pdf_tech_front_end/utils/request.js

import axios from 'axios';
import cookies from 'vue-cookies'
import { userStore } from '@/store/userInfo'
import { Message } from 'element-ui'
import Qs from 'qs'

//关闭断网时toast
let msg = {
  close(){}
}
// 创建请求实例
const instance = axios.create({
  baseURL: 'http://124.223.7.184:8032',
  // 指定请求超时的毫秒数
  timeout: 10000,
  // 表示跨域请求时是否需要使用凭证
  withCredentials: false,
});

// 前置拦截器（发起请求之前的拦截）
instance.interceptors.request.use(
  (config) => {
    /**
     * 在这里一般会携带前台的参数发送给后台，比如下面这段代码：
     * const token = getToken()
     * if (token) {
     *  config.headers.token = token
     * }
     */
    msg.close()
    if(!(config.url.indexOf("pdf-tech/vppMember/create") !== -1 || config.url.indexOf("/pdf-tech/login") !== -1)){
      const token = cookies.get('accessToken')
      config.headers.Authorization = 'Bearer ' + token
    }
    return config;
  },
  (error) => {
    return Promise.reject(error);
  },
);

// 后置拦截器（获取到响应时的拦截）
instance.interceptors.response.use(
  (response) => {
    /**
     * 根据你的项目实际情况来对 response 和 error 做处理
     * 这里对 response 和 error 不做任何处理，直接返回
     */
    if(response.data.msg === "当前用户不具备操作权限" || response.data.msg === "Insufficient permissions"){
      window.location.href = '/non-admin-user'
      this.$cookies.remove('accessToken')
      userStore().clearUserInfo()
    }
    return response;
  },
  (error) => {
    const { response } = error;
    msg.close()
    if (response && response.data) {
      //没有登录或者登录过期跳到登录页面
      if(response.data.code === 310 && response.data.msg === "无效的token或者token已过期"){
        window.location.href = '/login'
        this.$cookies.remove('accessToken')
        userStore().clearUserInfo()
        Message({
          duration: 5000,
          message: 'Your session has expired. Please log in again.',
          type: "error",
        })
      }
      return Promise.reject(error);
    }
    const { message } = error;
    //断网情况下，弹出框
    if(error.request){
      msg = Message({
        duration: 0,
        showClose: true,
        message: 'Internet Connection Error',
        type: "error",
      })
    }
    console.error(message);
    return Promise.reject(error);
  },
);

// 导出常用函数

/**
 * @param {string} url
 * @param {object} data
 * @param {object} params
 */
export function post(url, data = {}, params = {}) {
  return instance({
    method: 'post',
    url,
    data,
    params,
  });
}

/**
 * @param {string} url
 * @param {object} params
 */
export function get(url, params = {}) {
  return instance({
    method: 'get',
    url,
    params,
  });
}
export function downLoad(url, params = {}) {
  return instance({
    method: 'get',
    url,
    params,
    responseType:"arraybuffer"
  });
}

/**
 * @param {string} url
 * @param {object} data
 * @param {object} params
 */
export function put(url, data = {}, params = {}) {
  return instance({
    method: 'put',
    url,
    params,
    data,
  });
}

/**
 * @param {string} url
 * @param {object} params
 */
export function _delete(url, params = {}) {
  return instance({
    method: 'delete',
    url,
    params,
  });
}

/**
 * @param {string} url
 * @param {object} data
 */
export function postWithHeader(url, data = {}) {
  return instance({
    method: 'post',
    url,
    data,
    headers: {
      'Content-Type': 'application/json'
    },
    dataType: "json",
  });
}

/**
 * @param {string} url
 * @param {object} data
 */
export function putWithHeader(url, data = {}) {
  return instance({
    method: 'put',
    url,
    data,
    headers: {
      'Content-Type': 'application/json'
    },
    dataType: "json",
  });
}

export default instance;