利用 nightmare 取中銀報價

boc_twd_rate.js

var Nightmare = require('nightmare');
var nightmare = Nightmare({ show: true });
nightmare
  .goto('http://www.boc.cn/sourcedb/whpj')
  .select('html body div.wrapper div.BOC_main div.publish div div#DefaultMain.main form#historysearchform div.invest_t table tbody tr td select#pjname', '2895')
  .click('html body div.wrapper div.BOC_main div.publish div div#DefaultMain.main form#historysearchform div.invest_t table tbody tr td input.search_btn')
  .wait(2000)
  .evaluate(function () {
    return document.querySelector('table:first-child tr.odd').innerText;
  })
  .end()
  .then(function (result) {
      console.log(result)
  });