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