content: import React from 'react';
  
  const footerStyle = {
    marginTop: 50,
    padding: 20,
  };
  
  export default class Footer extends React.Component{
  	render(){
  		return (
  				<div className="text-center" style={footerStyle}>
          			&copy; CopyRight Node.js实战
        			</div>
  			);
  	}
  }