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。
1 public void PostData() 2 { 3 string url = "http://sms.bj.baidubce.com/bce/v2/message"; 4 //string url = "http://sms.bj.baidubce.com/v1/message"; 5 string ak = "*******"; 6 string sk = "*******"; 7 string jsonStr = "{\"invokeId\":\"调用ID\",\"phoneNumber\":\"18102301717\",\"templateCode\":\"smsTpl:b43d4ccc-7ca6-49dd-90af-faea6b4f2190\",\"contentVar\":{ \"feeType\": \"物业费\",\"fee\":\"80\"}}"; 8 HttpWebRequest httpRequest = WebRequest.Create(url) as HttpWebRequest; 9 Uri uri = httpRequest.RequestUri; 10 httpRequest.Method = "POST"; 11 HttpWebResponse httpResponse = null; 12 DateTime now = DateTime.Now; 13 int expirationInSeconds = 1800; 14 string signDate = now.ToUniversalTime().ToString("yyyy'-'MM'-'dd'T'HH':'mm':'ssK"); 15 string authString = "bce-auth-v1/" + ak + "/" + signDate + "/" + expirationInSeconds; 16 string signingKey = Hex(new HMACSHA256(Encoding.UTF8.GetBytes(sk)).ComputeHash(Encoding.UTF8.GetBytes(authString))); 17 string canonicalRequestString = CanonicalRequest(httpRequest); 18 string signature = Hex(new HMACSHA256(Encoding.UTF8.GetBytes(signingKey)).ComputeHash(Encoding.UTF8.GetBytes(canonicalRequestString))); 19 string authorization = authString + "/host/" + signature; 20 httpRequest.ContentType = "application/json"; 21 httpRequest.KeepAlive = false; 22 httpRequest.Headers["Authorization"] = authorization; 23 httpRequest.Headers["x-bce-content-sha256"] = signingKey; 24 httpRequest.Headers["x-bce-date"] = signDate; 25 if (0 < jsonStr.Length) 26 { 27 byte[] data = Encoding.UTF8.GetBytes(jsonStr); 28 using (Stream stream = httpRequest.GetRequestStream()) 29 { 30 stream.Write(data, 0, data.Length); 31 } 32 } 33 try 34 { 35 httpResponse = (HttpWebResponse)httpRequest.GetResponse(); 36 } 37 catch (WebException ex) 38 { 39 httpResponse = (HttpWebResponse)ex.Response; 40 } 41 Console.WriteLine(httpResponse.StatusCode); 42 Console.WriteLine(httpResponse.Method); 43 Console.WriteLine(httpResponse.Headers); 44 Stream st = httpResponse.GetResponseStream(); 45 StreamReader reader = new StreamReader(st, Encoding.GetEncoding("utf-8")); 46 Console.WriteLine(reader.ReadToEnd()); 47 Console.WriteLine("\n"); 48 } 49 static string UriEncode(string input, bool encodeSlash = false) 50 { 51 StringBuilder builder = new StringBuilder(); 52 foreach (byte b in Encoding.UTF8.GetBytes(input)) 53 { 54 if ((b >= 'a' && b <= 'z') || (b >= 'A' && b <= 'Z') || (b >= '0' && b <= '9') || b == '_' || b == '-' || b == '~' || b == '.') 55 { 56 builder.Append((char)b); 57 } 58 else if (b == '/') 59 { 60 if (encodeSlash) 61 { 62 builder.Append("%2F"); 63 } 64 else 65 { 66 builder.Append((char)b); 67 } 68 } 69 else 70 { 71 builder.Append('%').Append(b.ToString("X2")); 72 } 73 } 74 return builder.ToString(); 75 } 76 77 static string Hex(byte[] data) 78 { 79 var sb = new StringBuilder(); 80 foreach (var b in data) 81 { 82 sb.Append(b.ToString("x2")); 83 } 84 return sb.ToString(); 85 } 86 87 static string CanonicalRequest(HttpWebRequest req) 88 { 89 Uri uri = req.RequestUri; 90 StringBuilder canonicalReq = new StringBuilder(); 91 canonicalReq.Append(req.Method).Append("\n").Append(UriEncode(Uri.UnescapeDataString(uri.AbsolutePath))).Append("\n"); 92 93 var parameters = HttpUtility.ParseQueryString(uri.Query); 94 List<string> parameterStrings = new List<string>(); 95 foreach (KeyValuePair<string, string> entry in parameters) 96 { 97 parameterStrings.Add(UriEncode(entry.Key) + '=' + UriEncode(entry.Value)); 98 } 99 parameterStrings.Sort(); 100 canonicalReq.Append(string.Join("&", parameterStrings.ToArray())).Append("\n"); 101 102 string host = uri.Host; 103 if (!(uri.Scheme == "https" && uri.Port == 443) && !(uri.Scheme == "http" && uri.Port == 80)) 104 { 105 host += ":" + uri.Port; 106 } 107 canonicalReq.Append("host:" + UriEncode(host)); 108 return canonicalReq.ToString(); 109 }
