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			67 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
			
		
		
	
	
			67 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
| ## Badge 徽章
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| 
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| ### 使用指南
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| ``` javascript
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| import { Badge, BadgeGroup } from 'vant';
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| 
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| Vue.use(Badge);
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| Vue.use(BadgeGroup);
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| ```
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| 
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| ### 代码演示
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| 
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| #### 基础用法
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| 
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| 通过在`van-badge-group`上设置`active-key`属性来控制选中的`badge`
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| 
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| ```html
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| <van-badge-group :active-key="activeKey" @change="onChange">
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|   <van-badge title="标签名称" />
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|   <van-badge title="标签名称" info="8" />
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|   <van-badge title="标签名称" info="99" />
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|   <van-badge title="标签名称" info="99+" />
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| </van-badge-group>
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| ```
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| 
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| ``` javascript
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| export default {
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|   data() {
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|     return {
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|       activeKey: 0
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|     };
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|   },
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| 
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|   methods: {
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|     onChange(key) {
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|       this.activeKey = key;
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|     }
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|   }
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| };
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| ```
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| 
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| ### BadgeGroup API
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| 
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| | 参数 | 说明 | 类型 | 默认值 | 版本 |
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| |------|------|------|------|------|
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| | active-key | 选中`badge`的索引 | `String | Number` | `0` | - |
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| 
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| ### BadgeGroup Event
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| 
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| | 事件名 | 说明 | 参数 |
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| |------|------|------|
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| | change | 切换徽章时触发 | key: 当前选中徽章的索引 |
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| 
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| ### Badge API
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| 
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| | 参数 | 说明 | 类型 | 默认值 | 版本 |
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| |------|------|------|------|------|
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| | title | 内容 | `String` | `''` | - |
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| | info | 提示消息 | `String | Number` | `''` | - |
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| | url | 跳转链接 | `String` | - | - |
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| 
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| ### Badge Event
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| 
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| | 事件名 | 说明 | 参数 |
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| |------|------|------|
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| | click | 点击徽章时触发 | key: 当前徽章的索引 |
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