org.openurp.edu.grade.course.service

GpaService

Related Doc: package service

trait GpaService extends AnyRef

平均绩点计算服务

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  1. abstract def calcGpa(std: Student, semester: Semester): Float

    统计学生的平均绩点
    除"学生"之外的其他参数均为可选参数。
    平均绩点为: gpa=(∑(绩点*学分))/∑(学分) 平均绩点以截断的方式保留后面两位

    统计学生的平均绩点
    除"学生"之外的其他参数均为可选参数。
    平均绩点为: gpa=(∑(绩点*学分))/∑(学分) 平均绩点以截断的方式保留后面两位

    semester

    可以为null

  2. abstract def calcGpa(std: Student, grades: Iterable[CourseGrade]): Float

    统计学生的平均绩点
    平均绩点为: gpa=(∑(绩点*学分))/∑(学分) 平均绩点以截断的方式保留后面两位

  3. abstract def calcGpa(std: Student): Float

    统计学生的在校所有学期的平均绩点

    统计学生的在校所有学期的平均绩点

         平均绩点为: gpa=(∑(绩点*学分))/∑(学分)
         平均分为: ga=(∑(得分*学分))/∑(学分)
    

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