如何将 JSON 参数传递给 RESTful WCF 服务？

Question

我开发了一个 Restful WCF 服务，我需要传递一个 json 字符串作为输入。 json 字符串是可变的。这是我的服务：

[WebGet(UriTemplate = "{id}", BodyStyle = WebMessageBodyStyle.Bare, RequestFormat = WebMessageFormat.Json, ResponseFormat = WebMessageFormat.Xml)]
public string GetById(string id)
{

    string sampleItem = id;


    return sampleItem;
}

这是一个 json 示例：

{  
   "name":"obj1",
   "x":11,
   "y":20,
   "obj":{  
      "testKey":"val"
   },
   "z":30,
   "tab":[  
      1,
      2,
      46
   ],
   "employees":[  
      {  
         "firstName":"John",
         "lastName":"Doe"
      },
      {  
         "firstName":"Anna",
         "lastName":"Smith"
      },
      {  
         "firstName":"Peter",
         "lastName":"Jones"
      }
   ]
}

当http://localhost:7626/Service1/myjsonstring

我收到此错误：Erreur HTTP 400 - 错误请求。

P.S：如果我传递一个简单的字符串，它就可以工作。任何想法请

Answer 1

首先我建议您需要使用 POST 方法来达到这样的目的。读取原始字符串的最简单方法是将其作为 Stream。所以你的服务界面可能是这样的：

[ServiceContract]
public interface IService1
{
    [WebInvoke(Method = "POST", UriTemplate = "PostJson")]
    string PostJson(Stream request);
}

和实施：

public class Service1 : IService1
{
    public string PostJson(Stream request)
    {
        using (var reader = new StreamReader(request))
        {
            return "You posted: " + reader.ReadToEnd();
        }
    }
}

另请检查您的 Web.Config:

中的配置是否正确

<system.serviceModel>
  <services>
    <service name="WcfService1.Service1">
      <endpoint address="" behaviorConfiguration="restfulBehavior" 
                binding="webHttpBinding" bindingConfiguration=""
                contract="WcfService1.IService1">
      </endpoint>
    </service>
  </services>
  <behaviors>
    <serviceBehaviors>
      <behavior>
        <!-- To avoid disclosing metadata information, set the value below to false before deployment -->
        <serviceMetadata httpGetEnabled="true"/>
        <!-- To receive exception details in faults for debugging purposes, set the value below to true.  Set to false before deployment to avoid disclosing exception information -->
        <serviceDebug includeExceptionDetailInFaults="false"/>
      </behavior>
    </serviceBehaviors>
    <endpointBehaviors>
      <behavior name="restfulBehavior">
        <webHttp />
      </behavior>
    </endpointBehaviors>
  </behaviors>
  <serviceHostingEnvironment multipleSiteBindingsEnabled="true" />
</system.serviceModel>

如何将 JSON 参数传递给 RESTful WCF 服务？

How to pass a JSON parameter to RESTful WCF service?

c#

rest

wcf

json