全屏

全屏

		<a-button
            class="nav-btn"
            type="outline"
            :shape="'circle'"
            @click="toggleFullScreen"
          >
            <template #icon>
              <icon-fullscreen-exit v-if="isFullscreen" />
              <icon-fullscreen v-else />
            </template>
          </a-button>

//全屏方法
const isFullscreen = ref(false);
const toggleFullScreen = () => {
  let element = document.documentElement;
  if (isFullscreen.value) {
    if (document.exitFullscreen) {
      document.exitFullscreen();
    } else if (document.webkitCancelFullScreen) {
      document.webkitCancelFullScreen();
    } else if (document.mozCancelFullScreen) {
      document.mozCancelFullScreen();
    } else if (document.msExitFullscreen) {
      document.msExitFullscreen();
    }
  } else {
    if (element.requestFullscreen) {
      element.requestFullscreen();
    } else if (element.webkitRequestFullScreen) {
      element.webkitRequestFullScreen();
    } else if (element.mozRequestFullScreen) {
      element.mozRequestFullScreen();
    } else if (element.msRequestFullscreen) {
      // IE11
      element.msRequestFullscreen();
    }
  }
  isFullscreen.value = !isFullscreen.value;
};