node.js - [求助]nodejs中如何将一个文件转为Blob binary data

Question

现在我已经把文件读成byte[]不知道下一步怎么做了？

Answer 1

The following function reads the file. After Node.js reads the file, data is saved in binary Buffer format. The data in Blob format is also saved in binary mode, so it can be said that data This is what the questioner wanted Blob binary data. I don’t know if it solves the questioner’s problem.

var fs = require('fs')
fs.readFile('/etc/passwd', function (err, data) {
  if (err) throw err
  console.log('isBuffer: ' + Buffer.isBuffer(data)) // isBuffer: true
  console.log(data) // <Buffer 72 6f ... >
})