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# InputNumber
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- category: Components
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- chinese: 数字输入框
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- order: 4
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---
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通过鼠标或键盘，输入范围内的数值。
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## 何时使用
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当需要获取标准数值时。
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## API
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属性如下
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| 成员 | 说明 | 类型 | 默认值 |
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|-------------|----------------|--------------------|--------------|
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| min | 最小值 | Number | -Infinity |
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| max | 最大值 | Number | Infinity |
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| value | 当前值 | Number | |
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| step | 每次改变步数 | Number | 1 |
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| defaultValue | 初始值 | Number | |
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| onChange | 变化回调 | Function | |
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| disabled | 禁用 | Boolean | false |
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| size | 输入框大小 | String | 无 |
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