ios 微信公众号 上传图片至服务器,axios 上传文件到微信公众号接口提示503错误...

解决方案如下

import axios from 'axios'

import * as fs from 'fs'

import { HttpDelegate } from './HttpKit'

import * as FormData from 'form-data'

import * as https from 'https'

import concat = require('concat-stream')

upload(url: string, filePath: string, params?: string): Promise {

return new Promise((resolve, reject) => {

let formData = new FormData()

formData.append('media', fs.createReadStream(filePath))

if (params) {

formData.append('description', params)

}

formData.pipe(

concat({ encoding: 'buffer' }, async data => {

axios

.post(url, data, {

headers: {

'Content-Type': 'multipart/form-data'

}

})

.then(response => {

if (response.status === 200) {

resolve(JSON.stringify(response.data))

} else {

reject(`error code ${response.status}`)

}

})

.catch(error => {

reject(error)

})

})

)

})

}

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