详情切换动画与侧栏折叠动画
详情换选中:内容 out-in 淡切,容器高度从旧值滑到新值。auto 高度不可 插值,做法是离开前钉住当前高度,新内容进场时量出目标值过渡过去,结束 后清掉内联样式交还给内容。 侧栏折叠改成裁切式:只过渡外层宽度,内层内容按展开宽度定死、被 overflow 裁掉,文字用透明度淡出(比宽度动画快,先消失再收边,不露半截字)。原来 用 display: none 藏文字加居中图标,动画中途会重排跳位。折叠宽度取 60px 是因为图标中心恰好在 30px,收拢后天然居中,全程不用挪任何东西;折叠 按钮钉在右下角,跟着边缘走。
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@@ -137,14 +137,22 @@ const current = computed(() => NAV.find((n) => n.key === active.value))
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</template>
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<style scoped>
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/*
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* 侧栏折叠的做法:只过渡外层宽度,内层内容保持展开时的固定宽度、被 overflow 裁切,
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* 文字用透明度淡出。不用 display: none 藏文字——那会让内容在动画中途重排、图标跳位。
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* 60px 这个折叠宽度是算出来的:图标中心在 12+1+8+9=30px,正好是 60 的一半,
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* 收拢后图标视觉居中,全程不需要挪动任何东西。
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*/
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.shell {
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--side-w: 184px;
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display: grid;
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grid-template-columns: 184px 1fr;
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grid-template-columns: var(--side-w) 1fr;
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min-height: 100%;
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transition: grid-template-columns 0.3s ease;
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}
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.shell.is-compact {
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grid-template-columns: 56px 1fr;
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--side-w: 60px;
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}
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/* ── 侧栏 ───────────────────────────────────── */
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@@ -163,6 +171,14 @@ const current = computed(() => NAV.find((n) => n.key === active.value))
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padding: var(--s-4) var(--s-3);
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border-right: 1px solid var(--c-border);
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background: var(--c-surface);
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overflow: hidden;
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}
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/* 内容按展开宽度定死(184 - 24 内边距 - 1 边框),收拢时被裁掉而不是挤压换行 */
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.brand,
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.nav,
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.side-foot {
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min-width: 159px;
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}
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.brand {
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@@ -204,6 +220,19 @@ const current = computed(() => NAV.find((n) => n.key === active.value))
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white-space: nowrap;
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}
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/* 收拢时淡出的文字。比外层宽度的 0.3s 快,字先消失、再收边,不露半截字 */
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.brand-name,
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.nav-label,
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.kernel {
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transition: opacity 0.2s ease;
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}
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.is-compact .brand-name,
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.is-compact .nav-label,
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.is-compact .kernel {
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opacity: 0;
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}
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.nav {
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list-style: none;
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margin: 0;
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@@ -249,9 +278,9 @@ const current = computed(() => NAV.find((n) => n.key === active.value))
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.side-foot {
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display: flex;
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align-items: center;
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justify-content: space-between;
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gap: var(--s-2);
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padding: 0 var(--s-2);
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/* 右边给绝对定位的折叠按钮留位置 */
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padding: 0 44px 0 var(--s-2);
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}
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.kernel {
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@@ -281,10 +310,14 @@ const current = computed(() => NAV.find((n) => n.key === active.value))
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text-overflow: ellipsis;
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}
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/* 钉在侧栏右下角:宽度过渡时自动跟着边缘走。right 取 17 是为了收拢到 60px 时正好居中 */
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.densify {
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flex: none;
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display: grid;
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place-items: center;
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position: absolute;
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right: 17px;
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bottom: var(--s-4);
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display: flex;
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align-items: center;
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justify-content: center;
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width: 26px;
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height: 26px;
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border: 1px solid transparent;
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@@ -298,21 +331,6 @@ const current = computed(() => NAV.find((n) => n.key === active.value))
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color: var(--c-text);
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}
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/* 紧凑模式:文字收起来,只留图标 */
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.is-compact .brand-name,
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.is-compact .nav-label,
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.is-compact .kernel-text {
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display: none;
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}
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.is-compact .brand,
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.is-compact .nav-item {
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justify-content: center;
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padding-left: 0;
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padding-right: 0;
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}
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.is-compact .side-foot {
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flex-direction: column;
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}
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/* ── 主区 ───────────────────────────────────── */
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.main {
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@@ -147,6 +147,42 @@ function toggleOpen() {
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open.value = !open.value
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if (open.value) void revealBottom()
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}
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/**
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* 切换选中的入站时,内容淡出淡入,容器高度从旧值滑到新值。
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* 高度过渡没法纯 CSS 做:auto 不可插值。所以离开前把当前高度钉住,
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* 新内容进场时量出目标高度、过渡过去,结束后清掉内联样式让内容重新做主。
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*/
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function lockHeight() {
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const el = rootEl.value
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if (!el) return
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el.style.height = `${String(el.offsetHeight)}px`
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el.style.overflow = 'hidden'
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}
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function settleHeight() {
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const el = rootEl.value
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if (!el || !el.style.height) return
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const from = el.style.height
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el.style.height = 'auto'
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const to = `${String(el.offsetHeight)}px`
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if (to === from) {
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el.style.height = ''
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el.style.overflow = ''
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return
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}
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el.style.height = from
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void el.offsetHeight
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el.style.transition = 'height 0.15s ease'
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el.style.height = to
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el.addEventListener('transitionend', function done(event) {
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if (event.propertyName !== 'height') return
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el.removeEventListener('transitionend', done)
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el.style.transition = ''
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el.style.height = ''
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el.style.overflow = ''
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})
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}
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const form = ref<OutboundSetup>({ proxy: { sources: [], filter: null }, chain: null })
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/**
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@@ -338,6 +374,15 @@ const complete = computed(
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<template>
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<aside ref="rootEl" class="detail">
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<!-- 换一路入站:淡出旧内容、淡入新内容,高度的过渡由上面两个钩子做 -->
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<Transition
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name="swap"
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mode="out-in"
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@before-leave="lockHeight"
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@enter="settleHeight"
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@after-enter="moveInk"
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>
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<div :key="inbound.id">
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<header class="top">
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<div class="title">
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<span class="port mono">{{ inbound.port }}</span>
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@@ -588,6 +633,8 @@ const complete = computed(
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</div>
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</section>
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</template>
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</div>
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</Transition>
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</aside>
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</template>
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@@ -779,6 +826,17 @@ h3 {
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opacity: 0;
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}
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/* 切换入站的内容淡切。高度的过渡不在这里,由 lockHeight/settleHeight 用内联样式做 */
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.swap-enter-active,
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.swap-leave-active {
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transition: opacity 0.12s ease;
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}
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.swap-enter-from,
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.swap-leave-to {
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opacity: 0;
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}
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.grid {
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display: grid;
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grid-template-columns: repeat(auto-fill, minmax(168px, 1fr));
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