/// <summary>
/// 动态创建Wcf客户端代理实例[支持HttpBinding]
/// </summary>
/// <typeparam name="T">Contract/接口</typeparam>
/// <param name="uri">Wcf服务地址</param>
/// <returns>代理实例</returns>
public static T CreateServiceProxy <T>(string uri, WcfServiceBinding wsb)
{
var key = string.Format("{0} - {1}", typeof(T), uri);
if (Caching.Get <T>(key) == null)
{
var binding = CreateBinding(wsb);
if (binding != null)
{
var chan = new ChannelFactory <T>(binding, new EndpointAddress(uri));
foreach (var item in chan.Endpoint.Contract.Operations)
{
var dataContractBehavior = item.Behaviors.Find <DataContractSerializerOperationBehavior>();
if (dataContractBehavior != null)
{
dataContractBehavior.MaxItemsInObjectGraph = int.MaxValue;
}
}
chan.Open();
var service = chan.CreateChannel();
Caching.Set(key, service);
return(service);
}
}
else
{
return(Caching.Get <T>(key));
}
return(default(T));
}
/// <summary>
/// 创建通道绑定信息
/// </summary>
private static Binding CreateBinding(WcfServiceBinding wsb)
{
Binding binding = null;
switch (wsb)
{
case WcfServiceBinding.BasicHttpBinding:
{
var tmpBinding = new BasicHttpBinding();
tmpBinding.MaxBufferSize = maxReceivedMessageSize;
tmpBinding.MaxBufferPoolSize = maxReceivedMessageSize;
tmpBinding.MaxReceivedMessageSize = maxReceivedMessageSize;
tmpBinding.MaxReceivedMessageSize = maxReceivedMessageSize;
tmpBinding.ReaderQuotas = new XmlDictionaryReaderQuotas();
tmpBinding.ReaderQuotas.MaxStringContentLength = maxReceivedMessageSize;
tmpBinding.ReaderQuotas.MaxArrayLength = maxReceivedMessageSize;
tmpBinding.ReaderQuotas.MaxBytesPerRead = maxReceivedMessageSize;
tmpBinding.OpenTimeout = timeout;
tmpBinding.ReceiveTimeout = timeout;
tmpBinding.SendTimeout = timeout;
tmpBinding.CloseTimeout = timeout;
binding = tmpBinding;
}
break;
case WcfServiceBinding.NetTcpBinding:
{
var tmpBinding = new NetTcpBinding();
tmpBinding.MaxReceivedMessageSize = tmpBinding.MaxReceivedMessageSize * 1000;
tmpBinding.Security.Mode = SecurityMode.None;
binding = tmpBinding;
}
break;
case WcfServiceBinding.WSHttpBinding:
{
var tmpBinding = new WSHttpBinding(SecurityMode.None);
tmpBinding.MaxReceivedMessageSize = tmpBinding.MaxReceivedMessageSize * 1000;
tmpBinding.Security.Message.ClientCredentialType = MessageCredentialType.None;
tmpBinding.Security.Transport.ClientCredentialType = HttpClientCredentialType.None;
binding = tmpBinding;
}
break;
}
return(binding);
}
