vue中 解决弹窗出现之后背景滚动（移动端 ）

watch: {
    show(v) {
      this.toggleContainerTouchAction(v)
      if (v) {
        document.body.addEventListener('touchmove', this.stopTouch, { passive: false, capture: true })
      } else {
        document.body.removeEventListener('touchmove', this.stopTouch, { capture: true })
      }
    },
  },
  methods: {
    toggleContainerTouchAction(v) {
      const container = document.querySelector('.container')
      if (!container) {
        return
      }
      container.style['touch-action'] = v ? 'none' : 'auto'
    },
    stopTouch(e) {
      e.preventDefault()
    },
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