自动抢课
// ==UserScript==
// @name SWUST 抢课+
// @author lengthmin & Paranoid_AF
// @namespace dean.swust.Qiangke
// @version 1.0
// @description 自动抢课
// @require https://cdn.bootcss.com/jquery/3.3.1/jquery.min.js
// @include https://matrix.dean.swust.edu.cn/acadmicManager/index.cfm?event=chooseCourse:*
// @grant GM_getValue
// @grant GM_setValue
// @grant GM_addValueChangeListener
// ==/UserScript==
function parseSearch() {
var parms = {};
//把location.search解析成对象parms
var query = location.search.substring(1).split("&");
for (var i = 0; i < query.length; i++) {
var pos = query[i].split("=");
if (pos[0]) {
parms[pos[0]] = pos[1] ? pos[1] : "";
}
}
return parms;
}
var storageKey = "SWUST.Paranoid_AF.CourseList";
var logKey = "SWUST.Paranoid_AF.ShowLog";
var scriptName = "SWUST抢课+";
var subjectInfo = [];
var currentPage = {
DEFAULT_EVENT: "开始选课",
fixupTask: "补修",
programTask: "计划课程",
commonTask: "全校通选课",
retakeTask: "重修",
sportTask: "体育",
NON_COURSE_PICK: "非选课",
};
var setting = {
// 给查看每节课详细信息一点缓冲时间
wait: 100,
// 抢课刷新间隔
timeout: 500,
// 当前抢了多少次
count: 0,
};
$(document).ready(function () {
var params = parseSearch();
var event = params["event"];
let page_;
if (event.startsWith("chooseCourse:")) {
page_ = event.replace("chooseCourse:", "");
if (page_ === "chargeByTerm" || page_ === "courseTable") {
page_ = "NON_COURSE_PICK";
}
} else {
page_ = "NON_COURSE_PICK";
}
setting.div = $(
`<div style=" width: 330px; position: fixed; top: 0; right: 0; z-index: 99999; background-color: rgba(255, 255, 255, 0.6); overflow-x: auto;">
<span style="font-size: medium;"></span>
<div style="font-size: medium;">${currentPage[page_]}页面</div>
${
page_ === "DEFAULT_EVENT" || page_ === "NON_COURSE_PICK"
? ``
: `
<button style="margin-right: 10px; font-weight: 800; color: #0078D7; font-size: 16px;" id="startQK">开始选课</button>
`
}
<button style="margin-right: 10px; cursor: pointer; color: #0078D7;" id="newCourse">
添加课程
</button>
<div style="max-height: 300px; overflow-y: auto;">
抢课列表：
<table border="1" style="font-size: 12px;">
<thead>
<tr>
<th style="min-width: 100px;">课程</th>
<th style="min-width: 60px;">教师</th>
<th style="min-width: 60px;">时间</th>
<th>操作</th>
</tr>
</thead>
<tbody>
</tbody>
</table>
</div>
</div>
<div id="logWindow" style="bottom: calc(25px - 40vh);transition: bottom 1s;width: 330px; position: fixed; left: 0; z-index: 99999; background-color: #1f4359; overflow-x: auto; height: 40vh;">
<div style="font-size: medium; color: #fff;">
<span style="float:left">输出窗口</span>
<span id="logSwitch" style="float:right;cursor: pointer; user-select: none;"></span>
<div id="logContent" style="left: calc((100% - 97%) / 2); bottom: 0; width: 97%; position: absolute; background-color: #fff; height: calc(40vh - 25px); color: #000; overflow-y: scroll; font-size: 12px;">
</div>
</div>
</div>
`
).appendTo("body");
refreshList();
refreshLogPos();
$("#newCourse").click((e) => {
let result = inputCourse();
if (result !== null) {
addCourse(result);
refreshList();
}
});
$("#logSwitch").click((e) => {
let logEnabled = GM_getValue(logKey, true);
GM_setValue(logKey, !logEnabled);
refreshLogPos();
});
$("#startQK").click(() => {
if (subjectInfo.length == 0) {
pushLog("没有添加课！", 2);
return;
}
if (setting.loop) {
clearInterval(setting.loop);
delete setting.loop;
$("#startQK")[0].innerText = "继续抢课";
} else {
$("#startQK")[0].innerText = "暂停抢课";
setting.loop = setInterval(findClass, setting.timeout);
}
});
GM_addValueChangeListener(
storageKey,
(name, old_value, new_value, remote) => {
if (new_value !== subjectInfo) {
refreshList();
}
}
);
pushLog(`${scriptName} 已初始化完毕`, 3);
});
function pushLog(info, type = 0) {
let text = "信息";
switch (type) {
case 0:
text = "信息";
break;
case 1:
text = "警告";
break;
case 2:
text = "错误";
break;
case 3:
text = "成功";
break;
default:
}
let date = new Date();
$("#logContent").append(
`<p>[${text}] ${date.toLocaleTimeString("zh", {
hour12: false,
})} - ${info}</p>`
);
$("#logContent").scrollTop($("#logContent")[0].scrollHeight);
}
function refreshLogPos() {
let logEnabled = GM_getValue(logKey, true);
if (logEnabled) {
$("#logSwitch").html("👇收起 ");
$("#logWindow").css("bottom", "0");
} else {
$("#logSwitch").html("👆展开 ");
$("#logWindow").css("bottom", "calc(25px - 40vh)");
}
}
function refreshList() {
let subjectInfo = GM_getValue(storageKey, []);
setting.div.find("tbody").html(`
<tr>
<td colspan="2" style="display: none;"></td>
</tr>
`);
subjectInfo.map((value, index) => {
setting.div.find("tbody").append(
`
<tr index="${index}">
<td>
${value.subjectName}
</td>
<td>
${value.teacherName}
</td>
<td>
${value.time}
</td>
<td>
<button style="margin-top: -2px; color: #0078D7; font-size: 11.5px; cursor: pointer;" class="editCourse">编辑</button>
<button style="margin-top: -2px; color: #0078D7; font-size: 11.5px;cursor: pointer;" class="delCourse">移除</button>
</td>
</tr>`
);
});
$(".delCourse").on("click", (e) => {
let targetIndex = Number(
e.currentTarget.parentElement.parentElement.attributes.index.value
);
if (confirm("确认删除吗?")) {
delCourse(targetIndex);
}
refreshList();
});
$(".editCourse").on("click", (e) => {
let targetIndex = Number(
e.currentTarget.parentElement.parentElement.attributes.index.value
);
let result = inputCourse({
course: subjectInfo[targetIndex].subjectName,
teacher: subjectInfo[targetIndex].teacherName,
time: subjectInfo[targetIndex].time,
});
if (result !== null) {
editCourse(targetIndex, result);
refreshList();
}
});
}
function addCourse(info) {
subjectInfo.push({
subjectName: info.course, // 要抢的科目名字
teacherName: info.teacher, // 要抢的科目教师
time: info.time,
});
GM_setValue(storageKey, subjectInfo);
}
function editCourse(index, info) {
subjectInfo[index] = {
subjectName: info.course, // 要抢的科目名字
teacherName: info.teacher, // 要抢的科目教师
time: info.time,
};
GM_setValue(storageKey, subjectInfo);
}
function delCourse(index) {
subjectInfo.splice(index, 1);
GM_setValue(storageKey, subjectInfo);
}
function inputCourse(defaultInfo = { course: "", teacher: ".*", time: ".*" }) {
let result = {};
let course = prompt(
"输入课程名称(支持正则表达式)\n可以少写，但不要写错",
defaultInfo.course
);
if (course !== null) {
if (course === "") {
alert("课程名称不能为空!");
return null;
} else {
result.course = course;
}
} else {
return null;
}
let teacher = prompt(
"输入教师名称(支持正则表达式)\n.* 为任意。\n可以少写，但不要写错",
defaultInfo.teacher
);
if (teacher !== null) {
if (teacher === "") {
alert("教师名称不能为空!");
return null;
} else {
result.teacher = teacher;
}
} else {
return null;
}
let time = prompt(
`输入匹配的时间(支持正则表达式)\n如 ^((?!第一讲).)+$ 就是不匹配带有第一讲的\n可以少写，但不要写错`,
defaultInfo.time
);
if (time !== null) {
if (time === "") {
alert("时间不能为空!");
return null;
} else {
result.time = time;
}
} else {
return null;
}
return result;
}
function findClass() {
for (let k = 0; k < subjectInfo.length; k++) {
// 从选课首页点进教师详情那一页
$("div.courseShow.clearfix span.name").each(function () {
let subjectNameRegex = new RegExp(subjectInfo[k].subjectName, "iu");
let currsubjectName = $(this).text();
if (currsubjectName.match(subjectNameRegex)) {
pushLog("已找到" + subjectInfo[k].subjectName, 0);
// 进入选课详情
$(this).parent().find("a.trigger[cid]")[0].click();
}
});
var flag = false;
var empty_flag = true;
// 遍历详情页
setTimeout(() => {
pushLog(
"对“" +
subjectInfo[k].subjectName +
"”开始查询，第" +
setting.count +
"次",
0
);
setting.count++;
// 获取当前课的所有可选课程
for (var i = 0; i < $("a.stat.off").length; i++) {
empty_flag = false;
var $this = $("a.stat.off").eq(i);
var $parents = $this.parents("tr.editRows");
// 获取可选课程的老师上课时间地点等信息
for (var j = 0; j < $parents.length; j++) {
setting.time = $parents.eq(j).children().eq(8).text();
pushLog("上课时间:" + setting.time, 0);
setting.location = $parents.eq(j).children().eq(9).text();
pushLog("上课地点:" + setting.location, 0);
setting.teacher = $parents.eq(j).children().eq(2).text();
pushLog("上课老师:" + setting.teacher, 0);
let teacherNameRegex = new RegExp(subjectInfo[k].teacherName, "iu");
let timeRegex = new RegExp(subjectInfo[k].time, "iu");
if (
setting.teacher.match(teacherNameRegex) &&
setting.time.match(timeRegex)
) {
// 选课
eval($this.attr("href"));
pushLog("完成对课程“" + subjectInfo[k].subjectName + "”的选课", 3);
delCourse(k);
if (subjectInfo.length === 0) {
clearInterval(setting.loop);
delete setting.loop;
$("#startQK")[0].innerText = "开始抢课";
}
} else {
pushLog("目标课暂无满足要求的席位，重试中", 0);
// 返回课程列表
$("a.trigger.open")[0].click();
}
}
}
if (empty_flag) {
pushLog("课程“" + subjectInfo[k].subjectName + "”暂无空课，重试中", 0);
}
}, setting.wait);
// 没找到就返回刷新
}
}