Question

在控制台中学习WCF RESTful，主持人，

我的步骤：

创建样本模型
创建服务合同
创建服务
在控制台中托管此服务。
运行此主机，看起来不错。
创建一个winform，通过json post将服务地址用于服务主机。
我希望它可行，但返回http 400。

我试过WCF（不是REST）控制台托管的WebAPI，一切都好。

最后，stackoverflow.com

请帮助

模型

[Serializable]
public abstract class Building
{
    public Manufacturer Manufacturer { get; set; }
}

[Serializable]
public class Manufacturer
{
    public string Name { get; set; }

    public string Telephone { get; set; }
}

[Serializable]
public class Furniture : Building
{
    public string Name { get; set; }
}

[Serializable]
public class Reception
{
    public int Floor { get; set; }

    public int Number { get; set; }
}

[Serializable]
public class Room : Building
{
    public string Number { get; set; }

    public List<Furniture> Furnitures { get; set; }
}

[Serializable]
public class Hotel : Building
{
    public Guid Guid { get; set; }

    public List<Reception> Receptions { get; set; }

    public List<Room> Rooms { get; set; }

    public string Name { get; set; }

    public string Address { get; set; }
}

合同

[ServiceContract]
public interface IHotel
{
    // Create objct Hotel
    [OperationContract]
    [WebInvoke(UriTemplate = "", Method = "POST", RequestFormat= WebMessageFormat.Json, ResponseFormat=WebMessageFormat.Json)]
    bool Create(Hotel hotel);
}

服务

public class HotelService : I Hotel
{
    public bool Build(Models.Hotel hotel)
    {
        if (hotel == null)
            return false;

        // codes here is object hotel(EF) creation, test OK
        return true;
    }
}

主机（控制台）

WebServiceHost serviceHost = new WebServiceHost(typeof(Demo.Services.HotelService), new Uri("http://192.168.1.101/HotelService"));
ServiceEndpoint endpoint = serviceHost.AddServiceEndpoint(typeof(Demo.Contracts.IHotel), new WebHttpBinding(), "");
ServiceDebugBehavior sdb = serviceHost.Description.Behaviors.Find<ServiceDebugBehavior>();
sdb.HttpHelpPageEnabled = false;

Console.WriteLine("Starting Service...");
// start service
serviceHost.Open();
Console.WriteLine("Started, press RETURN to exit.");
Console.ReadLine();
serviceHost.Close();

客户端（Winform的）

呼叫者

public bool BuildHotel(string json)
{
    WebRequest request = HttpWebRequest.Create("http://192.168.1.101/HotelService");

    request.ContentType = "application/json";

    byte[] data = Encoding.UTF8.GetBytes(json);
    request.ContentLength = data.Length;
    Stream requestStream = request.GetRequestStream();
    requestStream.Write(data, 0, data.Length);
    requestStream.Close();

    WebResponse response = request.GetResponse(); // 400 throwed here
    Stream responseStream = response.GetResponseStream();
    StreamReader responseStreamReader = new StreamReader(responseStream);
    string result = responseStreamReader.ReadToEnd();

    return true;
}

在

{
    "Guid":"ea59c011-d656-4870-b29b-30a44e668560",
    "Receptions":[
        {"Floor":1,"Number":1},
        {"Floor":2,"Number":2}
    ],
    "Rooms":[
        {
            "Number":"c",
            "Furnitures":[
                {"Name":"1","Manufacturer":{"Name":"1","Telephone":"1"}},
                {"Name":"2","Manufacturer":{"Name":"2","Telephone":"2"}}
            ],
            "Manufacturer":{"Name":"c","Telephone":"c"}
        }
    ],
    "Name":"x",
    "Address":"x",
    "Manufacturer":{"Name":"x","Telephone":"x"}
}

Answer 1

它期望这种JSON：

{＆＃34; K_ BackingField＆＃34; {＆＃34; k _BackingField＆＃34;：＆＃34; 4＆＃34;＆＃34; K_ BackingField＆＃34;：＆＃34; 4＆＃34;}＆＃34; k _BackingField＆＃34;：＆＃34; X＆＃34;＆＃34; K_ BackingField＆＃34 ;: ＆＃34; ea59c011-d656-4870-B29B-30a44e668560＆＃34;＆＃34; k _BackingField＆＃34;：＆＃34; X＆＃34;＆＃34; K_ BackingField＆＃ 34;：[{＆＃34; k _BackingField＆＃34;：1，＆＃34; K_ BackingField＆＃34;：1}，{＆＃34; k _BackingField＆＃34 ;：2＆＃34; K_ BackingField＆＃34;：2}]，＆＃34; k _BackingField＆＃34;：[{＆＃34; K_ BackingField＆＃34 ;: {＆＃34; k _BackingField＆＃34;：＆＃34; 3＆＃34;＆＃34; K_ BackingField＆＃34;：＆＃34; 3＆＃34;}＆＃34 ; k _BackingField＆＃34;：[{＆＃34; K_ BackingField＆＃34; {＆＃34; k _BackingField＆＃34;：＆＃34; 1＆＃34 ;, ＆＃34; K_ BackingField＆＃34;：＆＃34; 1＆＃34;}＆＃34; k _BackingField＆＃34;：＆＃34; 1＆＃34;}，{＆＃ 34; K_ BackingField＆＃34; {＆＃34; k _BackingField＆＃34;：＆＃34; 2＆＃34;＆＃34; K_ BackingField＆＃34;：＆＃ 34; 2＆＃34;}＆＃34; k _BackingField＆＃34;：＆＃34; 2＆＃34;}]，＆＃34; k__BackingField＆＃34;：空}]}

要更改它，您可以使用DataContract和DataMember属性标记所有数据合同：

    [DataContract]
    public abstract class Building
    {
        [DataMember]
        public Manufacturer Manufacturer { get; set; }
    }

在这种情况下，它会理解你在问题中给我们的json，并会成功处理它。

WCF RESTful控制台托管，返回400错误请求

1 个答案: