我在React中有一个组件,我在index.js中导入,但它给出了这个错误:
渲染没有返回任何内容.这通常意味着缺少return语句.或者,为了不渲染,返回null
index.js:
import React from 'react';
import ReactDOM from 'react-dom';
import Search_Bar from './components/search_bar';
const API_KEY = 'AIzaSyCnpDObOLiiqN87YKJKZ-cxzdAsvYD1F-U';
const App = () => {
return
(
<div>
<Search_Bar />
</div>
);
}
ReactDOM.render(<App />, document.querySelector('#root'));
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零件:
import React from 'react';
const Search_Bar = () =>
{
return <input />;
};
export default Search_Bar;
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