WCF服務(wù)以控制臺程序為宿主時Silverlight的跨域訪問問題

WCFWCF題前幾天爭論SilverLight方法寫出來，也便利其它朋友借鑒。SilverLight時為了測試與WCF的通訊，創(chuàng)立了一個把握臺的應(yīng)用程序做為WCF效勞的宿主程序。同時創(chuàng)立了一個SilverLight應(yīng)用程序和一個承載SilverLight的Web程序.解決方案如圖:把握臺程序:添加WCF效勞命名為WCFService.cs,并添加效勞,代碼如下:namespaceWCFBase{//留意:假設(shè)更改此處的類名“WCFService“，也必需更App.config中對“WCFService“的引用。publicclassWCFService:IWCFService{publicintDoWork(inta,intb){returna+b;}publicintDoWork2(inta,intb){returna-b;}}}系統(tǒng)會自動添加App.config文件和相關(guān)配置節(jié)信息內(nèi)容如下:<?xmlversion=“1.0“encoding=“utf-8“?><configuration><system.serviceModel><serviceHostingEnvironmentaspNetCompatibilityEnabled=“true“/><behaviors><serviceBehaviors><behaviorname=“WCFBase.WCFServiceBehavior“><serviceMetadataGetEnabled=“true“/><serviceDebugincludeExceptionDetailInFaults=“false“/></behavior></serviceBehaviors></behaviors><services><servicebehaviorConfiguration=“WCFBase.WCFServiceBehavior“name=“WCFBase.WCFService“><endpointaddress=““binding=“basicBinding“contract=“WCFBase.IWCFService“><identity><dnsvalue=“l(fā)ocalhost“/></identity></endpoint><endpointaddress=“mex“binding=“mexBinding“contract=“IMetadataExchange“/><host><baseAddresses><addbaseAddress=“://localhost:9090/WCFService/“/></baseAddresses></host></service></services></system.serviceModel></configuration>WCF效勞翻開主程序入口Main方法,代碼如下namespaceWCFBase{classProgram{staticvoidMain(string[]args){ServiceHosthost=newServiceHost(typeof(WCFService));host.Open;Console.WriteLine(“I”amHere.“);Console.ReadKey;host.Close;}}}至此運行該把握臺程序，WCF效勞啟可使用。WCF可以垮域訪問在把握臺程序根目添加clientaccesspolicy.xml文件內(nèi)容如下:<?xmlversion=“1.0“encoding=“utf-8“?><access-policy><cross-domain-access><policy><allow-from-request-headers=“*“><domainuri=“*“/></allow-from><grant-to><resourcepath=“/“include-subpaths=“true“/></grant-to></policy></cross-domain-access></access-policy>添加接口IDomainService(名稱可自定義)首先要添加System.ServiceModel.Web引用代碼如下:usingSystem;usingSystem.Collections.Generic;usingSystem.Linq;usingSystem.Text;usingSystem.IO;usingSystem.Xml;usingSystem.ServiceModel;usingSystem.ServiceModel.Channels;namespaceWCFBase{/**////<summary>///跨域訪問策略效勞接口///留意:假設(shè)你更了ICrossDomainService接口,需要同時更App.Config///</summary>[ServiceContract]publicinterfaceIDomainService{[OperationContract][WebGet(UriTemplate=“ClientAccessPolicy.xml“)]MessageProvidePolicyFile;}}實現(xiàn)接口IDomainService類:DomainService(可自定義)代碼如下:namespaceWCFBase{publicclassDomainService:IDomainService{#regionIDomainService成員publicSystem.ServiceModel.Channels.MessageProvidePolicyFile{FileStreamfilestream=File.Open(@“ClientAccessPolicy.xml“,FileMode.Open);//EitherspecifyClientAcessPolicy.xmlfilepathproperly//orputthatin/BinfolderoftheconsoleapplicationXmlReaderreader=XmlReader.Create(filestream);System.ServiceModel.Channels.Messageresult=Message.CreateMessage(MessageVersion.None,““,reader);returnresult;}//CrossDomainServiceBehavior#endregion}}App.config文件修改后為<?xmlversion=“1.0“encoding=“utf-8“?><configuration><system.serviceModel><serviceHostingEnvironmentaspNetCompatibilityEnabled=“true“/><behaviors><serviceBehaviors><behaviorname=“WCFBase.WCFServiceBehavior“><serviceMetadataGetEnabled=“true“/><serviceDebugincludeExceptionDetailInFaults=“false“/></behavior></serviceBehaviors><endpointBehaviors><behaviorname=“DomainServiceBehavior“><web/></behavior></endpointBehaviors></behaviors><services><servicebehaviorConfiguration=“WCFBase.WCFServiceBehavior“name=“WCFBase.WCFService“><endpointaddress=““binding=“basicBinding“contract=“WCFBase.IWCFService“><identity><dnsvalue=“l(fā)ocalhost“/></identity></endpoint><endpointaddress=“mex“binding=“mexBinding“contract=“IMetadataExchange“/><host><baseAddresses><addbaseAddress=“://localhost:9090/WCFService/“/></baseAddresses></host></service><servicename=“WCFBase.DomainService“><endpointaddress=““behaviorConfiguration=“DomainServiceBehavior“binding=“webBinding“contract=“WCFBase.IDomainService“/><host><baseAddresses><addbaseAddress=“://localhost:9090/“/></baseAddresses></host></service></services></system.serviceModel></configuration>灰色區(qū)域為添加的信息,還沒有完成，連續(xù)...Main方法代碼如下:namespaceWCFBase{classProgram{staticvoidMain(string[]args){ServiceHosthost=newServiceHost(typeof(WCFService));host.Open;ServiceHostcrossDomainserviceHost=newServiceHost(typeof(DomainService));crossDomainserviceHost.Open;Console.WriteLine(“I”amHere.“);Console.ReadKey;host.Close;}}}灰色區(qū)域為添加代碼最終程序構(gòu)造如下:到此WCF效勞即可實現(xiàn)垮域訪問.留意:clientaccesspolicy.xml文件復(fù)制到WCFBase.exe一樣名目下。SilverLightWCF通訊測試運行把握臺程序WCFBase.exe如圖:在SilverLight程序中添加“效勞引用“,地址為://localhost:9090/WCFService/SilverLight代碼如下privatevoidbtnTest_Click(objectsender,RoutedEventArgse){ServiceReference1.WCFServiceClientwcf=newSilverlightApp.ServiceReference1.WCFServiceClient;wcf.DoWorkCompleted+=newEventHandler<SilverlightApp.ServiceReference1.DoWorkCompletedEventArgs>(wcf_DoWorkCompleted);wcf.DoWorkAsync(1,2);}voidwcf_D