cuipengfei

var express = require('express')
var app = express()

app.put('/message/:id', function (req, res) {
    var id = req.params.id
    var str = require('crypto')
        .createHash('sha1')
        .update(new Date().toDateString().toString() + id)
        .digest('hex')
    res.send(str)

cuipengfei

var path = require('path')
var express = require('express')
var app = express()

app.use(require('stylus').middleware(process.argv[3]));
app.use(express.static(process.argv[3]));

app.listen(process.argv[2])

cuipengfei

var express = require('express')
var app = express()

app.use(express.static(process.argv[3]));
app.listen(process.argv[2])

cuipengfei

var express = require('express')

var app = express()
app.use(express.urlencoded())

app.post('/form', function (req, res) {
    var formDataReversed = req.body.str.split('').reverse().join('')
    res.end(formDataReversed)
})
app.listen(process.argv[2])

cuipengfei

var express = require('express')

var app = express()
app.set('view engine', 'jade')

app.set('views', process.argv[3])
app.get('/home', function (req, res) {
    res.render('index', {date: new Date().toDateString()})
})
app.listen(process.argv[2])

cuipengfei

var http = require('http')
var url = require('url')

var port = process.argv[2]

http.createServer(function (request, response) {

    response.writeHead(200, { 'Content-Type': 'application/json' })

    var reqContent = url.parse(request.url, true)

cuipengfei

var http = require('http')
var map = require('through2-map')

var port = process.argv[2]

http.createServer(function (request, response) {
    request
        .pipe(map(function (chunk) {
            return chunk.toString().toUpperCase()
        }))

cuipengfei

var http = require('http')
var fs = require('fs')

var port = process.argv[2]
var fileName = process.argv[3]

http.createServer(function (request, response) {
    fs.createReadStream(fileName).pipe(response)
}).listen(port)

cuipengfei

var net = require('net')
var moment = require("moment")

var port = process.argv[2]

net.createServer(function (socket) {
    socket.end(moment().format("YYYY-MM-DD HH:mm") + "\n")
}).listen(port)

cuipengfei

var http = require('http')

var url = process.argv[2]

http.get(url, function (resp) {
    var respContent = ""
    resp.setEncoding('utf8')

    resp.on("data",function (data) {
        respContent += data