CourseGradeService

abstract def getState(lesson: Lesson): CourseGradeState

查询成绩状态

abstract def publish(lessonIds: Array[Long], gradeTypes: Array[GradeType], isPublished: Boolean): Unit

发布或取消发布成绩

abstract def recalculate(gradeState: CourseGradeState): Unit

按照成绩状态，重新计算成绩的
1、首先更改成绩的成绩记录方式
2、score以及是否通过和绩点等项
3、如果成绩状态中发布状态，则进行发布操作

abstract def remove(task: Lesson, gradeType: GradeType): Unit

删除考试成绩
同时将该成绩和总评成绩的教师确认位置为0

final def !=(arg0: Any): Boolean

final def ##(): Int

final def ==(arg0: Any): Boolean

final def asInstanceOf[T0]: T0

def clone(): AnyRef

final def eq(arg0: AnyRef): Boolean

def equals(arg0: Any): Boolean

def finalize(): Unit

final def getClass(): Class[_]

def hashCode(): Int

final def isInstanceOf[T0]: Boolean

final def ne(arg0: AnyRef): Boolean

final def notify(): Unit

final def notifyAll(): Unit

final def synchronized[T0](arg0: ⇒ T0): T0

def toString(): String

final def wait(): Unit

final def wait(arg0: Long, arg1: Int): Unit

final def wait(arg0: Long): Unit