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---
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order: 3
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title:
zh-CN: 小数
en-US: Decimals
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---
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## zh-CN
和原生的数字输入框一样, value 的精度由 step 的小数位数决定。
## en-US
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A numeric-only input box whose values can be increased or decreased using a decimal step. The number of decimals (also known as precision) is determined by the step prop.
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````jsx
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import { InputNumber } from 'antd';
function onChange(value) {
console.log('changed', value);
}
ReactDOM.render(
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< InputNumber min = {0} max = {10} step = {0.1} onChange = {onChange} / > ,
mountNode);
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````