---
title: "Breadcrumb 组件 — zenit Zig UI"
description: "表达当前位置及祖先路径。分隔符、当前项、点击项与截断策略保持可读语义。"
url: https://zenit.z.express/zh/components/breadcrumb
language: zh-CN
alternate_en: https://zenit.z.express/components/breadcrumb.md
alternate_es: https://zenit.z.express/es/components/breadcrumb.md
alternate_ja: https://zenit.z.express/ja/components/breadcrumb.md
alternate_ko: https://zenit.z.express/ko/components/breadcrumb.md
alternate_fr: https://zenit.z.express/fr/components/breadcrumb.md
alternate_de: https://zenit.z.express/de/components/breadcrumb.md
project: zenit v0.1.0-alpha (Zig 0.15.2, macOS)
source: https://github.com/version-next/zenit
---

# Breadcrumb

`ui.widgets.Breadcrumb`

表达当前位置及祖先路径。

[Video](https://zenit.z.express/media/stories/breadcrumb.mp4?v=041af54c60)

**BEHAVIOR CONTRACT**

分隔符、当前项、点击项与截断策略保持可读语义。

**RECORDED INTERACTION**

录像展示 Home / Library / Data。

`examples/storybook/stories.zig:691`

```zig
// ── Breadcrumb ──
pub fn buildBreadcrumb(scope: *ui.Scope, cx: *ui.Cx) anyerror!*ui.Node {
    const items = [_]W.BreadcrumbItem{
        .{ .id = "home", .label_text = "Home" },
        .{ .id = "lib", .label_text = "Library" },
        .{ .id = "data", .label_text = "Data" },
    };
    return W.Breadcrumb(.{ .items = &items }).mount(scope, cx);
}
```

[在 GitHub 查看源码examples/storybook/stories.zig:691](https://github.com/version-next/zenit/blob/HEAD/examples/storybook/stories.zig#L691)

这是 Storybook 中该 story 的原样代码（zenit 5f9add5+wip 2026-09-30）。其中 `W` 即 `ui.widgets`，`col` / `row` / `label` 是 Storybook 内的布局小工具。

### BreadcrumbProps

`ui.widgets.Breadcrumb`

[src/ui/components/breadcrumb/mod.zig:24](https://github.com/version-next/zenit/blob/HEAD/src/ui/components/breadcrumb/mod.zig#L24)

```zig
fn Breadcrumb(props: BreadcrumbProps) BreadcrumbBuilder
```

| 字段 | 类型 | 默认值 | 说明 |
| --- | --- | --- | --- |
| `items` | `[]const BreadcrumbItem` | `&.{}` | — |
| `separator` | `[]const u8` | `"/"` | — |
| `on_click` | `?core.HandlerRef` | `null` | — |

### \*Node

`ui.widgets.Breadcrumb`

mount 直接返回 `*Node`，把它 append 到父节点即可。