Nextjs获取数据

https://nextjs.frontendx.cn/docs/#%E8%B7%AF%E7%94%B1

import React from 'react'
export default class extends React.Component {
  static async getInitialProps({ req }) {
    const res = await fetch('https://api.github.com/repos/zeit/next.js')
    const json = await res.json()
    return { stars: json.stargazers_count }
  }
  render() {
    return (
      <div>
        Hello World {this.props.stars}
      </div>
    )
  }
}