trait CourseGradeService extends AnyRef
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abstract
def
getGpa(std: Student, semesters: Semester*): StdGpa
如果semesters不包含元素或者为null则统计所有学期 否则统计学生的在校semesters所包含的学期的平均绩点
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abstract
def
getGrades(stds: Iterable[Student], semesters: Semester*): Map[Student, Seq[CourseGrade]]
查询一批学生发布的成绩
- abstract def getGrades(std: Student, semesters: Semester*): Seq[CourseGrade]
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abstract
def
getPassedStatus(std: Student): Map[Long, Boolean]
查看学生各个课程的通过状态
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