19 lines
500 B
JavaScript
19 lines
500 B
JavaScript
import React,{Component} from 'react';
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import prop from 'prop-types';
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class HeaderComponent extends Component{
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render(){
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return(
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<div id="header" style={this.props.isShow ? {display:'block'}:{display:'none'}}>{this.props.title}</div>
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);
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}
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}
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//prop设置属性
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HeaderComponent.propTypes={
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title:prop.string.isRequired,
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isShow:prop.bool.isRequired
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}
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//prop设置默认值
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HeaderComponent.defaultProps={
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title:'默认值'
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}
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export default HeaderComponent; |