C# 调用科大讯飞语音转写接口上传音频文件转文字可直接用
作者：互联网
namespace ConsoleApp0//科大讯飞语音转写接口调用
{
class Program
{
static string appId = "******";
static string appKey = "*********************";//SecretKey
static void Main(string[] args)
{
var filePath = @"E:\A\OK.wav";
var taskid = YuChuLi(filePath);
UploadFile(taskid, filePath);
HeBingFile(taskid);
Thread.Sleep(1000 * 60 * 2);
GetResult(taskid);
Console.ReadKey();
}
public static string md5Encrypt(string str)
{
MD5 md5 = MD5.Create();
byte[] buffer = Encoding.UTF8.GetBytes(str);//将字符串转成字节数组
byte[] byteArray = md5.ComputeHash(buffer);//调用加密方法
StringBuilder sb = new StringBuilder();
foreach (byte b in byteArray)//遍历字节数组
{
sb.Append(b.ToString("x2"));//将字节数组转成16进制的字符串。X表示16进制，2表示每个16字符占2位
}
return sb.ToString();
}
public static string HMACSHA1Text(string text, string key)
{
//HMACSHA1加密
HMACSHA1 hmacsha1 = new HMACSHA1();
hmacsha1.Key = System.Text.Encoding.UTF8.GetBytes(key);
byte[] dataBuffer = System.Text.Encoding.UTF8.GetBytes(text);
byte[] hashBytes = hmacsha1.ComputeHash(dataBuffer);
var enText = new StringBuilder();
foreach (byte iByte in hashBytes)
{
enText.AppendFormat("{0:x2}", iByte);
}
return enText.ToString();
}
//再次Base64编码
public static string HMACSHA1Text2(string text, string key)
{
//HMACSHA1加密
HMACSHA1 hmacsha1 = new HMACSHA1();
hmacsha1.Key = System.Text.Encoding.UTF8.GetBytes(key);
byte[] dataBuffer = System.Text.Encoding.UTF8.GetBytes(text);
byte[] hashBytes = hmacsha1.ComputeHash(dataBuffer);
return Convert.ToBase64String(hashBytes);
}
public static string ToBase64Str(string Str)
{
byte[] b = System.Text.Encoding.Default.GetBytes(Str);
return Convert.ToBase64String(b);
}
public static string ToPaeameter(object source)
{
var buff = new StringBuilder(string.Empty);
if (source == null)
throw new ArgumentNullException("source", "Unable to convert object to a dictionary. The source object is null.");
foreach (PropertyDescriptor property in TypeDescriptor.GetProperties(source))
{
object value = property.GetValue(source);
if (value != null)
{
buff.Append(WebUtility.UrlEncode(property.Name) + "=" + WebUtility.UrlEncode(value + "") + "&");
}
}
return buff.ToString().Trim('&');
}
public static string GetSigna()
{
TimeSpan mTimeSpan = DateTime.Now.ToUniversalTime() - new DateTime(1970, 1, 1, 0, 0, 0);
long time = (long)mTimeSpan.TotalSeconds;
var baseString = appId + time.ToString();
//MD5加密
var md5Str = md5Encrypt(baseString);
var signa = HMACSHA1Text2(md5Str, appKey);//HMACSHA1加密兼base64
return signa;
}
public static string GetTs()
{
TimeSpan mTimeSpan = DateTime.Now.ToUniversalTime() - new DateTime(1970, 1, 1, 0, 0, 0);
long time = (long)mTimeSpan.TotalSeconds;
return time.ToString();
}
public static byte[] AuthGetFileData(string fileUrl)
{
using (FileStream fs = new FileStream(fileUrl, FileMode.OpenOrCreate, FileAccess.ReadWrite))
{
byte[] buffur = new byte[fs.Length];
using (BinaryWriter bw = new BinaryWriter(fs))
{
bw.Write(buffur);
bw.Close();
}
return buffur;
}
}
public static string GetFileSize(long filesize)
{
try
{
if (filesize < 0)
{
return "0";
}
else if (filesize >= 1024 * 1024 * 1024) //文件大小大于或等于1024MB
{
return string.Format("{0:0.00} GB", (double)filesize / (1024 * 1024 * 1024));
}
else if (filesize >= 1024 * 1024) //文件大小大于或等于1024KB
{
return string.Format("{0:0.00} MB", (double)filesize / (1024 * 1024));
}
else if (filesize >= 1024) //文件大小大于等于1024bytes
{
return string.Format("{0:0.00} KB", (double)filesize / 1024);
}
else
{
return string.Format("{0:0.00} bytes", filesize);
}
}
catch (Exception ex)
{
throw ex;
}
}
static string YuChuLi(string filePath)
{
FileInfo t = new FileInfo(filePath);
var fileSize = t.Length;
var fileName = Path.GetFileName(filePath);
var url = @"http://raasr.xfyun.cn/api/prepare";
TimeSpan mTimeSpan = DateTime.Now.ToUniversalTime() - new DateTime(1970, 1, 1, 0, 0, 0);
long time = (long)mTimeSpan.TotalSeconds;
var baseString = appId + time.ToString();
//MD5加密
var md5Str = md5Encrypt(baseString);
var signa = HMACSHA1Text2(md5Str, appKey);//HMACSHA1加密兼base64
var dic = new Dictionary<string, string>();
dic.Add("app_id", $"{appId}");
dic.Add("signa", $"{signa}");
dic.Add("ts", time.ToString());
dic.Add("file_len", $"{fileSize}");
dic.Add("file_name", $"{fileName}");
dic.Add("slice_num", "1");
var result = string.Empty;
using (HttpClient client = new HttpClient())
{
HttpContent httpContent = new FormUrlEncodedContent(dic);
httpContent.Headers.ContentType = new MediaTypeHeaderValue("application/x-www-form-urlencoded");
httpContent.Headers.ContentType.CharSet = "utf-8";
HttpResponseMessage responseMessage = client.PostAsync(url, httpContent).Result;
result = responseMessage.Content.ReadAsStringAsync().Result;
}
Console.WriteLine(result);
var taskId = Regex.Match(result, @"(?<=""data"":"").+?(?="")").ToString();
Console.WriteLine(taskId);
return taskId;
}
public static void UploadFile( string taskId,string filePath)
{
var fileName = Path.GetFileName(filePath);
var uploadUrl = @"https://raasr.xfyun.cn/api/upload";
var signa2 = GetSigna();
var ts2 = GetTs();
using (HttpClient client = new HttpClient())
{
var content = new MultipartFormDataContent();
//content.Headers.ContentType = MediaTypeHeaderValue.Parse("multipart/form-data");
var sliceId = GetSliceId();
content.Add(new StringContent($"{appId}"), "app_id");
content.Add(new StringContent($"{signa2}"), "signa");
content.Add(new StringContent($"{ts2}"), "ts");
content.Add(new StringContent($"{taskId}"), "task_id");
content.Add(new StringContent($"{sliceId}"), $"slice_id");
FileStream fStream = File.Open(filePath, FileMode.Open, FileAccess.Read);
content.Add(new StreamContent(fStream, (int)fStream.Length), "content", fileName);
var res = client.PostAsync(uploadUrl, content).GetAwaiter().GetResult().Content.ReadAsStringAsync().Result;
Console.WriteLine(res);
}
}
public static void HeBingFile(string taskId)
{
var url = @"https://raasr.xfyun.cn/api/merge";
var signa = GetSigna();
var ts = GetTs();
var dic = new Dictionary<string, string>();
dic.Add("app_id", $"{appId}");
dic.Add("signa", $"{signa}");
dic.Add("ts", ts.ToString());
dic.Add("task_id", $"{taskId}");
var result = string.Empty;
using (HttpClient client = new HttpClient())
{
HttpContent httpContent = new FormUrlEncodedContent(dic);
httpContent.Headers.ContentType = new MediaTypeHeaderValue("application/x-www-form-urlencoded");
httpContent.Headers.ContentType.CharSet = "utf-8";
HttpResponseMessage responseMessage = client.PostAsync(url, httpContent).Result;
result = responseMessage.Content.ReadAsStringAsync().Result;
}
Console.WriteLine(result);
}
public static void GetResult(string taskId)
{
var url = "https://raasr.xfyun.cn/api/getProgress";
var signa = GetSigna();
var ts = GetTs();
var dic = new Dictionary<string, string>();
dic.Add("app_id", $"{appId}");
dic.Add("signa", $"{signa}");
dic.Add("ts", ts.ToString());
dic.Add("task_id", $"{taskId}");
var result = string.Empty;
using (HttpClient client = new HttpClient())
{
HttpContent httpContent = new FormUrlEncodedContent(dic);
httpContent.Headers.ContentType = new MediaTypeHeaderValue("application/x-www-form-urlencoded");
httpContent.Headers.ContentType.CharSet = "utf-8";
HttpResponseMessage responseMessage = client.PostAsync(url, httpContent).Result;
result = responseMessage.Content.ReadAsStringAsync().Result;
}
Console.WriteLine(result);
}
public static string GetSliceId()
{
string sliceId = "aaaaaaaaa`";
char[] ch = sliceId.ToCharArray();
for (int i = 0, j = sliceId.Length - 1; i < sliceId.Length && j >= 0; i++)
{
if (ch[j] != 'z')
{
ch[j]++;
break;
}
else
{
ch[j] = 'a';
j--;
continue;
}
}
return new String(ch);
}
}
}
标签：string,C#,音频文件,Add,static,科大,var,new,dic 来源： https://www.cnblogs.com/jf-ace/p/16468904.html