微信小程序audio组件在ios端无法播放的解决办法

<!-- 判断是语音通话，有通话记录，通话描述不包含'未接' -->
<view class="reference"
    wx:if="{{itemList.activity_type === 'phone' && itemList.activity_reference_id && tool.indexOf(itemList.comment,'未接') === -1 }}">
    <!-- 语音播放 -->
    <van-button class="ref-btn" wx:if="{{audioResourceMaps[itemList.activity_reference_id] === undefined}}"
      loading="{{itemList.activity_reference_id === currentGettingReferenceId}}" icon="play" type="info" plain
      data-reference-id="{{itemList.activity_reference_id}}" bindtap="getReference">
    </van-button>
    <view wx:else class="audio-box">
        <!-- 语音播放暂停 -->   
      <van-button class="ref-btn" wx:if="{{audioResourceMaps[itemList.activity_reference_id]}}"
      data-reference-id="{{itemList.activity_reference_id}}"
        icon="pause" type="info" plain bindtap="pauseAudio"/>
        <!-- 点击没有通话录音 --> 
      <span wx:else class="no-audio-text">未找到通话录音</span>
    </view>
</view>

.reference {
  margin-top: 20rpx;
  height: 100%;
  padding: 5rpx;
  box-sizing: border-box;
}

.ref-btn {
  width: 80rpx;
  height: 80rpx;
  display: flex;
}

.ref-btn button {
  width: 80rpx;
  height: 80rpx;
  border-radius: 50%;
}

/**
   * 组件的初始数据
   */
  data: {
    currentGettingReferenceId: null,  //正在播放的音频id
    audioResourceMaps: {}, //点击过的音频列表
    isPause:false, // 是否暂停
  },
/**
   * 组件的生命周期 
   */
  lifetimes: {
    attached: function () {
      // 因为是子组件 所以要在这里获取实例
      this.audioContext = wx.createInnerAudioContext();
    },
    detached: function () {
      // 停止播放
      this.stopAudio()
      // 在组件实例被从页面节点树移除时执行
    },
  },
  methods: { 
    // 获取录音
    getReference(e) {
      let id = e.target.dataset.referenceId
      if(id != this.data.currentGettingReferenceId){
        this.stopAudio()
      }
      this.setData({
        currentGettingReferenceId:id
      })
      // 点击获取录音url的接口。 接口请求根据自己的封装来写
      WXAPI.getResourceUrl(
        `/conversation/conversationsession/${id}/`, {
          data_type: 'all',
        }).then(({resource_url}) => {
          console.log('音频地址====',resource_url,)
        let url = resource_url && resource_url.indexOf('https://') > -1? encodeURI(resource_url) : null
        this.data.audioResourceMaps[id] = url;
        if(resource_url) this.playAudio(id,url)
        this.setData({
          audioResourceMaps: this.data.audioResourceMaps
        })
        console.log('播放过的列表=====',this.data.audioResourceMaps)
      }).catch(function (e) {
        console.log(e)
      })
    },
    // 暂停
    pauseAudio(){
      this.setData({
        isPause: !this.data.isPause
      })
      let id = this.data.currentGettingReferenceId
      console.log(id,'播放暂停的id')
      const innerAudioContext = this.audioContext
      if(this.data.isPause){
        innerAudioContext.pause()
        console.log('暂停播放')
      }else{
        innerAudioContext.play()
        console.log('继续播放')
      }
    },
    // 停止播放
    stopAudio(){
      const innerAudioContext = this.audioContext
      innerAudioContext.stop()
      let obj = this.data.audioResourceMaps
      for(let item in obj){
        delete obj[item]
      }
      // 停止播放就要把播放列表id对应的音频地址做清空处理
      this.setData({
        audioResourceMaps: obj,
        currentGettingReferenceId:null
      })
      console.log('停止播放')
    },
    // 播放
    playAudio(id,url) {
      const innerAudioContext = this.audioContext
      console.log(url, '音频的地址')
      if(url){
        innerAudioContext.src = url
        innerAudioContext.play()
        innerAudioContext.onPlay(() => {
          console.log('开始播放')
        })
        innerAudioContext.onTimeUpdate(() => {
          console.log(innerAudioContext.duration,'总时长')   
          console.log(innerAudioContext.currentTime,'当前播放进度')
        })
        setTimeout(() => {
          console.log(innerAudioContext.duration,'总时长')   
          console.log(innerAudioContext.currentTime,'当前播放进度')
        }, 500)
        innerAudioContext.onEnded(() => {
          let obj = this.data.audioResourceMaps
          for(let item in obj){
            delete obj[item]
          }
          this.setData({
            audioResourceMaps: obj,
            currentGettingReferenceId:null
          })
          console.log('播放完毕')
        })
        innerAudioContext.onError((res) => {
          console.log(res.errMsg)
          console.log(res.errCode)
        })
      }
    }

"usingComponents": {
    "van-button": "@vant/weapp/button/index",
    "van-icon": "@vant/weapp/icon/index",
  }