<!-- 返回顶部按钮 -->
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<template>
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<Transition
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enter-active-class="tad-300 ease-out"
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leave-active-class="tad-200 ease-in"
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enter-from-class="opacity-0 translate-y-2"
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enter-to-class="opacity-100 translate-y-0"
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leave-from-class="opacity-100 translate-y-0"
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leave-to-class="opacity-0 translate-y-2"
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>
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<div
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v-show="showButton"
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class="fixed right-10 bottom-15 size-9.5 flex-cc c-p border border-g-300 rounded-md tad-300 hover:bg-g-200"
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@click="scrollToTop"
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>
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<ArtSvgIcon icon="ri:arrow-up-wide-line" class="text-g-500 text-lg" />
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</div>
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</Transition>
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</template>
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<script setup>
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import { useCommon } from '@/hooks/core/useCommon'
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defineOptions({ name: 'ArtBackToTop' })
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const { scrollToTop } = useCommon()
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const showButton = ref(false)
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const scrollThreshold = 300
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onMounted(() => {
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const scrollContainer = document.getElementById('app-main')
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if (scrollContainer) {
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const { y } = useScroll(scrollContainer)
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watch(y, (newY) => {
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showButton.value = newY > scrollThreshold
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})
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}
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})
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</script>
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