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Added selectFromAttendance(long stuID, long courID)

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Fat Snake
2022-06-12 20:08:05 +08:00
parent a6dae2b772
commit 4f3eed5cd2
2 changed files with 35 additions and 0 deletions
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12
Library/src/main/java/com/cfive/classroom/library/database/DatabaseHelper.java
View File

@@ -726,6 +726,18 @@ public class DatabaseHelper {
return AttendanceOA.select(attID);
}
/**
* 通过学生编号和课程编号查询考勤
*
* @param stuID 学生编号
* @param courID 课程编号
* @return <code>Attendance</code> 考勤类
* @see Attendance
*/
public static Attendance selectFromAttendance(long stuID, long courID) throws NoConfigException, SQLException {
return AttendanceOA.select(stuID, courID);
}
/**
* 插入考勤
*

23
Library/src/main/java/com/cfive/classroom/library/database/operation/AttendanceOA.java
View File

@@ -60,6 +60,29 @@ public class AttendanceOA {
return null;
}
public static Attendance select(long stuID, long courID) throws SQLException, NoConfigException {
String sql = "SELECT attID,attTime,attStatus,student.stuID,stuName,stuGender,student.passwd,student.salt,class.classID,grade,classNum,major.majorID,majorName,course.courID,courTimeFrom,courTimeEnd,subject.subID,subName,teacher.tchID,tchName,tchGender,teacher.passwd,teacher.salt,faculty.facID,facName FROM attendance,student,class,major,course,subject,teacher,faculty where attendance.courID=course.courID AND attendance.stuID=student.stuID AND class.classID=student.classID AND class.majorID=major.majorID AND major.facID=faculty.facID AND course.subID=subject.subID AND course.tchID=teacher.tchID AND teacher.facID=faculty.facID AND attendance.stuID=? AND attendance.courID=?";
try (Connection connection = PoolHelper.getConnection()) {
try (PreparedStatement preparedStatement = connection.prepareStatement(sql)) {
preparedStatement.setLong(1, stuID);
preparedStatement.setLong(2, courID);
try (ResultSet resultSet = preparedStatement.executeQuery()) {
if (resultSet.next()) {
Subject subject = new Subject(resultSet.getInt("subID"), resultSet.getString("subName"));
Faculty faculty = new Faculty(resultSet.getInt("facID"), resultSet.getString("facName"));
Teacher teacher = new Teacher(resultSet.getLong("tchID"), resultSet.getString("tchName"), resultSet.getString("tchGender").equals("m") ? Gender.m : Gender.f, faculty, resultSet.getString("teacher.passwd"), resultSet.getString("teacher.salt"));
Course course = new Course(resultSet.getLong("courID"), subject, teacher, LocalDateTime.ofEpochSecond(resultSet.getTimestamp("courTimeFrom").getTime() / 1000, 0, ZoneOffset.of("+8")), LocalDateTime.ofEpochSecond(resultSet.getTimestamp("courTimeEnd").getTime() / 1000, 0, ZoneOffset.of("+8")));
Major major = new Major(resultSet.getInt("majorID"), resultSet.getString("majorName"), faculty);
AClass aClass = new AClass(resultSet.getLong("classID"), major, resultSet.getInt("grade"), resultSet.getInt("classNum"));
Student student = new Student(resultSet.getLong("stuID"), resultSet.getString("stuName"), resultSet.getString("stuGender").equals("m") ? Gender.m : Gender.f, aClass, resultSet.getString("student.passwd"), resultSet.getString("student.salt"));
return new Attendance(resultSet.getString("attID"), course, student, resultSet.getTimestamp("attTime") == null ? null : LocalDateTime.ofEpochSecond(resultSet.getTimestamp("attTime").getTime() / 1000, 0, ZoneOffset.of("+8")), AttStatus.fromString(resultSet.getString("attStatus")));
}
}
}
}
return null;
}
public static Attendance insert(long courID, long stuID, @Nullable LocalDateTime attTime, AttStatus attStatus) throws NoConfigException, SQLException, AlreadyExistsException, DependenciesNotFoundException, InsertException {
if (!CourseOA.isExists(courID) || !StudentOA.isExists(stuID)) throw new DependenciesNotFoundException();