[英]How can I remove xmlns:xsi and xmlns:xsd in the return xml in .net core?
[英]How to remove xmlns:xsi and xmlns:xsd from Web API XML serializer
幾個小時后,我一直在努力從ASP.NET Web Api中序列化我的獨立對象(不是MVC模型)返回的XML中刪除默認命名空間。 該應用程序的示例代碼是:
類定義:
public class PaymentNotificationResponse
{
[XmlArray("Payments")]
[XmlArrayItem("Payment", typeof(PaymentResponse))]
public PaymentResponse[] Payments { get; set; }
}
然后,我創建了一個Web Api Controler,它根據某些輸入創建了PaymentNotificationResponse
的對象,然后將該對象序列化到請求方。 控制器如下:
public class PaymentController : ApiController
{
public PaymentNotificationResponse Post()
{
//Read request content (only available async), run the task to completion and pick the stream.
var strmTask = Request.Content.ReadAsStreamAsync();
while (strmTask.Status != TaskStatus.RanToCompletion) { }
Stream strm = strmTask.Result;
//Go back to the beginning of the stream, so that the data can be retrieved. Web Api reads it to the end.
if (strm.CanSeek)
strm.Seek(0, SeekOrigin.Begin);
//Read stream content and convert to string.
byte[] arr = new byte[strm.Length];
strm.Read(arr, 0, arr.Length);
String str = Encoding.UTF8.GetString(arr);
//Change the default serializer to XmlSerializer from DataContractSerializer, so that I don't get funny namespaces in properties.
//Then set a new XmlSerializer for the object
Configuration.Formatters.XmlFormatter.UseXmlSerializer = true;
Configuration.Formatters.XmlFormatter.SetSerializer<PaymentNotificationResponse>(new XmlSerializer(typeof(PaymentNotificationResponse)));
//Now call a function that would convert the string to the required object, which would then be serialized when the Web Api is invoked.
return CreatePaymentNotificationFromString(str);
}
}
問題是,當我用有效的字符串參數調用Api時,它返回這種格式的XML(有效的XML,但不需要xmlns):
<PaymentNotificationResponse xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<Payments>
<Payment>
<PaymentLogId>8325</PaymentLogId>
<Status>0</Status>
</Payment>
</Payments>
</PaymentNotificationResponse>
我發送給它的系統不需要xmlns:xsi
和xmlns:xsd
。 實際上,它在看到名稱空間時會返回異常。
我嘗試使用XML標記返回一個字符串,它只是將響應包裝在<string></string>
並編碼所有<和>。 所以這不是一個選擇。
我看到了這篇文章和這篇 文章 。 雖然前者非常詳細,但它並沒有解決我的問題。 它只是向生成的XML引入了一個額外的xmlns
。 我認為這是因為我沒有在XmlSerializer
顯式調用.Serialize()
函數。
我想出了一個解決方案,我想我應該分享。 所以我會在答案中說明。
為了解決這個問題,我添加了一個方法來序列化PaymentNotificationResponse
並返回一個XML字符串,因此(我將其包含在PaymentNotificationResponse
的定義中):
//I added this method after I tried serialize directly to no avail
public String SerializeToXml()
{
MemoryStream ms = new MemoryStream();
XmlSerializerNamespaces ns = new XmlSerializerNamespaces();
ns.Add("", "");
new XmlSerializer(typeof(PaymentNotificationResponse)).Serialize(ms, this, ns);
XmlTextWriter textWriter = new XmlTextWriter(ms, Encoding.UTF8);
ms = (System.IO.MemoryStream)textWriter.BaseStream;
return new UTF8Encoding().GetString(ms.ToArray());
}
我解析了字符串以創建XDocument
,然后返回根元素。 這使我將Post()
方法的返回類型更改為XElement
。 Post()
列表將是:
public XElement Post()
{
//...Same as it was in the question, just the last line that changed.
var pnr = CreatePaymentNotificationFromString(str);
return XDocument.Parse(pnr.SerializeToXml()).Root;
}
這將使我的響應XML:
<PaymentNotificationResponse>
<Payments>
<Payment>
<PaymentLogId>8325</PaymentLogId>
<Status>0</Status>
</Payment>
</Payments>
</PaymentNotificationResponse>
我希望這可以幫助別人。
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