////将音频保存在缓存中
//func saveAudioCache(_ data:Data){
//
//let documentPaths = NSSearchPathForDirectoriesInDomains(FileManager.SearchPathDirectory.cachesDirectory,
//FileManager.SearchPathDomainMask.userDomainMask, true)
//let documnetPath = documentPaths[0] as! String+"/audio"
//
//print(documnetPath)
//do {
//if FileManager().fileExists(atPath: documnetPath){
//try FileManager().createDirectory(atPath: "\(documnetPath)", withIntermediateDirectories: true, attributes: nil)
//
//}
//let filePath=documnetPath+self.keyHash!
//try? data.write(to: URL(fileURLWithPath: filePath))
//}catch let err {
//
//debugPrint(err)
//
//}
//}
