vue3管理后台-全屏功能的实现

<el-button
      size="small"
      icon="FullScreen"
      circle
      @click="fullScreen">
</el-button>


const fullScreen = () => {
  //获取当前是否全屏展示
  let full = document.fullscreenElement
  if (!full) {
    document.documentElement.requestFullscreen()
  } else {
    document.exitFullscreen()
  }
}