text: import axios from "axios";
  import { MessageBox, Message } from "element-ui";
  import store from "@/store";
  import { getToken } from "@/utils/auth";
  
  // create an axios instance
  const service = axios.create({
    baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
    // withCredentials: true, // send cookies when cross-domain requests
    timeout: 5000 // request timeout
  });
  
  // request interceptor
  service.interceptors.request.use(
    config => {
      // do something before request is sent
  
      if (store.getters.token) {
        // let each request carry token
        // ['X-Token'] is a custom headers key
        // please modify it according to the actual situation
        // config.headers['X-Token'] = getToken()
        config.headers["Authorization"] = "JWT " + getToken();
      }
      return config;
    },
    error => {
      // do something with request error
      console.log(error); // for debug
      return Promise.reject(error);
    }
  );
  
  // response interceptor
  service.interceptors.response.use(
    /**
     * If you want to get http information such as headers or status
     * Please return  response => response
     */
  
    /**
     * Determine the request status by custom code
     * Here is just an example
     * You can also judge the status by HTTP Status Code
     */
    response => {
      const res = response.data;
  
      // if the custom code is not 20000, it is judged as an error.
      if (res.code !== 0) {
        Message({
          message: res.message || "Error",
          type: "error",
          duration: 5 * 1000
        });
  
        // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
        if (res.code === 50008 || res.code === 50012 || res.code === 50014) {
          // to re-login
          MessageBox.confirm(
            "You have been logged out, you can cancel to stay on this page, or log in again",
            "Confirm logout",
            {
              confirmButtonText: "Re-Login",
              cancelButtonText: "Cancel",
              type: "warning"
            }
          ).then(() => {
            store.dispatch("user/resetToken").then(() => {
              location.reload();
            });
          });
        }
        return Promise.reject(new Error(res.message || "Error"));
      } else {
        return res;
      }
    },
    error => {
      console.log("err" + error); // for debug
      Message({
        message: error.message,
        type: "error",
        duration: 5 * 1000
      });
      return Promise.reject(error);
    }
  );
  
  export default service;
  