React.cloneElement 可以给子组件传递props
用法 React.cloneElement( element, [props], [...child] )
parent class {
getChildren(){ const _this = this; let { children } = _this.props;
return React.Children.map(children, child => { return React.cloneElement(child, { count: _this.state.count }); }); }
render {
return {this.props.children};
}
}