C# 百度TTS，文本轉語音，RestAPI之Get請求

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因為用得到，所以作個記錄：

代碼如下：

public class BaiduTTSService : IBaiduTTSService    {        public string tok = GetBaiduToken();        private const string lan = "zh";//語言        private const string per = "4";//發音人選擇 0位女  1位男  預設 女0為女聲，1為男聲，3為情感合成-度逍遙，4為情感合成-度丫丫，預設為普通女聲        private const string ctp = "1";//用戶端類型選擇 web端為1          private const string spd = "3";//範圍0~9  預設 5   語速        private const string pit = "4";//範圍0~9  預設 5   音調        private const string vol = "5";//範圍0~9  預設 5   音量        private string cuid = Computer.GetMacAddress();//機器Mak地址        private const string rest = "tex={0}&lan={1}&per={2}&ctp={3}&cuid={4}&tok={5}&spd={6}&pit={7}&vol={8}";        /// <summary>        /// tex 即：被轉化的文本  可以是中英文結合體，如：hello 陳臥龍        /// </summary>        /// <param name="tex"></param>        /// <returns></returns>        public string GetBaiduUri(string tex)        {            string Uri = "http://tsn.baidu.com/text2audio?" + string.Format(rest, tex, lan, per, ctp, cuid, tok, spd, pit, vol);            return Uri;        }        /// <summary>        /// 擷取百度Token  百度Token有效請為30天         /// </summary>        /// <returns></returns>        public static string GetBaiduToken()        {            //string Uri = "https://openapi.baidu.com/oauth/2.0/token?grant_type=client_credentials&client_id=dtjDLFlWaT1lz3CAifBNhAm7&client_secret=97dd50144c85d92cc215d6ff06202666";            //string page = GetPage(Uri, "");            //string Token = GetJsonValue(page, "access_token");            return "24.926b57f9665a644fa7b38c76c021834d.2592000.1496304195.282335-9593280";        }        #region 擷取網路資源        /// <summary>        /// 擷取網路資源          /// </summary>        /// <param name="posturl">請求的URL</param>        /// <param name="postData">發送的資料</param>        /// <returns>json格式的字串</returns>        public static string GetPage(string posturl, string postData)        {            //WX_SendNews news = new WX_SendNews();             //posturl： news.Posturl;            //postData：news.PostData;            System.IO.Stream outstream = null;            Stream instream = null;            StreamReader sr = null;            HttpWebResponse response = null;            HttpWebRequest request = null;            Encoding encoding = Encoding.UTF8;            byte[] data = encoding.GetBytes(postData);            // 準備請求...              try            {                // 設定參數                  request = WebRequest.Create(posturl) as HttpWebRequest;                CookieContainer cookieContainer = new CookieContainer();                request.CookieContainer = cookieContainer;                request.AllowAutoRedirect = true;                request.Method = "POST";                request.ContentType = "application/x-www-form-urlencoded";                request.ContentLength = data.Length;                outstream = request.GetRequestStream();                outstream.Write(data, 0, data.Length);                outstream.Close();                //發送請求並擷取相應回應資料                  response = request.GetResponse() as HttpWebResponse;                //直到request.GetResponse()程式才開始向目標網頁發送Post請求                  instream = response.GetResponseStream();                sr = new StreamReader(instream, encoding);                //返回結果網頁（html）代碼                  string content = sr.ReadToEnd();                string err = string.Empty;                return content;            }            catch (Exception ex)            {                string err = ex.Message;                return string.Empty;            }        }        #endregion        #region 擷取Json字串某節點的值        /// <summary>        /// 擷取Json字串某節點的值        /// </summary>        public static string GetJsonValue(string jsonStr, string key)        {            string result = string.Empty;            if (!string.IsNullOrEmpty(jsonStr))            {                key = "\"" + key.Trim(‘"‘) + "\"";                int index = jsonStr.IndexOf(key) + key.Length + 1;                if (index > key.Length + 1)                {                    //先截逗號，若是最後一個，截“｝”號，取最小值                    int end = jsonStr.IndexOf(‘,‘, index);                    if (end == -1)                    {                        end = jsonStr.IndexOf(‘}‘, index);                    }                    result = jsonStr.Substring(index, end - index);                    result = result.Trim(new char[] { ‘"‘, ‘ ‘, ‘\‘‘ }); //過濾引號或空格                }            }            return result;        }        #endregion           }

詳情請參考百度TTS API：網址：http://yuyin.baidu.com/docs/tts/133

C# 百度TTS，文本轉語音，RestAPI之Get請求