<script src="https://unpkg.com/axios/dist/axios.min.js"></script>

<input name="file" type="file" accept="image/png,image/gif,image/jpeg" @change="update"/>

import axios from 'axios'
// 添加请求头
update (e) {  // 上传照片
   var self = this
   let file = e.target.files[0]
   /* eslint-disable no-undef */
   let param = new FormData() // 创建form对象
   param.append('file', file, file.name) // 通过append向form对象添加数据
   param.append('chunk', '0') // 添加form表单中其他数据
   console.log(param.get('file')) // FormData私有类对象，访问不到，可以通过get判断值是否传进去
   let config = {
    headers: {'Content-Type': 'multipart/form-data'}
   }
   // 添加请求头
  axios.post('http://172.19.26.60:8081/rest/user/headurl', param, config)
    .then(response => {
     if (response.data.code === 0) {
      self.ImgUrl = response.data.data
     }
     console.log(response.data)
    })
  }