Vue uses to realize recording function

export function HZRecorder(stream, config) {
  config = config || {};
   =  || 16;   //Sampling digits 8, 16   =  || 16000;  //Sampling rate 16khz
  var context = new ( || )();
  var audioInput = (stream);
  var createScript =  || ;
  var recorder = (context, [4096, 1, 1]);

  var audioData = {
    size: 0     //Recording file length    , buffer: []   //Recording cache    , inputSampleRate:   //Input the sampling rate    , inputSampleBits: 16    //Input sampling digits 8, 16    , outputSampleRate:   //Output sampling rate    , oututSampleBits:     //Output sampling digits 8, 16    , input: function (data) {
      (new Float32Array(data));
       += ;
    }
    , compress: function () { //Merge compression      //merge      var data = new Float32Array();
      var offset = 0;
      for (var i = 0; i < ; i++) {
        ([i], offset);
        offset += [i].length;
      }
      //compression      var compression = parseInt( / );
      var length =  / compression;
      var result = new Float32Array(length);
      var index = 0, j = 0;
      while (index < length) {
        result[index] = data[j];
        j += compression;
        index++;
      }
      return result;
    }
    , encodeWAV: function () {
      var sampleRate = (, );
      var sampleBits = (, );
      var bytes = ();
      var dataLength =  * (sampleBits / 8);
      var buffer = new ArrayBuffer(44 + dataLength);
      var data = new DataView(buffer);

      var channelCount = 1;//Mono      var offset = 0;

      var writeString = function (str) {
        for (var i = 0; i < ; i++) {
          data.setUint8(offset + i, (i));
        }
      }

      // Resource exchange file identifier      writeString('RIFF'); offset += 4;
      // The total number of bytes from the next address to the end of the file, that is, the file size -8      data.setUint32(offset, 36 + dataLength, true); offset += 4;
      // WAV file logo      writeString('WAVE'); offset += 4;
      // Waveform format logo      writeString('fmt '); offset += 4;
      // Filter bytes, generally 0x10 = 16      data.setUint32(offset, 16, true); offset += 4;
      // Format category (PCM format sampling data)      data.setUint16(offset, 1, true); offset += 2;
      // Number of channels      data.setUint16(offset, channelCount, true); offset += 2;
      // Sampling rate, the number of samples per second, indicating the playback speed of each channel      data.setUint32(offset, sampleRate, true); offset += 4;
      // Waveform data transmission rate (average number of bytes per second) Mono × Number of data bits per second × Data bits per sample/8      data.setUint32(offset, channelCount * sampleRate * (sampleBits / 8), true); offset += 4;
      // Fast data adjustment number The number of bytes taken at one sampling Mono × Number of data bits per sample/8      data.setUint16(offset, channelCount * (sampleBits / 8), true); offset += 2;
      // Number of data bits per sample      data.setUint16(offset, sampleBits, true); offset += 2;
      // Data identifier      writeString('data'); offset += 4;
      // Total number of sampled data, that is, total data size -44      data.setUint32(offset, dataLength, true); offset += 4;
      // Write sampled data      if (sampleBits === 8) {
        for (var i = 0; i < ; i++, offset++) {
          var s = (-1, (1, bytes[i]));
          var val = s < 0 ? s * 0x8000 : s * 0x7FFF;
          val = parseInt(255 / (65535 / (val + 32768)));
          data.setInt8(offset, val, true);
        }
      } else {
        for (var i = 0; i < ; i++, offset += 2) {
          var s = (-1, (1, bytes[i]));
          data.setInt16(offset, s < 0 ? s * 0x8000 : s * 0x7FFF, true);
        }
      }

      return new Blob([data], { type: 'audio/wav' });
    }
  };
  //Start recording   = function () {
    (recorder);
    ();
  }

  //stop   = function () {
    ();
  }

  //Get audio file   = function () {
    ();
    return ();
  }

  //Replay   = function (audio) {
   var blob=();
   // saveAs(blob, "F:/");
    = (());
  }

  //Upload   = function () {
   return ()
  }

  //Audio collection   = function (e) {
    ((0));
    //record((0));
  }

}

mounted() {
 this.$nextTick(() => {
 try {
 <!-- Check if the microphone can be called -->
  =  || ;
  =  || ;
  =  || ;
 
 audio_context = new AudioContext;
 (' ' + ( ? 'available.' : 'not present!'));
 } catch (e) {
 alert('No web audio support in this browser!');
 }
 
 ({audio: true}, function (stream) {
  recorder = new HZRecorder(stream)
  ('Initialization is completed');
  }, function(e) {
  ('No live audio input: ' + e);
 });
 })
},

 readyOriginal () {
  if (!) {
  <!-- Turn on recording -->
  recorder && ();
   = true
  } else {
   = false
  <!-- End recording -->
  recorder && ();
  setTimeout(()=> {
   <!-- Recording Upload -->
   var mp3Blob = ();
   var fd = new FormData();
   ('audio', mp3Blob);
   this.$http({
   header: ({
    'Content-Type': 'application/x-www-form-urlencodeed'
   }),
   method: 'POST',
   url: 'url',
   data: fd,
   withCredentials: true,
   }).then((res) => { 
   // Login interception here   if ( === false) {
    ('/login');
   } else {
    if ( === 200) {
    ('Save successfully')
    } else {
     = 'Upload failed'
    }
   }
   })
  },1000)
  }
 },