Vue+node实现音频录制播放功能

实现效果：

主要实现代码逻辑部分，具体页面结构就不一一介绍了。

vue部分：
安装recorderx

cnpm install recorderx --save 

或者

npm install recorderx --save

在具体的组件中引入

<script>
	import axios from "axios";
	import {
		toast
	} from "vant";
	import recorderx, {
		encode_type
	} from "recorderx";
	const rc = new recorderx();
	
	export default {
	   data(){
	     return{
	       startime:null,
	       endtime :null
	     }
	   },
	    methods:{
	    	//录制语音
			recordingvoice() {
				// that.news_img = !that.news_img
				rc.start()
					.then(() => {
						this.startime = new date();
					})
					.catch(error => {
						alert("获取麦克风失败");
					});
			  },
			  //发送语音
			async sendvoice() {
				
				rc.pause();
				this.endtime = new date();
				let wav = rc.getrecord({
					encodeto: encode_type.wav,
					compressible: true
				});
				let voicetime = math.ceil((this.endtime - this.startime) / 1000);
				const formdata = new formdata();

				formdata.append("chatvoice", wav, date.parse(new date()) + ".wav");
				formdata.append("voicetime", voicetime);
				let headers = {
					headers: {
						"content-type": "multipart/form-data"
					}
				};
					axios
						.post("/api/uploadchatvoice", formdata, headers)
						.then(res => {
							//console.log(res)
							if (res.data.status === 2) {
					
								rc.clear();
								let chatvoicemsg = res.data.chatvoicemsg;
							}
							}
						});
				
			},
			//播放语音
				playchatvoice(audio) {
				let audiourl = audio;
				if(audiourl){
					
					let audioexample = new audio();
					audioexample.src = audiourl; //想要播放的音频地址
					audioexample.play();
				}else{
					toast('语音地址已被摧毁');
				}
				
			},
	    }
	};
</script>

node部分：
这里我使用的是express框架搭建的后台
具体的获取前台的请求代码如下
安装multiparty

cnpm install multiparty --save

const express = require('express');
const router = express.router();
const multiparty = require('multiparty');
const net_url = 'http://127.0.0.1:3000/';
router.post('/uploadchatvoice', (req, res, next) => {

  let form = new multiparty.form();

  form.uploaddir = 'chatvoiceupload';
  form.parse(req, (err, fields, files) => {
    console.log(files, fields)
    let chatvoiceurl = net_url + files.chatvoice[0].path.replace(/\\/g, "/");
    let chatvoicetime = fields.voicetime[0]
    console.log(chatvoiceurl)
    if (chatvoiceurl) {
      res.json({
        status: 2,
        chatvoicemsg: {
          chatvoicetime,
          chatvoiceurl,
        }
      })
    } else {
      res.json({
        status: 1,
        chatvoicemsg: {
          chatvoicetime: "",
          chatvoiceurl: ""
        }
      })
    }
    //console.log(files)

  })
})

在app.js中，定义语音文件路径

app.use('/chatvoiceupload', express.static('chatvoiceupload'));

 

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