要實(shí)現(xiàn)學(xué)生成績管理系統(tǒng),可以使用C#語言結(jié)合數(shù)據(jù)庫來開發(fā)。下面是一個簡單的示例代碼來實(shí)現(xiàn)學(xué)生成績管理系統(tǒng):
public class Student
{
public int StudentId { get; set; }
public string Name { get; set; }
public List<int> Grades { get; set; }
}
public class GradeManagementSystem
{
private List<Student> students;
public GradeManagementSystem()
{
students = new List<Student>();
}
public void AddStudent(Student student)
{
students.Add(student);
}
public void AddGrade(int studentId, int grade)
{
var student = students.FirstOrDefault(s => s.StudentId == studentId);
if (student != null)
{
student.Grades.Add(grade);
}
}
public double GetAverageGrade(int studentId)
{
var student = students.FirstOrDefault(s => s.StudentId == studentId);
if (student != null)
{
return student.Grades.Average();
}
return 0;
}
}
class Program
{
static void Main(string[] args)
{
GradeManagementSystem gradeManagementSystem = new GradeManagementSystem();
Student student1 = new Student { StudentId = 1, Name = "Alice", Grades = new List<int>() };
gradeManagementSystem.AddStudent(student1);
gradeManagementSystem.AddGrade(1, 85);
gradeManagementSystem.AddGrade(1, 90);
double averageGrade = gradeManagementSystem.GetAverageGrade(1);
Console.WriteLine("Average grade for student 1: " + averageGrade);
}
}
通過以上代碼,你可以實(shí)現(xiàn)一個簡單的學(xué)生成績管理系統(tǒng)。你可以根據(jù)實(shí)際需求對代碼進(jìn)行擴(kuò)展和優(yōu)化,例如添加更多的功能,如查詢學(xué)生成績、更新學(xué)生成績等。