npm i js-audio-recorder

<template>
  <div style="padding: 20px;">
    <h3>錄音上傳</h3>
 
    <div style="font-size:14px">
      <h3>錄音時(shí)長：{{ recorder && recorder.duration.toFixed(4) }}</h3>
      <br />
      <el-button type="primary" @click="handleStart">開始錄音</el-button>
      <el-button type="info" @click="handlePause">暫停錄音</el-button>
      <el-button type="success" @click="handleResume">繼續(xù)錄音</el-button>
      <el-button type="warning" @click="handleStop">停止錄音</el-button>
      <br />
      <br />
      <h3>
        播放時(shí)長：{{
          recorder &&
            (playTime > recorder.duration
              ? recorder.duration.toFixed(4)
              : playTime.toFixed(4))
        }}
      </h3>
      <br />
      <el-button type="primary" @click="handlePlay">播放錄音</el-button>
      <el-button type="info" @click="handlePausePlay">暫停播放</el-button>
      <el-button type="success" @click="handleResumePlay">繼續(xù)播放</el-button>
      <el-button type="warning" @click="handleStopPlay">停止播放</el-button>
      <el-button type="error" @click="handleDestroy">銷毀錄音</el-button>
      <el-button type="primary" @click="uploadRecord">上傳</el-button>
    </div>
  </div>
</template>
 
<script>
import Recorder from 'js-audio-recorder'
 
export default {
  data() {
    return {
      recorder: null,
      playTime: 0,
      timer: null,
      src: null
    }
  },
  created() {
    this.recorder = new Recorder()
  },
  methods: {
    // 開始錄音
    handleStart() {
      this.recorder = new Recorder()
      Recorder.getPermission().then(() => {
        console.log('開始錄音')
        this.recorder.start() // 開始錄音
      }, (error) => {
        this.$message({
          message: '請先允許該網(wǎng)頁使用麥克風(fēng)',
          type: 'info'
        })
        console.log(`${error.name} : ${error.message}`)
      })
    },
    handlePause() {
      console.log('暫停錄音')
      this.recorder.pause() // 暫停錄音
    },
    handleResume() {
      console.log('恢復(fù)錄音')
      this.recorder.resume() // 恢復(fù)錄音
    },
    handleStop() {
      console.log('停止錄音')
      this.recorder.stop() // 停止錄音
    },
    handlePlay() {
      console.log('播放錄音')
      console.log(this.recorder)
      this.recorder.play() // 播放錄音
 
      // 播放時(shí)長
      this.timer = setInterval(() => {
        try {
          this.playTime = this.recorder.getPlayTime()
        } catch (error) {
          this.timer = null
        }
      }, 100)
    },
    handlePausePlay() {
      console.log('暫停播放')
      this.recorder.pausePlay() // 暫停播放
 
      // 播放時(shí)長
      this.playTime = this.recorder.getPlayTime()
      this.time = null
    },
    handleResumePlay() {
      console.log('恢復(fù)播放')
      this.recorder.resumePlay() // 恢復(fù)播放
 
      // 播放時(shí)長
      this.timer = setInterval(() => {
        try {
          this.playTime = this.recorder.getPlayTime()
        } catch (error) {
          this.timer = null
        }
      }, 100)
    },
    handleStopPlay() {
      console.log('停止播放')
      this.recorder.stopPlay() // 停止播放
 
      // 播放時(shí)長
      this.playTime = this.recorder.getPlayTime()
      this.timer = null
    },
    handleDestroy() {
      console.log('銷毀實(shí)例')
      this.recorder.destroy() // 毀實(shí)例
      this.timer = null
    },
    uploadRecord() {
      if (this.recorder == null || this.recorder.duration === 0) {
        this.$message({
          message: '請先錄音',
          type: 'error'
        })
        return false
      }
      this.recorder.pause() // 暫停錄音
      this.timer = null
      console.log('上傳錄音')// 上傳錄音
 
      const formData = new FormData()
      const blob = this.recorder.getWAVBlob()// 獲取wav格式音頻數(shù)據(jù)
      // 此處獲取到blob對象后需要設(shè)置fileName滿足當(dāng)前項(xiàng)目上傳需求，其它項(xiàng)目可直接傳把blob作為file塞入formData
      const newbolb = new Blob([blob], { type: 'audio/wav' })
      const fileOfBlob = new File([newbolb], new Date().getTime() + '.wav')
      formData.append('file', fileOfBlob)
      const url = window.URL.createObjectURL(fileOfBlob)
      this.src = url
      // const axios = require('axios')
      // axios.post(url, formData).then(res => {
      //   console.log(res.data.data[0].url)
      // })
    }
  }
}
</script>

  const blob = this.recorder.getWAVBlob()
  this.url = window.URL.createObjectURL(blob)

this.recorder = new Recorder({
                    sampleBits: 8, // 采樣位數(shù)，支持 8 或 16，默認(rèn)是16
                    sampleRate: 11025, // 采樣率，支持 11025、16000、22050、24000、44100、48000，根據(jù)瀏覽器默認(rèn)值，我的chrome是48000
                    numChannels: 1 // 聲道，支持 1 或 2， 默認(rèn)是1
                    // compiling: false,(0.x版本中生效,1.x增加中)  // 是否邊錄邊轉(zhuǎn)換，默認(rèn)是false
                })