Silverlight里动态调用WCF服务

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#wcf #silverlight #binding #string #path #class

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本文介绍了一种通过C#代码动态创建WCF客户端的方法，该方法可以有效避免配置信息暴露给客户端的问题。文中提供了一个具体的实现示例，包括设置传输绑定元素、消息编码绑定元素及自定义绑定等步骤。

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using System;using System.Net;using System.Windows;using System.Windows.Controls;using System.Windows.Documents;using System.Windows.Ink;using System.Windows.Input;using System.Windows.Media;using System.Windows.Media.Animation;using System.Windows.Shapes;using System.ServiceModel;using System.ServiceModel.Channels;using System.Net.Browser;/********************************** * 创建人：刘跃飞 * 创建时间：2010-01-15 * 功能描述：动态创建WCF服务客户端，可以避免将配置文件中的配置信息暴露给客户端 * **********************************/namespace SLApp{ public class ServiceUtil { /// <summary> /// 动态创建WCF客户端 /// </summary> /// <returns></returns> public static ServiceReference1.SilverLightServiceClient GetDynamicClient() { try { HttpTransportBindingElement httpTransport = new HttpTransportBindingElement(); httpTransport.MaxReceivedMessageSize = 2147483647; httpTransport.MaxBufferSize = 2147483647; BinaryMessageEncodingBindingElement binaryEle = new BinaryMessageEncodingBindingElement(); CustomBinding binding = new CustomBinding(binaryEle, httpTransport); binding.Name = "CustomBinding_SilverLightService"; Uri myuri = new Uri(Application.Current.Host.Source, "/SLWcfService/SilverLightService.svc");// string IP = myuri.Host; string Path = @"http://" + IP + "/SLWcfService/SilverLightService.svc"; Uri myuri2 = new Uri(Path, UriKind.RelativeOrAbsolute); //---记录IP地址 SysInfo.SystemInfo.HostIP = IP; //--测试用WCF地址 Uri testuri = new Uri("http://172.16.1.216/SLWcfService/SilverLightService.svc");//Uri("http://172.16.1.209/SLWcfService/SilverLightService.svc"); //MessageBox.Show(myuri2.Host + " DnsSafeHost:" + myuri2.DnsSafeHost + " AbsolutePath:" + myuri2.AbsolutePath + " AbsoluteUri:" + myuri2.AbsoluteUri); //ServiceReference1.SilverLightServiceClient client = new ServiceReference1.SilverLightServiceClient(binding, new EndpointAddress(myuri2));//myuri2 ServiceReference1.SilverLightServiceClient client = new ServiceReference1.SilverLightServiceClient(binding, new EndpointAddress(testuri)); client.Endpoint.Name = "CustomBinding_SilverLightService"; return client; } catch { MessageBox.Show("生成WCF服务时出错，请联系管理员修复此问题！","消息提示",MessageBoxButton.OK); return null; } } }}