1.HTTP-GET WCF 方式
通过Http的方式提供metadata
1.1.配置文件方式
<system.serviceModel>
<services>
<service name = "MyService" behaviorConfiguration = "MEXGET">
<host>
<baseAddresses>
<add baseAddress = "http://localhost:8000/"/>
</baseAddresses>
</host>
...
</service> <service name = "MyOtherService" behaviorConfiguration = "MEXGET">
<host>
<baseAddresses>
<add baseAddress = "http://localhost:8001/"/>
</baseAddresses>
</host>
...
</service>
</services>
<behaviors>
<serviceBehaviors>
<behavior name = "MEXGET">
<serviceMetadata httpGetEnabled = "true"/>
</behavior>
</serviceBehaviors>
</behaviors>
</system.serviceModel>
一般通过HTTP的基地址即可以访问元数据，也可以指定不同的地址：
<behavior name = "MEXGET">
<serviceMetadata httpGetEnabled = "true" httpGetUrl = "MyMEXAddress"/>
</behavior>
1.2.代码方式
ServiceHost host = new ServiceHost(typeof(MyService));
ServiceMetadataBehavior metadataBehavior;
metadataBehavior = host.Description.Behaviors.Find<ServiceMetadataBehavior>();
if(metadataBehavior == null)
{
Debug.Assert(BaseAddresses.Any(baseAddress=>baseAddress.Uri.Scheme == "http"));
metadataBehavior = new ServiceMetadataBehavior();
metadataBehavior.HttpGetEnabled = true;
host.Description.Behaviors.Add(metadataBehavior);
}
host.Open();
2.Metadata Exchange Endpoint
平台无关的元数据交换方式，支持多种协议
<services>
<service name = "MyService" behaviorConfiguration = "MEX">
<host>
<baseAddresses>
<add baseAddress = "net.tcp://localhost:8001/"/>
<add baseAddress = "net.pipe://localhost/"/>
</baseAddresses>
</host>
<endpoint
address = "MEX"
binding = "mexTcpBinding"
contract = "IMetadataExchange"
/>
<endpoint
address = "MEX"
binding = "mexNamedPipeBinding"
contract = "IMetadataExchange"
/>
<endpoint
address = "http://localhost:8000/MEX"
binding = "mexHttpBinding"
contract = "IMetadataExchange"
/>
...
</service>
</services>
<behaviors>
<serviceBehaviors>
<behavior name = "MEX">
<serviceMetadata/>
</behavior>
</serviceBehaviors>
</behaviors>