- 「画流程图 / 语法要求 / 有参考图」标签不再各自调 useDark():vueuse 每个实例都会重写 <html> 的 class、插一段禁用过渡的样式再强制整页重算,一页十几个标签就重算十几遍。 明暗两套色改走 CSS(html.dark)。每次切换 Vue 更新 46ms → 15ms、样式重算 24ms → 1.6ms - 新索引 submission_public_problem_user_idx(problem_id, user_id, result,只含公开提交): 每页「做对 / 做过人数」原来要把以 user_id 打头的索引 11 万行扫一遍。 列表接口 19ms → 9ms,「最多人做对」排序 55ms → 26ms - 第一次打开、没带筛选时,不再单独多数一次题目总数 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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@@ -1,7 +1,6 @@
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<script setup lang="ts">
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import { Icon } from "@iconify/vue"
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import type { ProblemTypeFilter } from "@oj2/contract"
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import { useDark } from "@vueuse/core"
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import { useThemeVars } from "naive-ui"
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import { PROBLEM_TYPE_LABEL } from "../utils/problemType"
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@@ -15,7 +14,6 @@ import { PROBLEM_TYPE_LABEL } from "../utils/problemType"
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const props = defineProps<{ kind: ProblemTypeFilter }>()
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const theme = useThemeVars()
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const isDark = useDark()
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const ICON: Record<ProblemTypeFilter, string> = {
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flowchart: "ph:pencil-simple-line-bold",
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@@ -23,27 +21,19 @@ const ICON: Record<ProblemTypeFilter, string> = {
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reference: "ph:flow-arrow-bold",
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}
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const style = computed(() => {
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const t = theme.value
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if (props.kind === "flowchart") {
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// 主题里没有紫色,两套手配的值,字都压到 4.5:1 以上
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return isDark.value
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? { color: "#c4adf5", background: "rgba(160, 120, 240, 0.18)", borderColor: "transparent" }
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: { color: "#5b2fa6", background: "#efe8fb", borderColor: "transparent" }
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}
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if (props.kind === "ast") {
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return {
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color: isDark.value ? t.infoColor : t.infoColorPressed,
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background: "transparent",
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borderColor: isDark.value ? "rgba(112, 192, 232, 0.45)" : "#b9cdee",
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}
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}
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return { color: t.textColor3, background: "transparent", borderColor: t.borderColor }
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})
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// 明暗两套色都交给 CSS(html.dark),这里只递主题色。**别在这里调 useDark()**:
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// 每个实例都会往 <html> 上重写一遍 class、插一段禁用过渡的样式再强制整页重算样式,
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// 一页题目十几个标签,切一次知识点就白白重算十几遍(实测占了切换耗时的一大半)
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const vars = computed(() => ({
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"--tag-info": theme.value.infoColorPressed,
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"--tag-info-dark": theme.value.infoColor,
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"--tag-muted": theme.value.textColor3,
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"--tag-border": theme.value.borderColor,
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}))
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</script>
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<template>
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<span class="type-tag" :class="kind" :style="style">
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<span class="type-tag" :class="kind" :style="vars">
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<Icon :icon="ICON[props.kind]" :width="12" />{{ PROBLEM_TYPE_LABEL[props.kind] }}
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</span>
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</template>
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@@ -64,7 +54,31 @@ const style = computed(() => {
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white-space: nowrap;
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}
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/* 主题里没有紫色,两套手配的值,字都压到 4.5:1 以上 */
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.type-tag.flowchart {
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font-weight: 600;
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color: #5b2fa6;
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background: #efe8fb;
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border-color: transparent;
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}
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html.dark .type-tag.flowchart {
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color: #c4adf5;
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background: rgba(160, 120, 240, 0.18);
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}
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.type-tag.ast {
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color: var(--tag-info);
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border-color: #b9cdee;
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}
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html.dark .type-tag.ast {
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color: var(--tag-info-dark);
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border-color: rgba(112, 192, 232, 0.45);
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}
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.type-tag.reference {
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color: var(--tag-muted);
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border-color: var(--tag-border);
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}
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</style>
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