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# 条件触发
- order: 3
可以判断是否需要弹出。
---
````jsx
import { Popconfirm, Switch, message } from 'antd';
let App = React.createClass({
getInitialState() {
return {
visible: false,
condition: true, // 是否满足条件,不满足则弹出确认框
};
},
changeCondition(value) {
this.setState({ condition: value });
},
confirm() {
this.setState({ visible: false });
message.success('进行下一步操作. next step.');
},
cancel() {
this.setState({ visible: false });
message.error('点击了取消');
},
handleVisibleChange(visible) {
if (!visible) {
this.setState({ visible });
return;
}
// 打开前进行判断
console.log(this.state.condition);
if (this.state.condition) {
this.confirm(); // 直接执行下一步
} else {
this.setState({ visible }); // 进行确认
}
},
render() {
return (
<div>
<Popconfirm title="确定要删除这个任务吗?"
visible={this.state.visible} onVisibleChange={this.handleVisibleChange}
onConfirm={this.confirm} onCancel={this.cancel}>
<a href="#">删除某任务</a>
</Popconfirm>
<br />
<br />
点击是否直接执行:<Switch defaultChecked onChange={this.changeCondition} />
</div>
);
}
});
ReactDOM.render(<App />, mountNode);
````