快递api网接口快递调用方法

    ----------------实体类
    [DataContract]
    public class SyncResponseEntity
    {
        public SyncResponseEntity() { }
        /// <summary>
        /// 需要查询的快递代号
        /// </summary>
        [DataMember(Order = 0, Name = "id")]
        public string ID { get; set; }

        /// <summary>
        /// 需要查询的快递名称
        /// </summary>
        [DataMember(Order = 1, Name = "name")]
        public string Name { get; set; }

        /// <summary>
        /// 需要查询的快递单号
        /// </summary>
        [DataMember(Order = 2, Name = "order")]
        public string Order { get; set; }

        /// <summary>
        /// 消息内容
        /// </summary>
        [DataMember(Order = 5, Name = "message")]
        public string Message { get; set; }

        /// <summary>
        /// 服务器状态
        /// </summary>
        [DataMember(Order = 6, Name = "errcode")]
        public string ErrCode { get; set; }

        /// <summary>
        /// 运单状态
        /// </summary>
        [DataMember(Order = 7, Name = "status")]
        public int Status { get; set; }

        /// <summary>
        /// 跟踪记录
        /// </summary>
        [DataMember(Order = 8, Name = "data")]
        public List<Order> Data { get; set; }
    }

    [DataContract(Name = "data")]
    public class Order
    {
        public Order() { }
        public Order(string time, string content)
        {
            this.Time = time;
            this.Content = content;
        }

        [DataMember(Order = 0, Name = "time")]
        public string Time { get; set; }

        [DataMember(Order = 1, Name = "content")]
        public string Content { get; set; }

    }

---------调用方法
public static int uid = Utils.GetAppConfig<int>("KUAIDIAPI_UID", 0);
        public static string sync_url = Utils.GetAppConfig<string>("KUAIDIAPI_SYNC_URL", string.Empty);
        public static string key = Utils.GetAppConfig<string>("KUAIDIAPI_KEY", string.Empty);

        /// <summary>
        /// 同步单号查询方法
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="id"></param>
        /// <param name="order"></param>
        /// <param name="isSign"></param>
        /// <param name="isLast"></param>
        /// <param name="defaultValue"></param>
        /// <returns></returns>
        public static T APIQueryDataSYNC<T>(string id,
                                             string order,
                                             bool isSign,
                                             bool isLast,
                                             T defaultValue)
        {
            try
            {
                string currTime = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
                string currKey = key;
                if (isSign)
                {
                    currKey = Utils.GetSign(uid, key, id, order, currTime);
                    currKey += "&issign=true";
                }

                string url = sync_url + string.Format("?uid={0}&key={1}&id={2}&order={3}&time={4}",
                                            uid, currKey, id, order, HttpUtility.UrlEncode(currTime));

                string html = Utils.GET_WebRequestHTML("utf-8", url);

                if (!string.IsNullOrEmpty(html))
                    return Utils.JsonToObj<T>(html, defaultValue);
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message);
            }

            return defaultValue;
        }

    }

    /// <summary>
    /// 辅助工具类
    /// </summary>
    public class Utils
    {
        public static string GetSign(int uid, string key, string id, string order, string time)
        {
            string sign = string.Format("uid={0}&key={1}&id={2}&order={3}&time={4}",
                                        uid,
                                        key,
                                        id,
                                        HttpUtility.UrlEncode(order.ToLower()),
                                        HttpUtility.UrlEncode(time));

            return Md5Encrypt(sign.ToLower(), "utf-8");
        }

        public static string Md5Encrypt(string strToBeEncrypt, string encodingName)
        {
            MD5 md5 = new MD5CryptoServiceProvider();
            Byte[] FromData = System.Text.Encoding.GetEncoding(encodingName).GetBytes(strToBeEncrypt);
            Byte[] TargetData = md5.ComputeHash(FromData);
            string Byte2String = "";
            for (int i = 0; i < TargetData.Length; i++)
            {
                Byte2String += TargetData[i].ToString("x2");
            }
            return Byte2String;
        }

        public static T GetRequest<T>(string key, T defaultValue)
        {
            string value = HttpContext.Current.Request[key];

            if (string.IsNullOrEmpty(value))
            {
                return defaultValue;
            }
            else
            {
                try
                {
                    return (T)Convert.ChangeType(value, typeof(T));
                }
                catch
                {
                    return defaultValue;
                }
            }
        }

        public static T GetAppConfig<T>(string key, T defaultValue)
        {
            string value = ConfigurationManager.AppSettings[key];

            if (string.IsNullOrEmpty(value))
            {
                return defaultValue;
            }
            else
            {
                try
                {
                    return (T)Convert.ChangeType(value, typeof(T));
                }
                catch
                {
                    return defaultValue;
                }
            }
        }

        public static string ObjToJson<T>(T data)
        {
            try
            {
                DataContractJsonSerializer serializer = new DataContractJsonSerializer(data.GetType());
                using (MemoryStream ms = new MemoryStream())
                {
                    serializer.WriteObject(ms, data);
                    return Encoding.UTF8.GetString(ms.ToArray());
                }
            }
            catch
            {
                return null;
            }
        }

        public static T JsonToObj<T>(string json, T defaultValue)
        {
            try
            {
                System.Runtime.Serialization.Json.DataContractJsonSerializer serializer = new System.Runtime.Serialization.Json.DataContractJsonSerializer(typeof(T));
                using (MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(json)))
                {
                    object obj = serializer.ReadObject(ms);

                    return (T)Convert.ChangeType(obj, typeof(T));
                }
            }
            catch
            {
                return defaultValue;
            }
        }

        public static T XmlToObj<T>(string xml, T defaultValue)
        {
            try
            {
                System.Runtime.Serialization.DataContractSerializer serializer = new System.Runtime.Serialization.DataContractSerializer(typeof(T));
                using (MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(xml)))
                {
                    object obj = serializer.ReadObject(ms);

                    return (T)Convert.ChangeType(obj, typeof(T));
                }
            }
            catch
            {
                return defaultValue;
            }
        }

        public static string ObjToXml<T>(T data)
        {
            System.Runtime.Serialization.DataContractSerializer serializer = new System.Runtime.Serialization.DataContractSerializer(typeof(T));
            using (MemoryStream ms = new MemoryStream())
            {
                serializer.WriteObject(ms, data);
                return Encoding.UTF8.GetString(ms.ToArray());

            }
        }

        public static string GET_WebRequestHTML(string encodingName, string htmlUrl)
        {
            string html = string.Empty;

            try
            {
                Encoding encoding = Encoding.GetEncoding(encodingName);

                WebRequest webRequest = WebRequest.Create(htmlUrl);
                HttpWebResponse httpWebResponse = (HttpWebResponse)webRequest.GetResponse();
                Stream responseStream = httpWebResponse.GetResponseStream();
                StreamReader streamReader = new StreamReader(responseStream, encoding);

                html = streamReader.ReadToEnd();

                httpWebResponse.Close();
                responseStream.Close();
                streamReader.Close();
            }
            catch (WebException ex)
            {
                throw new Exception(ex.Message);
            }

            return html;
        }

        /// <summary>
        /// 将网址类容转换成文本字符串 post请求
        /// </summary>
        /// <param name="data">要post的数据</param>
        /// <param name="url">目标url</param>
        /// <returns>服务器响应</returns>
        public static string POST_HttpWebRequestHTML( string encodingName,
                                                      string htmlUrl,
                                                      string postData)
        {
            string html = string.Empty;

            try
            {
                Encoding encoding = Encoding.GetEncoding(encodingName);

                byte[] bytesToPost = encoding.GetBytes(postData);

                WebRequest webRequest = WebRequest.Create(htmlUrl);
                HttpWebRequest httpRequest = webRequest as System.Net.HttpWebRequest;

                httpRequest.Method = "POST";
                httpRequest.UserAgent = "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.2; .NET CLR 1.1.4322; .NET CLR 2.0.50727)";
                httpRequest.ContentType = "application/x-www-form-urlencoded";
                httpRequest.ContentLength = bytesToPost.Length;
                httpRequest.Timeout = 15000;
                httpRequest.ReadWriteTimeout = 15000;
                Stream requestStream = httpRequest.GetRequestStream();
                requestStream.Write(bytesToPost, 0, bytesToPost.Length);
                requestStream.Close();

                HttpWebResponse httpWebResponse = (HttpWebResponse)httpRequest.GetResponse();
                Stream responseStream = httpWebResponse.GetResponseStream();
                StreamReader streamReader = new StreamReader(responseStream, encoding);

                html = streamReader.ReadToEnd();
            }
            catch (WebException ex)
            {
                throw new Exception(ex.Message);
            }

            return html;
        }
    }

    /// <summary>
    /// 接口类型
    /// </summary>
    public enum APIType
    {
        //同步查询
        SYNC = 1
    }

基本上代码都在上面。在带www.kuaidiapi.cn上申请一个uid就大功告成。