react 子组件改变父组件状态

class Father extends Component {

    construtor(props){

        super(props);

        this.state={

            name: 'Peter',

            age: '26'

        }

    }

    onChangeState(stateName){

        this.setState(stateName)

    }

    render(){

        <p>姓名：{this.state.name}</p>

        <p>年龄：{this.state.age}</p>

        <Child onClicked={this.onChangeState.bind(this)}/>

    }

}

 

 

 

class Child extends Component {

    render(){

        <Button onClicked={()=>this.props.onClicked({name: 'John'})}/>

    }

}