axios 上传二进制

import axios from 'axios'
const http = axios.create()
const BASE_URL = process.env.BASE_URL
const newUpload = (url, data) => {
    if(data && Object.keys(data).length > 0){
      let formData = new FormData();
      for(let key in data){
        formData.append(key, data[key])
      }
      return http.post(url,formData,{
        baseURL: BASE_URL, // 基础路径
        headers: {
          'Content-Type': 'multipart/form-data', // 关键
        },
      })
    }
  }