JavaScript实时监听歌曲播放进度显示对应歌词

var lyrics = this.lrc.split("\n");//this.lrc 代表歌词文件内容的引用
      var lrcObj = {};
      for(var i=0;i<lyrics.length;i++){var lyric = decodeURIComponent(lyrics[i]);
          var timeReg = /\[\d*:\d*((\.|\:)\d*)*\]/g;
          var timeRegExpArr = lyric.match(timeReg);
          if(!timeRegExpArr)continue;
          var clause = lyric.replace(timeReg,'');
          for(var k = 0,h = timeRegExpArr.length;k < h;k++) {var t = timeRegExpArr[k];
              var min = Number(String(t.match(/\[\d*/i)).slice(1)),
                  sec = Number(String(t.match(/\:\d*/i)).slice(1));
              var time = min * 60 + sec;
              lrcObj[time] = clause;
          }
      }
      return lrcObj;

<audio id="player" src="../assets/ghyjn.mp3" autoplay>
      您的浏览器不支持 audio 标签。</audio>

this.p.addEventListener("timeupdate",function(){let obj = _this.lrcObj[Math.floor(this.currentTime)];
      if(obj!=undefined){_this.g = obj;}
    });

<template>
  <div class="hello" :style="'height:'+height+';width:100%'">
      <audio id="player" src="../assets/ghyjn.mp3" autoplay>
      您的浏览器不支持 audio 标签。</audio>
      <br>
      <div class="c">
          <div class="tc font30 mb15">{{g}}</div>
      </div>
  </div>
</template>
 
<script>
export default {data () {
    return {
      g:'',
      gd:{
        up:null,
        down:null
      },
      p:null,
      lrc:"[00:00.00] 作曲 : 高进 \n[00:01.00] 作词 : 高进 \n[00:12.56] 我们哭了 \n[00:15.27] 我们笑着 \n[00:18.60] 我们抬头望天空 \n[00:21.43] 星星还亮着几颗 \n[00:24.63] 我们唱着 \n[00:27.56] 时间的歌 \n[00:30.62] 才懂得相互拥抱 \n[00:34.00] 到底是为了什么 \n[00:36.94] 因为我刚好遇见你 \n[00:40.32] 留下足迹才美丽 \n[00:43.69] 风吹花落泪如雨 \n[00:46.48] 因为不想分离 \n[00:49.57] 因为刚好遇见你 \n[00:52.59] 留下十年的期许 \n[00:55.69] 如果再相遇 \n[00:59.15] 我想我会记得你 \n[01:14.28] 我们哭了 \n[01:16.88] 我们笑着 \n[01:20.29] 我们抬头望天空 \n[01:22.96] 星星还亮着几颗 \n[01:26.11] 我们唱着 \n[01:29.11] 时间的歌 \n[01:32.56] 才懂得相互拥抱 \n[01:35.36] 到底是为了什么 \n[01:38.47] 因为我刚好遇见你 \n[01:41.84] 留下足迹才美丽 \n[01:44.83] 风吹花落泪如雨 \n[01:47.97] 因为不想分离 \n[01:51.02] 因为刚好遇见你 \n[01:54.09] 留下十年的期许 \n[01:57.23] 如果再相遇 \n[02:00.69] 我想我会记得你 \n[02:03.69] 因为刚好遇见你 \n[02:06.43] 留下足迹才美丽 \n[02:09.57] 风吹花落泪如雨 \n[02:12.64] 因为不想分离 \n[02:15.76] 因为刚好遇见你 \n[02:18.78] 留下十年的期许 \n[02:21.83] 如果再相遇 \n[02:24.98] 我想我会记得你 \n[02:31.07] 因为我刚好遇见你 \n[02:34.13] 留下足迹才美丽 \n[02:37.25] 风吹花落泪如雨 \n[02:40.37] 因为不想分离 \n[02:43.43] 因为刚好遇见你 \n[02:46.48] 留下十年的期许 \n[02:49.58] 如果再相遇 \n[02:52.67] 我想我会记得你 \n",
      lrcObj:null,
      height:'auto'
    }
  },
  mounted(){this.p = document.querySelector("#player")
    let _this = this;
    this.lrcObj = this.jx();
    console.log(this.lrcObj);
    this.p.addEventListener("timeupdate",function(){let obj = _this.lrcObj[Math.floor(this.currentTime)];
      if(obj!=undefined){_this.g = obj;}
    });
    this.height =window.innerHeight+'px'
    window.onresize  = ()=>{_this.height =window.innerHeight+'px'}
  },
  methods:{jx(){var lyrics = this.lrc.split("\n");
      var lrcObj = {};
      for(var i=0;i<lyrics.length;i++){var lyric = decodeURIComponent(lyrics[i]);
          var timeReg = /\[\d*:\d*((\.|\:)\d*)*\]/g;
          var timeRegExpArr = lyric.match(timeReg);
          if(!timeRegExpArr)continue;
          var clause = lyric.replace(timeReg,'');
          for(var k = 0,h = timeRegExpArr.length;k < h;k++) {var t = timeRegExpArr[k];
              var min = Number(String(t.match(/\[\d*/i)).slice(1)),
                  sec = Number(String(t.match(/\:\d*/i)).slice(1));
              var time = min * 60 + sec;
              lrcObj[time] = clause;
          }
      }
      return lrcObj;
    }
  }
 
}
</script>
<style>
.hello{background-image: url("../assets/by.jpg")
}
.c{color: #927712;}
.tc{
  text-align: center;
  margin:0 auto;
}
.mb15{margin-bottom: 15px;}
.font40{font-size: 4rem;}
.font30{font-size: 3rem;}
</style>