fix(首页): 修复入场动画期间滚动锁定问题
确保在 Lenis 加载完成前后都能正确锁定页面滚动 修复滚动锁定计数逻辑,避免重复操作
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@@ -26,7 +26,7 @@
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/* 首页入场动画期间首帧就隐藏滚动条,避免黑色遮罩边缘露出白色滚动槽。 */
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html.is-home-intro-active,
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html.is-home-intro-active body {
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overflow: hidden;
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overflow: hidden !important;
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background: #000;
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}
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}
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@@ -11,7 +11,7 @@ export const usePageScrollLock = (isLocked: Ref<boolean> | boolean) => {
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// SSR 和 CSR 都支持:自动将 class 注入到 HTML 标签上
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useHead({
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htmlAttrs: {
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class: computed(() => unref(isLocked) ? 'is-home-intro-active' : undefined)
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class: computed(() => unref(isLocked) ? 'is-home-intro-active' : '')
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}
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})
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@@ -23,19 +23,25 @@ export const usePageScrollLock = (isLocked: Ref<boolean> | boolean) => {
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currentlyLocked = locked
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// Lenis 控制仅在客户端有效
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if (import.meta.client && $lenis) {
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if (import.meta.client) {
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if (locked) {
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lenisLockCount++
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// 只有第一个锁请求时,才真正停止 Lenis 并滚动到顶部
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if (lenisLockCount === 1) {
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$lenis.scrollTo(0, { immediate: true })
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$lenis.stop()
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document.documentElement.classList.add('is-home-intro-active')
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if ($lenis) {
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$lenis.scrollTo(0, { immediate: true })
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$lenis.stop()
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}
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}
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} else {
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lenisLockCount = Math.max(0, lenisLockCount - 1)
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// 只有当所有锁请求都释放时,才重新启动 Lenis
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if (lenisLockCount === 0) {
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$lenis.start()
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document.documentElement.classList.remove('is-home-intro-active')
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if ($lenis) {
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$lenis.start()
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}
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}
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}
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}
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@@ -1,6 +1,7 @@
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<script setup lang="ts">
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import { computed, ref, watch } from 'vue'
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import { useI18n } from 'vue-i18n'
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import { useHead, useSeoMeta } from '#imports'
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import { useUserStore } from '~/stores/user'
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import { useAppStore } from '~/stores/app'
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import { usePageScrollLock } from '~/composables/usePageScrollLock'
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@@ -20,6 +21,13 @@ if (!userStore.isLoggedIn) {
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userStore.loadDemoUser()
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}
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// 保证即使 Lenis 还没加载完成,也能通过原生 CSS 锁定页面
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useHead({
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htmlAttrs: {
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class: computed(() => (isIntroActive.value ? 'is-home-intro-active' : '')),
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},
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})
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// 使用组合式函数管理 Lenis 滚动锁定
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usePageScrollLock(isIntroActive)
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