node-fetch使用form-data上传文件

node-fetch-form-data.mjs

import FormData from 'form-data'
import { readFileSync } from 'fs'
import fetch from 'node-fetch'

const url = 'https://test.com/api'

const name = 'avatar'
const file = readFileSync('./avatar.jpg')

const form = new FormData()
form.append('name', name)
// 不加filename可能会报错
form.append('file', file, { filename: 'avatar.jpg' })

fetch(url, {
  method: 'POST',
  body: form,
})
  .then(res => res.json())
  .then(data => console.log(data))