// ==UserScript==
// @name SEU研究生讲座预约助手
// @icon https://i.seu.edu.cn/oss/iconLab/2023-02-17/研究生素质讲座-学生-1076102412478222336.png?sign=rl70_oAzOdwUO0mO4Qq3_eYf5rD-ymKu0Ypgh9DiRnFlT3ds7c8wOok37-UxVig5
// @namespace http://tampermonkey.net/
// @version 1.02
// @description 能够在PC端SEU网上办事服务大厅的研究生素质讲座实现自动定时抢讲座，可以做到自动或者手动输入验证码，解放双手！
// @author SEU-xfg
// @match http://ehall.seu.edu.cn/gsapp/sys/jzxxtjapp/*
// @homepageURL https://github.com/Cliencer/SEU-lecture-helper
// @supportURL https://github.com/Cliencer/SEU-lecture-helper/issues
// ==/UserScript==
(function () {
'use strict';
var settingsPanel = document.createElement('div');
settingsPanel.innerHTML = `
<div id="mySettingsPanel" style="position: fixed; top: 40px; right: 10px; z-index: 1000; background-color: white; border: 1px solid black; padding: 10px; display: none;">
<h3>设置</h3>
<div>
<label><input type="checkbox" id="autoVerifyCheck"> 自动输入验证码</label>
</div>
<div id="credentials" style="display: none;">
<div>
<label>用户名：<input type="text" id="username"></label>
</div>
<div>
<label>密码：<input type="password" id="password"></label>
</div>
<div>
<label>SoftID：<input type="text" id="softid"></label>
</div>
</div>
<div>
<label>延迟时间（秒）：<input type="number" id="delayTime" min="0" value="1"></label>
</div>
<button id="saveSettings">保存</button>
<button id="closeSettings">关闭</button>
<button id="helpButton">帮助</button>
</div>
`
var autoVerify = localStorage.getItem('autoVerify') === 'true';
var delayTime = localStorage.getItem('delayTime') || 1;
var floatButton = document.createElement('button');
floatButton.textContent = '插件设置';
floatButton.style.position = 'fixed';
floatButton.style.right = '5px';
floatButton.style.bottom = '200px';
floatButton.style.padding = '10px 20px';
floatButton.style.backgroundColor = '#0078D7';
floatButton.style.color = 'white';
floatButton.style.border = 'none';
floatButton.style.borderRadius = '5px';
floatButton.style.cursor = 'pointer';
floatButton.style.zIndex = '1000';
// 添加按钮到文档中
document.body.appendChild(floatButton);
document.body.appendChild(settingsPanel);
// 打开设置面板
floatButton.addEventListener('click', function () {
document.getElementById('mySettingsPanel').style.display = 'block';
});
// 关闭设置面板
document.getElementById('closeSettings').addEventListener('click', function () {
document.getElementById('mySettingsPanel').style.display = 'none';
});
// 控制显示/隐藏凭证输入框
document.getElementById('autoVerifyCheck').addEventListener('change', function () {
document.getElementById('credentials').style.display = this.checked ? 'block' : 'none';
});
// 保存设置
document.getElementById('saveSettings').addEventListener('click', function () {
autoVerify = document.getElementById('autoVerifyCheck').checked;
const username = document.getElementById('username').value;
const password = document.getElementById('password').value;
const softid = document.getElementById('softid').value;
delayTime = document.getElementById('delayTime').value;
localStorage.setItem('autoVerify', autoVerify);
localStorage.setItem('username', username);
localStorage.setItem('password', password);
localStorage.setItem('softid', softid);
localStorage.setItem('delayTime', delayTime);
document.getElementById('mySettingsPanel').style.display = 'none';
alert('设置已保存');
});
// 加载保存的设置
window.onload = function () {
const username = localStorage.getItem('username');
const password = localStorage.getItem('password');
const softid = localStorage.getItem('softid');
document.getElementById('autoVerifyCheck').checked = autoVerify;
document.getElementById('username').value = username;
document.getElementById('password').value = password;
document.getElementById('softid').value = softid;
document.getElementById('delayTime').value = delayTime;
if (autoVerify) {
document.getElementById('credentials').style.display = 'block';
}
};
// 显示帮助信息
document.getElementById('helpButton').addEventListener('click', function () {
alert(`由于脚本需要自动获取验证码图片，并识别验证码，因此选用超级鹰接口服务。其账户配置过程如下：
1. 访问 http://www.chaojiying.com/ ，注册账号，充值1元作为接口费用。
2. 进入个人中心 > 软件ID，申请一个软件ID。
3. 将用户名，密码，软件ID分别复制到设置的三个框内`);
});
//讲座系统请求头
const lecture_headers = {
'Accept': '*/*',
'Accept-Encoding': 'gzip, deflate',
'Accept-Language': 'zh-CN,zh;q=0.9,zh-TW;q=0.8,en-US;q=0.7,en;q=0.6',
'Connection': 'keep-alive',
'Content-Length': '0',
'Host': 'ehall.seu.edu.cn',
'Origin': 'http://ehall.seu.edu.cn',
'Referer': 'http://ehall.seu.edu.cn/gsapp/sys/yddjzxxtjappseu/*default/index.do',
'User-Agent': 'Mozilla/5.0 (iPhone; CPU iPhone OS 13_2_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.3 Mobile/15E148 Safari/604.1',
'X-Requested-With': 'XMLHttpRequest',
'Cookie': document.cookie
}
var lectureList
getTargetLecture()
// 等待特定元素加载完成
waitForElement('tbody', function (tbody) {
// 对tbody进行操作
observeTbody(tbody);
});
function waitForElement(selector, callback) {
const observer = new MutationObserver((mutations, obs) => {
const element = document.querySelector(selector);
if (element) {
callback(element);
obs.disconnect();
}
});
observer.observe(document.body, { childList: true, subtree: true });
}
function observeTbody(tbody) {
const trObserver = new MutationObserver((mutations) => {
mutations.forEach((mutation) => {
if (mutation.addedNodes.length > 0) {
mutation.addedNodes.forEach((node) => {
if (node.nodeName === 'TR') {
// 在这里对每个新添加的tr元素执行操作
console.log('新的 tr 元素被添加:', node);
insertButtonsInTr(node)
}
});
}
});
});
// 监控tbody下的子元素变化
trObserver.observe(tbody, { childList: true });
}
function insertButtonsInTr(tr) {
// 获取第一个td元素
const firstTd = tr.querySelector('td');
// 获取第四个td中的span的文本
const fourthTdSpanText = tr.querySelector('td:nth-child(4) span')?.textContent.trim();
if (firstTd && fourthTdSpanText) {
// 创建一个新的按钮元素
const button = document.createElement('button');
button.innerText = `预约自动抢课`;
button.style.marginLeft = '10px'; // 添加一些样式，例如左边距
// 将按钮添加到td元素中
firstTd.appendChild(button);
// 按钮点击事件
button.addEventListener('click', function () {
const lecture = findMatchingObject(fourthTdSpanText)
button.disabled = true;
console.log(lecture)
let wid = lecture.WID
let time = lecture.YYKSSJ
let timeout = calculateTimeDifference(time) + delayTime * 1000
if (timeout < 500) {
timeout = 500
} else if (timeout > 3000) {
if (autoVerify) {
var dialogText = "正在准备抢课，不要关闭，请耐心等待。"
} else {
dialogText = "你还未设置自动输入验证码，请在倒计时结束前在电脑前准备手动输入！"
}
var dialogBox = createWindows10StyleDialog(dialogText)
}
startCountdown(timeout, button)
let keepAliveIntervalId = setInterval(() => {
keepAlive(wid);
}, 60 * 1000);
setTimeout(() => {
try { dialogBox.style.display = 'none'; } catch (e) { }
rob(wid)
// 抢讲座操作完成后，清除保活定时器
clearInterval(keepAliveIntervalId);
}, timeout);
});
}
}
// 获取目标讲座信息
function getTargetLecture() {
fetch('http://ehall.seu.edu.cn/gsapp/sys/yddjzxxtjappseu/modules/hdyy/queryActivityList.do', {
method: 'POST',
headers: lecture_headers
})
.then(response => {
if (response.status === 403) {
// 处理403错误
return fetch("http://ehall.seu.edu.cn/gsapp/sys/yddjzxxtjappseu/*default/index.do#/hdyy")
.then(response => {
console.log("Loaded web");
getTargetLecture();
})
.catch(error => {
console.error("Error loading webpage: ", error);
});
} else {
return response.json();
}
})
.then(res => {
if (res && res.datas && res.datas.hdlbList) {
const lectures = res.datas.hdlbList;
console.log("讲座列表: ", lectures);
lectureList = lectures;
} else {
console.log("获取讲座信息失败");
}
})
.catch(error => {
console.log("请求出错: ", error);
});
}
function findMatchingObject(searchString) {
// 遍历列表中的每个对象
for (const item of lectureList) {
// 检查对象是否有JZMC属性并比较该属性与搜索字符串
if (item.JZMC && item.JZMC == searchString) {
return item; // 找到匹配，返回对象
}
}
return null; // 未找到匹配，返回null
}
function parseVerifyCode(imgBase64) {
var xhr = new XMLHttpRequest();
xhr.open('POST', 'http://upload.chaojiying.net/Upload/Processing.php', false); // false for synchronous request
//验证码请求参数
var verifyCodeParams = {
user: localStorage.getItem('username') || '',
pass: localStorage.getItem('password') || '',
softid: localStorage.getItem('softid') || '',
codetype: 1902,
file_base64: imgBase64
};
var formData = new FormData();
for (var key in verifyCodeParams) {
formData.append(key, verifyCodeParams[key]);
}
xhr.setRequestHeader('Connection', 'Keep-Alive');
xhr.setRequestHeader('User-Agent', 'Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0)');
xhr.send(formData);
if (xhr.status === 200) {
var res = JSON.parse(xhr.responseText);
if (res.err_no === 0) {
return res.pic_str;
} else {
console.error("解析验证码出错: " + res.err_str);
return null;
}
} else {
console.error("网络请求失败");
return null;
}
}
function keepAlive(wid) {
const url = "http://ehall.seu.edu.cn/gsapp/sys/yddjzxxtjappseu/modules/hdyy/getActivityDetail.do";
const body = new URLSearchParams({ 'wid': wid });
fetch(url, {
method: "POST",
headers: lecture_headers,
body: body
})
.then(response => {
if (response.ok) {
return response.json();
} else {
throw new Error('网络请求失败');
}
})
.then(res => {
if (res.code !== 0) {
console.error('保活失效，请检查cookie！');
} else {
console.log('用户身份有效，登录状态保活');
}
})
.catch(error => {
console.error('请求出错: ', error);
});
}
function reserveLecture(wid, verifyCode) {
const url = 'http://ehall.seu.edu.cn/gsapp/sys/yddjzxxtjappseu/modules/hdyy/addReservation.do';
const params = new URLSearchParams({
'wid': wid,
'vcode': verifyCode
});
console.log(params)
return fetch(url, {
method: 'POST',
headers: lecture_headers,
body: params
})
.then(response => response.json())
.then(res => {
console.log('预约接口响应数据: ', res);
if(res.code === 0 && res.datas === 1){
alert("预约成功！");
}else{
alert("预约失败，原因："+res.msg);
}
})
.catch(error => {
console.error('请求出错: ', error);
});
}
function getLectureVerifyCode(wid) {
return new Promise((resolve, reject) => {
const url = "http://ehall.seu.edu.cn/gsapp/sys/yddjzxxtjappseu/modules/hdyy/vcode.do";
fetch(url, {
method: "GET",
headers: lecture_headers
})
.then(response => {
if (response.ok) {
return response.json();
} else {
throw new Error('网络请求失败');
}
})
.then(res => {
try {
var base64Str = res.datas;
// 从响应中提取 base64 部分
base64Str = base64Str.substring(base64Str.indexOf("base64,") + 7);
resolve(base64Str);
} catch (error) {
reject(error);
}
})
.catch(error => {
reject(new Error('请求出错: ' + error.message));
});
});
}
function showVerifyCodeDialog(base64Image, callback) {
// 创建对话框的 HTML
var dialogHTML = `
<div id="verifyCodeModal" style="position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%); z-index: 10000; background-color: white; border: 1px solid black; padding: 20px; display: none;">
<h2>请输入验证码</h2>
<img id="verifyCodeImage" src="" style="width: 100%; max-width: 300px; height: auto; margin-bottom: 10px;">
<input type="text" id="verifyCodeInput" style="width: 100%; margin-bottom: 10px;">
<button id="verifyCodeSubmit">确定</button>
</div>
`;
// 将对话框添加到文档中
var dialogDiv = document.createElement('div');
dialogDiv.innerHTML = dialogHTML;
document.body.appendChild(dialogDiv);
// 设置图片内容
var image = document.getElementById('verifyCodeImage');
image.src = 'data:image/png;base64,' + base64Image;
// 显示对话框
var modal = document.getElementById('verifyCodeModal');
modal.style.display = 'block';
// 焦点放在输入框
var input = document.getElementById('verifyCodeInput');
input.focus();
// 处理提交
function submitHandler() {
var userInput = input.value;
modal.style.display = 'none'; // 关闭对话框
input.value = ''; // 清空输入框
if (typeof callback === "function") {
callback(userInput); // 调用回调函数，并传入用户输入
}
}
// 绑定按钮点击事件
document.getElementById('verifyCodeSubmit').onclick = submitHandler;
// 绑定回车键事件
input.onkeypress = function (event) {
if (event.keyCode === 13) { // 13 是回车键的键码
submitHandler();
}
};
}
async function rob(wid) {
console.log("定时预约任务开始, wid: ", wid);
try {
// 获取验证码图片
let verifyCodeImgBase64 = await getLectureVerifyCode(wid);
// 解析验证码
let verifyCode = ''
if (autoVerify) {
verifyCode = await parseVerifyCode(verifyCodeImgBase64);
console.log("解析验证码成功: ", verifyCode);
// 尝试预约讲座
let res = await reserveLecture(wid, verifyCode);
} else {
showVerifyCodeDialog(verifyCodeImgBase64, function (userInput) {
verifyCode = userInput;
console.log("手动输入验证码: ", verifyCode);
// 尝试预约讲座
let res = reserveLecture(wid, verifyCode);
})
}
} catch (error) {
console.error("出错了:", error);
}
}
function calculateTimeDifference(targetTime) {
// 将目标时间字符串转换为 Date 对象
var targetDate = new Date(targetTime);
// 获取当前时间的 Date 对象
var now = new Date();
// 计算差值（毫秒为单位）
var difference = targetDate.getTime() - now.getTime();
// 返回差值
return difference;
}
function startCountdown(duration, element) {
let remainingTime = duration;
// 添加前导零的函数
function pad(number) {
return number < 10 ? '0' + number : number;
}
// 更新按钮文本的函数
function updateText() {
// 计算时、分、秒
let hours = Math.floor(remainingTime / (1000 * 60 * 60));
let minutes = Math.floor((remainingTime % (1000 * 60 * 60)) / (1000 * 60));
let seconds = Math.floor((remainingTime % (1000 * 60)) / 1000);
// 更新按钮文本
element.textContent = `${pad(hours)}:${pad(minutes)}:${pad(seconds)}`;
// 减少剩余时间
remainingTime -= 1000;
// 如果时间耗尽，清除计时器
if (remainingTime < 0) {
clearInterval(intervalButton);
element.textContent = "正在抢课...";
}
}
// 设置定时器每秒调用 updateText 函数
let intervalButton = setInterval(updateText, 1000);
// 立即更新一次文本
updateText();
}
function createWindows10StyleDialog(t) {
var dialogHTML = `
<div id="dialogBox" style="position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.5); display: none; justify-content: center; align-items: center; z-index: 9999;">
<div id="dialogContent" style="background-color: white; padding: 20px; border-radius: 5px; text-align: center; box-shadow: 0px 0px 10px rgba(0,0,0,0.5);">
<p style="font-size: 16px; color: #333; margin-bottom: 20px;">${t}</p>
<div id="loadingSpinner" style="border: 5px solid #f3f3f3; border-top: 5px solid #0078D7; border-radius: 50%; width: 50px; height: 50px; margin: 10px auto; animation: spin 2s linear infinite;"></div>
<button id="closeDialog" style="padding: 10px 20px; background-color: #0078D7; color: white; border: none; border-radius: 5px; cursor: pointer; font-size: 14px;">关闭</button>
</div>
</div>
<style>
#dialogBox {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-color: rgba(0, 0, 0, 0.5);
display: flex;
justify-content: center;
align-items: center;
}
#dialogContent {
background-color: white;
padding: 20px;
border-radius: 5px;
text-align: center;
}
#loadingSpinner {
border: 5px solid #f3f3f3;
border-top: 5px solid #3498db;
border-radius: 50%;
width: 50px;
height: 50px;
animation: spin 2s linear infinite;
}
@keyframes spin {
0% { transform: rotate(0deg); }
100% { transform: rotate(360deg); }
}
</style>
`;
document.body.insertAdjacentHTML('beforeend', dialogHTML);
var dialogBox = document.getElementById('dialogBox');
var closeDialog = document.getElementById('closeDialog');
closeDialog.addEventListener('click', function () {
dialogBox.style.display = 'none';
});
// 显示对话框
dialogBox.style.display = 'flex';
return dialogBox
}
})();
