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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
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
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