
                <wsdl:documentation .... /> ?
            </wsdl:input>
            <wsdl:output message="qname"> ?
                <wsdl:documentation .... /> ?
            </wsdl:output>
            <wsdl:fault name="ncname" message="qname"> *
                <wsdl:documentation .... /> ?
            </wsdl:fault>
        </wsdl:operation>
    </wsdl:portType>

    <wsdl:serviceType name="ncname"> *
        <wsdl:portType name="qname"/> +
    </wsdl:serviceType>

    <wsdl:binding name="ncname" type="qname"> *
        <wsdl:documentation .... /> ?
        <-- binding details --> *
        <wsdl:operation name="ncname"> *
            <wsdl:documentation .... /> ?
            <-- binding details --> *
            <wsdl:input> ?
                <wsdl:documentation .... /> ?
                <-- binding details -->
            </wsdl:input>
            <wsdl:output> ?
                <wsdl:documentation .... /> ?
                <-- binding details --> *
            </wsdl:output>
            <wsdl:fault name="ncname"> *
                <wsdl:documentation .... /> ?
                <-- binding details --> *
            </wsdl:fault>
        </wsdl:operation>
    </wsdl:binding>

    <wsdl:service name="ncname" serviceType="qname"> *
        <wsdl:documentation .... /> ?
        <wsdl:port name="ncname" binding="qname"> *
            <wsdl:documentation .... /> ?
            <-- address details -->
        </wsdl:port>
    </wsdl:service>

</wsdl:definitions>
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