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WCF 웹 HTTP 서비스 도움말 페이지

.NET Framework 4.6.1은 WCF WEB HTTP 서비스에 대한 자동 도움말 페이지를 제공합니다. 이 도움말 페이지에는 각 작업에 대한 설명, 요청 및 응답 형식, 스키마 등이 표시됩니다. 이 기능은 기본적으로 사용하지 않도록 설정되어 있습니다. 사용자가 WCF WEB HTTP 서비스를 탐색하고 URL 끝에 "/Help"를 추가하면(예: http://localhost:8000/Customers/Help) 다음과 같은 도움말 페이지가 표시됩니다.

A browser with the WCF REST Help page open.

사용자가 이 도움말 페이지에 나열된 메서드를 클릭하면 메시지 형식과 예제 응답 등 메서드에 대한 자세한 내용을 보여 주는 해당 작업에 대한 상세 페이지가 표시됩니다. 다음 그림은 메서드에 대한 도움말 페이지의 예제입니다.

A browser with the WCF REST Help page details for the GetCustomers method open.

WCF 웹 HTTP 도움말 페이지 사용

WCF 웹 HTTP 도움말 페이지에는 DescriptionAttribute를 사용하여 지정한 작업에 대한 간략한 설명이 표시됩니다. 이 특성은 해당 특성이 적용되는 작업에 대한 간략한 설명이 포함된 문자열을 제공합니다. 예를 들어 다음 코드에서는 DescriptionAttribute를 사용하여 간략한 설명을 제공하는 방법을 보여 줍니다.

[OperationContract]  
[WebGet(UriTemplate="/template1", BodyStyle = WebMessageBodyStyle.Bare)]  
[Description("Description for GET /template1")]  
SyndicationFeedFormatter GetTemplate1();  

WCF 웹 HTTP 도움말 페이지를 사용하도록 설정하려면 서비스의 엔드포인트에 엔드포인트 동작을 추가해야 합니다. 이 작업은 구성 또는 코드에서 수행할 수 있습니다. 구성에서 WCF 웹 HTTP 도움말 페이지를 사용하도록 설정하려면 <webHttp> 요소를 사용하여 엔드포인트 동작을 추가하고 helpEnabledtrue로 설정합니다. 그런 다음 엔드포인트를 추가하고 방금 추가한 엔드포인트 동작을 사용하도록 구성합니다. 다음 구성 코드에서는 이 작업을 수행하는 방법을 보여 줍니다.

<endpointBehaviors>  
   <behavior name="RESTEndpointBehavior">  
      <webHttp helpEnabled="true"/>  
   </behavior>  
</endpointBehaviors>  
<!-- ... -->  
<services>  
   <service behaviorConfiguration="RESTWebServiceBehavior" name="RESTWebService">      <endpoint address="" kind="webHttpEndpoint" behaviorConfiguration="RESTEndpointBehavior" contract="IHello" />  
  
      <!-- ... -->  
   </service>  
</services>  

코드에서 WCF 웹 HTTP 도움말 페이지를 사용하도록 설정하려면 서비스 엔드포인트를 추가하고 WebHttpBehaviorHelpEnabled로 설정한 다음 서비스 엔드포인트에 true를 추가합니다. 다음 코드에서는 이 작업을 수행하는 방법을 보여 줍니다.

using (WebServiceHost host = new WebServiceHost(typeof(Service), new Uri("http://localhost:8000/Customers")))  
{  
   host.AddServiceEndpoint(typeof(ICustomerCollection), new WebHttpBinding(), "");
   host.Description.Endpoints[0].Behaviors.Add(new WebHttpBehavior { EnableHelp = true });  
   // ...  
}  

도움말 페이지는 해당 페이지의 여러 부분을 식별하는 태그가 포함된 XHTML을 기반으로 하기 때문에 클라이언트에서 XElement 또는 다른 XLinq API를 사용하여 프로그래밍 방식으로 액세스할 수 있습니다.

WCF 웹 HTTP 서비스 도움말 페이지에 사용되는 스키마

다음은 WCF 웹 HTTP 서비스 도움말 페이지에 사용되는 스키마입니다.

<?xml version="1.0" encoding="utf-16"?>  
<xs:schema xmlns:tns="http://schemas.microsoft.com/2003/10/Serialization/" attributeFormDefault="qualified" elementFormDefault="qualified" targetNamespace="http://schemas.microsoft.com/2003/10/Serialization/" xmlns:xs="http://www.w3.org/2001/XMLSchema">  
  <xs:element name="anyType" nillable="true" type="xs:anyType" />  
  <xs:element name="anyURI" nillable="true" type="xs:anyURI" />  
  <xs:element name="base64Binary" nillable="true" type="xs:base64Binary" />  
  <xs:element name="boolean" nillable="true" type="xs:boolean" />  
  <xs:element name="byte" nillable="true" type="xs:byte" />  
  <xs:element name="dateTime" nillable="true" type="xs:dateTime" />  
  <xs:element name="decimal" nillable="true" type="xs:decimal" />  
  <xs:element name="double" nillable="true" type="xs:double" />  
  <xs:element name="float" nillable="true" type="xs:float" />  
  <xs:element name="int" nillable="true" type="xs:int" />  
  <xs:element name="long" nillable="true" type="xs:long" />  
  <xs:element name="QName" nillable="true" type="xs:QName" />  
  <xs:element name="short" nillable="true" type="xs:short" />  
  <xs:element name="string" nillable="true" type="xs:string" />  
  <xs:element name="unsignedByte" nillable="true" type="xs:unsignedByte" />  
  <xs:element name="unsignedInt" nillable="true" type="xs:unsignedInt" />  
  <xs:element name="unsignedLong" nillable="true" type="xs:unsignedLong" />  
  <xs:element name="unsignedShort" nillable="true" type="xs:unsignedShort" />  
  <xs:element name="char" nillable="true" type="tns:char" />  
  <xs:simpleType name="char">  
    <xs:restriction base="xs:int" />  
  </xs:simpleType>  
  <xs:element name="duration" nillable="true" type="tns:duration" />  
  <xs:simpleType name="duration">  
    <xs:restriction base="xs:duration">  
      <xs:pattern value="\-?P(\d*D)?(T(\d*H)?(\d*M)?(\d*(\.\d*)?S)?)?" />  
      <xs:minInclusive value="-P10675199DT2H48M5.4775808S" />  
      <xs:maxInclusive value="P10675199DT2H48M5.4775807S" />  
    </xs:restriction>  
  </xs:simpleType>  
  <xs:element name="guid" nillable="true" type="tns:guid" />  
  <xs:simpleType name="guid">  
    <xs:restriction base="xs:string">  
      <xs:pattern value="[\da-fA-F]{8}-[\da-fA-F]{4}-[\da-fA-F]{4}-[\da-fA-F]{4}-[\da-fA-F]{12}" />  
    </xs:restriction>  
  </xs:simpleType>  
  <xs:attribute name="FactoryType" type="xs:QName" />  
  <xs:attribute name="Id" type="xs:ID" />  
  <xs:attribute name="Ref" type="xs:IDREF" />  
</xs:schema>  
  
<?xml version="1.0" encoding="utf-16"?>  
<xs:schema xmlns:tns="http://microsoft.com/wsdl/types/" elementFormDefault="qualified" targetNamespace="http://microsoft.com/wsdl/types/" xmlns:xs="http://www.w3.org/2001/XMLSchema">  
  <xs:simpleType name="guid">  
    <xs:restriction base="xs:string">  
      <xs:pattern value="[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}" />  
    </xs:restriction>  
  </xs:simpleType>  
  <xs:simpleType name="char">  
    <xs:restriction base="xs:unsignedShort" />  
  </xs:simpleType>  
</xs:schema>  
  
<?xml version="1.0" encoding="utf-16"?>  
<xs:schema xmlns:tns="http://schemas.datacontract.org/2004/07/System" elementFormDefault="qualified" targetNamespace="http://schemas.datacontract.org/2004/07/System" xmlns:xs="http://www.w3.org/2001/XMLSchema">  
  <xs:import namespace="http://schemas.microsoft.com/2003/10/Serialization/" />  
  <xs:complexType name="DateTimeOffset">  
    <xs:annotation>  
      <xs:appinfo>  
        <IsValueType xmlns="http://schemas.microsoft.com/2003/10/Serialization/">true</IsValueType>  
      </xs:appinfo>  
    </xs:annotation>  
    <xs:sequence>  
      <xs:element name="DateTime" type="xs:dateTime" />  
      <xs:element name="OffsetMinutes" type="xs:short" />  
    </xs:sequence>  
  </xs:complexType>  
  <xs:element name="DateTimeOffset" nillable="true" type="tns:DateTimeOffset" />  
  <xs:complexType name="DBNull">  
    <xs:sequence />  
  </xs:complexType>  
  <xs:element name="DBNull" nillable="true" type="tns:DBNull" />  
</xs:schema>  
  
<?xml version="1.0" encoding="utf-16"?>  
<xs:schema xmlns:tns="http://schemas.microsoft.com/2003/10/Serialization/Arrays" xmlns:ser="http://schemas.microsoft.com/2003/10/Serialization/" elementFormDefault="qualified" targetNamespace="http://schemas.microsoft.com/2003/10/Serialization/Arrays" xmlns:xs="http://www.w3.org/2001/XMLSchema">  
  <xs:import namespace="http://schemas.microsoft.com/2003/10/Serialization/" />  
  <xs:complexType name="ArrayOfboolean">  
    <xs:sequence>  
      <xs:element minOccurs="0" maxOccurs="unbounded" name="boolean" type="xs:boolean" />  
    </xs:sequence>  
  </xs:complexType>  
  <xs:element name="ArrayOfboolean" nillable="true" type="tns:ArrayOfboolean" />  
  <xs:complexType name="ArrayOfchar">  
    <xs:sequence>  
      <xs:element minOccurs="0" maxOccurs="unbounded" name="char" type="ser:char" />  
    </xs:sequence>  
  </xs:complexType>  
  <xs:element name="ArrayOfchar" nillable="true" type="tns:ArrayOfchar" />  
  <xs:complexType name="ArrayOfdateTime">  
    <xs:sequence>  
      <xs:element minOccurs="0" maxOccurs="unbounded" name="dateTime" type="xs:dateTime" />  
    </xs:sequence>  
  </xs:complexType>  
  <xs:element name="ArrayOfdateTime" nillable="true" type="tns:ArrayOfdateTime" />  
  <xs:complexType name="ArrayOfdecimal">  
    <xs:sequence>  
      <xs:element minOccurs="0" maxOccurs="unbounded" name="decimal" type="xs:decimal" />  
    </xs:sequence>  
  </xs:complexType>  
  <xs:element name="ArrayOfdecimal" nillable="true" type="tns:ArrayOfdecimal" />  
  <xs:complexType name="ArrayOfdouble">  
    <xs:sequence>  
      <xs:element minOccurs="0" maxOccurs="unbounded" name="double" type="xs:double" />  
    </xs:sequence>  
  </xs:complexType>  
  <xs:element name="ArrayOfdouble" nillable="true" type="tns:ArrayOfdouble" />  
  <xs:complexType name="ArrayOffloat">  
    <xs:sequence>  
      <xs:element minOccurs="0" maxOccurs="unbounded" name="float" type="xs:float" />  
    </xs:sequence>  
  </xs:complexType>  
  <xs:element name="ArrayOffloat" nillable="true" type="tns:ArrayOffloat" />  
  <xs:complexType name="ArrayOfguid">  
    <xs:sequence>  
      <xs:element minOccurs="0" maxOccurs="unbounded" name="guid" type="ser:guid" />  
    </xs:sequence>  
  </xs:complexType>  
  <xs:element name="ArrayOfguid" nillable="true" type="tns:ArrayOfguid" />  
  <xs:complexType name="ArrayOfint">  
    <xs:sequence>  
      <xs:element minOccurs="0" maxOccurs="unbounded" name="int" type="xs:int" />  
    </xs:sequence>  
  </xs:complexType>  
  <xs:element name="ArrayOfint" nillable="true" type="tns:ArrayOfint" />  
  <xs:complexType name="ArrayOflong">  
    <xs:sequence>  
      <xs:element minOccurs="0" maxOccurs="unbounded" name="long" type="xs:long" />  
    </xs:sequence>  
  </xs:complexType>  
  <xs:element name="ArrayOflong" nillable="true" type="tns:ArrayOflong" />  
  <xs:complexType name="ArrayOfshort">  
    <xs:sequence>  
      <xs:element minOccurs="0" maxOccurs="unbounded" name="short" type="xs:short" />  
    </xs:sequence>  
  </xs:complexType>  
  <xs:element name="ArrayOfshort" nillable="true" type="tns:ArrayOfshort" />  
  <xs:complexType name="ArrayOfstring">  
    <xs:sequence>  
      <xs:element minOccurs="0" maxOccurs="unbounded" name="string" nillable="true" type="xs:string" />  
    </xs:sequence>  
  </xs:complexType>  
  <xs:element name="ArrayOfstring" nillable="true" type="tns:ArrayOfstring" />  
  <xs:complexType name="ArrayOfduration">  
    <xs:sequence>  
      <xs:element minOccurs="0" maxOccurs="unbounded" name="duration" type="ser:duration" />  
    </xs:sequence>  
  </xs:complexType>  
  <xs:element name="ArrayOfduration" nillable="true" type="tns:ArrayOfduration" />  
  <xs:complexType name="ArrayOfunsignedInt">  
    <xs:sequence>  
      <xs:element minOccurs="0" maxOccurs="unbounded" name="unsignedInt" type="xs:unsignedInt" />  
    </xs:sequence>  
  </xs:complexType>  
  <xs:element name="ArrayOfunsignedInt" nillable="true" type="tns:ArrayOfunsignedInt" />  
  <xs:complexType name="ArrayOfunsignedLong">  
    <xs:sequence>  
      <xs:element minOccurs="0" maxOccurs="unbounded" name="unsignedLong" type="xs:unsignedLong" />  
    </xs:sequence>  
  </xs:complexType>  
  <xs:element name="ArrayOfunsignedLong" nillable="true" type="tns:ArrayOfunsignedLong" />  
  <xs:complexType name="ArrayOfunsignedShort">  
    <xs:sequence>  
      <xs:element minOccurs="0" maxOccurs="unbounded" name="unsignedShort" type="xs:unsignedShort" />  
    </xs:sequence>  
  </xs:complexType>  
  <xs:element name="ArrayOfunsignedShort" nillable="true" type="tns:ArrayOfunsignedShort" />  
  <xs:complexType name="ArrayOfQName">  
    <xs:sequence>  
      <xs:element minOccurs="0" maxOccurs="unbounded" name="QName" nillable="true" type="xs:QName" />  
    </xs:sequence>  
  </xs:complexType>  
  <xs:element name="ArrayOfQName" nillable="true" type="tns:ArrayOfQName" />  
</xs:schema>  

데이터 계약 serialization 스키마에 대한 자세한 내용은 데이터 계약 스키마 참조를 참조하세요.