所以我一直在努力处理这段代码。我有一个接受 child 作为 Prop 的组件,它应该是我托管的所有页面的基础。
基础.jsx:
import React from 'react';
import PropTypes from 'prop-types';
import { Link, NavLink } from 'react-router-dom';
const Base = ({ child }) => (
<div>
<div className="top-bar">
<div className="top-bar-left">
<NavLink to="/">React App</NavLink>
</div>
<div className="top-bar-right">
<Link to="/login">Log in</Link>
</div>
</div>
{child.render()} // HERE IS THE CHILD TO RENDER
</div>
);
Base.propTypes = {
child: PropTypes.object.isRequired
};
export default Base;
然后,在 app.jsx 中,ReactDom.render()
在哪里,我有这个:
import React from 'react';
import ReactDom from 'react-dom';
import injectTapEventPlugin from 'react-tap-event-plugin';
import getMuiTheme from 'material-ui/styles/getMuiTheme';
import MuiThemeProvider from 'material-ui/styles/MuiThemeProvider';
import {BrowserRouter, Switch, Route} from 'react-router-dom';
import LoginPag from './components/LoginPag.jsx';
import Base from './components/Base.jsx';
import HomePage from './components/HomePage.jsx';
// for MaterialUI to work properly
injectTapEventPlugin();
const TestLogin = (props) => {
return (<Base child={LoginPag} />);
};
const TestBase = (props) => {
return(<Base child={HomePage}/>)
};
ReactDom.render((<BrowserRouter><MuiThemeProvider muiTheme={getMuiTheme()}>
<div>
<Switch>
<Route exact path="/" component={TestBase} />
<Route exact path="/login" component={TestLogin}/>
</Switch>
</div>
</MuiThemeProvider>
</BrowserRouter>), document.getElementById('react-app'));
最后,HomePage 和 LoginPag 看起来很像,这里是 HomePage.jsx:
import React from 'react';
import { Card, CardTitle } from 'material-ui/Card';
const HomePage = {
render() {
return (<Card className="container">
<CardTitle title="React Application" subtitle="This is the home page." />
</Card>);
}
};
export default HomePage;
我现在的问题是:是否有可能摆脱这些抽象 TestLogin
和 TestBase
?
我的最终目标是拥有这样的东西:
<Route exact path="/" component={Base(HomePage)} />
,也就是去掉抽象层,直接一行渲染。
提前致谢。
编辑:感谢 anuragasaurus,我可以实现我想要的。我也可以在类里面做吗?该类声明为 class LoginPage extends React.Component
并且有一个 render()
方法。
最佳答案
您可以使用render
内联显示您的组件,
<Route exact path="/" render={()=><Base child={HomePage} />} />
<Route exact path="/login" render={()=><Base child={LoginPage} />}/>
关于javascript - 通过 React-router 渲染子组件,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/44783472/