[HttpPost]

public HttpResponseMessage test([FromBody]List<Class1> list)

{

    return Common.JsonHelper.ToJson(null);

}

[Serializable]

public class Class1

{

    public int ID { get; set; }

    public string Value { get; set; }

}

POST http://127.0.0.1:8021/HISApi/bgService.Service/Ylxm/test HTTP/1.1

cache-control: no-cache

Postman-Token: 70ccc912-0737-43ff-94db-5fefdcbcb067

Accept: application/json, text/javascript, */*; q=0.01

Content-Type: application/json

User-Agent: PostmanRuntime/3.0.9

Host: 127.0.0.1:8021

accept-encoding: gzip, deflate

content-length: 30

Connection: keep-alive

[{"ID":10,"Value":" 张三 "}]

[Serializable]

[DataContract]

public class Class1

{

    [DataMember]

    public int ID { get; set; }

    [DataMember]

    public string Value { get; set; }

}