Express query C #,

Express query C #,

// E-commerce ID
Private string EBusinessID = "1257164 ";
// The private key is encrypted in e-commerce and provided by the courier bird. Keep it safe and do not leak it.
Private string AppKey = "63a33b7c-464c-4de6-b4a3-6e1fc19da51c ";
// Request url
Private string ReqURL = "http://api.kdniao.cc/Ebusiness/EbusinessOrderHandle.aspx ";

/// <Summary>
/// Query the order logistics track in Json format
/// </Summary>
/// <Returns> </returns>
Public string postkuaidi (string com, string nu)
{
Dictionary <string, string> list = new Dictionary <string, string> ();
# Region express
List. Add ("postal mail", "YZPY ");
List. Add ("China Post", "YZPY ");
List. Add ("China Post", "YZPY ");
List. Add ("Shentong express", "STO ");

# Endregion
String typeCom = "";
Foreach (var dc in list)
{
If (com = dc. Key)
{
TypeCom = dc. Value;
}
}
String requestData = "{OrderCode:'', ShipperCode: '"+ typeCom +"', 'logisticcode': '"+ nu + "'}";

Dictionary <string, string> param = new Dictionary <string, string> ();
Param. Add ("RequestData", HttpUtility. UrlEncode (requestData, Encoding. UTF8 ));
Param. Add ("EBusinessID", EBusinessID );
Param. Add ("RequestType", "1002 ");
String dataSign = encrypt (requestData, AppKey, "UTF-8 ");
Param. Add ("DataSign", HttpUtility. UrlEncode (dataSign, Encoding. UTF8 ));
Param. Add ("DataType", "2 ");

String result = sendPost (ReqURL, param );

// Process the returned information according to the company's business ......
JObject jo = JObject. Parse (result );
Return jo. ToString ();
}

 

/// <Summary>
/// Submit data in Post mode and return the source code of the webpage
/// </Summary>
/// <Param name = "url"> URL of the Request </param>
/// <Param name = "param"> set of Request Parameters </param>
/// <Returns> Remote resource response result </returns>
Private string sendPost (string url, Dictionary <string, string> param)
{
String result = "";
StringBuilder postData = new StringBuilder ();
If (param! = Null & param. Count> 0)
{
Foreach (var p in param)
{
If (postData. Length> 0)
{
PostData. Append ("&");
}
PostData. Append (p. Key );
PostData. Append ("= ");
PostData. Append (p. Value );
}
}
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 3.0.20.6.2152 ;. 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. Message;
}
Return result;
}

/// <Summary>
/// E-commerce Sign
/// </Summary>
/// <Param name = "content"> content </param>
/// <Param name = "keyValue"> Appkey </param>
/// <Param name = "charset"> URL encoding </param>
/// <Returns> DataSign signature </returns>
Private string encrypt (String content, String keyValue, String charset)
{
If (keyValue! = Null)
{
Return base64 (MD5 (content + keyValue, charset), charset );
}
Return base64 (MD5 (content, charset), charset );
}

/// <Summary>
/// String MD5 Encryption
/// </Summary>
/// <Param name = "str"> string to be encrypted </param>
/// <Param name = "charset"> encoding method </param>
/// <Returns> ciphertext </returns>
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;
}
}

/// <Summary>
/// Base64 encoding
/// </Summary>
/// <Param name = "str"> content </param>
/// <Param name = "charset"> encoding method </param>
/// <Returns> </returns>
Private string base64 (String str, String charset)
{
Return Convert. ToBase64String (System. Text. Encoding. GetEncoding (charset). GetBytes (str ));
}