btcboxの各種値をスクレイピングするスクリプト。

btcbox.coffee

phantom = require 'phantom'
cheerio = require 'cheerio'

if process.argv.length <= 2
  console.log "coin type error!"
  process.exit()

coin = process.argv[2]
unless coin in ['btc','ltc', 'doge']
  console.log "coin type error!"
  process.exit()

phantom.create (ph) ->
  ph.createPage (page) ->
    url="https://www.btcbox.co.jp/coin/#{coin}/"
    page.open url, (status) ->
      console.log "opened btcbox-#{coin}?", status
      page.evaluate ( -> document.querySelector('html').innerHTML), (html) ->
        $ = cheerio.load html
        console.log "価格 #{$("#market-price").text()}"
        console.log "高値 #{$("#market-max").text()}"
        console.log "安値 #{$("#market-min").text()}"
        console.log "売気配値 #{$("#market-sell").text()}"
        console.log "買気配値 #{$("#market-buy").text()}"
        console.log "出来高 #{$("#market-sum").text()}"
        ph.exit()