WCF Restful 服务在发布 xml 数据时出现错误 400(错误请求) [英] WCF Restful services getting error 400 (bad request) when post xml data

问题描述

我正在尝试自行托管 WCF 服务并通过 javascript 调用这些服务.当我通过 Json 传递请求数据而不是 xml(400 错误请求)时，它起作用.请帮忙.

I am trying to self host a WCF services and calling the services via javascript. It works when I pass the request data via Json but not xml (400 bad request). Please help.

合同:

public interface iSelfHostServices
{

    [OperationContract]
    [WebInvoke(Method = "POST", UriTemplate = INFOMATO.RestTemplate.hello_post2,RequestFormat = WebMessageFormat.Xml, ResponseFormat = WebMessageFormat.Xml, BodyStyle = WebMessageBodyStyle.Wrapped)]
    Stream hello_post2(string helloString);

}

服务端代码:

public Stream hello_post2(string helloString)
{
    if (helloString == null)
    {
        WebOperationContext.Current.OutgoingResponse.StatusCode = System.Net.HttpStatusCode.BadRequest;
        return null;
    }
    WebOperationContext.Current.OutgoingResponse.StatusCode = System.Net.HttpStatusCode.OK;
    return new MemoryStream(Encoding.UTF8.GetBytes(helloString));

}

JavaScript:

JavaScript:

function testSelfHost_WCFService_post_Parameter() {

   var xmlString = "<helloString>'hello via Post'</helloString>";
   Ajax_sendData("hello/post2", xmlString);
}

function Ajax_sendData(url, data) {
   var request = false;
   request = getHTTPObject();
   if (request) {
       request.onreadystatechange = function() {
       parseResponse(request);
       };

       request.open("post", url, true);
       request.setRequestHeader("Content-Type", "text/xml; charset=utf-8"); charset=utf-8"); 
       request.send(data);
       return true;
   }
}

function getHTTPObject() {
   var xhr = false;
   if (window.XMLHttpRequest) {
      xhr = new XMLHttpRequest();
      } else if (window.ActiveXObject) {...}
}

推荐答案

那是因为 WCF 期望您传递的字符串使用 Microsoft 序列化命名空间进行序列化.如果您发送，

That's because WCF is expecting the string you pass to be serialized using the Microsoft serialization namespace. If you send,

<string xmlns='http://schemas.microsoft.com/2003/10/Serialization/'>hello via Post</string>

那么它可能会正确反序列化.

then it will probably deserialize properly.

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