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Calling a webservice that uses ISO-8859-1 encoding from WCF
我正在尝试使用 VS 2008、.net 3.5、WCF(环境:Windows XP 和 VS 2008)来使用外部 Web 服务(该 Web 服务具有 PHP 实现)。我将服务引用添加到 Web 服务，VS 生成 WCF 代理。
绑定(bind)是basicHttpBinding。
我调用 Web 服务中的方法，使用代理，然后我开始收到 ProtocolException，我收到以下错误消息:
System.ServiceModel.ProtocolException: The content type text/xml; charset=ISO-8859-1 of the response message does not match the content type of the binding (text/xml; charset=utf-8). If using a custom encoder, be sure that the IsContentTypeSupported method is implemented properly.
The first 644 bytes of the response were:
This was successful
好吧，我需要调用一个 iso-8859-1 编码的服务。
任何有用的示例源代码来解决它？
更新:
WCF 中使用的默认编码器仅适用于 UTF-8 和 UTF-16(大端和小端)。
如果我在 app.config 的绑定(bind)中使用 textEncoding="iso-8859-1"，
我收到这个错误:
System.ArgumentException: No se admite la codificación de texto 'iso-8859-1' usada en el formato de mensaje de texto. Nombre del parámetro: encoding.
System.ServiceModel.Channels.TextEncoderDefaults.ValidateEncoding(Encoding encoding) System.ServiceModel.Channels.TextMessageEncodingBindingElement.set_WriteEncoding(Encoding value) System.ServiceModel.BasicHttpBinding.set_TextEncoding(Encoding value) System.ServiceModel.Configuration.BasicHttpBindingElement.OnApplyConfiguration(Binding binding) System.ServiceModel.Configuration.StandardBindingElement.ApplyConfiguration(Binding binding) System.ServiceModel.Description.ConfigLoader.LookupBinding(String bindingSectionName, String configurationName, ContextInformation context) System.ServiceModel.Description.ConfigLoader.LoadChannelBehaviors(ServiceEndpoint serviceEndpoint, String configurationName) System.ServiceModel.ChannelFactory.ApplyConfiguration(String configurationName) System.ServiceModel.ChannelFactory.InitializeEndpoint(String configurationName, EndpointAddress address) ctor(String endpointConfigurationName, EndpointAddress remoteAddress) CreateSimplexFactory() CreateChannelFactory() CreateChannelFactoryRef(EndpointTrait`1 endpointTrait) InitializeChannelFactoryRef() ctor() IntegracionEasyVista.ServiceEasyVista.WebServicePortTypeClient..ctor() in
更新:
从 WCF 调用使用 ISO-8859-1 编码的 Web 服务
Calling a webservice that uses ISO-8859-1 encoding from WCF
这个 MSDN 页面 ( http://msdn.microsoft.com/en-us/library/ms751486(v=VS.90).aspx ) 展示了如何创建一个支持 utf-8、utf-16 和 unicode 编码以上的“CustomTextEncoder”。它包含完整的示例源代码，对我的工作非常有用。
我使用 CustomTextMessageEncodingElement，但出现错误:
The content type text/xml; charset=ISO-8859-1 of the response message does not match the content type of the binding (text/xml;charset=iso-8859-1). If using a custom encoder, be sure that the IsContentTypeSupported method is implemented properly. The first 1024 bytes of the response were:**
从 Samples MSDN 的代码中，我修改了 CustomTextMessageEncoder 类的构造函数:
public CustomTextMessageEncoder(CustomTextMessageEncoderFactory factory)
{
writerSettings = new XmlWriterSettings();
writerSettings.Encoding = Encoding.GetEncoding(factory.CharSet);
contentType = string.Format("{0};charset={1}",
factory.MediaType, this.writerSettings.Encoding.HeaderName);
}
我将“{0};charset={1}”替换为“{0};charset={1}”(我包含了一个空白)
然后，我得到错误:
The message version of the outgoing message (Soap11 (http://schemas.xmlsoap.org/soap/envelope/) AddressingNone
(http://schemas.microsoft.com/ws/2005/05/addressing/none)) does not match that of the encoder
(Soap12 (http://www.w3.org/2003/05/soap-envelope) Addressing10 (http://www.w3.org/2005/08/addressing)).
Make sure the binding is configured with the same version as the message.