// ==UserScript==
// @name YouTuBe LIVE lottery
// @namespace https://space.bilibili.com/50001745
// @version 0.0.11
// @description For AK
// @author fwz233
// @icon https://www.google.com/s2/favicons?sz=64&domain=YouTube.com
// @match *://*.youtube.com/*
// @grant GM_addElement
// @grant GM_setClipboard
// @grant unsafeWindow
// @license MIT
// ==/UserScript==
(function() {
'use strict';
// 全局变量，用于存储倒计时状态
let countdownInterval = null;
let remainingTime = 0;
let countdownActive = false;
// 定义一个函数，用于创建并插入按钮
function insertLotteryButton() {
// 检查按钮是否已经存在，避免重复添加
if (document.getElementById('lottery-button')) {
//console.log('按钮已存在。');
}else{
var targetButton = document.querySelector('yt-dropdown-menu.style-scope.yt-sort-filter-sub-menu-renderer.has-items');
if (targetButton) {
// 创建新的“抽奖”按钮
var newButton = document.createElement('button');
newButton.textContent = countdownActive ? '倒计时 ' + remainingTime + ' 秒' : '抽奖';
newButton.id = 'lottery-button'; // 给按钮添加ID，便于样式控制
// 设置按钮的初始样式
newButton.style.marginLeft = '10px'; // 调整按钮间距
newButton.style.border = 'none'; // 去除边框
newButton.style.background = 'none'; // 去除背景
newButton.style.padding = '0'; // 去除内边距
newButton.style.cursor = 'pointer'; // 鼠标悬停时显示手型指针
newButton.style.color = 'inherit'; // 继承父元素的字体颜色
newButton.style.fontSize = 'inherit'; // 继承字体大小
// 添加点击事件监听器
newButton.addEventListener('click', function() {
if (countdownActive) {
// 倒计时进行中，弹出终止对话框
showTerminateDialog();
} else {
// 未在倒计时，显示自定义对话框
showCustomDialog();
}
});
// 将新按钮插入到目标按钮的右侧
targetButton.parentNode.insertBefore(newButton, targetButton.nextSibling);
// 查找目标按钮（根据aria-label属性）
}
}
if (document.querySelector('.lottery-button-info')) {
//console.log('按钮已存在。');
}else{
//More options
var targetButton1 = document.querySelector('.style-scope yt-live-chat-header-renderer');
if (targetButton1) {
var newMessage = document.createElement('yt-live-chat-text-message-renderer');
newMessage.className = 'lottery-button-info';
// 创建一个新的 div 容器
var containerDiv = document.createElement('div');
containerDiv.style.display = 'inline-block'; // 设置样式，根据需要调整
containerDiv.style.marginLeft = '10px'; // 设置左边距，根据需要调整
// 将 newMessage 放入 div 容器中
containerDiv.appendChild(newMessage);
// 将 div 容器插入到目标按钮的右边
targetButton1.parentNode.insertBefore(containerDiv, targetButton1.nextSibling);
// 调用系统消息函数
addSystemMessage('', '', '');
}
}
}
// 创建并显示自定义对话框
function showCustomDialog() {
// 创建遮罩层
var overlay = document.createElement('div');
overlay.id = 'custom-dialog-overlay';
overlay.style.position = 'fixed';
overlay.style.top = '0';
overlay.style.left = '0';
overlay.style.width = '100%';
overlay.style.height = '100%';
overlay.style.backgroundColor = 'rgba(0, 0, 0, 0.5)';
overlay.style.zIndex = '9999';
// 创建对话框容器
var dialog = document.createElement('div');
dialog.id = 'custom-dialog';
dialog.style.position = 'fixed';
dialog.style.top = '50%';
dialog.style.left = '50%';
dialog.style.transform = 'translate(-50%, -50%)';
dialog.style.backgroundColor = '#fff';
dialog.style.padding = '20px';
dialog.style.borderRadius = '8px';
dialog.style.boxShadow = '0 2px 10px rgba(0,0,0,0.3)';
dialog.style.zIndex = '10000';
dialog.style.maxWidth = '300px';
dialog.style.width = '80%';
// 创建第一个选项：会员类型
var memberLabel = document.createElement('label');
memberLabel.textContent = '选择会员类型：';
memberLabel.style.display = 'block';
memberLabel.style.marginBottom = '5px';
var memberSelect = document.createElement('select');
var optionAll = document.createElement('option');
optionAll.value = 'all';
optionAll.textContent = '所有会员';
var optionPremium = document.createElement('option');
optionPremium.value = 'premium';
optionPremium.textContent = '仅完全体会员';
memberSelect.appendChild(optionAll);
memberSelect.appendChild(optionPremium);
memberSelect.style.width = '100%';
memberSelect.style.marginBottom = '15px';
// 创建第二个选项：时间
var timeLabel = document.createElement('label');
timeLabel.textContent = '选择时间：';
timeLabel.style.display = 'block';
timeLabel.style.marginBottom = '5px';
var timeSelect = document.createElement('select');
var option1Min = document.createElement('option');
option1Min.value = '1';
option1Min.textContent = '1分钟';
// var option5Min = document.createElement('option');
// option5Min.value = '5';
// option5Min.textContent = '5分钟';
var optionCustom = document.createElement('option');
optionCustom.value = 'custom';
optionCustom.textContent = '自定义（秒）';
timeSelect.appendChild(option1Min);
// timeSelect.appendChild(option5Min);
timeSelect.appendChild(optionCustom);
timeSelect.style.width = '100%';
timeSelect.style.marginBottom = '15px';
// 创建自定义时间输入框
var customTimeInput = document.createElement('input');
customTimeInput.type = 'number';
customTimeInput.placeholder = '请输入秒数';
customTimeInput.style.width = '36%';
customTimeInput.style.marginBottom = '15px';
customTimeInput.style.display = 'none'; // 初始状态隐藏
// 当选择“自定义（秒）”时，显示输入框
timeSelect.addEventListener('change', function() {
if (timeSelect.value === 'custom') {
customTimeInput.style.display = 'block';
} else {
customTimeInput.style.display = 'none';
}
});
// 创建确认和取消按钮
var buttonContainer = document.createElement('div');
buttonContainer.style.marginTop = '20px';
buttonContainer.style.textAlign = 'right';
var confirmButton = document.createElement('button');
confirmButton.textContent = '确定';
confirmButton.style.marginRight = '10px';
var cancelButton = document.createElement('button');
cancelButton.textContent = '取消';
// 添加事件监听器
confirmButton.addEventListener('click', function() {
var memberType = memberSelect.value;
var timeDuration = timeSelect.value;
if (timeDuration === 'custom') {
// 自定义时间（秒）
var seconds = parseInt(customTimeInput.value, 10);
if (isNaN(seconds) || seconds <= 0) {
alert('请输入有效的秒数！');
return;
}
timeDuration = seconds;
} else {
// 将分钟转换为秒
timeDuration = parseInt(timeDuration, 10) * 60;
}
// 在这里执行您的逻辑，例如发送请求或更新页面
var memberText = memberType === 'all' ? '所有会员' : '仅完全体会员';
console.log('您选择了：' + memberText + '，时间：' + timeDuration + '秒');
//getMemberMessages(timeDuration*60);
document.body.removeChild(overlay);
document.body.removeChild(dialog);
// 开始倒计时
startCountdown(timeDuration, memberType);
});
cancelButton.addEventListener('click', function() {
document.body.removeChild(overlay);
document.body.removeChild(dialog);
});
// 组装对话框内容
dialog.appendChild(memberLabel);
dialog.appendChild(memberSelect);
dialog.appendChild(timeLabel);
dialog.appendChild(timeSelect);
dialog.appendChild(customTimeInput);
dialog.appendChild(buttonContainer);
buttonContainer.appendChild(confirmButton);
buttonContainer.appendChild(cancelButton);
// 将遮罩层和对话框添加到页面
document.body.appendChild(overlay);
document.body.appendChild(dialog);
}
// 显示终止倒计时的对话框
function showTerminateDialog() {
// 创建遮罩层
var overlay = document.createElement('div');
overlay.id = 'terminate-dialog-overlay';
overlay.style.position = 'fixed';
overlay.style.top = '0';
overlay.style.left = '0';
overlay.style.width = '100%';
overlay.style.height = '100%';
overlay.style.backgroundColor = 'rgba(0, 0, 0, 0.5)';
overlay.style.zIndex = '9999';
// 创建对话框容器
var dialog = document.createElement('div');
dialog.id = 'terminate-dialog';
dialog.style.position = 'fixed';
dialog.style.top = '50%';
dialog.style.left = '50%';
dialog.style.transform = 'translate(-50%, -50%)';
dialog.style.backgroundColor = '#fff';
dialog.style.padding = '20px';
dialog.style.borderRadius = '8px';
dialog.style.boxShadow = '0 2px 10px rgba(0,0,0,0.3)';
dialog.style.zIndex = '10000';
dialog.style.maxWidth = '300px';
dialog.style.width = '80%';
dialog.style.textAlign = 'center';
// 显示提示信息
var messageText = document.createElement('p');
messageText.textContent = '倒计时进行中，是否终止？';
dialog.appendChild(messageText);
// 创建确认和取消按钮
var buttonContainer = document.createElement('div');
buttonContainer.style.marginTop = '20px';
buttonContainer.style.textAlign = 'center';
var confirmButton = document.createElement('button');
confirmButton.textContent = '终止';
confirmButton.style.marginRight = '10px';
var cancelButton = document.createElement('button');
cancelButton.textContent = '取消';
// 添加事件监听器
confirmButton.addEventListener('click', function() {
// 终止倒计时
clearInterval(countdownInterval);
countdownActive = false;
remainingTime = 0;
// 重置按钮文本
var button = document.getElementById('lottery-button');
if (button) {
button.textContent = '抽奖';
}
addSystemMessage('','','')
document.body.removeChild(overlay);
document.body.removeChild(dialog);
});
cancelButton.addEventListener('click', function() {
document.body.removeChild(overlay);
document.body.removeChild(dialog);
});
buttonContainer.appendChild(confirmButton);
buttonContainer.appendChild(cancelButton);
dialog.appendChild(buttonContainer);
// 将遮罩层和对话框添加到页面
document.body.appendChild(overlay);
document.body.appendChild(dialog);
}
/**
* 发送一条自定义的聊天消息到聊天列表。
* @param {string} avatarUrl - 头像图片的URL。
* @param {string} authorName - 消息发送者的名称。
* @param {string} messageContent - 消息的内容。
*/
function addSystemMessage(avatarUrl, authorName, messageContent) {
var infoButton = document.querySelector('.lottery-button-info');
//infoButton.style.height = '25px';
const messageSpan = infoButton.querySelector('span#message');
if (messageSpan) {
// 设置你想要的新文本内容
messageSpan.textContent = messageContent;
// 如果需要，可以在这里添加更多逻辑，例如更改样式等
messageSpan.style.whiteSpace = 'nowrap';
// 处理文本溢出，例如添加省略号
messageSpan.style.overflow = 'hidden';
messageSpan.style.textOverflow = 'ellipsis';
messageSpan.style.fontSize = '12px';
// messageSpan.style.maxWidth = '300px';
}
// 修改作者名称
const authorNameSpan = infoButton.querySelector('span#author-name');
if (authorNameSpan) {
// 设置你想要的新作者名称
authorNameSpan.textContent = authorName;
authorNameSpan.style.fontSize = '15px';
// 你可以根据需要进一步修改样式或添加其他逻辑
}
const imgElement = infoButton.querySelector('img#img');
if (imgElement) {
// 设置你想要的新头像URL
imgElement.src = avatarUrl;
//infoButton.style.height = '20px';
}
}
// 计算字符串的 CRC32 值并以十六进制形式返回
function crc32(str) {
// 预生成 CRC 表
const crcTable = [];
for (let i = 0; i < 256; i++) {
let c = i;
for (let j = 0; j < 8; j++) {
c = (c & 1) ? (0xEDB88320 ^ (c >>> 1)) : (c >>> 1);
}
crcTable[i] = c;
}
let crc = 0 ^ (-1);
for (let i = 0; i < str.length; i++) {
crc = (crc >>> 8) ^ crcTable[(crc ^ str.charCodeAt(i)) & 0xFF];
}
crc = crc ^ (-1);
// 返回十六进制字符串（也可以返回十进制，根据实际需求决定）
return (crc >>> 0).toString(16).toUpperCase();
}
unsafeWindow.crc32 = crc32;
// 在 showResultInChat 函数中，计算 userKey 的 CRC32
function showResultInChat(totalMessages, totalUsers, randomUserInfo) {
// 对 userKey 进行 CRC32 运算
const userKeyCRC32 = crc32(randomUserInfo.avatar);
// 构建中奖消息
var resultMessage = `恭喜这个B获得本次抽奖！请在会员群中私聊@fwz233兑奖。防伪验证:`+userKeyCRC32;
// 在聊天列表中添加中奖消息
addSystemMessage(
randomUserInfo.avatar,
randomUserInfo.username,
resultMessage
);
// 如果需要显示更多信息，可以取消注释以下内容
/*
addSystemMessage(
'https://yt3.googleusercontent.com/TsQ7k_W0ZBiYUxilCjRfdGTXZXdyttFcUTtu7DQ25LF5SrXGyixlZLK5Z9fjroZgJBQxqoWF=s160-c-k-c0x00ffffff-no-rj',
'233',
`总消息数：${totalMessages}，参与人数：${totalUsers}`
);
*/
}
// 创建并显示没有找到消息的提示（在聊天列表中）
function showNoMessagesInChat() {
addSystemMessage('https://yt3.googleusercontent.com/TsQ7k_W0ZBiYUxilCjRfdGTXZXdyttFcUTtu7DQ25LF5SrXGyixlZLK5Z9fjroZgJBQxqoWF=s160-c-k-c0x00ffffff-no-rj','AK‘s Tech Studio',
'这段时间内没有会员发言');
}
// 创建并显示抽奖结果对话框
function showResultDialog(totalMessages, totalUsers, randomUserInfo) {
// 创建遮罩层
var overlay = document.createElement('div');
overlay.id = 'result-dialog-overlay';
overlay.style.position = 'fixed';
overlay.style.top = '0';
overlay.style.left = '0';
overlay.style.width = '100%';
overlay.style.height = '100%';
overlay.style.backgroundColor = 'rgba(0, 0, 0, 0.5)';
overlay.style.zIndex = '9999';
// 创建对话框容器
var dialog = document.createElement('div');
dialog.id = 'result-dialog';
dialog.style.position = 'fixed';
dialog.style.top = '50%';
dialog.style.left = '50%';
dialog.style.transform = 'translate(-50%, -50%)';
dialog.style.backgroundColor = '#fff';
dialog.style.padding = '20px';
dialog.style.borderRadius = '8px';
dialog.style.boxShadow = '0 2px 10px rgba(0,0,0,0.3)';
dialog.style.zIndex = '10000';
dialog.style.maxWidth = '456px';
dialog.style.width = '80%';
dialog.style.textAlign = 'center';
// 显示总消息数和聊天人数
var infoText = document.createElement('p');
infoText.textContent = `总消息数：${totalMessages}\n聊天人数：${totalUsers}`;
infoText.style.whiteSpace = 'pre-wrap'; // 保留换行
dialog.appendChild(infoText);
// 显示幸运用户的头像
var avatarImg = document.createElement('img');
avatarImg.src = randomUserInfo.avatar;
avatarImg.alt = randomUserInfo.username;
avatarImg.style.width = '80px';
avatarImg.style.height = '80px';
avatarImg.style.borderRadius = '50%';
avatarImg.style.marginTop = '10px';
dialog.appendChild(avatarImg);
const regex = /com\/([^=]+)=/;
// 使用match方法进行匹配
const match = randomUserInfo.avatar.match(regex);
let userKey
// 检查是否匹配成功，并输出结果
if (match && match[1]) {
console.log('提取到的字符串是:', match[1]);
userKey=match[1]
} else {
console.log('未找到匹配的字符串。');
userKey='出错了，请重新抽奖。'
}
// 获取当前时间并格式化为文件名
const now = new Date();
const year = now.getFullYear();
const month = String(now.getMonth() + 1).padStart(2, '0');
const day = String(now.getDate()).padStart(2, '0');
const hours = String(now.getHours()).padStart(2, '0');
const minutes = String(now.getMinutes()).padStart(2, '0');
const seconds = String(now.getSeconds()).padStart(2, '0');
const filename = `${year}-${month}-${day}_${hours}-${minutes}-${seconds}.txt`;
// 显示幸运用户的用户名
var usernameText = document.createElement('p');
usernameText.textContent = userKey;
usernameText.style.fontWeight = 'bold';
usernameText.style.marginTop = '10px';
dialog.appendChild(usernameText);
// 创建关闭按钮
var closeButton = document.createElement('button');
closeButton.textContent = '关闭';
closeButton.style.marginTop = '20px';
closeButton.addEventListener('click', function() {
document.body.removeChild(overlay);
document.body.removeChild(dialog);
});
dialog.appendChild(closeButton);
// 将遮罩层和对话框添加到页面
document.body.appendChild(overlay);
document.body.appendChild(dialog);
}
// 创建并显示没有找到消息的对话框
function showNoMessagesDialog() {
// 创建遮罩层
var overlay = document.createElement('div');
overlay.id = 'no-messages-dialog-overlay';
overlay.style.position = 'fixed';
overlay.style.top = '0';
overlay.style.left = '0';
overlay.style.width = '100%';
overlay.style.height = '100%';
overlay.style.backgroundColor = 'rgba(0, 0, 0, 0.5)';
overlay.style.zIndex = '9999';
// 创建对话框容器
var dialog = document.createElement('div');
dialog.id = 'no-messages-dialog';
dialog.style.position = 'fixed';
dialog.style.top = '50%';
dialog.style.left = '50%';
dialog.style.transform = 'translate(-50%, -50%)';
dialog.style.backgroundColor = '#fff';
dialog.style.padding = '20px';
dialog.style.borderRadius = '8px';
dialog.style.boxShadow = '0 2px 10px rgba(0,0,0,0.3)';
dialog.style.zIndex = '10000';
dialog.style.maxWidth = '300px';
dialog.style.width = '80%';
dialog.style.textAlign = 'center';
// 显示提示信息
var messageText = document.createElement('p');
messageText.textContent = '在指定的时间范围内没有找到会员消息。';
dialog.appendChild(messageText);
// 创建关闭按钮
var closeButton = document.createElement('button');
closeButton.textContent = '关闭';
closeButton.style.marginTop = '20px';
closeButton.addEventListener('click', function() {
document.body.removeChild(overlay);
document.body.removeChild(dialog);
});
dialog.appendChild(closeButton);
// 将遮罩层和对话框添加到页面
document.body.appendChild(overlay);
document.body.appendChild(dialog);
}
// 开始倒计时函数
function startCountdown(duration, memberType) {
var button = document.getElementById('lottery-button');
if (!button) return;
remainingTime = duration;
countdownActive = true;
let processedMessages = new Set(); // 存储已处理过的消息=====================================================================
// 更新按钮文本
button.textContent = '倒计时 ' + remainingTime + ' 秒';
// 在聊天列表中添加“抽奖开始”消息
addSystemMessage('https://yt3.googleusercontent.com/TsQ7k_W0ZBiYUxilCjRfdGTXZXdyttFcUTtu7DQ25LF5SrXGyixlZLK5Z9fjroZgJBQxqoWF=s160-c-k-c0x00ffffff-no-rj','AK‘s Tech Studio',
'🎉 抽奖开始！会员朋友们在接下来的 ' + duration + ' 秒内发送消息即可参与抽奖。');
const idStart=getLastMessageId();// 调用函数获取最后一条消息的 ID
// 每秒获取新增消息
countdownInterval = setInterval(function() {
button = document.getElementById('lottery-button');
remainingTime--;
if (remainingTime <= 0) {
clearInterval(countdownInterval);
countdownActive = false;
button.textContent = '抽奖';
// 调用抽奖函数，传入所有新增消息
getMemberMessages(processedMessages,idStart);
} else {
button.textContent = '倒计时 ' + remainingTime + ' 秒';
// 每秒获取新增消息
captureNewMessages(processedMessages,idStart);
}
}, 1000);
}
function getLastMessageId() {
// 获取所有会员类型的消息
let messages = document.querySelectorAll('yt-live-chat-text-message-renderer[author-type="member"]');
// 检查是否有消息
if (messages.length === 0) {
console.log('没有消息');
return null; // 如果没有消息，返回 null
}
// 获取最后一条消息
let lastMessage = messages[messages.length - 1];
// 获取最后一条消息的 ID
let lastMessageId = lastMessage.getAttribute('id');
console.log('目前最后一条消息的 ID:', lastMessageId);
return lastMessageId;
}
// 获取新增消息函数，从指定id开始
function captureNewMessages(processedMessages, startId) {
// moderator是管理员
// Aiden Yu 9-45
// Member (2 months)
// Welcome to 完全体电丸!
// 选择所有成员发的聊天消息
let messages = document.querySelectorAll('yt-live-chat-text-message-renderer[author-type="member"]');
let startProcessing = startId ? false : true; // 如果没有指定startId，则从头开始处理
messages.forEach(msg => {
let messageId = msg.getAttribute('id'); // 获取消息的唯一ID
if (!startProcessing) {
// 如果还没有开始处理，检查当前消息是否是startId
if (messageId === startId) {
startProcessing = true; // 找到startId，开始处理后续消息
}
return; // 跳过当前消息
}
if (!processedMessages.has(messageId)) {
// 处理新增消息
processedMessages.add(messageId);
// 获取头像
let avatarUrl = msg.querySelector('#author-photo #img')?.getAttribute('src');
// 获取用户名
let username = msg.querySelector('#author-name')?.textContent.trim();
// 获取内容
let content = msg.querySelector('#message')?.textContent.trim();
// 获取会员时长
let badge = msg.querySelector('yt-live-chat-author-badge-renderer');
let duration = 0; // 默认会员时长为 0
if (badge) {
let ariaLabel = badge.getAttribute('aria-label');
if (ariaLabel) {
// 从 aria-label 中解析会员时长
duration = parseMembershipDuration(ariaLabel);
}
}
console.log(`新增消息: 用户名: ${username}, 内容: ${content}, 头像: ${avatarUrl}, 会员时长: ${duration}`);
}
});
}
// 抽奖函数
window.getMemberMessages = function(processedMessages) {
let results = Array.from(processedMessages).map(msgId => {
let msg = document.querySelector(`yt-live-chat-text-message-renderer[id="${msgId}"]`);
if(msg){
// 获取消息的详细信息
let avatarUrl = msg.querySelector('#author-photo #img')?.getAttribute('src');
let username = msg.querySelector('#author-name')?.textContent.trim();
let content = msg.querySelector('#message')?.textContent.trim();
let badge = msg.querySelector('yt-live-chat-author-badge-renderer');
let duration = 0;
if (badge) {
let ariaLabel = badge.getAttribute('aria-label');
if (ariaLabel) {
duration = parseMembershipDuration(ariaLabel);
}
}
return {
avatar: avatarUrl,
username: username,
content: content,
membershipDuration: duration
};
}else{
return {
avatar: 'https://yt3.googleusercontent.com/TsQ7k_W0ZBiYUxilCjRfdGTXZXdyttFcUTtu7DQ25LF5SrXGyixlZLK5Z9fjroZgJBQxqoWF=s160-c-k-c0x00ffffff-no-rj',
username: '内容已丢失',
content: '内容已丢失',
membershipDuration: 0
};
}
});
if (results.length === 0) {
showNoMessagesInChat();
return;
}
// 将结果组装成文本并在控制台输出
let output = results.map(res => {
return `头像: ${res.avatar}\n用户名: ${res.username}\n内容: ${res.content}\n会员时长: ${res.membershipDuration}\n`;
}).join('\n');
console.log(output);
// 显示总消息数
let totalMessages = results.length;
// 获取唯一用户名列表
let uniqueUsers = [...new Set(results.map(res => res.username))];
let totalUsers = uniqueUsers.length;
// 在控制台显示用户名列表
//console.log('参与聊天的用户名：', uniqueUsers);
// 从用户名列表中随机抽取一个用户
let randomUser = uniqueUsers[Math.floor(Math.random() * uniqueUsers.length)];
let randomUserInfo = results.find(res => res.username === randomUser);
// 显示自定义对话框
showResultDialog(totalMessages, totalUsers, randomUserInfo);
showResultInChat(totalMessages, totalUsers, randomUserInfo);
};
function parseMembershipDuration(ariaLabel) {
// 处理中文和英文的会员时长
let duration = 0;
if (/新会员|New member/i.test(ariaLabel)) {
duration = 0;
} else {
let match = ariaLabel.match(/(\d+)\s*(个月|月|years?|year|年)/i);
if (match) {
let number = parseInt(match[1], 10);
let unit = match[2];
if (/月|个月|month/i.test(unit)) {
duration = number;
} else if (/年|year/i.test(unit)) {
duration = number * 12;
}
}
}
return duration;
}
// 您可以在控制台中调用该函数，并传入所需的秒数
// 例如，要获取过去 60 秒的消息：
// getMemberMessages(60);
// 初次加载页面时插入按钮
insertLotteryButton();
// 创建一个MutationObserver来监视DOM变化
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(mutation) {
// 当DOM发生变化时，尝试重新插入按钮
insertLotteryButton();
});
});
// 配置MutationObserver，监听子节点的变化
observer.observe(document.body, {
childList: true,
subtree: true
});
})();
