主要更新：
班级课表支持年级、学院、专业、行政班分级筛选。 管理员课表查询中心支持班级、教师、场地三种课表。 超级管理员、校级教务、学院教务、领导可查询草稿和已发布版本；学院管理员保留学院数据范围。 增加周视图、日视图切换。 支持 Excel 导出和当前视图 PDF 导出。 学生端增加“空闲教室”，支持学期、周次、星期、连续节次、校区、教学楼、容量筛选，并按教学楼分组、分页展示。 空闲教室只依据正式课表计算；未配置节次表时自动提供默认节次。
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using ClosedXML.Excel;
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namespace Jiaowu.Api.Infrastructure.Timetables;
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public static class TimetableExcelExporter
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{
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private static readonly string[] Weekdays =
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["", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六", "星期日"];
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public static byte[] Create(TimetableData timetable)
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{
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using var workbook = new XLWorkbook();
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var sheet = workbook.Worksheets.Add("课表");
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sheet.Style.Font.FontName = "Microsoft YaHei";
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sheet.Range("A1:H1").Merge();
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sheet.Cell("A1").Value = $"{timetable.Subject.Name} · {timetable.Term.Name}课表";
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sheet.Cell("A1").Style
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.Font.SetBold()
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.Font.SetFontSize(18)
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.Font.SetFontColor(XLColor.White)
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.Fill.SetBackgroundColor(XLColor.FromHtml("#173E72"))
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.Alignment.SetHorizontal(XLAlignmentHorizontalValues.Left)
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.Alignment.SetVertical(XLAlignmentVerticalValues.Center);
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sheet.Row(1).Height = 34;
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sheet.Range("A2:H2").Merge();
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sheet.Cell("A2").Value = timetable.Plan is null
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? "本学期暂无可用课表版本"
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: $"版本：{timetable.Plan.Version} · 状态：{PlanStatus(timetable.Plan.Status)} · 导出时间：{DateTime.Now:yyyy-MM-dd HH:mm}";
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sheet.Cell("A2").Style
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.Font.SetFontColor(XLColor.FromHtml("#52677A"))
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.Fill.SetBackgroundColor(XLColor.FromHtml("#EFF3F6"));
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sheet.Row(2).Height = 24;
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var headerRow = 4;
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var headers = new[] { "节次 / 时间" }.Concat(Weekdays.Skip(1)).ToArray();
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for (var column = 1; column <= headers.Length; column++)
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{
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var cell = sheet.Cell(headerRow, column);
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cell.Value = headers[column - 1];
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cell.Style
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.Font.SetBold()
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.Font.SetFontColor(XLColor.White)
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.Fill.SetBackgroundColor(XLColor.FromHtml("#24706A"))
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.Alignment.SetHorizontal(XLAlignmentHorizontalValues.Center)
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.Alignment.SetVertical(XLAlignmentVerticalValues.Center);
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}
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sheet.Row(headerRow).Height = 26;
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var periods = timetable.Slots.Select(x => x.PeriodNumber)
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.Concat(timetable.Entries.SelectMany(x =>
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Enumerable.Range(x.StartPeriod, x.PeriodCount)))
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.Distinct()
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.Order()
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.ToArray();
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if (periods.Length == 0) periods = Enumerable.Range(1, 8).ToArray();
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for (var index = 0; index < periods.Length; index++)
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{
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var period = periods[index];
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var row = headerRow + index + 1;
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var slot = timetable.Slots.FirstOrDefault(x => x.PeriodNumber == period);
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sheet.Cell(row, 1).Value = slot is null
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? $"第 {period} 节"
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: $"第 {period} 节\n{slot.StartsAt:HH\\:mm}-{slot.EndsAt:HH\\:mm}";
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sheet.Cell(row, 1).Style
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.Font.SetBold()
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.Fill.SetBackgroundColor(XLColor.FromHtml("#F0F4F6"))
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.Alignment.SetHorizontal(XLAlignmentHorizontalValues.Center)
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.Alignment.SetVertical(XLAlignmentVerticalValues.Center)
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.Alignment.SetWrapText();
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for (var day = 1; day <= 7; day++)
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{
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var entries = timetable.Entries
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.Where(x =>
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x.DayOfWeek == day &&
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x.StartPeriod <= period &&
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x.StartPeriod + x.PeriodCount - 1 >= period)
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.ToList();
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var cell = sheet.Cell(row, day + 1);
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cell.Value = string.Join("\n\n", entries.Select(EntryText));
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cell.Style
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.Alignment.SetVertical(XLAlignmentVerticalValues.Top)
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.Alignment.SetWrapText();
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if (entries.Count > 0)
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{
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cell.Style
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.Fill.SetBackgroundColor(XLColor.FromHtml("#E8F3F2"))
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.Font.SetFontColor(XLColor.FromHtml("#173F4C"));
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}
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}
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sheet.Row(row).Height = 64;
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}
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var grid = sheet.Range(
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headerRow,
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1,
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headerRow + periods.Length,
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headers.Length);
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grid.Style.Border.InsideBorder = XLBorderStyleValues.Thin;
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grid.Style.Border.InsideBorderColor = XLColor.FromHtml("#D8E1E6");
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grid.Style.Border.OutsideBorder = XLBorderStyleValues.Medium;
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grid.Style.Border.OutsideBorderColor = XLColor.FromHtml("#AABBC5");
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sheet.Column(1).Width = 16;
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for (var column = 2; column <= 8; column++) sheet.Column(column).Width = 24;
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sheet.SheetView.FreezeRows(headerRow);
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if (timetable.FlexibleCourses.Count > 0)
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{
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var startRow = headerRow + periods.Length + 3;
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sheet.Range(startRow, 1, startRow, 8).Merge();
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sheet.Cell(startRow, 1).Value = "非排时课程（不占正常上课时间与场地）";
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sheet.Cell(startRow, 1).Style
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.Font.SetBold()
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.Font.SetFontColor(XLColor.White)
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.Fill.SetBackgroundColor(XLColor.FromHtml("#805C27"));
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var row = startRow + 1;
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foreach (var course in timetable.FlexibleCourses)
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{
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sheet.Range(row, 1, row, 8).Merge();
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sheet.Cell(row, 1).Value =
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$"{course.CourseCode} · {course.CourseName} · {string.Join('、', course.TeacherNames)} · 第 {course.StartWeek}-{course.EndWeek} 周 · 每周 {course.WeeklyHours} 学时";
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sheet.Cell(row, 1).Style
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.Fill.SetBackgroundColor(XLColor.FromHtml("#FFF8EA"))
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.Alignment.SetWrapText();
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row++;
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}
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}
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sheet.PageSetup.PageOrientation = XLPageOrientation.Landscape;
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sheet.PageSetup.PaperSize = XLPaperSize.A4Paper;
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sheet.PageSetup.FitToPages(1, 0);
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sheet.PageSetup.Margins.SetLeft(0.25).SetRight(0.25).SetTop(0.35).SetBottom(0.35);
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using var stream = new MemoryStream();
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workbook.SaveAs(stream);
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return stream.ToArray();
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}
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private static string EntryText(TimetableEntryDto entry) =>
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$"{entry.CourseName}\n" +
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$"{string.Join('、', entry.TeacherNames)}\n" +
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$"{Location(entry)}\n" +
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$"{entry.StartWeek}-{entry.EndWeek} 周";
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private static string Location(TimetableEntryDto entry) =>
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string.Join(" · ", new[]
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{
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entry.CampusName,
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entry.BuildingName,
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entry.ClassroomName
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}.Where(x => !string.IsNullOrWhiteSpace(x)));
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private static string PlanStatus(Domain.Academic.SchedulePlanStatus status) =>
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status switch
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{
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Domain.Academic.SchedulePlanStatus.Draft => "草稿",
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Domain.Academic.SchedulePlanStatus.Published => "已发布",
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Domain.Academic.SchedulePlanStatus.Archived => "已归档",
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_ => status.ToString()
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};
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}
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