用于自动选课时，用户可以通过输入课程ID、页数和时间来进行自动操作。这个脚本旨在简化用户的选课流程，提供了更便捷的选课体验。
// ==UserScript==
// @name Sandau-选课小助手
// @namespace http://tampermonkey.net/
// @version 2024.1.0.0
// @description 用于自动选课时，用户可以通过输入课程ID、页数和时间来进行自动操作。这个脚本旨在简化用户的选课流程，提供了更便捷的选课体验。
// @author Qili
// @match https://jw.sandau.edu.cn/eams-shuju/stdElectCourse!defaultPage.action*
// @icon https://www.sandau.edu.cn/_upload/tpl/00/65/101/template101/images/foot_l.png
// @grant none
// @license none
// ==/UserScript==
(function() {
'use strict';
// Panel
var panel = document.createElement('div');
panel.style.background = '#f3f3f3';
panel.style.border = '1px solid #ddd';
panel.style.borderRadius = '8px';
panel.style.padding = '10px';
panel.style.position = 'fixed';
panel.style.top = '10px';
panel.style.right = '10px';
panel.style.width = '220px';
panel.style.boxShadow = '0 4px 8px rgba(0,0,0,0.1)';
document.body.appendChild(panel);
var title = document.createElement('div');
title.textContent = 'Qili选课小助手';
title.style.textAlign = 'center';
title.style.marginBottom = '12px';
panel.appendChild(title);
// Input for Course ID
var input = document.createElement('input');
input.placeholder = '输入课程ID';
input.style.width = '100%';
input.style.marginBottom = '10px';
panel.appendChild(input);
var pageNumberInput = document.createElement('input');
pageNumberInput.placeholder = '输入页码(可以为空)';
pageNumberInput.style.width = '100%';
pageNumberInput.style.marginBottom = '10px';
panel.appendChild(pageNumberInput);
// Input for Time
var timeInput = document.createElement('input');
timeInput.type = 'time';
timeInput.step = '1';
timeInput.style.width = '100%';
panel.appendChild(timeInput);
var clearTimeButton = document.createElement('button');
clearTimeButton.innerHTML = '清空所有';
clearTimeButton.style.width = '100%';
clearTimeButton.style.marginTop = '5px';
panel.appendChild(clearTimeButton);
// Button
var button = document.createElement('button');
button.innerHTML = '自动选课';
button.style.width = '100%';
button.style.marginTop = '10px';
panel.appendChild(button);
var countdownDisplay = document.createElement('div');
countdownDisplay.style.marginTop = '10px';
panel.appendChild(countdownDisplay);
var timeToggleCheckbox = document.createElement('input');
timeToggleCheckbox.type = 'checkbox';
timeToggleCheckbox.checked = true;
timeToggleCheckbox.style.marginTop = '5px';
panel.appendChild(timeToggleCheckbox);
var timeToggleLabel = document.createElement('label');
timeToggleLabel.textContent = '启用定时';
timeToggleLabel.style.marginLeft = '5px';
panel.appendChild(timeToggleLabel);
var timeToggleContainer = document.createElement('div');
timeToggleContainer.style.display = 'flex';
timeToggleContainer.style.justifyContent = 'center'; // Center horizontally
timeToggleContainer.style.alignItems = 'center'; // Center vertically
timeToggleContainer.style.marginBottom = '10px';
timeToggleContainer.appendChild(timeToggleCheckbox);
timeToggleContainer.appendChild(timeToggleLabel);
panel.appendChild(timeToggleContainer);
input.value = localStorage.getItem('savedCourseId') || '';
timeInput.value = localStorage.getItem('savedTime') || '';
var savedTimerTime = localStorage.getItem('savedTimerTime');
if (savedTimerTime) {
var savedDateTime = new Date(savedTimerTime);
if (savedDateTime > new Date()) {
startCountdown(savedDateTime, input.value.trim());
}
}
var togglePanelButton = document.createElement('button');
togglePanelButton.innerHTML = '👉🏻'; // Arrow symbol indicating collapse
togglePanelButton.style.position = 'absolute';
togglePanelButton.style.top = '0';
togglePanelButton.style.right = '100%'; // Position to the left of the panel
panel.appendChild(togglePanelButton);
var isPanelCollapsed = false;
var countdown;
togglePanelButton.addEventListener('click', function() {
if (isPanelCollapsed) {
// Expand the panel
panel.style.width = '220px';
input.style.display = 'block';
timeInput.style.display = timeToggleCheckbox.checked ? 'block' : 'none';
clearTimeButton.style.display = timeToggleCheckbox.checked ? 'block' : 'none';
button.style.display = 'block';
countdownDisplay.style.display = 'block';
timeToggleCheckbox.style.display = 'block';
timeToggleLabel.style.display = 'block';
pageNumberInput.style.display = 'block';
togglePanelButton.innerHTML = '👉🏻';
} else {
// Collapse the panel
panel.style.width = '20px';
input.style.display = 'none';
timeInput.style.display = 'none';
clearTimeButton.style.display = 'none';
button.style.display = 'none';
countdownDisplay.style.display = 'none';
timeToggleCheckbox.style.display = 'none';
timeToggleLabel.style.display = 'none';
pageNumberInput.style.display = 'none';
togglePanelButton.innerHTML = '👈🏻';
}
isPanelCollapsed = !isPanelCollapsed;
});
// Toggle functionality
timeToggleCheckbox.addEventListener('change', function() {
if (timeToggleCheckbox.checked) {
timeInput.style.display = 'block';
} else {
timeInput.style.display = 'none';
timeInput.value = ''; // Clear the time input
countdownDisplay.textContent = ''; // Clear countdown display
}
});
button.addEventListener('click', function() {
var courseId = input.value.trim();
var startTime = timeInput.value;
var pageNumber = pageNumberInput.value;
localStorage.setItem('savedCourseId', courseId);
localStorage.setItem('savedTime', startTime);
localStorage.setItem('savedPageNumber', pageNumber);
clearInterval(countdown);
if (courseId) {
if (startTime) {
var startDateTime = new Date();
var timeParts = startTime.split(':');
startDateTime.setHours(timeParts[0], timeParts[1], timeParts[2] || 0);
localStorage.setItem('savedTimerTime', startDateTime.toString());
var now = new Date();
var delay = startDateTime.getTime() - now.getTime();
if (delay < 0) {
countdownDisplay.textContent = '所选时间已过，请选择未来的时间。';
return;
}
startCountdown(startDateTime, courseId);
} else {
localStorage.setItem('globalNumber', 3);
localStorage.removeItem('savedTime');
countdownDisplay.textContent = '';
trySelectCourse(courseId);
}
}
});
// 在倒计时结束后执行抢课操作
function startCountdown(startDateTime, courseId) {
countdown = setInterval(function() {
var now = new Date();
var remaining = startDateTime.getTime() - now.getTime();
if (remaining <= 1) {
clearInterval(countdown);
countdownDisplay.textContent = '启动成功...';
// 等待一小段时间后刷新页面
setTimeout(function() {
location.reload();
}, 1000);
} else {
localStorage.setItem('globalNumber', 3);
var seconds = Math.floor(remaining / 1000);
countdownDisplay.textContent = '自动脚本还剩: ' + seconds + 's执行';
}
}, 1000);
}
window.addEventListener('load', function() {
clearInterval(countdown);
openEnterCourseSelection();
if (window.location.href.startsWith('https://jw.sandau.edu.cn/eams-shuju/stdElectCourse!defaultPage.action?electionProfile.id=')) {
var courseId = localStorage.getItem('savedCourseId');
if (courseId) {
trySelectCourse(courseId);
localStorage.removeItem('savedTime');
}
}
});
function sleep(ms) {
return new Promise(resolve => setTimeout(resolve, ms));
}
async function selectCourse(courseId) {
var rows = document.querySelectorAll('#electableLessonList tr');
var found = false;
for (const row of rows) {
var currentId = row.cells[1] ? row.cells[1].textContent.trim() : '';
if (currentId === courseId) {
found = true;
var electLink = row.querySelector('a.lessonListOperator');
if (electLink) {
electLink.click();
console.log('尝试选课');
await sleep(800);
var outerDiv = document.getElementById('cboxLoadedContent');
if (outerDiv) {
var errorText = outerDiv.textContent.trim();
console.log(errorText);
if (!errorText.includes('抢课成功')) {
var closeButton = document.getElementById('cboxClose');
if (closeButton) {
closeButton.click();
}
}
} else {
console.log('未找到特定 ID 元素');
}
}
}
}
return found;
}
function openEnterCourseSelection() {
if (window.location.href === 'https://jw.sandau.edu.cn/eams-shuju/stdElectCourse.action') {
var savedCourseId = localStorage.getItem('savedCourseId');
if (savedCourseId) { // 检查 savedCourseId 是否存在且不为空
var enterButtons = document.querySelectorAll("button[onclick*='/eams-shuju/stdElectCourse!defaultPage.action']");
var lastEnterButton = enterButtons[enterButtons.length - 1];
if (lastEnterButton && lastEnterButton.innerText === '进入选课') {
lastEnterButton.click();
}
}
}
}
function clickPageNumber(pageNumber) {
var paginationLinks = document.querySelectorAll('.pgButton');
for (const link of paginationLinks) {
if (link.getAttribute('pageno') === pageNumber) {
link.click();
break;
}
}
}
clearTimeButton.addEventListener('click', function() {
// 清除原先设置的计时器
clearInterval(countdown);
// 清空 LocalStorage 中的数据
localStorage.removeItem('savedCourseId');
localStorage.removeItem('savedPageNumber');
localStorage.removeItem('savedTime');
input.value = '';
timeInput.value = '';
countdownDisplay.textContent = '';
pageNumberInput.value = '';
});
async function trySelectCourse(courseId) {
var savedPageNumber = localStorage.getItem('savedPageNumber');
if (savedPageNumber) {
clickPageNumber(savedPageNumber);
}
var found = await selectCourse(courseId);
if (!found) {
console.log('未找到该课程ID: ' + courseId);
countdownDisplay.textContent = '未找到该课程ID: ' + courseId;
return;
}else{
for (var i = 1; i < 3; i++) {
await sleep(500);
await selectCourse(courseId);
}
var outerDiv = document.getElementById('cboxLoadedContent');
var errorText = outerDiv.textContent.trim();
console.log(errorText);
var savedGlobalNumber = localStorage.getItem('globalNumber');
if (!errorText.includes('抢课成功')) {
console.log('进入条件');
console.log('savedGlobalNumber:', savedGlobalNumber);
if (savedGlobalNumber !== '1') {
console.log('执行条件内部');
savedGlobalNumber--;
console.log('savedGlobalNumber after decrement:', savedGlobalNumber);
localStorage.setItem('globalNumber', savedGlobalNumber);
location.reload();
return;
}
}
localStorage.removeItem('globalNumber');
localStorage.removeItem('savedPageNumber');
localStorage.removeItem('savedCourseId');
timeInput.value = '';
countdownDisplay.textContent = '';
}
}
})();