將JSON發布到WCF Rest Service時出錯

Question

我有一個WCF Rest服務，我正在嘗試使用Firefox Rest Client進行測試，

我正在調用的方法的簽名是

        [WebInvoke(Method = "POST", UriTemplate = "UploadEvidenceData/{userName}/{password}/{cdb}")]
    public EvidenceData UploadEvidenceData(string userName, string password, string cdb, EvidenceData evidence)

數據合同的證據是

    [DataContract(Name = "EvidenceData", Namespace = "http://StudentEvidence.com")]
public class EvidenceData
{
    [DataMember]
    public string LearnerID { get; set; }

    [DataMember]
    public string UnitID { get; set; }

    [DataMember]
    public string AssessorID { get; set; }

    [DataMember]
    public int MethodO { get; set; }  //int

    [DataMember]
    public int MethodEwt { get; set; }  //int

    [DataMember]
    public int MethodEp { get; set; }  //int

    [DataMember]
    public int MethodQc { get; set; }  //int

    [DataMember]
    public int MethodEps { get; set; }  //int

    [DataMember]
    public int MethodPd { get; set; }  //int

    [DataMember]
    public int MethodS { get; set; }  //int

    [DataMember]
    public int MethodEwa { get; set; }  //int

    [DataMember]
    public int MethodEch { get; set; }  //int

    [DataMember]
    public int MethodEwe { get; set; }  //int

    [DataMember]
    public int MethodApel { get; set; }  //int

    [DataMember]
    public int EvidenceID { get; set; }  //int

    [DataMember]
    public string EvidenceFileName { get; set; }

    [DataMember]
    public int EvidenceFileSize { get; set; }  //int

    [DataMember]
    public string EvidenceDescription { get; set; }

    [DataMember]
    public string AssessorFeedback { get; set; }

    [DataMember]
    public string Signature { get; set; }

    [DataMember]
    public int RequirementID { get; set; }  //int

    [DataMember]
    public int ModuleID { get; set; }  //int

    public EvidenceData()
    {
        this.LearnerID = string.Empty;
        this.UnitID = string.Empty;
        this.AssessorID = string.Empty;
        this.MethodO = 0;
        this.MethodEwt = 0;
        this.MethodEp = 0;
        this.MethodQc = 0;
        this.MethodEps = 0;
        this.MethodPd = 0;
        this.MethodS = 0;
        this.MethodEwa = 0;
        this.MethodEch = 0;
        this.MethodEwe = 0;
        this.MethodApel = 0;
        this.EvidenceID = 0;
        this.EvidenceFileName = string.Empty;
        this.EvidenceFileSize = 0;
        this.EvidenceDescription = string.Empty;
        this.AssessorFeedback = string.Empty;
        this.Signature = null;
        this.RequirementID = 0;
        this.ModuleID = 0;
    }
}

當我使用客戶端時，請使用地址http://something.com/Service/UploadEvidence/user/pass/mydb

在我身上

{"AssessorFeedback":"Nothing to report","AssessorID":"32fac8c2-0f9b-4cad-a2e4-55b06e968da0","EvidenceDescription":"some evidence","EvidenceFileName":"Lighthouse.jpg","EvidenceFileSize":561276,"EvidenceID":0,"LearnerID":"61b9eca6-6c3e-4bd3-8963-69d9ad3e5eeb","MethodApel":0,"MethodEch":0,"MethodEp":0,"MethodEps":0,"MethodEwa":0,"MethodEwe":0,"MethodEwt":0,"MethodO":0,"MethodPd":0,"MethodQc":0,"MethodS":0,"ModuleID":1131,"RequirementID":30476,"Signature":null,"UnitID":"c33ea6e1-ac54-46dc-a512-3a2efafd5a0b"}

而且我有application / json的自定義標頭

所有這些都可以從.net客戶端正常運行，但不能每次都從firefox 400的其余客戶端插件正常運行。

很感謝任何形式的幫助

唐

我的Web配置文件

<?xml version="1.0" encoding="utf-8"?>
<configuration>
  <system.web>
    <httpRuntime maxRequestLength="2147483647"/>
    <compilation debug="true" targetFramework="4.0">
      <assemblies>
        <add assembly="System.Data.Entity, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
      </assemblies>
    </compilation>
  </system.web>
  <system.webServer>
    <modules runAllManagedModulesForAllRequests="true">
      <add name="UrlRoutingModule" type="System.Web.Routing.UrlRoutingModule, System.Web, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
    </modules>
  </system.webServer>
  <system.serviceModel>
    <behaviors>
      <serviceBehaviors>
        <behavior>
          <dataContractSerializer maxItemsInObjectGraph="2147483647"/>
        </behavior>
      </serviceBehaviors>
    </behaviors>
    <serviceHostingEnvironment aspNetCompatibilityEnabled="true" />
    <standardEndpoints>
      <webHttpEndpoint>
        <standardEndpoint name=""
                          helpEnabled="true"
                          automaticFormatSelectionEnabled="true"
                          defaultOutgoingResponseFormat="Json"
                          maxReceivedMessageSize="2147483647"
                          maxBufferSize="2147483647"
                          transferMode="Buffered" />

      </webHttpEndpoint>
    </standardEndpoints>
    <services></services>
  </system.serviceModel>
</configuration>

Answer 1

400通常意味着錯誤的Http方法。 Firefox客戶端是否使用GET（這將要求您的方法使用不同的屬性，並對Web.config進行調整以允許Web獲取），或者確定是POST？

此外，請檢查此內容類型問題： 為什么我的C＃客戶端（發布到WCF REST服務）過后返回（400）錯誤請求？

另請參閱是否將RequestFormat = WebMessageFormat.Json添加到[WebInvoke]屬性以裝飾服務方法是否[WebInvoke]幫助。 我認為這默認為xml，這可能是.NET客戶端發送的內容。 http://msdn.microsoft.com/zh-CN/library/system.servicemodel.web.webinvokeattribute.requestformat.aspx