微信小程式實現錄製、試聽、上傳音訊功能（帶波形圖）

阿新 • • 發佈：2020-02-28

最近接到這樣一個需求，要求實現錄製、試聽、上傳音訊功能，選擇的是getBackgroundAudioManager,聲音錄製和播放波形圖是用css實現的，效果圖及詳細設計程式碼如下：

在這裡插入圖片描述

xml檔案

<view class="servicePage">
 <view style="width:100%;height:320rpx;position:absolute;z-index:-1;">
  <image style="width:100%" src="../../img/bg.png" mode='widthFix'></image>
 </view>
 <view class="content" style="height:{{contentHeight}}">
  <view class="allService">
   <view class="title">
    錄製提示
   </view>
  </view>
  <view class="voiceView">
   <view class="voiceTime" style="text-align: center;">00:00:<span>{{currentTime}}</span></view>
   <view class="voiceLine">
    <view class="voiceBox" wx:if="{{!showWaveView}}">
       <view class="Wave1">
        <view class="voiceWave">
         <view class="auItem"></view>
         <view class="auItem"></view>
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        </view>
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       <view class="Wave1">
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         <view class="voiceWave1">
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        <view class="auItem"></view>
        <view class="auItem"></view>
        <view class="auItem"></view>
        <view class="auItem"></view>
        <view class="auItem"></view>
        <view class="auItem"></view>
        <view class="auItem"></view>
       </view>
     </view>
     <view class="Wave1">
       <view class="voiceWave">
        <view class="auItem"></view>
        <view class="auItem"></view>
        <view class="auItem"></view>
<view class="auItem"></view>
        <view class="auItem"></view>
        <view class="auItem"></view>
        <view class="auItem"></view>
       </view>
       <view class="voiceWave1">
        <view class="auItem"></view>
        <view class="auItem"></view>
        <view class="auItem"></view>
        <view class="auItem"></view>
        <view class="auItem"></view>
        <view class="auItem"></view>
        <view class="auItem"></view>
       </view>
     </view>
     <view class="Wave3">
       <view class="voiceWave">
        <view class="auItem au1"></view>
        <view class="auItem au1"></view>
        <view class="auItem au1"></view>
        <view class="auItem au1"></view>
        <view class="auItem au2"></view>
        <view class="auItem au2"></view>
        <view class="auItem au3"></view>
        <view class="auItem au3"></view>
        <view class="auItem au3"></view>
        <view class="auItem au3"></view>
        <view class="auItem au3"></view>
       </view>
       <view class="voiceWave1">
        <view class="auItem au4"></view>
        <view class="auItem au4"></view>
        <view class="auItem au4"></view>
        <view class="auItem au4"></view>
        <view class="auItem au5"></view>
        <view class="auItem au5"></view>
        <view class="auItem au6"></view>
        <view class="auItem au6"></view>
        <view class="auItem au6"></view>
        <view class="auItem au6"></view>
        <view class="auItem au6"></view>
       </view>
     </view>
     <view class="Wave1">
       <view class="voiceWave">
        <view class="auItem"></view>
        <view class="auItem"></view>
        <view class="auItem"></view>
        <view class="auItem"></view>
        <view class="auItem"></view>
        <view class="auItem"></view>
        <view class="auItem"></view>
       </view>
       <view class="voiceWave1">
        <view class="auItem"></view>
        <view class="auItem"></view>
        <view class="auItem"></view>
        <view class="auItem"></view>
        <view class="auItem"></view>
        <view class="auItem"></view>
        <view class="auItem"></view>
       </view>
     </view>
     <view class="Wave1">
       <view class="voiceWave">
        <view class="auItem"></view>
        <view class="auItem"></view>
        <view class="auItem"></view>
        <view class="auItem"></view>
        <view class="auItem"></view>
        <view class="auItem"></view>
        <view class="auItem"></view>
        <view class="auItem"></view>
        <view class="auItem"></view>
       </view>
       <view class="voiceWave1">
        <view class="auItem"></view>
        <view class="auItem"></view>
        <view class="auItem"></view>
        <view class="auItem"></view>
        <view class="auItem"></view>
        <view class="auItem"></view>
        <view class="auItem"></view>
        <view class="auItem"></view>
        <view class="auItem"></view>
       </view>
     </view>
    </view>
    <view class="voicePointer" style="left:{{currentLeft}}rpx"></view>
   </view>
  </view>
  <view class="handleView" wx:if="{{showhandle1}}">
   <view wx:if="{{!voiceState}}" class="CircleBtn green" bindtap="startRecord">開始</view>
   <view wx:if="{{voiceState}}" class="CircleBtn red" bindtap="shutRecord">錄好了</view>
  </view>
  <view class="serviceList" wx:if="{{showhandle2}}">
   <view class="CircleBtn red" bindtap="listen" bindtap="listenRecord">試聽</view>
   <view wx:if="{{!uploadState}}" class="CircleBtn green" bindtap="uploadVoice">上傳</view>
   <view wx:if="{{uploadState}}" class="CircleBtn blue">上傳中</view>
  </view>
  <view style="text-align: center;" wx:if="{{showhandle2}}" bindtap="reRecord">重新錄製</view>
 </view>
</view>

js檔案

let windowHeight = wx.getSystemInfoSync().windowHeight // 螢幕的高度
let screenWidth = wx.getSystemInfoSync().screenWidth
let screenHeight = wx.getSystemInfoSync().screenHeight
let contentHeight = ((windowHeight / screenWidth) * 750 - 184 - 166) + "rpx";
const recorderManager = wx.getRecorderManager()
const backgroundAudioManager = wx.getBackgroundAudioManager()
Page({
 /**
  * 頁面的初始資料
  */
 data: {
  startClick:false,contentHeight: contentHeight,voiceState:false,tempFilePath:'',recordingTimeqwe:0,//錄音計時
  setInter:"",//錄音名稱
  isplay:true,//播放狀態 true--播放中 false--暫停播放
  uploadState:false,showhandle1:true,showhandle2:false,showWaveView:false,currentLeft:10,currentTime:'00'
 },/**
  * 生命週期函式--監聽頁面載入
  */
 onLoad: function (options) {
  this.initRecord()
 },/**
  * 生命週期函式--監聽頁面初次渲染完成
  */
 onReady: function () {
 },initRecord:function(){
  recorderManager.onStart(() => {
   console.log('開始錄音')
  })
  recorderManager.onPause(() => {
   console.log('暫停錄音')
  })
  recorderManager.onStop((res) => {
   clearInterval(this.data.setInter);
   this.setData({voiceState:true,currentLeft:10})
   console.log('結束錄音',res)
   const { tempFilePath } = res
   this.data.tempFilePath = tempFilePath
  })
  recorderManager.onFrameRecorded((res) => {
   const { frameBuffer } = res
   console.log('frameBuffer.byteLength',frameBuffer.byteLength)
  })
 },recordingTimer:function(){
  var that = this;
  //將計時器賦值給setInter
  this.data.setInter = setInterval(
   function () {
    let time = that.data.recordingTimeqwe + 1;
    if(time>10){
     wx.showToast({
      title: '錄音時長最多10s',duration:1500,mask:true
     })
     clearInterval(that.data.setInter);
     that.shutRecord();
     return;
    }
    // console.log(time);
    let currentTime = time < 10 ? '0'+time : time;
    that.setData({
     recordingTimeqwe: time,currentTime:currentTime,currentLeft:that.data.currentLeft + 65
    })
   },1000); 
 },startRecord:function(){
  if(this.data.startClick){
   return
  }
  this.data.startClick = true
  const options = {
   duration: 10000,sampleRate: 44100,numberOfChannels: 1,encodeBitRate: 192000,format: 'aac',frameSize: 50
  }
  // 開始倒計時
  this.recordingTimer()
  // 開始錄音
  recorderManager.start(options)
 },shutRecord:function(){
  recorderManager.stop()
  this.setData({showhandle1:false,showhandle2:true,currentTime:'00'})
 },listenRecord:function(e){
  // 試聽
  let isplay = e.currentTarget.dataset.isplay;
  backgroundAudioManager.title = '試聽歡迎語'
  backgroundAudioManager.src = this.data.tempFilePath
  this.setData({
   showWaveView:true,currentTime:'00'
  })
  backgroundAudioManager.onPlay(() => {
   console.log("音樂播放開始")
  })
  backgroundAudioManager.onEnded(() => {
   console.log("音樂播放結束")
   clearInterval(this.data.setInter1)
   this.setData({currentLeft:10,currentTime:'00'})
  })
  backgroundAudioManager.play()
  this.data.setInter1 = setInterval(() => {
   let time = parseInt(this.data.currentTime) + 1
   let currentTime = time < 10 ? '0'+time : time;
   // console.log(currentTime)
   this.setData({
    currentLeft:this.data.currentLeft + 65,currentTime:currentTime
   })
  },reRecord:function(){
  clearInterval(this.data.setInter1)
  this.setData({
   showhandle1:true,startClick:false,currentTime:'00'
  })
 },uploadVoice:function(){
  let that = this
  this.setData({uploadState:true})
  wx.uploadFile({
   url: 'https://example.weixin.qq.com/upload',//僅為示例，非真實的介面地址
   filePath: this.data.tempFilePath,name: 'file',header:{
    "Content-type":"multiply/form-data"
   },formData: {
    'time': this.data.recordingTimeqwe
   },success (res){
    console.log('上傳成功')
   },fail (res){
    console.log('上傳失敗')
    that.setData({uploadState:false})
   }
  })
 },/**
  * 生命週期函式--監聽頁面顯示
  */
 onShow: function () {
 },/**
  * 生命週期函式--監聽頁面隱藏
  */
 onHide: function () {
 },/**
  * 生命週期函式--監聽頁面解除安裝
  */
 onUnload: function () {
 },/**
  * 頁面相關事件處理函式--監聽使用者下拉動作
  */
 onPullDownRefresh: function () {
 },/**
  * 頁面上拉觸底事件的處理函式
  */
 onReachBottom: function () {
 },/**
  * 使用者點選右上角分享
  */
 onShareAppMessage: function () {
 }
})

css檔案

.servicePage {
 font-family: "PingFangSC-Regular";
}
.top {
 font-size: 34rpx;
 font-family: "PingFangSC-Medium";
 color: #fff;
 padding-left: 60rpx;
 display: flex;
 align-items: center;
 height: 150rpx;
}
.content {
 border-radius: 36rpx 36rpx 0 0;
 background: #fff;
 padding: 16rpx 30rpx;
 overflow-y: scroll;
}
.allService .title {
 text-align:center;
}
.serviceList {
 margin-top:300rpx;
 display: flex;
 justify-content: space-between;
 padding: 0 16rpx;
}
.handleView{
 margin-top:300rpx;
 display: flex;
 /* align-items: center; */
 justify-content: center;
 /* justify-content: space-between; */
 padding:0 100rpx;
}
.CircleBtn{
 width:100rpx;
 height:100rpx;
 color:#fff;
 text-align:center;
 line-height:100rpx;
 border-radius:50%;
 font-size:28rpx;
}
.green{
 background-color:#3ed3ca;
}
.red{
 background-color:red;
}
.blue{
 background-color: blue;
}
.voiceLine{
 position: relative;
 background: #eee;
 height:40px;
 padding:0 10rpx;
 overflow: hidden;
}
.voicePointer{
 width:2rpx;
 height:100rpx;
 background: cornflowerblue;
 position: absolute;
 top:0;
 left:10rpx;
}
.voiceBox{
 display: flex;
 align-items: center;
 height:40px;
}
.line1{
 height:1px;
 background: cornflowerblue;
 width:100rpx;
}
.Wave2{
 height:40px;
}
.Wave3{
 height:40px;
}
.voiceWave{
 display: flex;
 align-items: flex-end;
 height:20px;
}
.voiceWave1{
 display: flex;
 align-items:flex-start;
 height:20px;
}
.auItem{
 width:1px;
 margin-right:4rpx;
 background: cornflowerblue;
 height:2px;
}
.au1{
 height:8px;
 animation: audio1 1s linear .1s infinite ;
}
.au2{
 height:6px;
 animation: audio2 1s linear .1s infinite ;
}
.au3{
 height:4px;
 animation: audio3 1s linear .1s infinite ;
}
.au4{
 height:8px;
 animation: audio4 .5s linear .2s infinite ;
}
.au5{
 height:6px;
 animation: audio5 .5s linear .5s infinite ;
}
.au6{
 height:4px;
 animation: audio6 .5s linear .2s infinite ;
}
@keyframes audio1 {
 from{height:8px;}
 to{height:6px;}
}
@keyframes audio2 {
 from{height:6px;}
 to{height:4px;}
}
@keyframes audio3 {
 from{height:4px;}
 to{height:2px;}
}
@keyframes audio4 {
 from{height:6px;}
 to{height:8px;}
}
@keyframes audio5 {
 from{height:4px;}
 to{height:6px;}
}
@keyframes audio6 {
 from{height:2px;}
 to{height:4px;}
}
.serviceList .box {
 width: 200rpx;
 height: 220rpx;
 background: #eee;
 padding: 4rpx;
 border-radius: 8rpx;
}
.serviceList .box view.free{
 position: absolute;
 left:-10rpx;
 top:0;
 width:108rpx;
 height:42rpx;
 line-height: 42rpx !important;
 padding:0;
}
.serviceList .box view.free text{
 display: inline-block;
 color:#fff;
 position: absolute;
 font-size: 24rpx;
 text-align: center;
 width:108rpx;
 top:-4rpx;
}
.box .free image{
 width:108rpx;
 height:42rpx;
}
.serviceList .box view:first-child {
 height: 80rpx;
 line-height: 80rpx;
 font-size: 30rpx;
 text-align: center;
}
.serviceList .box view:last-child {
 font-family: "PingFangSC-Semibold";
 border-radius: 0 0 8rpx 8rpx;
 height: 140rpx;
 background: #fff;
 font-size: 72rpx;
 text-align: center;
 line-height: 135rpx;
 vertical-align: top;
 position: relative;
}
.serviceList .box view:last-child text {
 font-size: 26rpx;
}
.box.active {
 background: #ffd458;
}
.box.active view:last-child {
 background: #fffbea;
}
.bottom {
 position: fixed;
 width: 100%;
 height: 184rpx;
 background: #fff;
 box-shadow: 0 -2px 5px 0 rgba(0,0.10);
 bottom: 0;
 left: 0;
 display: flex;
 justify-content: space-between;
 align-items: center;
 box-sizing: border-box;
 padding: 0 30rpx 60rpx 30rpx;
}
.bottom .left view.all {
 font-size: 34rpx;
 font-family: "PingFangSC-Semibold";
 line-height: 48rpx;
 display: flex;
 align-items: center;
 margin-bottom: 10rpx;
}
.bottom .left view.agree {
 font-size: 24rpx;
 display: flex;
 align-items: center;
}
.bottom .left view.agree text {
 color: #bbb;
}
.bottom .left view text.colorBlue {
 color: #419bf9;
}
.bottom .right {
 width: 200rpx;
 background: #3ed3ca;
 border-radius: 40rpx;
 line-height: 80rpx;
 text-align: center;
 font-size: 30rpx;
 color: #fff;
}
.rightsInfo {
 margin-top: 60rpx;
 padding-right: 16rpx;
}
.rightsInfo::before {
 display: table;
 content: '';
}
.rightsInfo .title {
 font-size: 32rpx;
 display: flex;
 align-items: center;
 letter-spacing: 0.26px;
}
.rightsInfo .title image {
 width: 40rpx;
 height: 40rpx;
 margin-right: 14rpx;
}
.rightsInfo .rightsList {
 display: flex;
 align-items: center;
 margin-top: 40rpx;
}
.rightsInfo .rightsList .left {
 width: 80rpx;
 height: 80rpx;
 margin-right: 20rpx;
}
.rightsInfo .rightsList .left image {
 width: 80rpx;
 height: 80rpx;
}
.rightsInfo .rightsList .right .rightTitle {
 font-family: "PingFangSC-Medium";
 font-size: 30rpx;
 color: #333;
 letter-spacing: 0.24px;
 line-height: 24px;
}
.rightsInfo .rightsList .right .rightDes {
 font-size: 24rpx;
 color: #a5a5a5;
 letter-spacing: 0;
}

總結

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