黑豹程序员-页面录音-在vue页面中进行录音wav/mp3

功能

在vue页面中进行录音wav/mp3

效果图

官网展示页面

https://recorder.zhuyuntao.cn/

安装组件

npm i js-audio-recorder

测试页面

<template>
    <h3>录音时长：{{ recorder.duration.toFixed(4) }}</h3>
    <el-row>
      <el-button type="primary" @click="startRecordAudio">开始录音</el-button>
      <el-button type="danger" @click="stopRecordAudio">停止录音</el-button>
      <el-button type="success" @click="playRecordAudio">播放录音</el-button>
    </el-row>

    <el-row>
      <el-button type="button" @click="getPCBRecordAudioData">获取PCB录音数据</el-button>
      <el-button type="button" @click="downloadPCBRecordAudioData">下载PCB录音文件</el-button>
      <el-button type="button" @click="getWAVRecordAudioData">获取WAV录音数据</el-button>
      <el-button type="button" @click="downloadWAVRecordAudioData">下载WAV录音文件</el-button>
      <el-button type="button" @click="uploadWAVData">上传WAV录音数据</el-button>
    </el-row>

</template>

<script>
import Recorder from "js-audio-recorder";
// import { uploadWavData } from "@/api/system/audioRecorder";
export default {
  name: "audioRecorder",
  data() {
    return {
      recorder: new Recorder({
        sampleBits: 16, // 采样位数，支持 8 或 16，默认是16
        sampleRate: 16000, // 采样率，支持 11025、16000、22050、24000、44100、48000，根据浏览器默认值，我的chrome是48000
        numChannels: 1, // 声道，支持 1 或 2， 默认是1
        // compiling: false,(0.x版本中生效,1.x增加中)  // 是否边录边转换，默认是false
      }),
    };
  },
  mounted() {
  },
  methods: {
    //开始录音
    startRecordAudio() {
      Recorder.getPermission().then(
          () => {
            console.log("开始录音");
            this.recorder.start(); // 开始录音
          },
          (error) => {
            this.$message({
              message: "请先允许该网页使用麦克风",
              type: "info",
            });
            console.log(`${error.name} : ${error.message}`);
          }
      );
    },
    //停止录音
    stopRecordAudio() {
      console.log("停止录音");
      this.recorder.stop();
    },
    //播放录音
    playRecordAudio() {
      console.log("播放录音");
      this.recorder.play();
    },
    //获取PCB录音数据
    getPCBRecordAudioData() {
      var pcmBlob = this.recorder.getPCMBlob();
      console.log(pcmBlob);
    },
    //获取WAV录音数据
    getWAVRecordAudioData() {
      var wavBlob = this.recorder.getWAVBlob();
      console.log(wavBlob);
    },
    //下载PCB录音文件
    downloadPCBRecordAudioData() {
      this.recorder.downloadPCM("badao");
    },
    //下载WAV录音文件
    downloadWAVRecordAudioData() {
      this.recorder.downloadWAV("badao");
    },
    //上传wav录音数据
    uploadWAVData() {
      var wavBlob = this.recorder.getWAVBlob();
      // 创建一个formData对象
      var formData = new FormData()
      // 此处获取到blob对象后需要设置fileName满足当前项目上传需求，其它项目可直接传把blob作为file塞入formData
      const newbolb = new Blob([wavBlob], { type: 'audio/wav' })
      //获取当时时间戳作为文件名
      const fileOfBlob = new File([newbolb], new Date().getTime() + '.wav')
      formData.append('file', fileOfBlob)
      uploadWavData(formData).then((response) => {
        console.log(response);
      });
    },
  },
  watch: {},
};
</script>

<style scoped>
  .el-row{
    margin: 10px;
  }
</style>
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