uploadFile | Weixin public doc

# uploadFile

Uploads local resources to the cloud storage. If uploaded to the same path, it will be overwritten.

Request parameters

Field	Description	Data Type	Default	Required
cloudPath	Cloud storage path. For naming rules, see File Naming Rules	String	-	Y
fileContent	Content of the file to upload	Buffer or fs.ReadStream	-	Y

Description of Promise return result

Field	Description	Data Type
fileID	File ID	String
statusCode	HTTP status code returned by the server	Number

Error return parameter

Field	Description	Data Type
errCode	Error code	Number
errMsg	Error message, in the format of apiName:fail msg	String

# Use Case

Promise style

const cloud = require('wx-server-sdk')
const fs = require('fs')
const path = require('path')

exports.main = async (event, context) => {
  const fileStream = fs.createReadStream(path.join(__dirname, 'demo.jpg'))
  return await cloud.uploadFile({
    cloudPath: 'demo.jpg',
    fileContent: fileStream,
  })
}