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稳扎稳打Silverlight(39) - 3.0通信之二进制XML通信, 本地连接

分类：Silverlight作者：编程之家
  [索引页]
[源码下载]

稳扎稳打Silverlight(39) - 3.0通信之二进制XML通信,本地连接

作者： webabcd
介绍
Silverlight 3.0 通信的新增功能
  • 二进制XML通信 - 与 WCF 服务间通信，可以使用二进制 XML 传递数据（提高传输性能） 
  • 本地连接 - 允许客户端的两个 Silverlight 程序之间直接进行通信（不用通过服务端）

在线DEMO
http://www.cnblogs.com/webabcd/archive/2009/08/04/1538238.html  
示例
1、以二进制 XML 传递数据的演示
服务端（WCF）
BinaryXmlService.svc

using  System;

 using  System.Linq;

 using  System.Runtime.Serialization;

 using  System.ServiceModel;

 using  System.ServiceModel.Activation;

 using  System.Collections.Generic;

 using  System.Text;


 namespace  Silverlight30.Service

 {

    /// <summary>

    /// 一个简单的 WCF 服务

    /// </summary>

    [ServiceContract]

    [AspNetCompatibilityRequirements(RequirementsMode = AspNetCompatibilityRequirementsMode.Allowed)]

    public class BinaryXmlService

    {

        [OperationContract]

        public string Hello(string name)

        {

            return "Hello: " + name;

        }

    }

}


Web.config

< system.serviceModel >

     < bindings >

         < customBinding >

             < binding  name ="customBinding0" >

                 < binaryMessageEncoding  />

                 < httpTransport  />

             </ binding >

         </ customBinding >

     </ bindings >

     < serviceHostingEnvironment  aspNetCompatibilityEnabled ="true"   />

     < behaviors >

         < serviceBehaviors >

             < behavior  name ="Silverlight30.Service.BinaryXmlServiceBehavior" >

                 < serviceMetadata  httpGetEnabled ="true"   />

                 < serviceDebug  includeExceptionDetailInFaults ="false"   />

             </ behavior >

         </ serviceBehaviors >

     </ behaviors >

     < services >

         < service  behaviorConfiguration ="Silverlight30.Service.BinaryXmlServiceBehavior"

            name ="Silverlight30.Service.BinaryXmlService" >

             < endpoint  address =""  binding ="customBinding"  bindingConfiguration ="customBinding0"

                contract ="Silverlight30.Service.BinaryXmlService"   />

             < endpoint  address ="mex"  binding ="mexHttpBinding"  contract ="IMetadataExchange"   />

         </ service >

     </ services >

</ system.serviceModel >

客户端
BinaryXml.xaml

< navigation:Page  x:Class ="Silverlight30.Communication.BinaryXml"  

           xmlns ="http://schemas.microsoft.com/winfx/2006/xaml/presentation"  

           xmlns:x ="http://schemas.microsoft.com/winfx/2006/xaml"  

           xmlns:d ="http://schemas.microsoft.com/expression/blend/2008"

           xmlns:mc ="http://schemas.openxmlformats.org/markup-compatibility/2006"

           mc:Ignorable ="d"

           xmlns:navigation ="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Navigation"

           d:DesignWidth ="640"  d:DesignHeight ="480"

           Title ="BinaryXml Page" >

     < Grid  x:Name ="LayoutRoot" >

         < StackPanel  Orientation ="Horizontal"  Height ="30" >

        

             <!-- 支持二进制 XML 通信 -->

        

             < TextBox  x:Name ="txtName"  Text ="webabcd"   />

             < Button  x:Name ="btnHelloConfig"  Content ="引用服务后（使用代理），通过配置的方式与服务端做二进制XML通信"  Click ="btnHelloConfig_Click"   />

             < Button  x:Name ="btnHelloCoding"  Content ="引用服务后（使用代理），通过编程的方式与服务端做二进制XML通信"  Click ="btnHelloCoding_Click"   />

        

         </ StackPanel >

     </ Grid >

</ navigation:Page >


BinaryXml.xaml.cs

using  System;

 using  System.Collections.Generic;

 using  System.Linq;

 using  System.Net;

 using  System.Windows;

 using  System.Windows.Controls;

 using  System.Windows.Documents;

 using  System.Windows.Input;

 using  System.Windows.Media;

 using  System.Windows.Media.Animation;

 using  System.Windows.Shapes;

 using  System.Windows.Navigation;


 using  Silverlight30.BinaryXmlService;

 using  System.ServiceModel.Channels;

 using  System.ServiceModel;


 namespace  Silverlight30.Communication

 {

    public partial class BinaryXml : Page

    {

        public BinaryXml()

        {

            InitializeComponent();

        }


        void client_HelloCompleted(object sender, HelloCompletedEventArgs e)

        {

            if (e.Error == null)

                MessageBox.Show(e.Result);

            else

                MessageBox.Show(e.Error.ToString());

        }


        private void btnHelloConfig_Click(object sender, RoutedEventArgs e)

        {

            // 通过配置文件（ServiceReferences.ClientConfig）的方式调用以二进制 XML 通信的 WCF 服务（需要使用代理）

            BinaryXmlServiceClient client = new BinaryXmlServiceClient();

            client.HelloCompleted += new EventHandler<HelloCompletedEventArgs>(client_HelloCompleted);

            client.HelloAsync(txtName.Text);

        }


        private void btnHelloCoding_Click(object sender, RoutedEventArgs e)

        {

            // 通过编程的方式调用以二进制 XML 通信的 WCF 服务（需要使用代理）

            BinaryMessageEncodingBindingElement binary = new BinaryMessageEncodingBindingElement();

            HttpTransportBindingElement transport = new HttpTransportBindingElement();

            CustomBinding binding = new CustomBinding(binary, transport);

            EndpointAddress address = new EndpointAddress("http://localhost:8616/BinaryXmlService.svc");

            BinaryXmlServiceClient client = new BinaryXmlServiceClient(binding, address);

            client.HelloCompleted += new EventHandler<HelloCompletedEventArgs>(client_HelloCompleted);

            client.HelloAsync(txtName.Text);

        }

    }

}


ServiceReferences.ClientConfig

< configuration >

     < system.serviceModel >

         < bindings >

             < customBinding >

                 < binding  name ="CustomBinding_BinaryXmlService" >

                     < binaryMessageEncoding  />

                     < httpTransport  maxReceivedMessageSize ="2147483647"  maxBufferSize ="2147483647"   />

                 </ binding >

             </ customBinding >

         </ bindings >

         < client >

             < endpoint  address ="http://localhost:8616/BinaryXmlService.svc"

                binding ="customBinding"  bindingConfiguration ="CustomBinding_BinaryXmlService"

                contract ="BinaryXmlService.BinaryXmlService"  name ="CustomBinding_BinaryXmlService"   />

         </ client >

     </ system.serviceModel >

</ configuration >


2、本地连接的演示
Silverlight 程序 1
LocalConnection.xaml

< navigation:Page  x:Class ="Silverlight30.Communication.LocalConnection"  

           xmlns ="http://schemas.microsoft.com/winfx/2006/xaml/presentation"  

           xmlns:x ="http://schemas.microsoft.com/winfx/2006/xaml"  

           xmlns:d ="http://schemas.microsoft.com/expression/blend/2008"

           xmlns:mc ="http://schemas.openxmlformats.org/markup-compatibility/2006"

           mc:Ignorable ="d"

           xmlns:navigation ="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Navigation"

           d:DesignWidth ="640"  d:DesignHeight ="480"

           Title ="LocalConnection Page" >

     < Grid  x:Name ="LayoutRoot" >

         < StackPanel >

        

             <!-- 结合 Silverlight30.LocalConnection/MainPage.xaml 中的项目演示 Silverlight 对本地连接的支持 -->

        

             < TextBlock  Text ="我是 abc"   />

             < Button  x:Name ="btnSubmit"  Content ="提交"  Click ="btnSubmit_Click"   />

             < TextBlock  x:Name ="lblResult"   />

            

         </ StackPanel >

     </ Grid >

</ navigation:Page >


LocalConnection.xaml.cs

/*

 * LocalMessageReceiver - 本地连接接收器

 *     ReceiverName - 接收器的名称。与另一个 Silverlight 程序所设置的发送器的接收器名称相对应

 *     AllowedSenderDomains - 信任的发送器所属域名列表

 *     disableSenderTrustCheck - 是否不理会 Vista 下的 IE 7 的保护模式。默认值为 false

 *     NameScope - 接收器名称是在同域唯一还是在全域唯一（ReceiverNameScope.Domain 同域唯一，默认值；ReceiverNameScope.Global 全域唯一）

 *     Listen() - 开始监听发送过来的信息

 *     MessageReceived事件 - 接收完成事件

 *     

 * LocalMessageSender - 本地连接发送器

 *     ReceiverName - 接收器的名称。与另一个 Silverlight 程序所设置的接收器的接收器名称相对应

 *     ReceiverDomain - 将要发送至的接收器所属域名

 *     SendAsync(string message, object userState) - 异步发送数据。（参数1：需要发送的信息；参数2：上下文，可以传递给发送完成事件）

 *     SendCompleted事件 - 发送完成事件

 */


using  System;

 using  System.Collections.Generic;

 using  System.Linq;

 using  System.Net;

 using  System.Windows;

 using  System.Windows.Controls;

 using  System.Windows.Documents;

 using  System.Windows.Input;

 using  System.Windows.Media;

 using  System.Windows.Media.Animation;

 using  System.Windows.Shapes;

 using  System.Windows.Navigation;

 using  System.Windows.Messaging;


 namespace  Silverlight30.Communication

 {

    public partial class LocalConnection : Page

    {

        LocalMessageSender _sender;


        public LocalConnection()

        {

            InitializeComponent();


            this.Loaded += new RoutedEventHandler(LocalConnection_Loaded);

        }


        void LocalConnection_Loaded(object sender, RoutedEventArgs e)

        {

            _sender = new LocalMessageSender("abc");


            LocalMessageReceiver receiver = new LocalMessageReceiver("xyz");

            receiver.MessageReceived += new EventHandler<MessageReceivedEventArgs>(receiver_MessageReceived);

            receiver.Listen();            

        }


        void receiver_MessageReceived(object sender, MessageReceivedEventArgs e)

        {

            lblResult.Text += e.Message + "\r\n";

        }


        private void btnSubmit_Click(object sender, RoutedEventArgs e)

        {

            _sender.SendAsync("在 abc 单击了按钮");

        }

    }

}


Silverlight 程序 2
Silverlight30.LocalConnection/MainPage.xaml

< UserControl  x:Class ="Silverlight30.LocalConnection.MainPage"

    xmlns ="http://schemas.microsoft.com/winfx/2006/xaml/presentation"  

    xmlns:x ="http://schemas.microsoft.com/winfx/2006/xaml"

    xmlns:d ="http://schemas.microsoft.com/expression/blend/2008"  xmlns:mc ="http://schemas.openxmlformats.org/markup-compatibility/2006"  

    mc:Ignorable ="d"  d:DesignWidth ="640"  d:DesignHeight ="480" >

     < Grid  x:Name ="LayoutRoot" >

         < StackPanel >

        

             <!-- 结合 Silverlight30/Communication/LocalConnection.xaml 中的项目演示 Silverlight 对本地连接的支持 -->

        

             < TextBlock  Text ="我是 xyz"   />

             < Button  x:Name ="btnSubmit"  Content ="提交"  Click ="btnSubmit_Click"   />

             < TextBlock  x:Name ="lblResult"   />

            

         </ StackPanel >

     </ Grid >

</ UserControl >


Silverlight30.LocalConnection/MainPage.xaml.cs

using  System;

 using  System.Collections.Generic;

 using  System.Linq;

 using  System.Net;

 using  System.Windows;

 using  System.Windows.Controls;

 using  System.Windows.Documents;

 using  System.Windows.Input;

 using  System.Windows.Media;

 using  System.Windows.Media.Animation;

 using  System.Windows.Shapes;


 using  System.Windows.Messaging;


 namespace  Silverlight30.LocalConnection

 {

    public partial class MainPage : UserControl

    {

        LocalMessageSender _sender;


        public MainPage()

        {

            InitializeComponent();


            this.Loaded += new RoutedEventHandler(MainPage_Loaded);

        }


        void MainPage_Loaded(object sender, RoutedEventArgs e)

        {

            _sender = new LocalMessageSender("xyz");


            LocalMessageReceiver receiver = new LocalMessageReceiver("abc");

            receiver.MessageReceived += new EventHandler<MessageReceivedEventArgs>(receiver_MessageReceived);

            receiver.Listen();

        }


        void receiver_MessageReceived(object sender, MessageReceivedEventArgs e)

        {

            lblResult.Text += e.Message + Environment.NewLine;

        }


        private void btnSubmit_Click(object sender, RoutedEventArgs e)

        {

            _sender.SendAsync("在 xyz 单击了按钮");

        }

    }

}


以上两个 Silverlight 程序间可以进行本地通信
Silverlight30.LocalConnectionTestPage.html

< object  data ="data:application/x-silverlight-2,"  type ="application/x-silverlight-2"

    height ="100%"  style ="float: left; width: 50%" >

     < param  name ="source"  value ="ClientBin/Silverlight30.xap"   />

     < param  name ="onError"  value ="onSilverlightError"   />

     < param  name ="background"  value ="white"   />

     < param  name ="minRuntimeVersion"  value ="3.0.40624.0"   />

     < param  name ="autoUpgrade"  value ="true"   />

     < a  href ="http://go.microsoft.com/fwlink/?LinkID=149156&v=3.0.40624.0"  style ="text-decoration: none" >

         < img  src ="http://go.microsoft.com/fwlink/?LinkId=108181"  alt ="Get Microsoft Silverlight"

            style ="border-style: none"   />

     </ a >

</ object >

< object  data ="data:application/x-silverlight-2,"  type ="application/x-silverlight-2"

    height ="100%"  style ="float: left; width: 50%" >

     < param  name ="source"  value ="ClientBin/Silverlight30.LocalConnection.xap"   />

     < param  name ="onError"  value ="onSilverlightError"   />

     < param  name ="background"  value ="white"   />

     < param  name ="minRuntimeVersion"  value ="3.0.40624.0"   />

     < param  name ="autoUpgrade"  value ="true"   />

     < a  href ="http://go.microsoft.com/fwlink/?LinkID=149156&v=3.0.40624.0"  style ="text-decoration: none" >

         < img  src ="http://go.microsoft.com/fwlink/?LinkId=108181"  alt ="Get Microsoft Silverlight"

            style ="border-style: none"   />

     </ a >

</ object >
OK
[源码下载]

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