[英]415 Unsupported Media Type Calling WCF Service from $.ajax
我试图从ASPX页面调用WCF Web服务,如下所示:
var payload = {
applicationKey: 40868578
};
$.ajax({
url: "/Services/AjaxSupportService.svc/ReNotify",
type: "POST",
data: JSON.stringify(payload),
contentType: "application/json",
dataType: "json"
});
这样做会导致Web服务器返回错误415 Unsupported Media Type
。 我确定这是WCF服务的配置问题,其定义如下:
[OperationContract]
[WebInvoke(Method = "POST", RequestFormat = WebMessageFormat.Json)]
void ReNotify(int applicationKey);
web.config
文件中没有任何条目,因此假定该服务使用默认配置。
我不是这方面的专家,实际上我有同样的问题(由于另一个原因)。 但是,WCF服务似乎并不固有地支持AJAX,因此您必须在web.config文件中具有以下代码才能启用它。
<system.serviceModel>
<behaviors>
<endpointBehaviors>
<behavior name="NAMESPACE.AjaxAspNetAjaxBehavior">
<enableWebScript />
</behavior>
</endpointBehaviors>
</behaviors>
<serviceHostingEnvironment aspNetCompatibilityEnabled="true"
multipleSiteBindingsEnabled="true" />
<services>
<service name="NAMESPACE.SERVICECLASS">
<endpoint address="" behaviorConfiguration="NAMESPACE.AjaxAspNetAjaxBehavior"
binding="webHttpBinding" contract="NAMESPACE.SERVICECLASS" />
</service>
</services>
</system.serviceModel>
然后在服务类中
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;
using System.ServiceModel;
using System.ServiceModel.Activation;
using System.ServiceModel.Web;
using System.Text;
namespace NAMESPACE
{
[ServiceBehavior(IncludeExceptionDetailInFaults = true)]
[ServiceContract(Namespace = "")]
[AspNetCompatibilityRequirements(RequirementsMode = AspNetCompatibilityRequirementsMode.Allowed)]
public class SERVICECLASS
{
// To use HTTP GET, add [WebGet] attribute. (Default ResponseFormat is WebMessageFormat.Json)
// To create an operation that returns XML,
// add [WebGet(ResponseFormat=WebMessageFormat.Xml)],
// and include the following line in the operation body:
// WebOperationContext.Current.OutgoingResponse.ContentType = "text/xml";
[OperationContract]
public string DoWork()
{
// Add your operation implementation here
return "Success";
}
// Add more operations here and mark them with [OperationContract]
}
}
这是当我添加启用了AJAX的WCF服务时VS 2012生成的。
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