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自动提取 Cookie 并请求竞价数据接口
当前为
// ==UserScript==
// @name 获取竞价数据（shop.48.cn）
// @namespace http://tampermonkey.net/
// @version 0.4
// @description 自动提取 Cookie 并请求竞价数据接口
// @author GPT
// @match https://shop.48.cn/pai/item/*
// @grant none
// @license MIT
// ==/UserScript==
(function () {
'use strict';
// ✅ 获取 URL 中的商品 ID
function getItemIdFromURL() {
const match = window.location.href.match(/item\/(\d+)/);
return match ? match[1] : null;
}
// ✅ 构建 POST 参数
function buildParams(itemId) {
return new URLSearchParams({
id: itemId,
numPerPage: 100,
pageNum: 0,
r: Math.random().toString()
});
}
// ✅ 获取指定 Cookie 值
function getCookie(name) {
const cookies = document.cookie.split("; ");
for (const cookie of cookies) {
const [key, value] = cookie.split("=");
if (key === name) return value;
}
return null;
}
// ✅ 构建 Cookie 请求头
function buildCookieHeader() {
const cookieNames = [
"Hm_lvt_f32737cfa62ed971bb3185792d3204eb",
"route",
".AspNet.ApplicationCookie",
"HMACCOUNT",
"__RequestVerificationToken",
"Hm_lpvt_f32737cfa62ed971bb3185792d3204eb"
];
const cookieMap = {};
cookieNames.forEach(name => {
const value = getCookie(name);
if (value) {
cookieMap[name] = value;
} else {
console.warn(`未找到 cookie: ${name}`);
}
});
if (Object.keys(cookieMap).length === 0) return null;
return Object.entries(cookieMap)
.map(([k, v]) => `${k}=${v}`)
.join("; ");
}
// ✅ 发起 POST 请求
async function fetchBids(params, cookieHeader) {
const response = await fetch("https://shop.48.cn/pai/GetShowBids", {
method: "POST",
headers: {
"Content-Type": "application/x-www-form-urlencoded",
"Cookie": cookieHeader
},
body: params
});
if (!response.ok) {
throw new Error(`请求失败，状态码 ${response.status}`);
}
return await response.json();
}
// 创建按钮
function createFetchButton() {
// 包裹容器
const container = document.createElement("div");
container.id = "bid-fetch-container";
Object.assign(container.style, {
position: "fixed",
top: "80px",
right: "20px",
zIndex: "9999",
display: "flex",
flexDirection: "column",
alignItems: "center",
gap: "8px",
backgroundColor: "white",
padding: "12px",
borderRadius: "10px",
boxShadow: "0 0 10px rgba(0,0,0,0.2)"
});
// 输入框
const input = document.createElement("input");
input.type = "number";
input.id = "positionInput";
input.placeholder = "输入第几位";
input.min = "1";
Object.assign(input.style, {
padding: "6px",
width: "140px",
fontSize: "14px",
borderRadius: "6px",
border: "1px solid #ccc"
});
// 按钮
const btn = document.createElement("button");
btn.innerText = "📥 获取竞价数据";
btn.id = "fetchBidsBtn";
Object.assign(btn.style, {
padding: "10px 16px",
fontSize: "16px",
backgroundColor: "#4CAF50",
color: "white",
border: "none",
borderRadius: "8px",
cursor: "pointer"
});
// 显示框
const output = document.createElement("div");
output.id = "bidAmtOutput";
output.innerText = "等待结果...";
Object.assign(output.style, {
marginTop: "4px",
fontSize: "14px",
color: "#333"
});
// 按钮点击逻辑
btn.addEventListener("click", async () => {
btn.innerText = "⏳ 正在获取...";
btn.disabled = true;
try {
const index = parseInt(input.value.trim());
if (isNaN(index) || index < 1) {
output.innerText = "请输入有效的位置（>=1）";
return;
}
const itemId = getItemIdFromURL();
const params = buildParams(itemId);
const cookieHeader = buildCookieHeader();
if (!cookieHeader) {
output.innerText = "未获取到 cookie";
return;
}
const data = await fetchBids(params, cookieHeader);
const validList = data.list.filter(entry => entry.auction_status === 1);
const target = validList[index - 1];
const bidAmt = target ? target.bid_amt : 0;
output.innerText = `第 ${index} 位出价金额：¥${bidAmt}`;
} catch (err) {
console.error(err);
output.innerText = "请求出错，请查看控制台";
} finally {
btn.innerText = "📥 获取竞价数据";
btn.disabled = false;
}
});
// 添加到容器
container.appendChild(input);
container.appendChild(btn);
container.appendChild(output);
document.body.appendChild(container);
}
// ✅ 主执行函数
async function run() {
const itemId = getItemIdFromURL();
if (!itemId) {
console.warn("未找到商品 ID");
return;
}
const params = buildParams(itemId);
const cookieHeader = buildCookieHeader();
if (!cookieHeader) {
console.error("未能获取必要的 cookie，可能是未登录");
return;
}
try {
const data = await fetchBids(params, cookieHeader);
console.log("竞价数据：", data);
} catch (error) {
console.error("竞价请求失败：", error);
}
}
// 主入口
function init() {
createFetchButton(); // 添加按钮
}
// ✅ 启动脚本
init();
})();