#axios 拦截器 取消请求，#axios interceptors.request cancel a http request #使用axios在request拦截器中取消请求

instance.interceptors.request.use(config => {
  /* some logic */
  const CancelToken = Axios.CancelToken;
  return {
    ...config,
    cancelToken: new CancelToken((cancel) => cancel('Cancel repeated request'))
  };
});