vue如何实现一个防篡改的水印组件？

nodejs

<template>
  <div class="watermark-container">
    <canvas ref="watermarkCanvas" class="watermark-canvas"></canvas>
    <div class="content">
      <!-- 这里是您的页面内容 -->
      <slot></slot>
    </div>
  </div>
</template>

<script>
export default {
  mounted() {
    this.drawWatermark();
    window.addEventListener('scroll', this.drawWatermark);
    window.addEventListener('resize', this.drawWatermark);
  },
  beforeDestroy() {
    window.removeEventListener('scroll', this.drawWatermark);
    window.removeEventListener('resize', this.drawWatermark);
  },
  methods: {
    drawWatermark() {
      const canvas = this.$refs.watermarkCanvas;
      const context = canvas.getContext('2d');
      context.clearRect(0, 0, canvas.width, canvas.height);

      // 设置水印样式
      context.font = '20px Arial';
      context.fillStyle = 'rgba(0, 0, 0, 0.1)';
      context.rotate((-20 * Math.PI) / 180);

      const text = 'Your Watermark Text';

      // 在画布上绘制水印
      for (let i = 0; i < window.innerWidth; i += 200) {
        for (let j = 0; j < window.innerHeight; j += 100) {
          context.fillText(text, i, j);
        }
      }
    },
  },
};
</script>

<style>
.watermark-container {
  position: relative;
}

.watermark-canvas {
...

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