WCF rest 的帮助页面和缓存机制

打开vs2010 在工具选项中选择扩展管理器——联机库安装WCF REST Service Template 40(CS)模板

安装后新建wcf服务应用程序，删除默认建立的文件。

新建RestWcf4HelpPage.svc，代码如下

using System;

using System.Collections.Generic;

using System.Linq;

using System.Runtime.Serialization;

using System.ServiceModel;

using System.ServiceModel.Activation;

using System.ServiceModel.Web;

using System.Text;

namespace RestWcf

{

    [ServiceBehavior(IncludeExceptionDetailInFaults=false)]

    [AspNetCompatibilityRequirements(RequirementsMode = AspNetCompatibilityRequirementsMode.Allowed)]

    public class RestWcf4HelpPage : IRestWcf4HelpPage

    {

        #region IRestWcf4HelpPage 成员

        [WebGet(UriTemplate="/Rest/Get/{id}")]

        public string GetData(string id)

        {

            return "Hello Rest GetData";

        }

        [WebInvoke(UriTemplate="/Rest/Add/{id}",Method="POST")]

        public string AddData(string id)

        {

            return "Hello Rest AddData";

        }

        [WebInvoke(UriTemplate = "/Rest/Update/{id}", Method = "PUT")]

        public string UpdateData(string id)

        {

            return "Hello Rest UpdateData";

        }

        [WebInvoke(UriTemplate = "/Rest/Delete/{id}", Method = "Delete")]

        public string DeleteData(string id)

        {

            return "Hello Rest DeleteData";

        }

        #endregion

    }

    [XmlSerializerFormat]

    [ServiceContract]

    interface IRestWcf4HelpPage

    {

        [OperationContract]

        string GetData(string id);

        [OperationContract]

        string AddData(string id);

        [OperationContract]

        string UpdateData(string id);

        [OperationContract]

        string DeleteData(string id);

    }

}

然后在建立RestWcf4Cache.svc，代码如下

using System;

using System.Collections.Generic;

using System.Linq;

using System.Runtime.Serialization;

using System.ServiceModel;

using System.ServiceModel.Activation;

using System.ServiceModel.Web;

using System.Text;

namespace RestWcf

{

    [ServiceBehavior(IncludeExceptionDetailInFaults=false)]

    [AspNetCompatibilityRequirements(RequirementsMode = AspNetCompatibilityRequirementsMode.Allowed)]

    public class RestWcf4Cache:IRestWcf4Cache

    {

        #region IRestWcf4Cache 成员

        [AspNetCacheProfile("CacheFor10Senconds")]

        [WebGet(UriTemplate = "/Rest/Get/{id}")]

        public string GetData(string id)

        {

            return "Hello Rest GetData " + DateTime.Now.ToString();

        }

        #endregion

    }

    [ServiceContract]

    interface IRestWcf4Cache

    {

        [OperationContract]

        string GetData(string id);

    }

}

然后在配置web.config文件，其中duration值缓存的有效时间。

<?xml version="1.0" encoding="utf-8"?>

<configuration>

  <system.web>

    <compilation debug="true" targetFramework="4.0" />

    <caching>

      <outputCacheSettings>

        <outputCacheProfiles >

          <add name="CacheFor10Senconds" duration="" varyByParam="format"/>

          <add name="CacheFor30Senconds" duration="" varyByParam="format"/>

        </outputCacheProfiles>

      </outputCacheSettings>

    </caching>

  </system.web>

  <system.serviceModel>

    <services>

      <service name="RestWcf.RestWcf4HelpPage">

        <endpoint address="" behaviorConfiguration="RestWcf4HelpPageBehavior"

          binding="webHttpBinding" contract="RestWcf.IRestWcf4HelpPage" />

      </service>

      <service name="RestWcf.RestWcf4Cache">

        <endpoint address="" behaviorConfiguration="RestWcf4CacheBehavior"

          binding="webHttpBinding" contract="RestWcf.IRestWcf4Cache" />

      </service>

    </services>

    <behaviors>

      <endpointBehaviors>

        <behavior name="RestWcf4HelpPageBehavior">

          <webHttp helpEnabled="true" />

        </behavior>

        <behavior name="RestWcf4CacheBehavior">

          <webHttp helpEnabled="true" />

        </behavior>

      </endpointBehaviors>

      <serviceBehaviors>

        <behavior name="">

          <serviceMetadata httpGetEnabled="true" />

          <serviceDebug includeExceptionDetailInFaults="false" />

        </behavior>

      </serviceBehaviors>

    </behaviors>

    <serviceHostingEnvironment aspNetCompatibilityEnabled="true"

      multipleSiteBindingsEnabled="true" />

  </system.serviceModel>

 <system.webServer>

    <modules runAllManagedModulesForAllRequests="true"/>

  </system.webServer>

</configuration>

帮助页面的效果如下图

get请求结果如下图

缓存效果如图,缓存的时间设置为10s，在10s内结果都是下图，超过时间后就是另一个结果了

巴特西

WCF rest 的帮助页面和缓存机制

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