路由器createElement和渲染失败
我正在探索react-router并遇到一个非常基本的问题。 令人沮丧的部分是我在另一个应用程序中使用react-router,它工作正常!
我在控制台中得到这个错误。 我在这里错过了什么?
警告:React.createElement:type不应该为null,undefined,boolean或number。 它应该是一个字符串(用于DOM元素)或ReactClass(用于复合组件)。
未捕获的不变违规:元素类型无效:期望一个字符串(对于内置组件)或类/函数(对于复合组件),但得到:object。
var React = require('react');
var ReactDOM = require('react-dom');
var Router = require('react-router');
var Route = require('react-router').Route;
var hashHistory = require('react-router').hashHistory;
var App = React.createClass({
render: function() {
return <div>App Rendered from React Router!</div>
}
});
//this works - there is nothing wrong with App component
// ReactDOM.render((
// <App/>
// ), document.getElementById('app'));
//This works - just so I understand the basics
// var Child = React.createElement('div',{className:'child'});
// var Parent = React.createElement('div',{className:'parent'},Child);
// ReactDOM.render(Parent, document.getElementById('app'));
//this doesn't work - copy pasted from tutorial
ReactDOM.render((
<Router history={hashHistory}>
<Route path="/" component={App}/>
</Router>
), document.getElementById('app'));
//Babel transpiled code
// ReactDOM.render(React.createElement(
// Router,
// { history: hashHistory },
// React.createElement(Route, { path: '/', component: App })
// ), document.getElementById('app'));
//this doesn't work
// var route = React.createElement(Route, { path: '/', component: App });
// var router = React.createElement(Router,{ history: hashHistory });
//
// ReactDOM.render(router, document.getElementById('app'));
你需要导入Router
如
var Router = require('react-router').Router
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