Coupons

coupon.user.js

// ==UserScript==
// @name         找券
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        http*://item.taobao.com/item.htm*
// @match        http*://detail.tmall.com/item.htm*
// @require      https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js
// @grant        GM_xmlhttpRequest
// @resource      *://127.0.0.1:8000/*
// @resource      *://coupon.me5.us/*

// ==/UserScript==

(function() {
    'use strict';
    var url = new URL(window.location.href);
    var iid = url.searchParams.get("id");
    var get_domain="http://coupon.me5.us/";

    GM_xmlhttpRequest({
        method: "GET",
        url: get_domain + "coupon/q/" + iid,
        onload: function(res) {
            var dat = JSON.parse(res.responseText);
            if (+dat.success == 1){
                append_coupon(dat);
            }
        }
    });

    var append_coupon = function(dat){
        var newnode = document.createElement("a");
        newnode.text = "有" + dat.coupon + "优惠券,点击领取";
        newnode.setAttribute("href", dat.coupon_url);
        newnode.setAttribute("target", "_blank");
        newnode.setAttribute("style", "position: fixed; font-size:50px; z-index:999999999; top:200px; left:200px; background-color:cyan");
        newnode.onclick = function(event) {
            newnode.setAttribute("style", "display: none;");
        };
        document.body.insertBefore(newnode, document.body.firstChild);
    };
})();