---
order: 2
title: 不可用
---

点击按钮切换可用状态。

````jsx
import { InputNumber, Button } from 'antd';

const Test = React.createClass({
  getInitialState() {
    return {
      disabled: true,
    };
  },
  toggle() {
    this.setState({
      disabled: !this.state.disabled,
    });
  },
  render() {
    return (
      <div>
        <InputNumber min={1} max={10} disabled={this.state.disabled} defaultValue={3} />
        <div style={{ marginTop: 20 }}>
          <Button onClick={this.toggle} type="primary">Toggle disabled</Button>
        </div>
      </div>
    );
  },
});

ReactDOM.render(<Test />, mountNode);
````