src/components/AppLayout/AppLayout.vue

@@ -60,6 +60,46 @@ function isActive(path: string): boolean {
   return path === '/' ? route.path === '/' : route.path.startsWith(path)
 }
 
+/**
+ * 面包屑: 从当前 route.path 在菜单树里 DFS 追溯完整父级链
+ * 返回 [一级目录, ..., 末级菜单], 不含"工作台"前缀(template 里单独拼)
+ * 找不到时 fallback 到 route.meta.title
+ */
+const breadcrumbItems = computed<string[]>(() => {
+  const currentPath = route.path
+  // 工作台首页不显示中间层级
+  if (currentPath === '/' || currentPath === '/dashboard') return []
+  // DFS 找父级链
+  function findChain(items: MenuItem[], target: string, chain: MenuItem[]): boolean {
+    for (const item of items) {
+      if (item.path === target || (item.path !== '/' && target.startsWith(item.path))) {
+        chain.push(item)
+        return true
+      }
+      if (item.children?.length) {
+        chain.push(item)
+        if (findChain(item.children, target, chain)) return true
+        chain.pop()
+      }
+    }
+    return false
+  }
+  const chain: MenuItem[] = []
+  findChain(menuList.value, currentPath, chain)
+  const metaTitle = route.meta?.title as string | undefined
+  if (chain.length) {
+    const titles: string[] = chain.map(i => i.title)
+    const last = chain[chain.length - 1]
+    if (last.path !== currentPath) {
+      // 详情页: 命中的是父前缀, 追加 meta.title
+      return metaTitle ? [...titles, metaTitle] : titles
+    }
+    return titles
+  }
+  // 菜单树没命中 (如 /inquiry/:id 详情页), 用 meta.title 兜底
+  return metaTitle ? [metaTitle] : []
+})
+
 const PARENT_GROUP: Record<string, string> = {
   '概览': '概览',
   '业务': '业务',
@@ -329,7 +369,7 @@ onMounted(loadBadges)
           </div>
           <el-breadcrumb separator=">" class="rr-topbar-breadcrumb">
             <el-breadcrumb-item :to="{ path: '/' }">工作台</el-breadcrumb-item>
-            <el-breadcrumb-item>{{ route.meta?.title || '' }}</el-breadcrumb-item>
+            <el-breadcrumb-item v-for="item in breadcrumbItems" :key="item">{{ item }}</el-breadcrumb-item>
           </el-breadcrumb>
         </div>
         <div class="rr-topbar-right">