index.js

import React from 'react'

export default (title) => (WrappedComponent) => class HOC extends React.Component {
  render() {
    const newProps = {
      test: 'hoc'
    }
    return <div>
      <div className="demo-header">
        {title
          ? title
          : '我是标题'}
      </div>
      <WrappedComponent {...this.props} {...newProps} />
    </div>
  }
}