已完成，学生端考勤记录现在按课程展示。

每门课程会独立显示：
课程名称、代码、教学班和任课教师。
课程总体出勤率。
出勤、迟到、缺勤、请假、免修次数。
按日期排列的历次点名记录。
缺勤或迟到记录仍可单独申诉。

tests/Jiaowu.Api.Tests/AttendanceControllerTests.cs

@@ -38,10 +38,19 @@ public sealed class AttendanceControllerTests
             MajorId = major.Id,
             Grade = 2026
         };
+        var studentUserId = Guid.NewGuid();
+        var studentUser = new ApplicationUser
+        {
+            Id = studentUserId,
+            UserName = "202601001",
+            NormalizedUserName = "202601001",
+            DisplayName = "周同学"
+        };
         var firstStudent = new Student
         {
             StudentNumber = "202601001",
             Name = "周同学",
+            UserId = studentUserId,
             AdministrativeClassId = administrativeClass.Id,
             EnrollmentYear = 2026,
             EnrollmentDate = new DateOnly(2026, 9, 1)
@@ -85,6 +94,7 @@ public sealed class AttendanceControllerTests
             Status = TeachingTaskStatus.Published
         };
         db.AddRange(
+            studentUser,
             college,
             major,
             administrativeClass,
@@ -181,6 +191,111 @@ public sealed class AttendanceControllerTests
         Assert.Equal(
             3,
             workbook.Worksheet("历次点名趋势").LastRowUsed()!.RowNumber());
+
+        var now = DateTime.UtcNow;
+        var qrRecord = new AttendanceRecord
+        {
+            StudentId = firstStudent.Id,
+            Status = AttendanceStatus.Absent
+        };
+        var qrSheet = new AttendanceSheet
+        {
+            TeachingTaskId = task.Id,
+            Name = "课堂扫码签到",
+            AttendanceDate = now,
+            Status = AttendanceSheetStatus.Draft,
+            CheckInMethod = AttendanceCheckInMethod.QrCode,
+            CheckInToken = "TEST-QR-TOKEN",
+            CheckInStartsAt = now.AddMinutes(-1),
+            CheckInEndsAt = now.AddMinutes(10),
+            Records = [qrRecord]
+        };
+        db.AttendanceSheets.Add(qrSheet);
+        await db.SaveChangesAsync();
+
+        var studentController = new AttendanceController(
+            db,
+            new StudentDataScope(studentUserId));
+        var myRecordsResult = await studentController.GetMyRecords(
+            null,
+            CancellationToken.None);
+        var myRecordsOk = Assert.IsType<OkObjectResult>(myRecordsResult);
+        var myRecords = Assert
+            .IsAssignableFrom<System.Collections.IEnumerable>(myRecordsOk.Value)
+            .Cast<object>()
+            .ToList();
+        Assert.Equal(2, myRecords.Count);
+        Assert.All(myRecords, item =>
+            Assert.Equal(
+                task.Id,
+                item.GetType().GetProperty("TeachingTaskId")!.GetValue(item)));
+
+        var infoResult = await studentController.GetCheckInInfo(
+            qrSheet.CheckInToken,
+            CancellationToken.None);
+        Assert.IsType<OkObjectResult>(infoResult);
+
+        var qrCheckInResult = await studentController.CheckIn(
+            new AttendanceCheckInRequest(
+                null,
+                qrSheet.CheckInToken,
+                null,
+                null,
+                null),
+            CancellationToken.None);
+        Assert.IsType<OkObjectResult>(qrCheckInResult);
+        Assert.Equal(AttendanceStatus.Present, qrRecord.Status);
+        Assert.Equal(AttendanceCheckInMethod.QrCode, qrRecord.CheckedInMethod);
+        Assert.NotNull(qrRecord.CheckInAt);
+        Assert.Null(qrRecord.CheckInLatitude);
+
+        var locationRecord = new AttendanceRecord
+        {
+            StudentId = firstStudent.Id,
+            Status = AttendanceStatus.Absent
+        };
+        var locationSheet = new AttendanceSheet
+        {
+            TeachingTaskId = task.Id,
+            Name = "课堂定位签到",
+            AttendanceDate = now,
+            Status = AttendanceSheetStatus.Draft,
+            CheckInMethod = AttendanceCheckInMethod.Location,
+            CheckInStartsAt = now.AddMinutes(-1),
+            CheckInEndsAt = now.AddMinutes(10),
+            TargetLatitude = 39.9m,
+            TargetLongitude = 116.4m,
+            LocationRadiusMeters = 100,
+            Records = [locationRecord]
+        };
+        db.AttendanceSheets.Add(locationSheet);
+        await db.SaveChangesAsync();
+
+        var outsideResult = await studentController.CheckIn(
+            new AttendanceCheckInRequest(
+                locationSheet.Id,
+                null,
+                39.91m,
+                116.4m,
+                8),
+            CancellationToken.None);
+        Assert.IsType<ConflictObjectResult>(outsideResult);
+        Assert.Null(locationRecord.CheckInAt);
+
+        var nearbyResult = await studentController.CheckIn(
+            new AttendanceCheckInRequest(
+                locationSheet.Id,
+                null,
+                39.9001m,
+                116.4m,
+                8),
+            CancellationToken.None);
+        Assert.IsType<OkObjectResult>(nearbyResult);
+        Assert.Equal(AttendanceStatus.Present, locationRecord.Status);
+        Assert.Equal(
+            AttendanceCheckInMethod.Location,
+            locationRecord.CheckedInMethod);
+        Assert.InRange(locationRecord.CheckInDistanceMeters!.Value, 1, 100);
     }
 
     private sealed class AllDataScope : ICurrentUserDataScope
@@ -192,4 +307,14 @@ public sealed class AttendanceControllerTests
             DataScope.All,
             new HashSet<string>([SystemRoles.SuperAdmin]));
     }
+
+    private sealed class StudentDataScope(Guid userId) : ICurrentUserDataScope
+    {
+        public CurrentUserScope Current { get; } = new(
+            userId,
+            "测试学生",
+            null,
+            DataScope.Self,
+            new HashSet<string>([SystemRoles.Student]));
+    }
 }

tests/Jiaowu.Api.Tests/MySqlMigrationTests.cs

@@ -8,7 +8,7 @@ namespace Jiaowu.Api.Tests;
 public sealed class MySqlMigrationTests
 {
     private const string LatestMigration =
-        "20260725120917_ProductionSchemaCompletion";
+        "20260726022634_AttendanceCheckIn";
 
     [Fact]
     public void Production_migration_is_discoverable_and_generates_mysql_sql()
@@ -25,6 +25,8 @@ public sealed class MySqlMigrationTests
         Assert.Contains("CREATE TABLE `GradeItems`", script);
         Assert.Contains("CREATE TABLE `EvaluationSetups`", script);
         Assert.Contains("CREATE TABLE `WarningRules`", script);
+        Assert.Contains("ADD `CheckInMethod` int NOT NULL DEFAULT 1", script);
+        Assert.Contains("CREATE UNIQUE INDEX `IX_AttendanceSheets_CheckInToken`", script);
         Assert.Contains("SET `ExamDate` = DATE(`StartsAt`)", script);
         Assert.Contains("DEFAULT 1", script);
         Assert.DoesNotContain("0001-01-01", script);