text: import fetch from 'dva/fetch';
  import { notification } from 'antd';
  import router from 'umi/router';
  import hash from 'hash.js';
  import { isAntdPro } from './utils';
  
  // const apiUrl = window.config.pro_apiUrl;
  const {apiUrl} = window.config;
  const codeMessage = {
    200: '服务器成功返回请求的数据。',
    201: '新建或修改数据成功。',
    202: '一个请求已经进入后台排队（异步任务）。',
    204: '删除数据成功。',
    400: '发出的请求有错误，服务器没有进行新建或修改数据的操作。',
    401: '用户没有权限（令牌、用户名、密码错误）。',
    403: '用户得到授权，但是访问是被禁止的。',
    404: '发出的请求针对的是不存在的记录，服务器没有进行操作。',
    406: '请求的格式不可得。',
    410: '请求的资源被永久删除，且不会再得到的。',
    422: '当创建一个对象时，发生一个验证错误。',
    500: '服务器发生错误，请检查服务器。',
    502: '网关错误。',
    503: '服务不可用，服务器暂时过载或维护。',
    504: '网关超时。',
  };
  
  const checkStatus = response => {
    if (response.status >= 200 && response.status < 300) {
      return response;
    }
    const errortext = codeMessage[response.status] || response.statusText;
    notification.error({
      message: `请求错误 ${response.status}: ${response.url}`,
      description: errortext,
    });
    const error = new Error(errortext);
    error.name = response.status;
    error.response = response;
    throw error;
  };
  
  const cachedSave = (response, hashcode) => {
    /**
     * Clone a response data and store it in sessionStorage
     * Does not support data other than json, Cache only json
     */
    const contentType = response.headers.get('Content-Type');
    if (contentType && contentType.match(/application\/json/i)) {
      // All data is saved as text
      response
        .clone()
        .text()
        .then(content => {
          sessionStorage.setItem(hashcode, content);
          sessionStorage.setItem(`${hashcode}:timestamp`, Date.now());
        });
    }
    return response;
  };
  
  /**
   * Requests a URL, returning a promise.
   *
   * @param  {string} url       The URL we want to request
   * @param  {object} [option] The options we want to pass to "fetch"
   * @return {object}           An object containing either "data" or "err"
   */
  export default function request(url, option) {
    const options = {
      // expirys: isAntdPro(),
      ...option,
    };
    /**
     * Produce fingerprints based on url and parameters
     * Maybe url has the same parameters
     */
    const fingerprint = `${apiUrl}/API${  url  }${options.body ? JSON.stringify(options.body) : ''}`;
    const hashcode = hash
      .sha256()
      .update(fingerprint)
      .digest('hex');
  
    const defaultOptions = {
      // credentials: 'include',
    };
    const newOptions = { ...defaultOptions, ...options };
    console.log('222', newOptions);
    if (
      newOptions.method === 'POST' ||
      newOptions.method === 'PUT' ||
      newOptions.method === 'DELETE' ||
      newOptions.method === 'GET'
    ) {
      if (!(newOptions.body instanceof FormData)) {
        newOptions.headers = {
          Accept: 'application/json',
          'Content-Type': 'application/json; charset=utf-8',
          ...newOptions.headers,
          Authorization: localStorage.getItem('accessToken') || '',
        };
        newOptions.body = JSON.stringify(newOptions.body);
      } else {
        // newOptions.body is FormData
        newOptions.headers = {
          Accept: 'application/json',
          ...newOptions.headers,
          Authorization: localStorage.getItem('accessToken') || '',
        };
      }
    }
  
    // const expirys = options.expirys && 60;
    // // options.expirys !== false, return the cache,
    // if (options.expirys !== false) {
    //   const cached = sessionStorage.getItem(hashcode);
    //   const whenCached = sessionStorage.getItem(`${hashcode}:timestamp`);
    //   if (cached !== null && whenCached !== null) {
    //     const age = (Date.now() - whenCached) / 1000;
    //     if (age < expirys) {
    //       const response = new Response(new Blob([cached]));
    //       return response.json();
    //     }
    //     sessionStorage.removeItem(hashcode);
    //     sessionStorage.removeItem(`${hashcode}:timestamp`);
    //   }
    // }
    // return fetch(apiUrl + url, newOptions)
    console.log('sssss', newOptions);
    // debugger
    return (
      fetch(`${apiUrl  }/API${  url}`, newOptions)
        .then(checkStatus)
        // .then(response => cachedSave(response, hashcode))
        .then(response => {
          // DELETE and 204 do not return data by default
          // using .json will report an error.
          // if (newOptions.method === 'DELETE' || response.status === 204) {
          //   return response.text();
          // }
          console.log('response', response)
          return response.json();
        })
        .catch(e => {
          const status = e.name;
          if (status === 401) {
            // @HACK
            /* eslint-disable no-underscore-dangle */
            window.g_app._store.dispatch({
              type: 'login/logout',
            });
            return;
          }
          // environment should not be used
          if (status === 403) {
            router.push('/exception/403');
            return;
          }
          if (status <= 504 && status >= 500) {
            router.push('/exception/500');
            return;
          }
          if (status >= 404 && status < 422) {
            router.push('/exception/404');
          }
        })
    );
  }
  