2016-03-31 09:40:55 +08:00
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---
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order: 4
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2016-07-11 11:45:42 +08:00
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title:
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zh-CN: 动态
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en-US: Dynamic
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2016-03-31 09:40:55 +08:00
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---
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2015-11-18 17:05:56 +08:00
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2016-07-11 11:45:42 +08:00
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## zh-CN
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2015-11-18 17:05:56 +08:00
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展示动态变化的效果。
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2016-07-11 11:45:42 +08:00
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## en-US
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The count will be animated as it changes.
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2019-05-07 14:57:32 +08:00
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```jsx
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2019-08-13 14:07:17 +08:00
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import { Badge, Button, Switch } from 'antd';
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2021-01-29 14:27:36 +08:00
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import { MinusOutlined, PlusOutlined, QuestionOutlined } from '@ant-design/icons';
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2018-06-27 15:55:04 +08:00
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2015-11-18 17:05:56 +08:00
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const ButtonGroup = Button.Group;
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2017-02-19 20:27:06 +08:00
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class Demo extends React.Component {
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state = {
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count: 5,
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show: true,
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2019-05-07 14:57:32 +08:00
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};
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2017-02-19 20:27:06 +08:00
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increase = () => {
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2015-11-23 15:21:52 +08:00
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const count = this.state.count + 1;
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2015-11-18 17:05:56 +08:00
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this.setState({ count });
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2019-05-07 14:57:32 +08:00
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};
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2017-02-19 20:27:06 +08:00
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decline = () => {
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2015-11-23 15:21:52 +08:00
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let count = this.state.count - 1;
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2015-11-18 17:05:56 +08:00
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if (count < 0) {
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count = 0;
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}
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this.setState({ count });
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2019-05-07 14:57:32 +08:00
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};
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2017-02-19 20:27:06 +08:00
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2021-01-29 14:27:36 +08:00
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random = () => {
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const count = Math.floor(Math.random() * 100);
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this.setState({ count });
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};
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2019-05-07 14:57:32 +08:00
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onChange = show => {
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2016-12-20 11:06:40 +08:00
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this.setState({ show });
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2019-05-07 14:57:32 +08:00
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};
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2017-02-19 20:27:06 +08:00
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2015-11-18 17:05:56 +08:00
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render() {
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2016-01-07 16:29:12 +08:00
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return (
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<div>
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2016-12-20 11:06:40 +08:00
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<div>
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<Badge count={this.state.count}>
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<a href="#" className="head-example" />
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</Badge>
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2016-01-07 16:29:12 +08:00
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<ButtonGroup>
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2017-02-04 22:35:33 +08:00
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<Button onClick={this.decline}>
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2019-11-28 12:34:33 +08:00
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<MinusOutlined />
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2016-01-07 16:29:12 +08:00
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</Button>
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2017-02-04 22:35:33 +08:00
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<Button onClick={this.increase}>
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2019-11-28 12:34:33 +08:00
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<PlusOutlined />
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2016-01-07 16:29:12 +08:00
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</Button>
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2021-01-29 14:27:36 +08:00
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<Button onClick={this.random}>
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<QuestionOutlined />
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</Button>
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2016-01-07 16:29:12 +08:00
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</ButtonGroup>
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2016-12-20 11:06:40 +08:00
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</div>
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<div style={{ marginTop: 10 }}>
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<Badge dot={this.state.show}>
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<a href="#" className="head-example" />
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</Badge>
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2017-07-31 18:03:16 +08:00
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<Switch onChange={this.onChange} checked={this.state.show} />
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2016-01-07 16:29:12 +08:00
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</div>
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2015-11-18 17:05:56 +08:00
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</div>
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2016-01-07 16:29:12 +08:00
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);
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2017-02-19 20:27:06 +08:00
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}
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}
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2015-11-18 17:05:56 +08:00
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2017-02-19 20:27:06 +08:00
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ReactDOM.render(<Demo />, mountNode);
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2019-05-07 14:57:32 +08:00
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```
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