【发布时间】:2017-03-27 21:19:14
【问题描述】:
我是 React 新手,我正在使用来自 https://github.com/facebookincubator/create-react-app 的入门项目。 我正在尝试使用来自https://github.com/IgniteUI/igniteui-react 的 IgniteUI 网格。
我正在尝试在我的 javascript 中使用 <IgGrid /> 标记。
我收到以下错误:
Uncaught Error: Element type is invalid: expected a string (for built-in components) or a class/function (for composite components) but got: object. You likely forgot to export your component from the file it's defined in. Check the render method of `UIGrid`.
at invariant (invariant.js:44)
at instantiateReactComponent (instantiateReactComponent.js:77)
at instantiateChild (ReactChildReconciler.js:44)
at ReactChildReconciler.js:71
at traverseAllChildrenImpl (traverseAllChildren.js:77)
at traverseAllChildrenImpl (traverseAllChildren.js:93)
at traverseAllChildren (traverseAllChildren.js:172)
at Object.instantiateChildren (ReactChildReconciler.js:70)
at ReactDOMComponent._reconcilerInstantiateChildren (ReactMultiChild.js:187)
at ReactDOMComponent.mountChildren (ReactMultiChild.js:226)
调用代码使用的UIGrid.js如下:
import '../scripts/ignite-react.js'
import IgGrid from '../scripts/igniteui-react.min.js';
import React from 'react';
class UIGrid extends React.Component{
render(){
return(
<div id="uigrid">
<h2> Play </h2>
<IgGrid />
</div>
);
}
}
export default UIGrid;
index.html如下:
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico">
<title>React App</title>
</head>
<body>
<div id="root"></div>
</body>
</html>
index.js如下:
import React from 'react';
import ReactDOM from 'react-dom';
import UIGrid from './components/grid/UIGrid'
import './index.css';
ReactDOM.render(
<UIGrid />,
document.getElementById('root')
);
igniteui-react.min.js 脚本包含在项目的 scripts 文件夹中。
寻找在我的项目中实现网格的正确方法。
感谢任何帮助。 谢谢!
【问题讨论】:
标签: reactjs reactive-programming infragistics ignite-ui iggrid