<div v-html="someData"></div>

created() {
    //监听左右箭头按键的键盘按下事件
    this.$nextTick(() => {
      document.onkeydown = (e) => {
        if (e.keyCode == 39 && this.currentPage < this.pageCount) {
          //这是右箭头，
          this.currentPage++; 
        } else if (e.keyCode == 37 && this.currentPage > 1) {
          //这是左箭头，
          this.currentPage--; 
        }
      };
    });
  }