微信小程序实现录音与音频播放功能

<button bindtap="start" class='btn'>开始录音</button>
<button bindtap="pause" class='btn'>暂停录音</button>
<button bindtap="resume" class='btn'>继续录音</button>
<button bindtap="stop" class='btn'>停止录音</button>
<button bindtap="play" class='btn'>播放录音</button>

const recorderManager = wx.getRecorderManager()
const innerAudioContext = wx.createInnerAudioContext()

Page({
  data: {
  },
  onLoad: function () {
  
  },
  //开始录音的时候
  start: function () {
    var that=this
    const options = {
      duration: 10000,//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
    wx.authorize({
      scope: 'scope.record',
      success() {
        console.log("录音授权成功");
        //第一次成功授权后 状态切换为2
        that.setData({
          status: 2,
        })
        recorderManager.start(options);
        recorderManager.onStart(() => {
          console.log('recorder start')
        });
        //错误回调
        recorderManager.onError((res) => {
          console.log(res);
        })
      },
      fail() {
        console.log("第一次录音授权失败");
        wx.showModal({
          title: '提示',
          content: '您未授权录音，功能将无法使用',
          showCancel: true,
          confirmText: "授权",
          confirmColor: "#52a2d8",
          success: function (res) {
            if (res.confirm) {
              //确认则打开设置页面（重点）
              wx.openSetting({
                success: (res) => {
                  console.log(res.authSetting);
                  if (!res.authSetting['scope.record']) {
                    //未设置录音授权
                    console.log("未设置录音授权");
                    wx.showModal({
                      title: '提示',
                      content: '您未授权录音，功能将无法使用',
                      showCancel: false,
                      success: function (res) {

                      },
                    })
                  } else {
                    //第二次才成功授权
                    console.log("设置录音授权成功");
                    that.setData({
                      status: 2,
                    })
             
                    recorderManager.start(options);
                    recorderManager.onStart(() => {
                      console.log('recorder start')
                    });
                    //错误回调
                    recorderManager.onError((res) => {
                      console.log(res);
                    })
                  }
                },
                fail: function () {
                  console.log("授权设置录音失败");
                }
              })
            } else if (res.cancel) {
              console.log("cancel");
            }
          },
          fail: function () {
            console.log("openfail");
          }
        })
      }
    })
   
   
  },
  //暂停录音
  pause: function () {
    recorderManager.pause();
    recorderManager.onPause((res) => {

      console.log('暂停录音')

    })
  },
  //继续录音
  resume: function () {
    recorderManager.resume();
    recorderManager.onStart(() => {
      console.log('重新开始录音')
    });
    //错误回调
    recorderManager.onError((res) => {
      console.log(res);
    })
  },
  //停止录音
  stop: function () {
    recorderManager.stop();
    recorderManager.onStop((res) => {
      this.tempFilePath = res.tempFilePath;
      console.log('停止录音', res.tempFilePath)
      const { tempFilePath } = res
    })
  },
  //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)
    })
  },
  
})

<audio poster="{{poster}}" name="{{name}}" author="{{author}}" src="{{src}}" id="myAudio" controls loop></audio>
<slider bindchange='change' min="0" max="160" value="{{time}}" color="blue" selected-color="red" show-value="true"></slider>
<button class='b1' type="primary" size="mini" bindtap="audioPlay">播放</button>
<button class='b1' type="primary" size="mini"  bindtap="audioPause">暂停</button>

Page({
  onReady: function (e) {
    // 使用 wx.createAudioContext 获取 audio 上下文 context
    this.audioCtx = wx.createAudioContext('myAudio')
  },
  data: {
    time:0,
    poster: 'https://y.qq.com/music/photo_new/T002R300x300M000002Neh8l0uciQZ_1.jpg?max_age=2592000',
    name: '稻香',
    author: '周杰伦',
    src: 'https://dl.stream.qqmusic.qq.com/RS020643ANK71H36gh.mp3?guid=5172738896&vkey=0B819C7570AAF78CC43A7C651E2C8C33FC76A07422EA718B9F8CAFD013F1BCF9E2DAF271064E05939716E400CE460A04669DFAC314460BB9&uin=1144722582&fromtag=66',
  },
  audioPlay: function () {
    this.audioCtx.play()
  },
  audioPause: function () {
    this.audioCtx.pause()
  },
  audio14: function () {
    this.audioCtx.seek(0)
  },

  change: function (e) {
    console.log(e)
    this.audioCtx.seek(e.detail.value)
  }
})