WCF客户端动态设置WCF服务器主机的地址的方法参考，可以连接多个相同WCF主机的方法

// --------------------------------------------------------------------
//  All Rights Reserved , Copyright (C) 2011 , Hairihan TECH, Ltd. 
// --------------------------------------------------------------------

using  System.ServiceModel;

namespace  DotNet.WCFClient
{
     using  DotNet.IService;
     using  DotNet.Utilities;

     ///   <summary>
     ///  ServiceFactory
     ///  本地服务的具体实现接口
     ///  
     ///  修改纪录
     ///  
     ///         2011.07.03 版本：2.0 JiRiGaLa 可以动态指定服务器地址的调用方法。
     ///         2009.09.20 版本：1.0 JiRiGaLa 创建。
     ///         
     ///  版本：2.0
     ///
     ///   <author>
     ///          <name> JiRiGaLa </name>
     ///          <date> 2011.07.03 </date>
     ///   </author>  
     ///   </summary>
     public   class  ServiceFactory : IServiceFactory
    {
         private   string  host  =   string .Empty;
         ///   <summary>
         ///  主机地址
         ///  Host = "192.168.0.122";
         ///   </summary>
         public   string  Host
        {
             get
            {
                 return  host;
            }
             set
            {
                host  =  value;
            }
        }

         private   int  port  =   0 ;
         ///   <summary>
         ///  端口号
         ///   </summary>
         public   int  Port
        {
             get
            {
                 return  port;
            }
             set
            {
                port  =  value;
            }
        }

         public  ServiceFactory()
        {
        }

         ///   <summary>
         ///  初始化服务
         ///   </summary>
         public   void  InitService()
        {
        }

         ///   <summary>
         ///  动态设定WCF主机地址端口的方法
         ///   </summary>
         ///   <param name="address"> 主机地址 </param>
         ///   <returns> 主机地址 </returns>
         public   virtual  EndpointAddress GetHotsUrl(EndpointAddress address)
        {
             //  若当前配置都是空的，就不用生成新的URL了。
             if  ( string .IsNullOrEmpty(Host)  &&  (Port  ==   0 ))
            {
                 return  address;
            }
             //  判断当前配置的情况
             string  endpointAddress  =   string .Empty;
             if  ( string .IsNullOrEmpty(Host))
            {
                Host  =  address.Uri.Host;
            }
             if  (Port  ==   0 )
            {
                Port  =  address.Uri.Port;
            }
            endpointAddress  =  address.Uri.Scheme  +   " :// "   +  Host  +   " : "   +  Port.ToString()  +  address.Uri.LocalPath;
            address  =   new  EndpointAddress(endpointAddress);
             return  address;
        }

         public   virtual  ISequenceService CreateSequenceService()
        {
            ChannelFactory < ISequenceService >  channelFactory  =   new  ChannelFactory < ISequenceService > ( " DotNet.Service.SequenceService " );
            channelFactory.Endpoint.Address  =  GetHotsUrl(channelFactory.Endpoint.Address);
             //  加强安全验证防止未授权匿名调用
            channelFactory.Credentials.UserName.UserName  =  BaseSystemInfo.ServiceUserName;
            channelFactory.Credentials.UserName.Password  =  BaseSystemInfo.ServicePassword;
            ISequenceService proxy  =  channelFactory.CreateChannel();
             return  proxy;
        }

       }
    }
}

<? xml version = " 1.0 " ?>
< configuration >
   < system.serviceModel >
     < client >
       < endpoint address = " net.tcp://jirigala-PC:8888/DotNet.Service/ExceptionService/ "  binding = " netTcpBinding "  bindingConfiguration = " netTcpBindingSmiple "  contract = " DotNet.IService.IExceptionService "  name = " DotNet.Service.ExceptionService " ></ endpoint >
       < endpoint address = " net.tcp://jirigala-PC:8888/DotNet.Service/FileService/ "  binding = " netTcpBinding "  bindingConfiguration = " netTcpBindingSmiple "  contract = " DotNet.IService.IFileService "  name = " DotNet.Service.FileService " ></ endpoint >
       < endpoint address = " net.tcp://jirigala-PC:8888/DotNet.Service/FolderService/ "  binding = " netTcpBinding "  bindingConfiguration = " netTcpBindingSmiple "  contract = " DotNet.IService.IFolderService "  name = " DotNet.Service.FolderService " ></ endpoint >
       < endpoint address = " net.tcp://jirigala-PC:8888/DotNet.Service/ItemDetailsService/ "  binding = " netTcpBinding "  bindingConfiguration = " netTcpBindingSmiple "  contract = " DotNet.IService.IItemDetailsService "  name = " DotNet.Service.ItemDetailsService " ></ endpoint >
       < endpoint address = " net.tcp://jirigala-PC:8888/DotNet.Service/ItemsService/ "  binding = " netTcpBinding "  bindingConfiguration = " netTcpBindingSmiple "  contract = " DotNet.IService.IItemsService "  name = " DotNet.Service.ItemsService " ></ endpoint >
       < endpoint address = " net.tcp://jirigala-PC:8888/DotNet.Service/LogOnService/ "  binding = " netTcpBinding "  bindingConfiguration = " netTcpBindingSmiple "  contract = " DotNet.IService.ILogOnService "  name = " DotNet.Service.LogOnService " ></ endpoint >
       < endpoint address = " net.tcp://jirigala-PC:8888/DotNet.Service/LogService/ "  binding = " netTcpBinding "  bindingConfiguration = " netTcpBindingSmiple "  contract = " DotNet.IService.ILogService "  name = " DotNet.Service.LogService " ></ endpoint >
       < endpoint address = " net.tcp://jirigala-PC:8888/DotNet.Service/MessageService/ "  binding = " netTcpBinding "  bindingConfiguration = " netTcpBindingSmiple "  contract = " DotNet.IService.IMessageService "  name = " DotNet.Service.MessageService " ></ endpoint >
       < endpoint address = " net.tcp://jirigala-PC:8888/DotNet.Service/ModuleService/ "  binding = " netTcpBinding "  bindingConfiguration = " netTcpBindingSmiple "  contract = " DotNet.IService.IModuleService "  name = " DotNet.Service.ModuleService " ></ endpoint >
       < endpoint address = " net.tcp://jirigala-PC:8888/DotNet.Service/OrganizeService/ "  binding = " netTcpBinding "  bindingConfiguration = " netTcpBindingSmiple "  contract = " DotNet.IService.IOrganizeService "  name = " DotNet.Service.OrganizeService " ></ endpoint >
       < endpoint address = " net.tcp://jirigala-PC:8888/DotNet.Service/ParameterService/ "  binding = " netTcpBinding "  bindingConfiguration = " netTcpBindingSmiple "  contract = " DotNet.IService.IParameterService "  name = " DotNet.Service.ParameterService " ></ endpoint >
       < endpoint address = " net.tcp://jirigala-PC:8888/DotNet.Service/PermissionItemService/ "  binding = " netTcpBinding "  bindingConfiguration = " netTcpBindingSmiple "  contract = " DotNet.IService.IPermissionItemService "  name = " DotNet.Service.PermissionItemService " ></ endpoint >
       < endpoint address = " net.tcp://jirigala-PC:8888/DotNet.Service/PermissionService/ "  binding = " netTcpBinding "  bindingConfiguration = " netTcpBindingSmiple "  contract = " DotNet.IService.IPermissionService "  name = " DotNet.Service.PermissionService " ></ endpoint >
       < endpoint address = " net.tcp://jirigala-PC:8888/DotNet.Service/RoleService/ "  binding = " netTcpBinding "  bindingConfiguration = " netTcpBindingSmiple "  contract = " DotNet.IService.IRoleService "  name = " DotNet.Service.RoleService " ></ endpoint >
       < endpoint address = " net.tcp://jirigala-PC:8888/DotNet.Service/SequenceService/ "  binding = " netTcpBinding "  bindingConfiguration = " netTcpBindingSmiple "  contract = " DotNet.IService.ISequenceService "  name = " DotNet.Service.SequenceService " ></ endpoint >
       < endpoint address = " net.tcp://jirigala-PC:8888/DotNet.Service/StaffService/ "  binding = " netTcpBinding "  bindingConfiguration = " netTcpBindingSmiple "  contract = " DotNet.IService.IStaffService "  name = " DotNet.Service.StaffService " ></ endpoint >
       < endpoint address = " net.tcp://jirigala-PC:8888/DotNet.Service/UserService/ "  binding = " netTcpBinding "  bindingConfiguration = " netTcpBindingSmiple "  contract = " DotNet.IService.IUserService "  name = " DotNet.Service.UserService " ></ endpoint >
       < endpoint address = " net.tcp://jirigala-PC:8888/DotNet.Service/BusinessDbHelperService/ "  binding = " netTcpBinding "  bindingConfiguration = " netTcpBindingSmiple "  contract = " DotNet.IService.IDbHelperService "  name = " DotNet.Service.BusinessDbHelperService " ></ endpoint >
       < endpoint address = " net.tcp://jirigala-PC:8888/DotNet.Service/UserCenterDbHelperService/ "  binding = " netTcpBinding "  bindingConfiguration = " netTcpBindingSmiple "  contract = " DotNet.IService.IDbHelperService "  name = " DotNet.Service.UserCenterDbHelperService " ></ endpoint >
       < endpoint address = " net.tcp://jirigala-PC:8888/DotNet.Service/WorkFlowActivityAdminService/ "  binding = " netTcpBinding "  bindingConfiguration = " netTcpBindingSmiple "  contract = " DotNet.IService.IWorkFlowActivityAdminService "  name = " DotNet.Service.WorkFlowActivityAdminService " ></ endpoint >
       < endpoint address = " net.tcp://jirigala-PC:8888/DotNet.Service/WorkFlowCurrentService/ "  binding = " netTcpBinding "  bindingConfiguration = " netTcpBindingSmiple "  contract = " DotNet.IService.IWorkFlowCurrentService "  name = " DotNet.Service.WorkFlowCurrentService " ></ endpoint >
       < endpoint address = " net.tcp://jirigala-PC:8888/DotNet.Service/WorkFlowProcessAdminService/ "  binding = " netTcpBinding "  bindingConfiguration = " netTcpBindingSmiple "  contract = " DotNet.IService.IWorkFlowProcessAdminService "  name = " DotNet.Service.WorkFlowProcessAdminService " ></ endpoint >
       < endpoint address = " net.tcp://jirigala-PC:8888/DotNet.Service/TableColumnsService/ "  binding = " netTcpBinding "  bindingConfiguration = " netTcpBindingSmiple "  contract = " DotNet.IService.ITableColumnsService "  name = " DotNet.Service.TableColumnsService " ></ endpoint >
     </ client >

     < bindings >
       < netTcpBinding >
         < binding name = " netTcpBindingSmiple "  maxBufferPoolSize = " 2147483647 "  maxReceivedMessageSize = " 2147483647 "  closeTimeout = " 00:00:05 "  openTimeout = " 00:00:02 "  receiveTimeout = " 10:10:10 "  sendTimeout = " 00:00:30 " >
           < security mode = " Message "   >
             < message clientCredentialType = " UserName "      />
           </ security  >
         </ binding >
       </ netTcpBinding >
     </ bindings >

   </ system.serviceModel >
</ configuration >