Automated Taobao flash buying script with scheduled purchasing, price range targeting, aggressive refresh window, automated checkout and order submission. Features dry run mode for safe testing.
// ==UserScript==
// @name Taobao Auto Buyer (v2.1 - Refresh Window)
// @name:zh-CN 淘宝自动抢购脚本 (v2.1 - 刷新窗口版)
// @namespace http://tampermonkey.net/
// @version 2.1
// @description Automated Taobao flash buying script with scheduled purchasing, price range targeting, aggressive refresh window, automated checkout and order submission. Features dry run mode for safe testing.
// @description:zh-CN 淘宝自动抢购脚本，支持定时购买、价格区间筛选、激进刷新窗口、自动结算和订单提交。包含安全测试模式，专为秒杀活动优化。
// @author dexhunter
// @license MIT
// @match *://cart.taobao.com/cart.htm*
// @match *://buy.taobao.com/auction/order/confirm_order.htm*
// @grant none
// ==/UserScript==
(function () {
"use strict";
(() => {
// ===================== CONFIG =====================
const MIN = 2000;
const MAX = 6000;
const TARGET_TIME = "20:00:00"; // HH:MM:SS local time to start the buying window
const BUYING_WINDOW_SECONDS = 5; // NEW: How long to aggressively refresh and check.
const START_IN_MS = null; // Overrides TARGET_TIME for quick testing (e.g., 5000 for 5s)
const START_EARLY_MS = 10_000; // How early to "wake up" before the target time
const DRY_RUN = false; // Set to true for testing. Never clicks checkout/submit.
const AUTO_CHECKOUT = true;
const AUTO_SUBMIT = true;
// ===================== SELECTORS =====================
const ROW_SELECTOR = "[class*='cartItemInfoContainer']";
const PRICE_INT = "span.trade-price-integer";
const ANT_WRAP = "label.ant-checkbox-wrapper";
const ANT_INPUT = "input.ant-checkbox-input";
const CHECKOUT_CANDIDATES = ["[class*='btn--']", "button", "div", "a"];
const ORDER_SUBMIT_MATCH_TEXT = /提交订单/;
const ORDER_SUBMIT_CANDIDATES = ["[class*='btn--']", "div", "button", "a"];
// ===================== UTILS =====================
const sleep = (ms) => new Promise((r) => setTimeout(r, ms));
const num = (t) => {
if (!t) return NaN;
const x = (t + "").replace(/[,，\s￥¥]/g, "").replace(/[^0-9.]/g, "");
return Number.isFinite(Number(x)) ? Number(x) : NaN;
};
const isClickable = (el) => {
if (!el) return false;
const s = getComputedStyle(el);
if (s.display === "none" || s.visibility === "hidden" || s.opacity === "0" || s.pointerEvents === 'none') return false;
const rect = el.getBoundingClientRect();
return rect.width > 0 && rect.height > 0;
};
const findByText = (candidates, re) => {
for (const sel of candidates) {
for (const el of document.querySelectorAll(sel)) {
if (re.test((el.textContent || "").trim())) return el;
}
}
return null;
};
const forceClick = (element) => {
if (!element) return;
const dispatchMouseEvent = (type) => {
element.dispatchEvent(new MouseEvent(type, { view: window, bubbles: true, cancelable: true }));
};
console.log("[auto-buyer] Executing force click on:", element);
dispatchMouseEvent('mousedown');
dispatchMouseEvent('mouseup');
dispatchMouseEvent('click');
};
// ===================== LOGIC FOR CART PAGE =====================
async function attemptFromCart() {
console.log(`[auto-buyer] Checking for items in price range...`);
const rows = Array.from(document.querySelectorAll(ROW_SELECTOR));
if (!rows.length) return { progressed: false };
// First, deselect all items to ensure a clean slate.
for (const row of rows) {
const input = row.querySelector(ANT_INPUT);
if (input && input.checked) {
const wrapper = row.querySelector(ANT_WRAP);
if (wrapper && !DRY_RUN) wrapper.click();
await sleep(50); // Small pause between clicks
}
}
// Now, find and select the target item.
let itemFound = false;
for (const row of rows) {
const p = num(row.querySelector(PRICE_INT)?.textContent);
if (Number.isFinite(p) && p > MIN && p < MAX) {
console.log(`[auto-buyer] SUCCESS: Found item in price range (Price: ${p})`);
itemFound = true;
row.style.outline = "3px solid limegreen";
const wrapper = row.querySelector(ANT_WRAP);
if (wrapper && !DRY_RUN) {
wrapper.click();
await sleep(150); // Wait for price to recalculate
}
break; // Stop after finding the first one
}
}
if (!itemFound) {
console.log(`[auto-buyer] No item found in price range.`);
return { progressed: false };
}
if (DRY_RUN || !AUTO_CHECKOUT) {
console.log("[auto-buyer] DRY RUN: Would have clicked checkout.");
return { progressed: false }; // Don't proceed, but don't refresh either.
}
const checkoutBtn = findByText(CHECKOUT_CANDIDATES, /结算/);
if (!isClickable(checkoutBtn)) {
console.warn("[auto-buyer] Checkout button not ready, will retry/refresh.");
return { progressed: false };
}
console.log("[auto-buyer] Item selected. Clicking checkout button!");
checkoutBtn.click();
return { progressed: true };
}
async function aggressiveRefreshLoop(deadline) {
console.log(`[auto-buyer] Entering refresh loop. Window ends at ${new Date(deadline).toLocaleString()}`);
const result = await attemptFromCart();
if (result.progressed) {
console.log("[auto-buyer] Checkout initiated. Exiting loop.");
sessionStorage.removeItem('buyWindowEndTime');
return;
}
if (Date.now() < deadline) {
console.log("[auto-buyer] Item not ready. Refreshing page to try again...");
// Wait a very short, slightly random time before reloading
await sleep(300 + Math.random() * 200);
location.reload();
} else {
console.log(`[auto-buyer] ${BUYING_WINDOW_SECONDS}-second window has expired. Forfeiting attempt.`);
sessionStorage.removeItem('buyWindowEndTime');
}
}
async function scheduleCartChecker() {
let target;
if (START_IN_MS != null) {
target = new Date(Date.now() + START_IN_MS);
console.log(`[auto-buyer] Test run scheduled in ${START_IN_MS / 1000}s`);
} else {
const [hh, mm, ss] = TARGET_TIME.split(":").map(Number);
target = new Date();
target.setHours(hh, mm, ss || 0, 0);
if (target <= new Date()) target.setDate(target.getDate() + 1);
console.log(`[auto-buyer] Scheduled for ${target.toLocaleString()}`);
}
const msUntilTarget = target - new Date();
if (msUntilTarget > START_EARLY_MS) {
console.log("[auto-buyer] Sleeping until the ramp-up window.");
await sleep(msUntilTarget - START_EARLY_MS);
}
console.log("[auto-buyer] Ramping up...");
while (new Date() < target) await sleep(50);
console.log("[auto-buyer] TARGET REACHED — starting aggressive refresh loop.");
const deadline = Date.now() + (BUYING_WINDOW_SECONDS * 1000);
sessionStorage.setItem('buyWindowEndTime', deadline);
aggressiveRefreshLoop(deadline);
}
// ===================== LOGIC FOR CONFIRMATION PAGE =====================
function handleConfirmPage() {
console.log("[auto-buyer] Confirmation page logic activated. Waiting for submit button...");
if (DRY_RUN || !AUTO_SUBMIT) {
console.log("[auto-buyer] DRY RUN: Would have clicked submit order.");
return;
}
let clickAttempted = false;
const TIMEOUT_MS = 15000;
const findAndClick = () => {
if (clickAttempted) return;
const submitBtn = findByText(ORDER_SUBMIT_CANDIDATES, ORDER_SUBMIT_MATCH_TEXT);
if (isClickable(submitBtn)) {
clickAttempted = true;
console.log("[auto-buyer] Submit button is ready! Forcing click now.");
forceClick(submitBtn);
if (observer) observer.disconnect();
if (timeoutId) clearTimeout(timeoutId);
}
};
const observer = new MutationObserver(findAndClick);
observer.observe(document.body, { childList: true, subtree: true });
const timeoutId = setTimeout(() => {
observer.disconnect();
if (!clickAttempted) console.error(`[auto-buyer] FAILED: Submit button not found within ${TIMEOUT_MS / 1000}s.`);
}, TIMEOUT_MS);
findAndClick(); // Initial check
}
// ===================== BOOTSTRAPPER =====================
function main() {
console.log("[auto-buyer] Script loaded on:", location.href);
if (location.pathname.includes("cart.htm")) {
const windowEnd = sessionStorage.getItem('buyWindowEndTime');
if (windowEnd && Date.now() < parseInt(windowEnd)) {
// A refresh happened, we are inside the buying window.
aggressiveRefreshLoop(parseInt(windowEnd));
} else {
// We are outside the window, schedule for the next time.
sessionStorage.removeItem('buyWindowEndTime');
scheduleCartChecker();
}
} else if (location.pathname.includes("confirm_order.htm")) {
handleConfirmPage();
}
}
main();
})();
})();