consumeprod.js

// ==UserScript==
// @name       增加跳到收银台的链接.
// @version    0.1
// @match      http://consumeprod.stable.alipay.net/*
// @copyright  2013+, 云谦
// ==/UserScript==


var els = document.querySelectorAll("p.consume-title a");
for (var i=0; i<els.length; i++) {
  var el = els[i];
  var tradeNo = el.href.split("tradeNo=")[1];
  var newEl = document.createElement("a")
  newEl.href = "http://cashier.stable.alipay.net/preprocess/trade/tradePreprocessGw.htm?tradeNo=" + tradeNo;
  newEl.innerHTML = "付款";
  newEl.style.color = "red";
  newEl.target = "_blank";
  el.parentNode.appendChild(newEl);
}