uniapp如何实现录音功能

export default {
data: {
recorderManager: {},
innerAudioContext: {},
},
onLoad(options) {
this.recorderManager = uni.getRecorderManager();
this.innerAudioContext = uni.createInnerAudioContext();
// 为了防止苹果手机静音无法播放
uni.setInnerAudioOption({  
obeyMuteSwitch: false  
})
this.innerAudioContext.autoplay = true;
console.log("uni.getRecorderManager()",uni.getRecorderManager())
let self = this;
this.recorderManager.onStop(function (res) {
console.log('recorder stop' + JSON.stringify(res));
self.voicePath = res.tempFilePath;
});
},
methods: {
startRecord() {
console.log('开始录音');
this.recorderManager.start();
},
endRecord() {
console.log('录音结束');
this.recorderManager.stop();
},
playVoice() {
console.log('播放录音');
console.log('this.voicePath',this.voicePath);
 
if (this.voicePath) {
this.innerAudioContext.src = this.voicePath;
this.innerAudioContext.play();
}
},
}
}

uni.setInnerAudioOption({  
obeyMuteSwitch: false  
})

<view class="audioPlay">
<button @tap="startRecord">开始录音</button>
<button @tap="endRecord">停止录音</button> 
<button @tap="playVoice">播放录音</button>
</view>
<luch-audio 
v-if="audioContent"
:src="audioContent" 
:play.sync="audioPlayNew"
></luch-audio>