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---
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order: 3
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title:
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zh-CN: 条件触发
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en-US: Conditional trigger
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---
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## zh-CN
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可以判断是否需要弹出。
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## en-US
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Make it pop up under some conditions.
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```jsx
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import { Popconfirm, Switch, message } from 'antd';
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class App extends React.Component {
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state = {
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visible: false,
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condition: true, // Whether meet the condition, if not show popconfirm.
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};
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changeCondition = value => {
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this.setState({ condition: value });
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};
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confirm = () => {
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this.setState({ visible: false });
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message.success('Next step.');
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};
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cancel = () => {
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this.setState({ visible: false });
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message.error('Click on cancel.');
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};
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handleVisibleChange = visible => {
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if (!visible) {
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this.setState({ visible });
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return;
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}
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// Determining condition before show the popconfirm.
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console.log(this.state.condition);
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if (this.state.condition) {
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this.confirm(); // next step
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} else {
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this.setState({ visible }); // show the popconfirm
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}
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};
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render() {
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return (
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<div>
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<Popconfirm
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title="Are you sure delete this task?"
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visible={this.state.visible}
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onVisibleChange={this.handleVisibleChange}
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onConfirm={this.confirm}
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onCancel={this.cancel}
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okText="Yes"
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cancelText="No"
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>
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<a href="#">Delete a task</a>
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</Popconfirm>
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<br />
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<br />
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Whether directly execute:
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<Switch defaultChecked onChange={this.changeCondition} />
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</div>
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);
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}
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}
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ReactDOM.render(<App />, mountNode);
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```
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