Cloud .getTempFileURL(fileList: string[]): Promise<Object>

Support: small programs, cloud functions, web

In exchange for a real link with a cloud file ID, the link obtained by the publicly read file does not expire, and the link obtained by the private file is valid for ten minutes. Take up to 50 at a time.

Parameters

fileList: string[]

The list of cloud file IDs to exchange for temporary links

Returns a value

Promise.<Object>

The structure of fileList

Example of a small terminal

Promise style

wx.cloud.getTempFileURL({
  fileList: [{
    fileID: 'a7xzcb',
    maxAge: 60 * 60, // one hour
  }]
}).then(res => {
  // get temp file URL
  console.log(res.fileList)
}).catch(error => {
  // handle error
})

Callback style

wx.cloud.getTempFileURL({
  fileList: ['cloud://xxx', 'cloud://yyy'],
  success: res => {
    // get temp file URL
    console.log(res.fileList)
  },
  fail: err => {
    // handle error
  }
})

An example of the cloud function side

const cloud = require('wx-server-sdk')
cloud.init({
  env: cloud.DYNAMIC_CURRENT_ENV
})

exports.main = async (event, context) => {
  const fileList = ['cloud://xxx', 'cloud://yyy']
  const result = await cloud.getTempFileURL({
    fileList: fileList,
  })
  return result.fileList
}