上传附件

export function UpLoadImg(file) {
  console.log(file)
  const param = new FormData() // 创建form对象
  param.append('image', file) // 通过append向form对象添加数据
  const config = {
    headers: { 'Content-Type': 'multipart/form-data' }
  }
  return request.post('/upload/image', param, config)
}

　request.js

import axios from 'axios'
import { Message, MessageBox } 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
  headers: { 'Content-Type': 'application/json;charset=utf-8' }
})

// request interceptor
service.interceptors.request.use(
  config => {
    // do something before request is sent

    if (store.getters.token) {
      config.headers['Authorization'] = `${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.success != 1) {
      Message({
        message: res.msg || res.message || 'Error',
        type: 'error',
        duration: 5 * 1000
      })

      // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
      if (res.code === 401) {
        // to re-login
        MessageBox.confirm('登录到期，请重新登录！', '提示', {
          confirmButtonText: '重新登录',
          cancelButtonText: '关闭',
          type: 'warning'
        }).then(() => {
          store.dispatch('user/resetToken').then(() => {
            location.reload()
          })
        })
      }
      return Promise.reject(new Error(res.msg || res.message || 'Error'))
    } else {
      return res
    }
  },
  error => {
    if (error.response.data.msg == '登录信息失效，请重新登录！') {
      MessageBox.confirm('登录到期，请重新登录！', '提示', {
        confirmButtonText: '重新登录',
        cancelButtonText: '关闭',
        type: 'warning'
      }).then(() => {
        store.dispatch('user/resetToken').then(() => {
          location.reload()
        })
      })
    } else {
      console.log('err' + error) // for debug
      Message({
        message: error.response.data.msg || error.message,
        type: 'error',
        duration: 5 * 1000
      })
    }

    return Promise.reject(error)
  }
)

export default service