stream學習

來源慕課網

var Readable = require('stream').Readable
var Writable = require('stream').Writable

var readStream = new Readable()
var writStream = new Writable()

readStream.push('I')
readStream.push('Love')
readStream.push('Imooc\n')
readStream.push(null)

writStream._write = function (chunk,encode,cb) {
    console.log(chunk.toString())
    cb()
}
readStream.pipe(writStream)