小程序实现录音功能

getPermission: function() {
  var that = this;
    wx.getSetting({
     success(res) {
      console.log(res.authSetting)
      if (res.authSetting["scope.record"] === false) {
       wx.showModal({
        title: '是否录音',
        content: '是否录音',
        success: function (tip) {
         if (tip.confirm) {
          wx.openSetting({
           success: function (data) {
            if (data.authSetting["scope.record"] === true) {
             wx.showToast({
              title: '授权成功',
              icon: 'success',
              duration: 1000
             })
             that.startLuYin()
             //授权成功之后，再调用chooseLocation选择地方
            } else {
             wx.showToast({
              title: '授权失败',
              icon: 'success',
              duration: 1000
             })
            }
           }
          })
         }
        }
       })
      }else{
       that.startLuYin()
      }
     }
    })
 },

startLuYin(){
  const options = {
   duration: 10000 * 6 * 10, //指定录音的时长，单位 ms
   sampleRate: 16000, //采样率
   numberOfChannels: 1, //录音通道数
   encodeBitRate: 96000, //编码码率
   format: 'mp3', //音频格式，有效值 aac/mp3
   frameSize: 50, //指定帧大小，单位 KB
  }
  //开始录音
  recorderManager.start(options);
  recorderManager.onStart(() => {
   console.log('recorder start');
   Countdown(this); //开始计时
  });
  //错误回调
  recorderManager.onError((res) => {
   console.log('recorder出错:' + res);
   console.log(res);
   clearTimeout(timer); //出错时停止计时
  })
 },

// 暂停录音
 pause: function() {
  var that = this;
  recorderManager.pause()
  recorderManager.onPause((res) => {
   console.log(res)
   console.log('暂停录音')
   clearTimeout(timer);
  })
 },

//继续录音
 jixu: function() {
  var that = this;
  recorderManager.resume()
  Countdown(that); //开始计时
  recorderManager.onResume((res) => {
  })
 },

//停止录音
 stop: function() {
  recorderManager.stop();
  recorderManager.onStop((res) => {
   this.tempFilePath = res.tempFilePath;
   console.log('停止录音', res.tempFilePath)
   clearTimeout(timer);
  })
 },

//播放声音
 play: function() {
  innerAudioContext.autoplay = true
  innerAudioContext.src = this.tempFilePath,
   innerAudioContext.onPlay(() => {
    console.log('开始播放')
   })
  innerAudioContext.onError((res) => {
   console.log(res.errMsg)
   console.log(res.errCode)
  })
 },

// 倒计时
function Countdown(that) {
 timer = setTimeout(function() {
  console.log("----secondes----" + formatSeconds(secondes));
  secondes++;
  if (secondes >= 600) {
   recorderManager.stop();
   clearTimeout(timer);
  }
  that.setData({
   times: formatSeconds(secondes)
  });
  Countdown(that);
 }, 1000);
};

// 时间展示
function formatSeconds(value) {
 var secondTime = parseInt(value); // 秒
 var minuteTime = 0; // 分
 var hourTime = 0; // 小时
 if (secondTime > 60) { //如果秒数大于60，将秒数转换成整数
  //获取分钟，除以60取整数，得到整数分钟
  minuteTime = parseInt(secondTime / 60);
  //获取秒数，秒数取佘，得到整数秒数
  secondTime = parseInt(secondTime % 60);
  //如果分钟大于60，将分钟转换成小时
  if (minuteTime > 60) {
   //获取小时，获取分钟除以60，得到整数小时
   hourTime = parseInt(minuteTime / 60);
   //获取小时后取佘的分，获取分钟除以60取佘的分
   minuteTime = parseInt(minuteTime % 60);
  }
 }
 var result;
 //时间的展示方式为00:00
 if (secondTime < 10) {
  result = "0" + parseInt(secondTime);
 } else {
  result = "" + parseInt(secondTime);
 }
 if (minuteTime > 0) {
  if (minuteTime < 10) {
   result = "0" + parseInt(minuteTime) + ":" + result;
  } else {
   result = "" + parseInt(minuteTime) + ":" + result;
  }
 } else {
  result = "00:" + result;
 }
 //由于限制时长最多为三分钟,小时用不到
 if (hourTime > 0) {
  result = "" + parseInt(hourTime) + ":" + result;
 }
 return result;
}