Vue和Canvas：如何实现视频播放器的定制化界面

<div id="app">  <video id="video" src="video.mp4"></video>  <canvas id="canvas"></canvas></div>

Vue.component('video-player', {  template: `    <div>      <video ref="videoRef" src="video.mp4"></video>      <canvas ref="canvasRef"></canvas>    </div>  `,  mounted() {    this.video = this.$refs.videoRef;    this.canvas = this.$refs.canvasRef;    this.context = this.canvas.getContext('2d');  },  methods: {    play() {      this.video.play();    },    pause() {      this.video.pause();    },    drawInterface() {      // 在这里绘制自定义的界面    }  }})new Vue({  el: '#app',})

drawInterface() {  // 清除画布  this.context.clearRect(0, 0, this.canvas.width, this.canvas.height);    // 绘制进度条  let progress = this.video.currentTime / this.video.duration;  let progressBarWidth = this.canvas.width * progress;  this.context.fillStyle = 'blue';  this.context.fillRect(0, 0, progressBarWidth, 10);    // 绘制播放按钮  let buttonSize = 50;  this.context.fillStyle = 'red';  this.context.fillRect(this.canvas.width / 2 - buttonSize / 2, this.canvas.height / 2 - buttonSize / 2, buttonSize, buttonSize);}

mounted() {  // 其他代码...    this.video.addEventListener('play', () => {    this.drawInterface();  });    this.video.addEventListener('pause', () => {    this.drawInterface();  });    this.canvas.addEventListener('click', (event) => {    // 在这里处理鼠标点击事件  });}