feat: Support prefix #54
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,12 @@ | ||
| --- | ||
| title: prefix-suffix | ||
| nav: | ||
| title: Demo | ||
| path: /demo | ||
| --- | ||
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| # Prefix & Suffix Demo | ||
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| This demo shows how to use `prefix` and `suffix` props with the Overflow component. | ||
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| <code src="../../examples/prefix-demo.tsx"></code> |
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| Original file line number | Diff line number | Diff line change | ||||
|---|---|---|---|---|---|---|
| @@ -0,0 +1,254 @@ | ||||||
| import React from 'react'; | ||||||
| import Overflow from '../src'; | ||||||
| import '../assets/index.less'; | ||||||
| import './common.less'; | ||||||
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| interface ItemType { | ||||||
| value: string | number; | ||||||
| label: string; | ||||||
| } | ||||||
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| function createData(count: number): ItemType[] { | ||||||
| const data: ItemType[] = new Array(count).fill(undefined).map((_, index) => ({ | ||||||
| value: index, | ||||||
| label: `Item ${index + 1}`, | ||||||
| })); | ||||||
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| return data; | ||||||
| } | ||||||
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| function renderItem(item: ItemType) { | ||||||
| return ( | ||||||
| <div | ||||||
| style={{ | ||||||
| margin: '0 4px', | ||||||
| padding: '6px 12px', | ||||||
| background: '#f0f0f0', | ||||||
| border: '1px solid #d9d9d9', | ||||||
| borderRadius: '4px', | ||||||
| }} | ||||||
| > | ||||||
| {item.label} | ||||||
| </div> | ||||||
| ); | ||||||
| } | ||||||
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| function renderRest(items: ItemType[]) { | ||||||
| return ( | ||||||
| <div | ||||||
| style={{ | ||||||
| margin: '0 4px', | ||||||
| padding: '6px 12px', | ||||||
| background: '#fff2e8', | ||||||
| border: '1px solid #ffbb96', | ||||||
| borderRadius: '4px', | ||||||
| color: '#d46b08', | ||||||
| }} | ||||||
| > | ||||||
| +{items.length} more | ||||||
| </div> | ||||||
| ); | ||||||
| } | ||||||
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| const PrefixDemo = () => { | ||||||
| const [itemCount, setItemCount] = React.useState(8); | ||||||
| const [prefixType, setPrefixType] = React.useState<'none' | 'text' | 'icon' | 'complex'>('text'); | ||||||
| const [suffixType, setSuffixType] = React.useState<'none' | 'text' | 'button'>('none'); | ||||||
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| const data = React.useMemo(() => createData(itemCount), [itemCount]); | ||||||
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| const renderPrefix = () => { | ||||||
| switch (prefixType) { | ||||||
| case 'text': | ||||||
| return ( | ||||||
| <div | ||||||
| style={{ | ||||||
| padding: '6px 12px', | ||||||
| background: '#e6f7ff', | ||||||
| border: '1px solid #91d5ff', | ||||||
| borderRadius: '4px', | ||||||
| color: '#1890ff', | ||||||
| fontWeight: 'bold', | ||||||
| }} | ||||||
| > | ||||||
| 标签: | ||||||
| </div> | ||||||
| ); | ||||||
| case 'icon': | ||||||
| return ( | ||||||
| <div | ||||||
| style={{ | ||||||
| padding: '6px 8px', | ||||||
| background: '#f6ffed', | ||||||
| border: '1px solid #b7eb8f', | ||||||
| borderRadius: '4px', | ||||||
| color: '#52c41a', | ||||||
| }} | ||||||
| > | ||||||
| 🏷️ | ||||||
| </div> | ||||||
| ); | ||||||
| case 'complex': | ||||||
| return ( | ||||||
| <div | ||||||
| style={{ | ||||||
| padding: '4px 8px', | ||||||
| background: 'linear-gradient(45deg, #f0f0f0, #e6f7ff)', | ||||||
| border: '1px solid #91d5ff', | ||||||
| borderRadius: '4px', | ||||||
| display: 'flex', | ||||||
| alignItems: 'center', | ||||||
| gap: '4px', | ||||||
| }} | ||||||
| > | ||||||
| <span style={{ fontSize: '12px' }}>📋</span> | ||||||
| <span style={{ fontSize: '12px', color: '#1890ff' }}>分类:</span> | ||||||
| </div> | ||||||
| ); | ||||||
| default: | ||||||
| return undefined; | ||||||
| } | ||||||
| }; | ||||||
|
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| const renderSuffix = () => { | ||||||
| switch (suffixType) { | ||||||
| case 'text': | ||||||
| return ( | ||||||
| <div | ||||||
| style={{ | ||||||
| padding: '6px 12px', | ||||||
| background: '#fff1f0', | ||||||
| border: '1px solid #ffccc7', | ||||||
| borderRadius: '4px', | ||||||
| color: '#f5222d', | ||||||
| fontSize: '12px', | ||||||
| }} | ||||||
| > | ||||||
| (总计) | ||||||
| </div> | ||||||
| ); | ||||||
| case 'button': | ||||||
| return ( | ||||||
| <button | ||||||
| style={{ | ||||||
| padding: '4px 8px', | ||||||
| background: '#f0f0f0', | ||||||
| border: '1px solid #d9d9d9', | ||||||
| borderRadius: '4px', | ||||||
| cursor: 'pointer', | ||||||
| fontSize: '12px', | ||||||
| }} | ||||||
| onClick={() => alert('查看更多')} | ||||||
| > | ||||||
| 更多 → | ||||||
| </button> | ||||||
| ); | ||||||
| default: | ||||||
| return undefined; | ||||||
| } | ||||||
| }; | ||||||
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| return ( | ||||||
| <div style={{ padding: 32 }}> | ||||||
| <h2>Prefix Demo</h2> | ||||||
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| <div style={{ marginBottom: 16 }}> | ||||||
| <label style={{ marginRight: 8 }}>Items Count:</label> | ||||||
| <select | ||||||
| value={itemCount} | ||||||
| onChange={(e) => setItemCount(Number(e.target.value))} | ||||||
| style={{ marginRight: 16, padding: '2px 4px' }} | ||||||
| > | ||||||
| <option value={3}>3</option> | ||||||
| <option value={5}>5</option> | ||||||
| <option value={8}>8</option> | ||||||
| <option value={12}>12</option> | ||||||
| <option value={20}>20</option> | ||||||
| </select> | ||||||
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| <label style={{ marginRight: 8 }}>Prefix:</label> | ||||||
| <select | ||||||
| value={prefixType} | ||||||
| onChange={(e) => setPrefixType(e.target.value as any)} | ||||||
| style={{ marginRight: 16, padding: '2px 4px' }} | ||||||
| > | ||||||
| <option value="none">None</option> | ||||||
| <option value="text">Text</option> | ||||||
| <option value="icon">Icon</option> | ||||||
| <option value="complex">Complex</option> | ||||||
| </select> | ||||||
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| <label style={{ marginRight: 8 }}>Suffix:</label> | ||||||
| <select | ||||||
| value={suffixType} | ||||||
| onChange={(e) => setSuffixType(e.target.value as any)} | ||||||
|
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| style={{ padding: '2px 4px' }} | ||||||
| > | ||||||
| <option value="none">None</option> | ||||||
| <option value="text">Text</option> | ||||||
| <option value="button">Button</option> | ||||||
| </select> | ||||||
| </div> | ||||||
|
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||||||
| <div | ||||||
| style={{ | ||||||
| border: '2px solid #1890ff', | ||||||
| padding: 16, | ||||||
| borderRadius: 8, | ||||||
| background: '#fafafa', | ||||||
| }} | ||||||
| > | ||||||
| <h3 style={{ margin: '0 0 16px 0', color: '#1890ff' }}>Responsive Mode:</h3> | ||||||
| <div | ||||||
| style={{ | ||||||
| border: '1px dashed #d9d9d9', | ||||||
| padding: 12, | ||||||
| maxWidth: 500, | ||||||
| background: 'white', | ||||||
| borderRadius: 4, | ||||||
| }} | ||||||
| > | ||||||
| <Overflow<ItemType> | ||||||
| data={data} | ||||||
| renderItem={renderItem} | ||||||
| renderRest={renderRest} | ||||||
| maxCount="responsive" | ||||||
| prefix={renderPrefix()} | ||||||
| suffix={renderSuffix()} | ||||||
| /> | ||||||
| </div> | ||||||
| </div> | ||||||
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| <div | ||||||
| style={{ | ||||||
| border: '2px solid #52c41a', | ||||||
| padding: 16, | ||||||
| borderRadius: 8, | ||||||
| background: '#fafafa', | ||||||
| marginTop: 24, | ||||||
| }} | ||||||
| > | ||||||
| <h3 style={{ margin: '0 0 16px 0', color: '#52c41a' }}>Fixed MaxCount (5):</h3> | ||||||
| <div | ||||||
| style={{ | ||||||
| border: '1px dashed #d9d9d9', | ||||||
| padding: 12, | ||||||
| background: 'white', | ||||||
| borderRadius: 4, | ||||||
| }} | ||||||
| > | ||||||
| <Overflow<ItemType> | ||||||
| data={data} | ||||||
| renderItem={renderItem} | ||||||
| renderRest={renderRest} | ||||||
| maxCount={5} | ||||||
| prefix={renderPrefix()} | ||||||
| suffix={renderSuffix()} | ||||||
| /> | ||||||
| </div> | ||||||
| </div> | ||||||
| </div> | ||||||
| ); | ||||||
| }; | ||||||
|
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| export default PrefixDemo; | ||||||
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在
onChange事件处理器中，使用了as any类型断言，这会绕过 TypeScript 的类型检查。为了更好的类型安全，建议使用更具体的类型断言。