百度短信API开发

由于楼主学的是C#，所以目前做的百度短信API是C#版的，废话不说了，直接上代码。

 public void PostData()
         {
             string url = "http://sms.bj.baidubce.com/bce/v2/message";
             //string url = "http://sms.bj.baidubce.com/v1/message";
             string ak = "*******";
             string sk = "*******";
             string jsonStr = "{\"invokeId\":\"调用ID\",\"phoneNumber\":\"18102301717\",\"templateCode\":\"smsTpl:b43d4ccc-7ca6-49dd-90af-faea6b4f2190\",\"contentVar\":{ \"feeType\": \"物业费\",\"fee\":\"80\"}}";
             HttpWebRequest httpRequest = WebRequest.Create(url) as HttpWebRequest;
             Uri uri = httpRequest.RequestUri;
             httpRequest.Method = "POST";
             HttpWebResponse httpResponse = null;
             DateTime now = DateTime.Now;
             int expirationInSeconds = ;
             string signDate = now.ToUniversalTime().ToString("yyyy'-'MM'-'dd'T'HH':'mm':'ssK");
             string authString = "bce-auth-v1/" + ak + "/" + signDate + "/" + expirationInSeconds;
             string signingKey = Hex(new HMACSHA256(Encoding.UTF8.GetBytes(sk)).ComputeHash(Encoding.UTF8.GetBytes(authString)));
             string canonicalRequestString = CanonicalRequest(httpRequest);
             string signature = Hex(new HMACSHA256(Encoding.UTF8.GetBytes(signingKey)).ComputeHash(Encoding.UTF8.GetBytes(canonicalRequestString)));
             string authorization = authString + "/host/" + signature;
             httpRequest.ContentType = "application/json";
             httpRequest.KeepAlive = false;
             httpRequest.Headers["Authorization"] = authorization;
             httpRequest.Headers["x-bce-content-sha256"] = signingKey;
             httpRequest.Headers["x-bce-date"] = signDate;
             if ( < jsonStr.Length)
             {
                 byte[] data = Encoding.UTF8.GetBytes(jsonStr);
                 using (Stream stream = httpRequest.GetRequestStream())
                 {
                     stream.Write(data, , data.Length);
                 }
             }
             try
             {
                 httpResponse = (HttpWebResponse)httpRequest.GetResponse();
             }
             catch (WebException ex)
             {
                 httpResponse = (HttpWebResponse)ex.Response;
             }
             Console.WriteLine(httpResponse.StatusCode);
             Console.WriteLine(httpResponse.Method);
             Console.WriteLine(httpResponse.Headers);
             Stream st = httpResponse.GetResponseStream();
             StreamReader reader = new StreamReader(st, Encoding.GetEncoding("utf-8"));
             Console.WriteLine(reader.ReadToEnd());
             Console.WriteLine("\n");
         }
         static string UriEncode(string input, bool encodeSlash = false)
         {
             StringBuilder builder = new StringBuilder();
             foreach (byte b in Encoding.UTF8.GetBytes(input))
             {
                 if ((b >= 'a' && b <= 'z') || (b >= 'A' && b <= 'Z') || (b >= '' && b <= '') || b == '_' || b == '-' || b == '~' || b == '.')
                 {
                     builder.Append((char)b);
                 }
                 else if (b == '/')
                 {
                     if (encodeSlash)
                     {
                         builder.Append("%2F");
                     }
                     else
                     {
                         builder.Append((char)b);
                     }
                 }
                 else
                 {
                     builder.Append('%').Append(b.ToString("X2"));
                 }
             }
             return builder.ToString();
         }

         static string Hex(byte[] data)
         {
             var sb = new StringBuilder();
             foreach (var b in data)
             {
                 sb.Append(b.ToString("x2"));
             }
             return sb.ToString();
         }

         static string CanonicalRequest(HttpWebRequest req)
         {
             Uri uri = req.RequestUri;
             StringBuilder canonicalReq = new StringBuilder();
             canonicalReq.Append(req.Method).Append("\n").Append(UriEncode(Uri.UnescapeDataString(uri.AbsolutePath))).Append("\n");

             var parameters = HttpUtility.ParseQueryString(uri.Query);
             List<string> parameterStrings = new List<string>();
             foreach (KeyValuePair<string, string> entry in parameters)
             {
                 parameterStrings.Add(UriEncode(entry.Key) + '=' + UriEncode(entry.Value));
             }
             parameterStrings.Sort();
             canonicalReq.Append(string.Join("&", parameterStrings.ToArray())).Append("\n");

             string host = uri.Host;
             if (!(uri.Scheme == "https" && uri.Port == ) && !(uri.Scheme == "http" && uri.Port == ))
             {
                 host += ":" + uri.Port;
             }
             canonicalReq.Append("host:" + UriEncode(host));
             return canonicalReq.ToString();
         }