[英]Cannot change state from child to parent component
I am try to change state in parent component onChange event. 我尝试更改父组件onChange事件中的状态。
On click on Checkbox state includeExtremeClaims
should be changed into true
. 在单击复选框状态时,
includeExtremeClaims
应该更改为true
。
Parent Component: 父组件:
export class ManageAnalytics extends Component {
static contextTypes = baseContextTypes
state = {
includeExtremeClaims: false
}
handleChange = (e, { name, value } = {}) => {
this.setState({ [name]: value })
}
render() {
return (
<div>
// Passing down handleChange and includeExtremeClaims state as props
<Analytics
handleChange={this.handleChange}
includeExtremeClaims={this.state.includeExtremeClaims}
/>
</div>
)
}
Child Compnent: 子级:
export class Analytics extends Component {
static contextTypes = baseContextTypes
render() {
const { handleChange, includeExtremeClaims } = this.props
return (
<Checkbox
label="Include Extreme Cases"
name="includeExtremeClaims"
onChange={handleChange}
value={includeExtremeClaims}
/>
)
}
Question is : On click on Checkbox Why my state is not changed? 问题是 :单击复选框后,为什么我的状态没有更改?
Problem was in value which is provide on Checkbox, value is always the same, that is reason why is not changed: 问题在于Checkbox上提供的值,值始终相同,这就是为什么未更改的原因:
value={includeExtremeClaims}
it should be value={!includeExtremeClaims}
value={includeExtremeClaims}
应该是value={!includeExtremeClaims}
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.