用Python编写一个学生管理系统 python 1.学生成绩管理系统分为三个用户角色，登录界面
用Python编写一个学生管理系统
python
1.学生成绩管理系统分为三个用户角色，登录界面可以选择三种不同的角色进行登录系统
2.管理员角色登录系统可以有以下功能：
管理考试信息：可以对考试批次信息进行增删改查操作
管理教师信息：可以对教师个人信息进行增删改查操作，包括教师的姓名/所属班级/生日/性别/登录密码/家庭住址身份证等信息
管理班级信息：可以对班级名称信息进行增删改查操作
管理学生信息：可以对学生个人信息进行增删改查操作，包括教师的姓名/所属班级/生日/性别/登录密码/家庭住址身份证等信息
查看学生成绩：可以查看学生的所属班级，考试批次，姓名，科目，成绩信息
管理课程信息：可以添加课程，也可以从编辑删除操作
管理专业信息：可以添加专业，也可以从编辑删除操作
注销退出系统
3.教师登录系统可以拥有以下功能：
教师个人信息：可以查看自己的个人信息，可以编辑修改自己的信息
教师录入成绩：可以录入学生的成绩：包含学生的所属班级，考试批次，姓名，科目，成绩，可以编辑删除操作
教师查看班级：可以查看现在的班级情况
教师查看专业：可以查看现在的专业情况
修改密码：可以修改个人的登录密码功能
注销退出系统
4.学生登录系统可以拥有以下功能：
学生个人信息：可以查看自己的个人信息，可以编辑自己的信息
学生查看成绩：可以查看学生的成绩，包含班级，考试批次，姓名成绩等属性，也可以按照考试批次快速检索学生信息
学生成绩排名：可以按照成绩高低排名进行查看
学生选择课程：可以添加学生自己的选课信息，可以编辑删除操作
修改密码：可以修改个人的登录密码功能
注销退出系统
以下是一个简单的学生管理系统的Python代码示例：
```python
class Student:
def __init__(self, name, grade, birthday, gender, password, address, id_number):
self.name = name
self.grade = grade
self.birthday = birthday
self.gender = gender
self.password = password
self.address = address
self.id_number = id_number
self.courses = []
def add_course(self, course):
self.courses.append(course)
def delete_course(self, course):
self.courses.remove(course)
def edit_info(self, name, grade, birthday, gender, password, address, id_number):
self.name = name
self.grade = grade
self.birthday = birthday
self.gender = gender
self.password = password
self.address = address
self.id_number = id_number
class Teacher:
def __init__(self, name, class_name, birthday, gender, password, address, id_number):
self.name = name
self.class_name = class_name
self.birthday = birthday
self.gender = gender
self.password = password
self.address = address
self.id_number = id_number
def edit_info(self, name, class_name, birthday, gender, password, address, id_number):
self.name = name
self.class_name = class_name
self.birthday = birthday
self.gender = gender
self.password = password
self.address = address
self.id_number = id_number
def add_grade(self, student, exam_batch, subject, grade):
# Add student's grade for a specific exam batch and subject
pass
def delete_grade(self, student, exam_batch, subject):
# Delete student's grade for a specific exam batch and subject
pass
def view_class(self):
# View information about the current class
pass
def view_major(self):
# View information about the current major
pass
class Administrator:
def __init__(self, name, birthday, gender, password, address, id_number):
self.name = name
self.birthday = birthday
self.gender = gender
self.password = password
self.address = address
self.id_number = id_number
def add_exam_batch(self, exam_batch):
# Add an exam batch
pass
def delete_exam_batch(self, exam_batch):
# Delete an exam batch
pass
def edit_exam_batch(self, exam_batch):
# Edit exam batch information
pass
def add_teacher(self, teacher):
# Add a teacher
pass
def delete_teacher(self, teacher):
# Delete a teacher
pass
def edit_teacher(self, teacher):
# Edit teacher information
pass
def add_class(self, class_name):
# Add a class
pass
def delete_class(self, class_name):
# Delete a class
pass
def edit_class(self, class_name):
# Edit class information
pass
def add_student(self, student):
# Add a student
pass
def delete_student(self, student):
# Delete a student
pass
def edit_student(self, student):
# Edit student information
pass
def view_student_grade(self, student):
# View a student's grade
pass
def add_course(self, course):
# Add a course
pass
def delete_course(self, course):
# Delete a course
pass
def add_major(self, major):
# Add a major
pass
def delete_major(self, major):
# Delete a major
pass
def logout(self):
# Logout from the system
pass
def login():
role = input("Please select a role: 1. Administrator 2. Teacher 3. Student")
if role == "1":
# Administrator login
admin_name = input("Please enter your name: ")
password = input("Please enter your password: ")
# Verify administrator's credentials and create an Administrator object
elif role == "2":
# Teacher login
teacher_name = input("Please enter your name: ")
password = input("Please enter your password: ")
# Verify teacher's credentials and create a Teacher object
elif role == "3":
# Student login
student_name = input("Please enter your name: ")
password = input("Please enter your password: ")
# Verify student's credentials and create a Student object
else:
print("Invalid input. Please try again.")
login()
# Main program
login()
```
