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steam市场 汇率自动转换

steam市场 汇率自动转换, 大部分代码用gpt生成的, 能跑就行

  1. // ==UserScript==
  2. // @name         steam市场 汇率自动转换
  3. // @namespace    http://tampermonkey.net/
  4. // @version      0.1.3
  5. // @description  steam市场 汇率自动转换, 大部分代码用gpt生成的, 能跑就行
  6. // @author       bestcondition.cn
  7. // @match        https://steamcommunity.com/market/listings/*
  8. // @icon         https://www.google.com/s2/favicons?sz=64&domain=steamcommunity.com
  9. // @grant        none
  10. // @license      Apache-2.0
  11. // ==/UserScript==
  12. let ekv = {};
  13. let current_key_str = '';
  14. let cny_str = 'CNY¥'
  15. let input = document.createElement('input');
  16. let div = document.createElement('div');
  17.  
  18. function add_cal_input() {
  19.     // 创建一个浮动的文本输入框
  20.     input.type = 'text';
  21.     input.placeholder = '请输入';
  22.  
  23.     // 从 localStorage 中读取初始值
  24.     const storedValue = localStorage.getItem('myInputValue');
  25.     input.value = storedValue || 'x * 0.85';
  26.  
  27.     // 监听文本框值的改变，并将其持久化到 localStorage 中
  28.     input.addEventListener('input', () => {
  29.         localStorage.setItem('myInputValue', input.value);
  30.     });
  31.     let p = document.createElement('p');
  32.     p.innerText = '手续费后价格计算公式, 其中x为原价';
  33.     div.appendChild(p);
  34.     // 将文本框添加到页面中
  35.     div.appendChild(input);
  36. }
  37.  
  38. function on_change() {
  39.     let market_buyorder_info_details_tablecontainer = document.querySelector("#market_buyorder_info_details_tablecontainer")
  40.     if (market_buyorder_info_details_tablecontainer) {
  41.         market_buyorder_info_details_tablecontainer.style.width = 'auto';
  42.     }
  43.     let td_list = document.querySelectorAll("#market_commodity_buyreqeusts_table > table > tbody > tr > td:nth-child(odd)")
  44.     td_list.forEach((td) => {
  45.         let o_text = td.innerText
  46.         if (!current_key_str) {
  47.             for (let a in ekv) {
  48.                 if (o_text.includes(a)) {
  49.                     current_key_str = a;
  50.                     break;
  51.                 }
  52.             }
  53.         }
  54.         if (o_text.includes(current_key_str) && !o_text.includes(cny_str)) {
  55.             let currency_rate = ekv[current_key_str];
  56.             if (currency_rate && input.value) {
  57.                 let ars_money = extractNumber(o_text)
  58.                 let cn_money = ars_money / currency_rate
  59.                 let x = cn_money
  60.                 let post_cn_money = eval(input.value)
  61.                 let cn_money_str = cn_money.toFixed(2)
  62.                 let post_cn_money_str = post_cn_money.toFixed(2)
  63.                 td.innerText = `${o_text} ( ${cny_str} ${cn_money_str} | ${post_cn_money_str} )`
  64.             }
  65.         }
  66.     })
  67. }
  68.  
  69. function add_table() {
  70.     // 大部分代码用gpt生成的, 能跑就行
  71.     function sync_ekv(data) {
  72.         for (let i = 0; i < data.length; i++) {
  73.             let [key, value] = data[i];
  74.             ekv[key] = value;
  75.         }
  76.     }
  77.  
  78.     // 从 localStorage 中读取数据
  79.     let exchangeRates = JSON.parse(localStorage.getItem('exchangeRates')) || [['CNY', 1.00]];
  80.     sync_ekv(exchangeRates)
  81.     // 创建表格元素
  82.     let table = document.createElement('table');
  83.  
  84.     // 创建表头行
  85.     let thead = document.createElement('thead');
  86.     let tr = document.createElement('tr');
  87.     let th1 = document.createElement('th');
  88.     let th2 = document.createElement('th');
  89.     let th3 = document.createElement('th');
  90.     th1.textContent = '币种';
  91.     th2.textContent = '汇率';
  92.     th3.textContent = '操作';
  93.     tr.appendChild(th1);
  94.     tr.appendChild(th2);
  95.     tr.appendChild(th3);
  96.     thead.appendChild(tr);
  97.     // 创建表格数据行
  98.     let tbody = document.createElement('tbody');
  99.  
  100.     function create_table_data() {
  101.         for (let i = 0; i < exchangeRates.length; i++) {
  102.             let tr = document.createElement('tr');
  103.             let td1 = document.createElement('td');
  104.             let td2 = document.createElement('td');
  105.             let td3 = document.createElement('td');
  106.             td1.textContent = exchangeRates[i][0];
  107.             td2.textContent = exchangeRates[i][1];
  108.             let editButton = document.createElement('button');
  109.             editButton.textContent = '修改';
  110.             editButton.dataset.index = i;
  111.             editButton.addEventListener('click', function (e) {
  112.                 let index = e.target.dataset.index;
  113.                 let currency = exchangeRates[index][0];
  114.                 let rate = exchangeRates[index][1];
  115.                 let newCurrency = prompt('请输入新的币种', currency);
  116.                 let newRate = prompt('请输入新的汇率', rate);
  117.                 if (newCurrency && newRate) {
  118.                     exchangeRates[index] = [newCurrency, parseFloat(newRate)];
  119.                     updateTable();
  120.                     saveExchangeRates();
  121.                 }
  122.             });
  123.             let deleteButton = document.createElement('button');
  124.             deleteButton.textContent = '删除';
  125.             deleteButton.dataset.index = i;
  126.             deleteButton.addEventListener('click', function (e) {
  127.                 let index = e.target.dataset.index;
  128.                 if (confirm('确认删除？')) {
  129.                     exchangeRates.splice(index, 1);
  130.                     updateTable();
  131.                     saveExchangeRates();
  132.                 }
  133.             });
  134.             td3.appendChild(editButton);
  135.             td3.appendChild(deleteButton);
  136.             tr.appendChild(td1);
  137.             tr.appendChild(td2);
  138.             tr.appendChild(td3);
  139.             tbody.appendChild(tr);
  140.         }
  141.     }
  142.  
  143.     create_table_data()
  144.     // 将表头和表格数据添加到表格中
  145.     table.appendChild(thead);
  146.     table.appendChild(tbody);
  147.  
  148.     // 将表格添加到页面中
  149.     div.id = 'exchange-rates';
  150.     div.style.position = 'fixed';
  151.     div.style.top = '0';
  152.     div.style.right = '0';
  153.     div.style.backgroundColor = 'white';
  154.     div.style.border = '1px solid black';
  155.     div.style.padding = '10px';
  156.     div.appendChild(table);
  157.     document.body.appendChild(div);
  158.  
  159.     // 添加“新增”按钮
  160.     let addButton = document.createElement('button');
  161.     addButton.textContent = '新增';
  162.     addButton.addEventListener('click', function () {
  163.         let currency = prompt('请输入币种');
  164.         let rate = prompt('请输入汇率');
  165.         if (currency && rate) {
  166.             exchangeRates.push([currency, parseFloat(rate)]);
  167.             updateTable();
  168.             saveExchangeRates();
  169.         }
  170.     });
  171.     div.appendChild(addButton);
  172.     // 添加拖动功能
  173.     let isDragging = false;
  174.     let currentX;
  175.     let currentY;
  176.     let initialX;
  177.     let initialY;
  178.     let xOffset = 0;
  179.     let yOffset = 0;
  180.  
  181.     div.addEventListener("mousedown", function (e) {
  182.         isDragging = true;
  183.         initialX = e.clientX - xOffset;
  184.         initialY = e.clientY - yOffset;
  185.     });
  186.  
  187.     div.addEventListener("mouseup", function (e) {
  188.         isDragging = false;
  189.     });
  190.  
  191.     div.addEventListener("mousemove", function (e) {
  192.         if (isDragging) {
  193.             e.preventDefault();
  194.             currentX = e.clientX - initialX;
  195.             currentY = e.clientY - initialY;
  196.  
  197.             xOffset = currentX;
  198.             yOffset = currentY;
  199.  
  200.             div.style.transform = "translate(" + currentX + "px, " + currentY + "px)";
  201.         }
  202.     });
  203.  
  204.     // 更新表格数据
  205.     function updateTable() {
  206.         tbody.innerHTML = '';
  207.         for (let i = 0; i < exchangeRates.length; i++) {
  208.             let tr = document.createElement('tr');
  209.             let td1 = document.createElement('td');
  210.             let td2 = document.createElement('td');
  211.             let td3 = document.createElement('td');
  212.             td1.textContent = exchangeRates[i][0];
  213.             td2.textContent = exchangeRates[i][1];
  214.             let editButton = document.createElement('button');
  215.             editButton.textContent = '修改';
  216.             editButton.dataset.index = i;
  217.             editButton.addEventListener('click', function (e) {
  218.                 let index = e.target.dataset.index;
  219.                 let currency = exchangeRates[index][0];
  220.                 let rate = exchangeRates[index][1];
  221.                 let newCurrency = prompt('请输入新的币种', currency);
  222.                 let newRate = prompt('请输入新的汇率', rate);
  223.                 if (newCurrency && newRate) {
  224.                     exchangeRates[index] = [newCurrency, parseFloat(newRate)];
  225.                     updateTable();
  226.                     saveExchangeRates();
  227.                 }
  228.             });
  229.             let deleteButton = document.createElement('button');
  230.             deleteButton.textContent = '删除';
  231.             deleteButton.dataset.index = i;
  232.             deleteButton.addEventListener('click', function (e) {
  233.                 let index = e.target.dataset.index;
  234.                 if (confirm('确认删除？')) {
  235.                     exchangeRates.splice(index, 1);
  236.                     updateTable();
  237.                     saveExchangeRates();
  238.                 }
  239.             });
  240.             td3.appendChild(editButton);
  241.             td3.appendChild(deleteButton);
  242.             tr.appendChild(td1);
  243.             tr.appendChild(td2);
  244.             tr.appendChild(td3);
  245.             tbody.appendChild(tr);
  246.         }
  247.     }
  248.  
  249.     // 将数据保存到 localStorage 中
  250.     function saveExchangeRates() {
  251.         localStorage.setItem('exchangeRates', JSON.stringify(exchangeRates));
  252.         // 同步内存数据
  253.         sync_ekv(exchangeRates);
  254.         // 修改也要即时改变
  255.         on_change();
  256.     }
  257.     add_cal_input();
  258. }
  259.  
  260. function extractNumber(str) {
  261.     // 将字符串中的所有非数字字符替换为空格
  262.     let numStr = str.replace(/[^\d,]/g, ' ');
  263.  
  264.     // 将逗号替换为小数点
  265.     numStr = numStr.replace(/,/g, '.');
  266.  
  267.     // 将字符串拆分成数字数组
  268.     let numArr = numStr.trim().split(' ');
  269.  
  270.     // 将最后一个数字前面的空格替换为空字符串
  271.     let lastNumIndex = numArr.length - 1;
  272.     numArr[lastNumIndex] = numArr[lastNumIndex].replace(/^\s+/, '');
  273.  
  274.     // 将数字数组转换为浮点数
  275.     return parseFloat(numArr.join(''));
  276. }
  277.  
  278.  
  279. function observe_table() {
  280.     // 选择要观察的目标节点
  281.     let targetNode = document.querySelector('#market_commodity_buyreqeusts_table');
  282.  
  283.     // 创建一个观察器实例并定义回调函数
  284.     let observer = new MutationObserver(function (mutations) {
  285.         mutations.forEach(function (mutation) {
  286.             //console.log('Mutation type: ' + mutation.type);
  287.             //console.log('Changed node: ' + mutation.target);
  288.             on_change();
  289.         });
  290.     });
  291.  
  292.     // 配置观察选项
  293.     let config = {attributes: true, childList: true, subtree: true};
  294.     on_change();
  295.     // 传入目标节点和观察选项
  296.     observer.observe(targetNode, config);
  297.  
  298.     // 停止观察
  299.     //observer.disconnect();
  300.  
  301. }
  302.  
  303. (function () {
  304.     'use strict';
  305.     // 添加汇率展示表格
  306.     add_table();
  307.     // 先默认转换一次
  308.     on_change();
  309.     // 监控steam表格变化
  310.     observe_table();
  311.     // Your code here...
  312. })();

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