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+// 山东交通学院 (sdjtu.edu.cn) 拾光课程表适配脚本
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+// 教务系统类型：强智教务（通过深信服WebVPN访问）
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+// 直接读取页面DOM解析课表，WebVPN代理下fetch可能失败
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+
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+/**
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+ * 将周次字符串解析为数字数组
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+ * 支持格式: 任意单周/单双周/区间/混合等组合
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+ */
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+function parseWeeks(weekStr) {
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+ const weeks = [];
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+ if (!weekStr) return weeks;
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+
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+ const pureWeekData = weekStr.split('(')[0];
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+
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+ pureWeekData.split(',').forEach(seg => {
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+ seg = seg.trim();
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+ if (seg.includes('-')) {
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+ const [s, e] = seg.split('-').map(Number);
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+ if (!isNaN(s) && !isNaN(e)) {
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+ for (let i = s; i <= e; i++) weeks.push(i);
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+ }
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+ } else {
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+ const w = parseInt(seg);
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+ if (!isNaN(w)) weeks.push(w);
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+ }
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+ });
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+ return [...new Set(weeks)].sort((a, b) => a - b);
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+}
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+
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+/**
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+ * 获取包含课表表格的文档对象
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+ * 优先当前页面，其次遍历iframe查找
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+ */
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+function getScheduleDocument() {
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+ // 1. 当前页面直接包含课表
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+ if (document.getElementById('kbtable')) {
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+ return document;
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+ }
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+ // 2. 在iframe中查找课表
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+ const iframes = document.querySelectorAll('iframe');
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+ for (let i = 0; i < iframes.length; i++) {
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+ try {
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+ const iframeDoc = iframes[i].contentDocument;
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+ if (iframeDoc && iframeDoc.getElementById('kbtable')) {
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+ return iframeDoc;
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+ }
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+ } catch (e) {
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+ // 跨域iframe无法访问，跳过
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+ }
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+ }
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+ return null;
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+}
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+
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+/**
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+ * 从DOM元素中按<br>分割提取行文本
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+ * 解决未挂载元素innerText无换行的问题
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+ */
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+function extractLines(element) {
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+ const lines = [];
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+ let currentLine = '';
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+ for (let i = 0; i < element.childNodes.length; i++) {
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+ const node = element.childNodes[i];
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+ if (node.nodeName === 'BR') {
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+ lines.push(currentLine.trim());
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+ currentLine = '';
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+ } else {
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+ currentLine += node.textContent;
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+ }
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+ }
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+ if (currentLine.trim()) lines.push(currentLine.trim());
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+ return lines.filter(l => l.length > 0);
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+}
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+
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+/**
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+ * 无法post到课表信息，故从课表HTML中解析时间段信息
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+ * 行头格式: "第一大节\n08:30-10:00"
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+ * 每个大节包含2个小节
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+ */
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+function parseTimeSlots(doc) {
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+ const table = doc.getElementById('kbtable');
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+ if (!table) return [];
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+
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+ const rows = table.querySelectorAll('tr');
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+ const timeSlots = [];
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+ let sectionNum = 1;
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+
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+ for (let i = 1; i < rows.length; i++) {
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+ const ths = rows[i].querySelectorAll('th');
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+ if (ths.length === 0) continue;
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+
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+ const headerText = ths[0].innerText.trim();
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+ // 跳过备注行
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+ if (headerText.startsWith('备注')) continue;
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+
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+ // 提取时间范围，格式如 "08:30-10:00"
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+ const timeMatch = headerText.match(/(\d{2}:\d{2})-(\d{2}:\d{2})/);
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+ if (!timeMatch) continue;
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+
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+ const startTime = timeMatch[1];
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+ const endTime = timeMatch[2];
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+
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+ // 每小节固定45分钟。
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+ // 第一小节从大节开始时间起算；第二小节从大节结束时间往前推45分钟。
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+ // 这样既兼容90分钟大节（45+45无课间），也兼容95分钟大节（45+5课间+45）
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+ const [sh, sm] = startTime.split(':').map(Number);
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+ const [eh, em] = endTime.split(':').map(Number);
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+ const startMinutes = sh * 60 + sm;
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+ const endMinutes = eh * 60 + em;
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+ const CLASS_DURATION = 45;
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+
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+ // 第一小节
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+ timeSlots.push({
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+ number: sectionNum++,
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+ startTime: startTime,
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+ endTime: formatTime(startMinutes + CLASS_DURATION)
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+ });
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+
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+ // 第二小节（从大节结束时间往前推45分钟）
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+ timeSlots.push({
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+ number: sectionNum++,
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+ startTime: formatTime(endMinutes - CLASS_DURATION),
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+ endTime: endTime
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+ });
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+ }
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+
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+ return timeSlots;
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+}
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+
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+/**
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+ * 将分钟数格式化为 HH:mm
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+ */
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+function formatTime(totalMinutes) {
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+ const h = Math.floor(totalMinutes / 60);
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+ const m = totalMinutes % 60;
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+ return `${String(h).padStart(2, '0')}:${String(m).padStart(2, '0')}`;
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+}
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+
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+/**
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+ * 解析课表HTML，提取课程数据
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+ */
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+function parseCourses(doc) {
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+ const table = doc.getElementById('kbtable');
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+ if (!table) return [];
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+
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+ const courses = [];
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+ const rows = table.querySelectorAll('tr');
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+
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+ // 从第2行开始遍历（第1行是星期表头）
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+ for (let i = 1; i < rows.length; i++) {
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+ const tds = rows[i].querySelectorAll('td');
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+ if (tds.length === 0) continue;
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+
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+ // 遍历每一天的列（td索引0=星期一, 1=星期二, ..., 5=星期六）
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+ tds.forEach((cell, dayIndex) => {
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+ const day = dayIndex + 1; // 1=周一, 6=周六
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+
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+ // 获取显示视图的div（class="kbcontent"）
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+ const contentDivs = cell.querySelectorAll('.kbcontent');
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+ contentDivs.forEach(div => {
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+ const rawHtml = div.innerHTML.trim();
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+ if (!rawHtml || rawHtml === ' ') return;
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+
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+ // 按分隔线拆分为多个课程块
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+ const blocks = rawHtml.split(/-{5,}/);
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+
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+ blocks.forEach(block => {
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+ const tempDiv = document.createElement('div');
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+ tempDiv.innerHTML = block;
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+
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+ // 按<br>分割为行
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+ const lines = extractLines(tempDiv);
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+ if (lines.length < 2) return;
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+
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+ // 找到课程代码行（格式: 数字-数字+字母）
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+ let codeLineIdx = -1;
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+ for (let li = 0; li < lines.length; li++) {
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+ if (/^\d{6}-\d{6}/.test(lines[li])) {
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+ codeLineIdx = li;
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+ break;
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+ }
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+ }
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+ if (codeLineIdx === -1 || codeLineIdx + 1 >= lines.length) return;
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+
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+ // 课程名称 = 代码行下一行，去除尾部O/P调课标记
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+ const name = lines[codeLineIdx + 1]
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+ .replace(/[\s ]*[OP]\s*$/, '')
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+ .trim();
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+
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+ // 提取各字段
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+ const teacherFont = tempDiv.querySelector('font[title="老师"]') ||
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+ tempDiv.querySelector('font[title="教师"]');
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+ const weekFont = tempDiv.querySelector('font[title="周次(节次)"]');
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+ const roomFont = tempDiv.querySelector('font[title="教室"]');
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+
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+ if (!weekFont) return;
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+
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+ const weekInfo = weekFont.textContent.trim();
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+ const teacher = teacherFont ? teacherFont.textContent.trim() : '';
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+ const position = roomFont ? roomFont.textContent.trim() : '';
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+
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+ // 解析节次
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+ const secMatch = weekInfo.match(/\[(\d+)(?:-(\d+))?节\]/);
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+ if (!secMatch) return;
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+
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+ const startSection = parseInt(secMatch[1]);
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+ const endSection = secMatch[2] ? parseInt(secMatch[2]) : startSection;
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+
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+ // 解析周次
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+ const weeks = parseWeeks(weekInfo);
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+ if (weeks.length === 0 || !name) return;
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+
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+ courses.push({
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+ name: name,
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+ teacher: teacher,
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+ position: position,
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+ day: day,
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+ startSection: startSection,
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+ endSection: endSection,
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+ weeks: weeks
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+ });
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+ });
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+ });
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+ });
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+ }
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+
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+ return courses;
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+}
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+
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+/**
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+ * 读取当前页面选中的学期ID
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+ */
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+function getSemesterId(doc) {
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+ const select = doc.getElementById('xnxq01id');
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+ if (!select) return '未知学期';
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+ return select.value || '未知学期';
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+}
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+
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+/**
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+ * 日期输入验证函数
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+ */
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+window.validateDateInput = function (input) {
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+ if (/^\d{4}-\d{2}-\d{2}$/.test(input)) {
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+ const d = new Date(input);
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+ if (!isNaN(d.getTime())) return false; // 验证通过
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+ }
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+ return "请输入正确的日期格式，如 2026-02-23";
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+};
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+
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+/**
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+ * 根据学期ID推算默认开学日期
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+ * 第一学期（秋季）默认9月1日，第二学期（春季）默认2月23日
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+ */
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+function getDefaultStartDate(semesterId) {
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+ const match = semesterId.match(/^(\d{4})-(\d{4})-(\d)$/);
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+ if (!match) return '';
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+ const year = parseInt(match[1]);
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+ const sem = parseInt(match[3]);
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+ if (sem === 1) {
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+ return `${year}-08-24`;
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+ } else {
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+ return `${parseInt(match[2])}-02-23`;
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+ }
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+}
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+
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+/**
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+ * 获取用户输入的开学日期
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+ * 本校寒暑假的开学时间都不固定，故采用此方案
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+ */
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+async function getSemesterStartDate(semesterId) {
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+ const defaultDate = getDefaultStartDate(semesterId);
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+ const dateInput = await window.AndroidBridgePromise.showPrompt(
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+ "设置开学日期",
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+ "请输入本学期开学日期，一般为周一（格式 YYYY-MM-DD，如 2026-02-23）：",
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+ defaultDate,
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+ "validateDateInput"
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+ );
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+ return dateInput; // 用户取消返回 null
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+}
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+
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+/**
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+ * 主流程
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+ */
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+async function runImportFlow() {
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+ try {
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+ // 1. 确认提示
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+ const confirmed = await window.AndroidBridgePromise.showAlert(
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+ "导入提示",
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+ "请确保您已登录教务系统并打开了【学期理论课表】页面（已选好学期）。\n脚本将直接读取当前页面的课表数据。",
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+ "确认并开始"
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+ );
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+ if (!confirmed) return;
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+
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+ // 2. 获取课表文档
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+ const doc = getScheduleDocument();
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+ if (!doc) {
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+ AndroidBridge.showToast("未找到课表页面，请先打开【学期理论课表】");
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+ return;
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+ }
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+
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+ const semesterId = getSemesterId(doc);
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+
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+ // 3. 获取开学日期
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+ const startDate = await getSemesterStartDate(semesterId);
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+ if (startDate === null) {
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+ AndroidBridge.showToast("已取消开学日期输入");
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+ return;
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+ }
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+
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+ // 4. 解析课程数据
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+ const courses = parseCourses(doc);
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+ if (courses.length === 0) {
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+ AndroidBridge.showToast("未获取到课程数据，该学期可能暂无课表");
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+ return;
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+ }
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+
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+ // 5. 解析时间段
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+ const timeSlots = parseTimeSlots(doc);
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+
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+ // 6. 保存数据
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+ if (timeSlots.length > 0) {
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+ await window.AndroidBridgePromise.savePresetTimeSlots(JSON.stringify(timeSlots));
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+ }
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+
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+ await window.AndroidBridgePromise.saveImportedCourses(JSON.stringify(courses));
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+
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+ // 7. 保存课表配置（含开学日期）
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+ const config = {
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+ semesterStartDate: startDate,
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+ semesterTotalWeeks: 20,
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+ defaultClassDuration: 45,
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+ defaultBreakDuration: 5,
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+ firstDayOfWeek: 1
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+ };
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+ await window.AndroidBridgePromise.saveCourseConfig(JSON.stringify(config));
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+
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+ AndroidBridge.showToast(`[${semesterId}] 成功导入 ${courses.length} 条课程记录！`);
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+ AndroidBridge.notifyTaskCompletion();
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+
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+ } catch (error) {
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+ console.error("适配脚本异常:", error);
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+ AndroidBridge.showToast("异常: " + error.message);
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+ }
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+}
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+
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+// 启动导入流程
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+runImportFlow();
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