中信银行贷款信息统计

ecitic-user.js

// ==UserScript==
// @name         中信还款
// @namespace    http://tampermonkey.net/
// @version      0.5
// @description  try to take over the world!
// @author       You
// @match        https://i.bank.ecitic.com/perbank6/gotomain.do
// @icon         https://www.google.com/s2/favicons?sz=64&domain=ecitic.com
// @grant        none
// ==/UserScript==

(function () {
  'use strict';
  /**
   * 根据还款计划，扫描到日期超过当前日期即停止
   *
   * 目前统计目标为
   */

  function sleep(seconds = 2) {
    return new Promise((resolve) => {
      setTimeout(resolve, seconds * 1000);
    });
  }

  async function jumpToPage() {
    document.querySelector('#m3_113').click();
    await sleep(5);
    const operationBtn = window.mainframe.document.querySelector(
      '#loanDiv > table > tbody > tr > td.moreThing > button.loanMoreBtn.already'
    );

    operationBtn.click();
    await sleep();
    operationBtn.nextElementSibling.children[2].click();
  }

  async function collectData(initRes) {
    const res = [
      ...window.mainframe.document.querySelector(
        '#listDiv > div.tradingCon > table > tbody'
      ).children
    ].reduce((res, el) => {
      let [, date, moneyWithInterest, money, interest] = [...el.children].map(
        (el) => el.innerText
      );
      money = +money.replace(/,/g, '');
      moneyWithInterest = +moneyWithInterest.replace(/,/g, '');
      interest = +interest.replace(/,/g, '');
      res.monery += money;
      res.moneryWithInterest += moneyWithInterest;
      res.interest += interest;
      return res;
    }, initRes);
    const nextBtn = window.mainframe.document.querySelector(
      'button[name="next"]'
    );
    if (nextBtn.disabled) {
      return res;
    } else {
      nextBtn.click();
      await sleep();
      return await collectData(res);
    }
  }

  async function doSum() {
    const initRes = {
      monery: 0, // 还了多少本金
      moneryWithInterest: 0, // 还了多少本金+利息
      interest: 0, // 还了多少利息
      interestPercentOfTotal: 0
    };
    const res = await collectData(initRes);
    res.interestPercentOfTotal = (
      (res.interest / res.moneryWithInterest) *
      100
    ).toFixed(2);

    window.mainframe.document
      .querySelector('body > div.mine > div > h1')
      .insertAdjacentHTML(
        'afterend',
        `<h2 style="color:red;padding-left: 0;">目前多还利息:${res.interest.toLocaleString()}CNY，共还本息:${res.moneryWithInterest.toLocaleString()}CNY，利息占比${
          res.interestPercentOfTotal
        }%</h2>`
      );
    return res;
  }

  (async function () {
    await jumpToPage();
    await sleep(5);
    await doSum();
  })();
})();