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125 lines
4.8 KiB
Markdown
125 lines
4.8 KiB
Markdown
---
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category: Components
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type: Layout
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cols: 1
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title: Layout
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cover: https://gw.alipayobjects.com/zos/alicdn/hzEndUVEx/Layout.svg
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---
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Handling the overall layout of a page.
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## Specification
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### Size
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The first level navigation is left aligned near a logo, and the secondary menu is right aligned.
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- Top Navigation: the height of the first level navigation `64px`, the second level navigation `48px`.
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- Top Navigation (for landing pages): the height of the first level navigation `80px`, the second level navigation `56px`.
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- Calculation formula of a top navigation: `48+8n`.
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- Calculation formula of an aside navigation: `200+8n`.
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### Interaction rules
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- The first level navigation and the last level navigation should be distinguishable by visualization;
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- The current item should have the highest priority of visualization;
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- When the current navigation item is collapsed, the style of the current navigation item is applied to its parent level;
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- The left side navigation bar has support for both the accordion and expanding styles; you can choose the one that fits your case the best.
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## Visualization rules
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Style of a navigation should conform to its level.
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- **Emphasis by colorblock**
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When background color is a deep color, you can use this pattern for the parent level navigation item of the current page.
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- **The highlight match stick**
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When background color is a light color, you can use this pattern for the current page navigation item; we recommend using it for the last item of the navigation path.
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- **Highlighted font**
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From the visualization aspect, a highlighted font is stronger than colorblock; this pattern is often used for the parent level of the current item.
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- **Enlarge the size of the font**
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`12px`, `14px` is a standard font size of navigations, `14px` is used for the first and the second level of the navigation. You can choose an appropriate font size regarding the level of your navigation.
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## Component Overview
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- `Layout`: The layout wrapper, in which `Header` `Sider` `Content` `Footer` or `Layout` itself can be nested, and can be placed in any parent container.
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- `Header`: The top layout with the default style, in which any element can be nested, and must be placed in `Layout`.
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- `Sider`: The sidebar with default style and basic functions, in which any element can be nested, and must be placed in `Layout`.
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- `Content`: The content layout with the default style, in which any element can be nested, and must be placed in `Layout`.
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- `Footer`: The bottom layout with the default style, in which any element can be nested, and must be placed in `Layout`.
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> Based on `flex layout`, please pay attention to the [compatibility](http://caniuse.com/#search=flex).
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## API
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```jsx
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<Layout>
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<Header>header</Header>
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<Layout>
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<Sider>left sidebar</Sider>
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<Content>main content</Content>
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<Sider>right sidebar</Sider>
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</Layout>
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<Footer>footer</Footer>
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</Layout>
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```
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### Layout
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The wrapper.
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| Property | Description | Type | Default |
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| --- | --- | --- | --- |
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| className | Container className | string | - |
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| hasSider | Whether contain Sider in children, don't have to assign it normally. Useful in ssr avoid style flickering | boolean | - |
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| style | To customize the styles | CSSProperties | - |
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### Layout.Sider
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The sidebar.
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| Property | Description | Type | Default |
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| --- | --- | --- | --- |
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| breakpoint | [Breakpoints](/components/grid/#Col) of the responsive layout | `xs` \| `sm` \| `md` \| `lg` \| `xl` \| `xxl` | - |
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| className | Container className | string | - |
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| collapsed | To set the current status | boolean | - |
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| collapsedWidth | Width of the collapsed sidebar, by setting to 0 a special trigger will appear | number | 80 |
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| collapsible | Whether can be collapsed | boolean | false |
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| defaultCollapsed | To set the initial status | boolean | false |
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| reverseArrow | Reverse direction of arrow, for a sider that expands from the right | boolean | false |
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| style | To customize the styles | CSSProperties | - |
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| theme | Color theme of the sidebar | `light` \| `dark` | `dark` |
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| trigger | Specify the customized trigger, set to null to hide the trigger | ReactNode | - |
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| width | Width of the sidebar | number \| string | 200 |
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| zeroWidthTriggerStyle | To customize the styles of the special trigger that appears when `collapsedWidth` is 0 | object | - |
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| onBreakpoint | The callback function, executed when [breakpoints](/components/grid/#API) changed | (broken) => {} | - |
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| onCollapse | The callback function, executed by clicking the trigger or activating the responsive layout | (collapsed, type) => {} | - |
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#### breakpoint width
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```js
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{
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xs: '480px',
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sm: '576px',
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md: '768px',
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lg: '992px',
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xl: '1200px',
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xxl: '1600px',
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}
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```
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<style>
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[data-theme="dark"] .site-layout-background {
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background: #141414;
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}
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[data-theme="dark"] .site-layout-header-background {
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background: #1f1f1f;
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}
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</style>
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