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# 日期范围一
- order: 7
可以设置 `disabledDate` 方法,来约束开始和结束日期。
---
````jsx
import { DatePicker } from 'antd';
const DateRange = React.createClass({
getInitialState() {
return {
startValue: null,
endValue: null
};
},
disabledStartDate(startValue) {
if (!startValue || !this.state.endValue) {
return false;
}
return startValue.getTime() >= this.state.endValue.getTime();
},
disabledEndDate(endValue) {
if (!endValue || !this.state.startValue) {
return false;
}
return endValue.getTime() <= this.state.startValue.getTime();
},
onChange(field, value) {
console.log(field, 'change', value);
this.setState({
[field]: value,
});
},
onStartChange(value) {
this.onChange('startValue', value);
},
onEndChange(value) {
this.onChange('endValue', value);
},
render() {
return (
<div>
<DatePicker disabledDate={this.disabledStartDate}
value={this.state.startValue}
placeholder="开始日期"
onChange={this.onStartChange} />
<DatePicker disabledDate={this.disabledEndDate}
value={this.state.endValue}
placeholder="结束日期"
onChange={this.onEndChange} />
</div>
);
}
});
ReactDOM.render(
<DateRange />
, mountNode);
````