/// <summary>
/// 显示成绩统计界面
/// </summary>
void ShowScoreCount()
{
ClassStudentDao classStudentDao = new ClassStudentDao();
StudentDao studentDaoDao = new StudentDao();
List <ClassStudentBean> classStudentList = classStudentDao.FindListById(new ClassStudentBean(CourseClass.Id, 0, 0, 0, 0, 0));
if (classStudentList.Count == 0)
{
return;
}
//计算平均分、最高分、最低分、分段统计
int stuId_MaxScore = classStudentList[0].Student_Id;
int stuId_MinScore = classStudentList[0].Student_Id;
int maxScore = classStudentList[0].Score;
int minScore = classStudentList[0].Score;
float avgScore = 0;
int 及格人数 = 0;
int 及格人数 = 0;
int 九十分及以上人数 = 0;
foreach (ClassStudentBean bean in classStudentList)
{
if (bean.Score > maxScore)
{
maxScore = bean.Score;
stuId_MaxScore = bean.Student_Id;
}
if (bean.Score < minScore)
{
minScore = bean.Score;
stuId_MinScore = bean.Student_Id;
}
if (bean.Score >= 90)
{
九十分及以上人数++;
}
else if (bean.Score >= 60)
{
及格人数++;
}
else
{
及格人数++;
}
avgScore += bean.Score;
}
avgScore = avgScore / classStudentList.Count;
//打印
StudentBean stu_maxScore = studentDaoDao.FindById(new StudentBean(stuId_MaxScore));
StudentBean stu_minScore = studentDaoDao.FindById(new StudentBean(stuId_MinScore));
label3.Text = "班级平均分 : " + avgScore;
label4.Text = "班级最高分 : " + maxScore + "(" + stu_maxScore.Name + ")";
label5.Text = "班级最低分 : " + minScore + "(" + stu_minScore.Name + ")";;
label6.Text = "各分段统计 ：不及格人数= " + 及格人数 + " 及格人数= " + 及格人数 + " 九十分及以上人数= " + 九十分及以上人数;
}