2016-03-31 14:17:09 +08:00
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---
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category: Components
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2016-09-21 11:28:38 +08:00
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subtitle: 面包屑
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2022-11-09 12:28:04 +08:00
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group: 导航
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2016-09-21 11:28:38 +08:00
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title: Breadcrumb
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2022-11-30 20:14:41 +08:00
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cover: https://mdn.alipayobjects.com/huamei_7uahnr/afts/img/A*I5a2Tpqs3y0AAAAAAAAAAAAADrJ8AQ/original
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2023-02-09 22:17:31 +08:00
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coverDark: https://mdn.alipayobjects.com/huamei_7uahnr/afts/img/A*Tr90QKrE_LcAAAAAAAAAAAAADrJ8AQ/original
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2022-11-09 12:28:04 +08:00
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demo:
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cols: 2
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2016-03-31 14:17:09 +08:00
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---
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2015-06-15 22:01:39 +08:00
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2015-06-26 14:42:30 +08:00
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显示当前页面在系统层级结构中的位置,并能向上返回。
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2015-06-17 20:24:42 +08:00
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2015-06-26 14:42:30 +08:00
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## 何时使用
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2015-06-17 20:24:42 +08:00
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2015-06-26 14:42:30 +08:00
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- 当系统拥有超过两级以上的层级结构时;
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2016-02-18 11:31:49 +08:00
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- 当需要告知用户『你在哪里』时;
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2015-06-26 14:42:30 +08:00
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- 当需要向上导航的功能时。
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2015-09-15 17:35:22 +08:00
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2023-03-05 20:57:49 +08:00
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```jsx
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// >=5.3.0 可用,推荐的写法 ✅
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return <Breadcrumb items={[{ title: 'sample' }]} />;
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// <5.3.0 可用,>=5.3.0 时不推荐 🙅🏻♀️
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return (
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<Breadcrumb>
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<Breadcrumb.Item>sample</Breadcrumb.Item>
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</Breadcrumb>
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);
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// 或
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return <Breadcrumb routes={[{ breadcrumbName: 'sample' }]} />;
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```
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2022-11-09 12:28:04 +08:00
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## 代码演示
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2022-11-17 17:31:26 +08:00
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<!-- prettier-ignore -->
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2022-11-09 12:28:04 +08:00
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<code src="./demo/basic.tsx">基本</code>
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<code src="./demo/withIcon.tsx">带有图标的</code>
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2022-11-17 11:30:20 +08:00
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<code src="./demo/react-router.tsx" iframe="200">react-router V6</code>
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2022-11-09 12:28:04 +08:00
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<code src="./demo/separator.tsx">分隔符</code>
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<code src="./demo/overlay.tsx">带下拉菜单的面包屑</code>
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2023-03-30 16:37:52 +08:00
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<code src="./demo/separator-component.tsx">独立的分隔符</code>
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2023-03-05 20:57:49 +08:00
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<code src="./demo/debug-routes.tsx">Debug Routes</code>
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2022-11-09 12:28:04 +08:00
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2015-09-15 17:35:22 +08:00
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## API
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2019-05-06 12:04:39 +08:00
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### Breadcrumb
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| 参数 | 说明 | 类型 | 默认值 | 版本 |
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| --- | --- | --- | --- | --- |
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| itemRender | 自定义链接函数,和 react-router 配置使用 | (route, params, routes, paths) => ReactNode | - | |
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| params | 路由的参数 | object | - | |
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| items | 路由栈信息 | [items\[\]](#ItemType) | - | 5.3.0 |
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| separator | 分隔符自定义 | ReactNode | `/` | |
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### ItemType
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> type ItemType = [RouteItemType](#RouteItemType) | [SeparatorType](#SeparatorType)
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### RouteItemType
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| 参数 | 说明 | 类型 | 默认值 | 版本 |
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| --- | --- | --- | --- | --- |
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| className | 自定义类名 | string | - | |
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| dropdownProps | 弹出下拉菜单的自定义配置 | [Dropdown](/components/dropdown-cn) | - | |
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| href | 链接的目的地 | string | - | |
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2022-12-22 14:12:26 +08:00
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| menu | 菜单配置项 | [MenuProps](/components/menu-cn/#api) | - | 4.24.0 |
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| onClick | 单击事件 | (e:MouseEvent) => void | - | |
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| title | 名称 | ReactNode | - | 5.3.0 |
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### SeparatorType
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```ts
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const item = {
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type: 'separator', // Must have
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separator: '/',
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};
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```
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2016-08-29 16:52:35 +08:00
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2023-03-05 20:57:49 +08:00
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| 参数 | 说明 | 类型 | 默认值 | 版本 |
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| --------- | -------------- | ----------- | ------ | ----- |
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| type | 标记为分隔符 | `separator` | | 5.3.0 |
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| separator | 要显示的分隔符 | ReactNode | `/` | 5.3.0 |
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2016-12-04 15:17:17 +08:00
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### 和 browserHistory 配合
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和 react-router 一起使用时,默认生成的 url 路径是带有 `#` 的,如果和 browserHistory 一起使用的话,你可以使用 `itemRender` 属性定义面包屑链接。
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```jsx
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import { Link } from 'react-router';
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const items = [
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{
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path: 'index',
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title: 'home',
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},
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{
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path: 'first',
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title: 'first',
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children: [
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{
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path: '/general',
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title: 'General',
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},
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{
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path: '/layout',
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title: 'Layout',
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2019-05-06 12:04:39 +08:00
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},
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{
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path: '/navigation',
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title: 'Navigation',
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},
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],
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},
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{
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path: 'second',
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title: 'second',
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2019-05-06 12:04:39 +08:00
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},
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];
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function itemRender(item, params, items, paths) {
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const last = items.indexOf(item) === items.length - 1;
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return last ? <span>{item.title}</span> : <Link to={paths.join('/')}>{item.title}</Link>;
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2016-12-04 15:17:17 +08:00
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}
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2023-03-05 20:57:49 +08:00
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return <Breadcrumb itemRender={itemRender} items={items} />;
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2016-12-04 15:17:17 +08:00
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```
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2023-03-27 15:33:22 +08:00
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## Design Token
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<ComponentTokenTable component="Breadcrumb"></ComponentTokenTable>
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