import React from 'react'; import { Spin } from 'antd'; export default class PromiseRender extends React.PureComponent { state = { component: false, }; async componentDidMount() { this.props.promise .then(() => { this.setState({ component: this.props.ok, }); }) .catch(() => { this.setState({ component: this.props.error, }); }); } render() { const C = this.state.component; return C ? ( ) : (
); } }