C#怎么实现快递鸟API接口签名

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方法调用的代码实现

//电商IDstring eEBusinessID = "test1617571"; //电商加密私钥，快递鸟提供，注意保管，不要泄漏string appKey= "554343b2-7252-439b-b4eb-1af42c8f2175"; //请求urlstring reqURL = "http://sandboxapi.kdniao.com:8080/kdniaosandbox/gateway/exterfaceInvoke.json";//请求指令 string reqType="1002";//2-json string dataType = "2"; //字符编码采用UTF-8 string charset = "UTF-8"; //JSON字符串string string jsonStr = "{\"OrderCode\":\"\",\"ShipperCode\":\"SF\",\"LogisticCode\":\"118461988807\"}" ;//把(jsonStr+APIKey)进行MD5加密string md5Str=MD5(jsonStr + apiKey, charset);//把md5Str 进行Base64编码string base64Str=base64(md5Str,charset);//进行URL编码 (utf-8)string datasign = HttpUtility.UrlEncode(base64Str, charset); //请求报文参数 string postStr = "RequestType=reqType&EBusinessID= eEBusinessID&RequestData=jsonStr &DataSign= datasign&DataType=dataType"; //通讯协议使用Http协议Post请求方式 返回轨迹数据string post = SendPost(reqURL, postStr);//获取到的post数据就是快递鸟返回的完整报文，接下来自己写一个解析json的方法就能获取到里面的字段信息。

C#封装的方法

///
    /// 字符串MD5加密    ///
    ///要加密的字符串    ///编码方式    ///密文    private string MD5(string str, string charset)    {        byte[] buffer = System.Text.Encoding.GetEncoding(charset).GetBytes(str);        try        {            System.Security.Cryptography.MD5CryptoServiceProvider check;            check = new System.Security.Cryptography.MD5CryptoServiceProvider();            byte[] somme = check.ComputeHash(buffer);            string ret = "";            foreach (byte a in somme)            {                if (a < 16)                    ret += "0" + a.ToString("X");                else                    ret += a.ToString("X");            }            return ret.ToLower();        }        catch        {            throw;        }    }    /// 
    /// base64编码    /// 
    /// 内容    /// 编码方式    ///     private string base64(String str, String charset)    {        return Convert.ToBase64String(System.Text.Encoding.GetEncoding(charset).GetBytes(str));} /// 
    /// Post方式提交数据，返回网页的源代码    /// 
    /// 发送请求的 URL    /// 请求报文参数    /// 远程资源的响应结果    private string SendPost(string url, string postData)    {        string result = "";        byte[] byteData = Encoding.GetEncoding("UTF-8").GetBytes(postData.ToString());        try        {            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);            request.ContentType = "application/x-www-form-urlencoded";            request.Referer = url;            request.Accept = "*/*";            request.Timeout = 30 * 1000;            request.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)";            request.Method = "POST";            request.ContentLength = byteData.Length;            Stream stream = request.GetRequestStream();            stream.Write(byteData, 0, byteData.Length);            stream.Flush();            stream.Close();            HttpWebResponse response = (HttpWebResponse)request.GetResponse();            Stream backStream = response.GetResponseStream();            StreamReader sr = new StreamReader(backStream, Encoding.GetEncoding("UTF-8"));            result = sr.ReadToEnd();            sr.Close();            backStream.Close();            response.Close();            request.Abort();        }        catch (Exception ex)        {            result = ex.ToString();        }        return result;    }

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