public interface IService
    {
        #region 获得用户id
        /// <summary>
        /// 获得用户id Post方法
        /// </summary>
        /// <param name="formData"></param>
        /// <returns></returns>
        [OperationContract(Name = "PostGetUserID")]
        [WebInvoke(Method="Post",   UriTemplate = "GetUserID", ResponseFormat = WebMessageFormat.Json)]
        User GetUserID(Stream formData);

        /// <summary>
        /// 获得用户id Get方法
        /// </summary>
        /// <param name="Nick"></param>
        /// <returns></returns>
        [OperationContract(Name = "GetUserID")]
        [WebInvoke(Method = "*", UriTemplate = "GetUserID?Nick={Nick}", ResponseFormat = WebMessageFormat.Json)]
        User GetUserID(string Nick);
        #endregion

    }

 public class Service : IService
    {
        #region 获得用户id
        #region Post方法
        public User GetUserID(Stream formdata)
        {
            User user = new User();
            try
            {
                StreamReader sr = new StreamReader(formdata);
                string formData = sr.ReadToEnd();
                sr.Dispose();
                NameValueCollection qs = HttpUtility.ParseQueryString(formData);
                string Nick = qs["Nick"];
                user.UserNick = Nick;

                SILogger.Write("\\GetUserIDErrorPost", Nick);
            }
            catch (Exception ex)
            {
                SILogger.Write("\\GetUserIDErrorPost", ex.ToString());
            }
            return user;
        }
        #endregion

        #region Get方法
        public User GetUserID(string Nick)
        {
            User user = new User();
            user.UserNick = Nick;
            try
            {
                SILogger.Write("\\GetUserIDErrorGet", Nick);
            }
            catch (Exception ex)
            {
                SILogger.Write("\\GetUserIDErrorGet", ex.ToString());
            }
            return user;
        }
        #endregion
        #endregion

    }

[DataContract]
    public class User
    {
        /// <summary>
        /// 
        /// </summary>
        [DataMember]
        public string UserNick { get; set; }

        /// <summary>
        /// 淘宝用户id
        /// </summary>
        [DataMember]
        public long UserID { get; set; }
    }

/// <summary>
        ///OnStart 的测试
        ///</summary>
        [TestMethod()]
        [DeploymentItem("DataCenter.exe")]
        public void OnStartTest()
        {
            DataCenter_Accessor target = new DataCenter_Accessor(); // TODO: 初始化为适当的值
            string[] args = null; // TODO: 初始化为适当的值
            target.OnStart(args);
            while (true)
            {
                Thread.Sleep(20000000);
            }

            // Assert.Inconclusive("无法验证不返回值的方法。");
        }