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 = 1800;
            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 (0 < jsonStr.Length)
            {
                byte[] data = Encoding.UTF8.GetBytes(jsonStr);
                using (Stream stream = httpRequest.GetRequestStream())
                {
                    stream.Write(data, 0, 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("
");
        }
        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 >= '0' && b <= '9') || 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("
").Append(UriEncode(Uri.UnescapeDataString(uri.AbsolutePath))).Append("
");

            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("
");

            string host = uri.Host;
            if (!(uri.Scheme == "https" && uri.Port == 443) && !(uri.Scheme == "http" && uri.Port == 80))
            {
                host += ":" + uri.Port;
            }
            canonicalReq.Append("host:" + UriEncode(host));
            return canonicalReq.ToString();
        }