vue录音实现

<template>
  <div>
    <div>
      <button @click="startRecording">开始录音</button>
      <button @click="stopRecording">停止录音</button>
      <button @click="bofang">播放</button>
      <audio ref="audioPlayer"></audio>
    </div>
  </div>
</template>
 
<script>
// import lamejs from 'lamejs';
import * as qiniu from "qiniu-js";
import axios from "axios";
export default {
  data() {
    return {
      isRecording: false,
      stream: null,
      recorder: null,
      chunks: [],
      audioUrl: null,
      num: 0,
      timer: 'null',
      blob: null,
    };
  },
  beforeDestroy() {
    // 组件销毁前释放资源
    if (this.audioUrl) {
      URL.revokeObjectURL(this.audioUrl);
    }
  },
  methods: {
    async startRecording() {
      if (this.isRecording) {
        return; // 已经在录音了，不需要再次开始
      }
      this.timer = setInterval(() => {
        this.num++
      }, 1000)
      this.chunks = []
      this.isRecording = true;
      this.stream = await navigator.mediaDevices.getUserMedia({ audio: true });
      this.recorder = new MediaRecorder(this.stream);
      this.recorder.addEventListener('dataavailable', event => {
        console.log(event, 'event');
        this.chunks.push(event.data);
        this.blob = new Blob(this.chunks, { type: 'audio/mp3' });
      });
      this.recorder.start();
    },
    stopRecording() {
      if (!this.isRecording) {
        alert('没有在录音，不需要停止')
        return; // 没有在录音，不需要停止
      }
      clearInterval(this.timer)
      this.isRecording = false;
      this.recorder.stop();
      this.stream.getTracks().forEach(track => track.stop());
      // 将录制的音频数据转换为Blob对象
      // let localUrl = (window.URL || window.webkitURL).createObjectURL(this.blob)
      // localUrl = localUrl.substr(27)
      console.log(this.blob, 888);
      // console.log(localUrl, 8888);
      console.log(this.chunks);
      console.log(URL.createObjectURL(this.blob));
      // if (this.audioUrl) {
      //   URL.revokeObjectURL(this.audioUrl);
      // }
      // 使用七牛云SDK进行文件上传
      axios.get('*********************').then(res => {
        const token = res.data.Result.UploadToken;
        const key = 'vvchat.app/' + new Date().getTime(); // 上传后在七牛云上的文件名
        const config = {
          useCdnDomain: true,
          region: qiniu.region.as0
        };
        const putExtra = {
          mimeType: 'audio/mp3'
        };
        const observable = qiniu.upload(this.blob, key, token, putExtra, config);
        observable.subscribe({
          next(res) {
            // 上传进度回调
            console.log('上传进度：', res.total.percent);
          },
          error(err) {
            // 上传失败回调
            console.error('上传失败：', err);
          },
          complete(res) {
            // 上传完成回调
            console.log('上传成功：', res);
          }
        });
      })
    },
    bofang() {
      this.$refs.audioPlayer.src = URL.createObjectURL(this.blob);
      this.$refs.audioPlayer.play();
    }
  }
};
</script>