private string getReqSign(List <KeyValuePair <string, string> > m_params, string appkey /* 字符串*/)
{
// 1. 字典升序排序
m_params.Sort(Compire);
// 2. 拼按URL键值对
var str = "";
foreach (var keyvalue in m_params)
{
if (keyvalue.Value != "")
{
str += keyvalue.Key + '=' + keyvalue.Value + '&';
}
}
// 3. 拼接app_key
str += "app_key=" + appkey;
// 4. MD5运算+转换大写，得到请求签名
var sign = (AudioHelper.md5(str)).ToUpper();
return(sign);
}
/// <summary>
/// 获取音频
/// </summary>
/// <param name="text"></param>
/// <param name="OnGet"></param>
/// <returns></returns>
public IEnumerator GetAudioClip(string text, UnityAction <AudioClip> OnGet, Params paramss = null)
{
text = text.Replace(" ", "");//腾讯好像不支持空格
if (paramss == null)
{
paramss = defultParams;
}
waitSpeekQueue.Enqueue(new KeyValuePair <string, Params>(text, paramss));
if (waitSpeekQueue.Count > 1)
{
yield break;
}
while (waitSpeekQueue.Count > 0)//有其他协程在工作
{
var item = waitSpeekQueue.Dequeue();
item.Value.text = item.Key;
System.DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1)); // 当地时区
long timeStamp = (long)(DateTime.Now - startTime).TotalSeconds; // 相差毫秒数
item.Value.time_stamp = (int)timeStamp;
item.Value.text = text;
item.Value.format = (int)Format.WAV;//暂时只支持这种格式
item.Value.sign = "";
item.Value.sign = getReqSign(item.Value.GetParams(), appkey);
var url = string.Format("{0}?{1}", urlTemp, item.Value.ToParamsString());
var audioName = AudioHelper.md5(text + item.Value.speaker + item.Value.speed) + ".wav";
//WebGL直接从指定的目录加载对应的文件(缓存)
if (Application.platform == RuntimePlatform.WebGLPlayer)
{
bool local = false;
yield return(AudioHelper.LoadFromFile(AudioPath, audioName, new UnityAction <AudioClip>(x =>
{
if (x != null)
{
local = true;
OnGet.Invoke(x);
}
})));
if (!local)
{
yield return(IntenalDownLand(url, audioName, data =>
{
var audio = AudioHelper.CreateWavAudio(audioName, data);
OnGet(audio);
}));
}
}
else
{
var path = AudioPath + "/" + audioName;
if (!File.Exists(path))
{
//下载并缓存
yield return(IntenalDownLand(url, audioName, new UnityAction <byte[]>(data =>
{
var audio = AudioHelper.CreateWavAudio(audioName, data);
OnGet(audio);
File.WriteAllBytes(AudioPath + "/" + audioName, data);
})));
}
else
{
yield return(AudioHelper.LoadFromFile(AudioPath, audioName, OnGet));
}
}
}
}