admin_new P0+P1 全批次合并 (84 commits) #2
@ -69,18 +69,28 @@ const breadcrumbItems = computed<string[]>(() => {
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const currentPath = route.path
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// 工作台首页不显示中间层级
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if (currentPath === '/' || currentPath === '/dashboard') return []
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// DFS 找父级链
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// DFS 找父级链: 父菜单(有 children)的 path 是第一个子菜单的 path(见
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// resolveMenuItem), 不能用 path 前缀短路命中父菜单, 必须先递归子树,
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// 子树没命中才考虑父菜单自身。
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function findChain(items: MenuItem[], target: string, chain: MenuItem[]): boolean {
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for (const item of items) {
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if (item.path === target || (item.path !== '/' && target.startsWith(item.path))) {
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// 叶子节点: path 精确匹配
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if (!item.children?.length) {
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if (item.path === target) {
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chain.push(item)
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return true
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}
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continue
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}
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// 父节点: 先递归子树
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chain.push(item)
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if (findChain(item.children, target, chain)) return true
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chain.pop()
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// 子树没命中, 看父节点自身 path 是否是 target 的前缀(详情页场景)
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if (item.path !== '/' && target.startsWith(item.path)) {
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chain.push(item)
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return true
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}
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if (item.children?.length) {
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chain.push(item)
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if (findChain(item.children, target, chain)) return true
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chain.pop()
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}
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}
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return false
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}
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