WCF将消息编码从Utf-16更改为Utf-8 [英] WCF Change message encoding from Utf-16 to Utf-8
问题描述
我在.net核心应用程序中有一个WCF连接的服务.我使用的是通过wsdl定义自动生成的代码.
I have a WCF connected service in a .net core application. I'm using the code that is autogenerated taken the wsdl definition.
当前，请求xml的顶部包含以下行:
Currently at the top of the request xml is including this line:
<?xml version ="1.0" encoding ="utf-16"?>
在发送请求时，我找不到将这种编码更改为UTF-8的简单方法.
I can't find a simple way to change this encoding to UTF-8 when sending the request.
由于我可以在请求/客户端对象中找到配置选项，因此我尝试使用 IClientMessageInspector.BeforeSendRequest
Since I could find a configuration option a the request/client objects, I've tried to change the message with following code at IClientMessageInspector.BeforeSendRequest
public object BeforeSendRequest(ref Message request, IClientChannel channel)
{
// Load a new xml document from current request
var xmlDocument = new XmlDocument();
xmlDocument.LoadXml(request.ToString());
((XmlDeclaration)xmlDocument.FirstChild).Encoding = Encoding.UTF8.HeaderName;
// Create streams to copy
var memoryStream = new MemoryStream();
var xmlWriter = XmlWriter.Create(memoryStream);
xmlDocument.Save(xmlWriter);
xmlWriter.Flush();
xmlWriter.Close();
memoryStream.Position = 0;
var xmlReader = XmlReader.Create(memoryStream);
// Create a new message
var newMessage = Message.CreateMessage(request.Version, null, xmlReader);
newMessage.Headers.CopyHeadersFrom(request);
newMessage.Properties.CopyProperties(request.Properties);
return null;
}
但是newMessage对象仍然使用utf-16编写xml声明.从那时起，我可以在监视窗口中进行调试时看到它.
But the newMessage object still writes the xml declaration using utf-16. I can see it while debugging at the watch window since.
任何关于如何实现(应该是)简单更改的想法都会非常感激.
Any idea on how to accomplish this (should be) simple change will be very apreciated.
推荐答案
您使用哪个绑定来创建通信渠道?CustomBinding中包含的textmessageencoding元素通常包含TextEncoding属性.
https://docs.microsoft.com/en-us/dotnet/framework/configure-apps/file-schema/wcf/textmessageencoding
WriteEncoding属性指定用于在绑定上发出消息的字符集编码.有效值为
Which binding do you use to create the communication channel? The textmessageencoding element which has been contained in the CustomBinding generally contains TextEncoding property.
https://docs.microsoft.com/en-us/dotnet/framework/configure-apps/file-schema/wcf/textmessageencoding
WriteEncoding property specifies the character set encoding to be used for emitting messages on the binding. Valid values are
- UnicodeFffeTextEncoding:Unicode BigEndian编码
- Utf16TextEncoding:Unicode编码
- Utf8TextEncoding:8位编码
默认值为Utf8TextEncoding.此属性的类型为Encoding.至于特定的绑定，它也包含textEncoding属性.
https://docs.microsoft.com/en-us/dotnet/api/system.servicemodel.basichttpbinding.textencoding?view=netframework-4.0
随时让我知道是否有什么可以帮助您的.
The default is Utf8TextEncoding. This attribute is of type Encoding.
As for the specific binding, it contains the textEncoding property too.
https://docs.microsoft.com/en-us/dotnet/api/system.servicemodel.basichttpbinding.textencoding?view=netframework-4.0
Feel free to let me know if there is anything I can help with.
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