在微博转发键之前添加抽奖按钮，加载转发用户并随机抽奖，允许多次抽奖不重复
// ==UserScript==
// @name 破产版微博抽奖小助手
// @version 0.1
// @description 在微博转发键之前添加抽奖按钮，加载转发用户并随机抽奖，允许多次抽奖不重复
// @author ✌
// @license MIT
// @match https://weibo.com/*/*
// @namespace https://greasyfork.org/users/1384897
// ==/UserScript==
(function() {
'use strict';
setTimeout(function() {
var retweet_button = document.querySelector(".toolbar_retweet_1L_U5");
if (!retweet_button) {
console.error("未找到转发按钮，请检查选择器是否正确！");
return;
}
var lottery_button = document.createElement("div");
lottery_button.className = "woo-box-flex woo-box-alignCenter woo-box-justifyCenter toolbar_lottery_1ky_D toolbar_wrap_np6Ug toolbar_cursor_34j5V";
lottery_button.innerHTML = `
<span class="toolbar_num_JXZul">抽奖</span>
`;
var parentContainer = retweet_button.parentNode.parentNode;
parentContainer.insertBefore(lottery_button, retweet_button.parentNode);
parentContainer.style.display = "flex";
parentContainer.style.flexWrap = "nowrap";
parentContainer.style.justifyContent = "space-around";
var documentData = {
ready_shuffle: false,
users: {},
winners: new Set()
};
function get_post() {
var post_id = document.URL.split(/[#,/?]/g)[4];
if (!post_id) {
alert("无法获取帖子 ID，请确保在正确的微博帖子页面！");
return;
}
return fetch(`https://weibo.com/ajax/statuses/show?id=${post_id}`)
.then(response => response.json());
}
function get_next_page(arg_data) {
if (arg_data.page <= arg_data.max_page || arg_data.page === 1) {
return fetch(`https://weibo.com/ajax/statuses/repostTimeline?id=${arg_data.id}&page=${arg_data.page}&count=20`)
.then(response => response.json())
.then(data => {
data.data.forEach(user => {
arg_data.users[user.user.id] = {
name: user.user.screen_name,
time: new Date(user.created_at)
};
});
arg_data.page++;
arg_data.max_page = data.max_page || arg_data.page;
})
.then(() => get_next_page(arg_data));
} else {
return arg_data.users;
}
}
function load_users() {
if (documentData.ready_shuffle) {
alert("用户列表已经加载完成！");
return;
}
alert("正在加载转发用户，请稍等...");
get_post()
.then(post_data => {
return {
id: post_data.id,
page: 1,
max_page: -1,
users: {}
};
})
.then(arg_data => get_next_page(arg_data))
.then(users => {
documentData.ready_shuffle = true;
documentData.users = users;
alert(`加载完成，共 ${Object.keys(users).length} 个转发用户！`);
})
.catch(error => {
console.error("加载用户出错：", error);
alert("加载用户失败，请重试！");
});
}
function formatDateToLocalString(date) {
const year = date.getFullYear();
const month = String(date.getMonth() + 1).padStart(2, '0');
const day = String(date.getDate()).padStart(2, '0');
const hours = String(date.getHours()).padStart(2, '0');
const minutes = String(date.getMinutes()).padStart(2, '0');
const seconds = String(date.getSeconds()).padStart(2, '0');
return `${year}-${month}-${day} ${hours}:${minutes}:${seconds}`;
}
function shuffleArray(array) {
for (let i = array.length - 1; i > 0; i--) {
const j = Math.floor(Math.random() * (i + 1));
[array[i], array[j]] = [array[j], array[i]];
}
}
function draw_award() {
if (!documentData.ready_shuffle) {
alert("请先加载用户列表！");
return;
}
var now = new Date();
now.setHours(now.getHours() + 8);
var default_date = now.toISOString().slice(0, 19).replace('T', ' ');
var cutoff_date_input = prompt("请输入抽奖截止时间（格式：2024-12-05 23:59:59）：", default_date);
if (cutoff_date_input === null) {
return;
}
var cutoff_date = new Date(cutoff_date_input);
if (isNaN(cutoff_date)) {
alert("无效的时间格式，请重新输入！");
return;
}
var count_input = prompt("请输入抽奖人数：", "1");
if (count_input === null) {
return;
}
var count = parseInt(count_input);
if (isNaN(count) || count <= 0) {
alert("无效的抽奖人数，请重新输入！");
return;
}
var users = Object.keys(documentData.users).filter(uid => {
return (
documentData.users[uid].time < cutoff_date &&
!documentData.winners.has(uid)
);
});
if (users.length === 0) {
alert("没有符合条件的用户！");
return;
}
if (users.length < count) {
alert(`符合条件的用户只有 ${users.length} 人，无法抽取 ${count} 个中奖者！`);
count = users.length;
}
shuffleArray(users);
var winners = users.slice(0, count);
var result = `共 ${count} 名中奖者：\n\n`;
winners.forEach((uid, index) => {
var user = documentData.users[uid];
documentData.winners.add(uid);
result += `第 ${index + 1} 位中奖者：\n`;
result += `微博 ID: ${uid}\n`;
result += `昵称: ${user.name}\n`;
result += `转发时间: ${formatDateToLocalString(user.time)}\n\n`;
});
displayResultInCenter(result, winners);
console.log("抽奖结果：", result);
}
function displayResultInCenter(result, winners) {
var resultDiv = document.createElement("div");
resultDiv.style.position = "fixed";
resultDiv.style.top = "50%";
resultDiv.style.left = "50%";
resultDiv.style.transform = "translate(-50%, -50%)";
resultDiv.style.backgroundColor = "#ffffff";
resultDiv.style.border = "1px solid #ccc";
resultDiv.style.borderRadius = "10px";
resultDiv.style.padding = "20px";
resultDiv.style.zIndex = 10000;
resultDiv.style.width = "450px";
resultDiv.style.maxHeight = "80%";
resultDiv.style.overflowY = "auto";
resultDiv.style.boxShadow = "0 8px 15px rgba(0, 0, 0, 0.2)";
resultDiv.style.fontFamily = "Arial, sans-serif";
resultDiv.style.textAlign = "center";
var mentions = winners.map(uid => `@${documentData.users[uid].name}`).join(" ");
resultDiv.innerHTML = `
<h3 style="margin: 0 0 15px; font-size: 24px; color: #333;">🎉 抽奖结果 🎉</h3>
<pre style="text-align: left; font-size: 16px; line-height: 1.5; color: #555; background-color: #f9f9f9; border: 1px solid #eee; padding: 10px; border-radius: 5px; overflow-x: auto;">${result}</pre>
<div style="margin-top: 10px; font-size: 16px; color: #333; text-align: left;">
<strong>艾特中奖人：</strong><br>
${mentions}
</div>
<button id="closeResult" style="
margin-top: 15px;
padding: 10px 20px;
background: linear-gradient(45deg, #6ab7ff, #4caf50);
color: #fff;
font-size: 16px;
font-weight: bold;
border: none;
border-radius: 5px;
cursor: pointer;
box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
transition: all 0.3s ease;
">关闭</button>
`;
document.body.appendChild(resultDiv);
var closeButton = document.getElementById("closeResult");
closeButton.addEventListener("mouseover", function () {
closeButton.style.background = "linear-gradient(45deg, #4caf50, #6ab7ff)";
closeButton.style.boxShadow = "0 6px 12px rgba(0, 0, 0, 0.3)";
});
closeButton.addEventListener("mouseout", function () {
closeButton.style.background = "linear-gradient(45deg, #6ab7ff, #4caf50)";
closeButton.style.boxShadow = "0 4px 8px rgba(0, 0, 0, 0.2)";
});
closeButton.addEventListener("click", function () {
document.body.removeChild(resultDiv);
});
}
lottery_button.addEventListener('click', function() {
if (!documentData.ready_shuffle) {
load_users();
} else {
draw_award();
}
});
console.log("抽奖按钮已成功添加！");
}, 1000);
})();