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C#快递单号查询源码

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互联网集市收集整理的这篇技术教程文章主要介绍了C#快递单号查询源码，小编现在分享给大家，供广大互联网技能从业者学习和参考。文章包含5407字，纯文字阅读大概需要8分钟。

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源码本人测试过，没有啥问题，能查询快递单号，支持的快递还挺多，圆通快递、申通快递、韵达快递的都支持单号查询的，程序是通过向爱快递(www.aikuaidi.cn)接口传输参数来查询快递单号，我直接把代码帖出来，很好的解决我单个开发的麻烦。

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/// <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;
         }
}

原文：http://www.cnblogs.com/zhangjin001/p/3762937.html

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