python 学生考勤管理系统

一个简单的学生考勤管理系统可以包含以下功能：

1. 学生信息管理：包括学生的基本信息、班级信息等。

2. 考勤信息管理：包括学生的签到、请假、旷课等考勤信息的管理。

3. 数据统计功能：可以对学生的考勤情况进行统计分析，生成报表等。

4. 用户权限管理：管理员可以设置不同用户的权限，保证安全性和数据的完整性。

5. 界面友好：设计一个简洁、易用的图形界面，方便用户进行操作。

下面是一个简单的 Python 学生考勤管理系统的示例代码：

import csv

class Student:
    def __init__(self, name, id, gender, class_name):
        self.name = name
        self.id = id
        self.gender = gender
        self.class_name = class_name
        self.attendence = []
    
    def __str__(self):
        return f"{self.name}({self.id})"
    
    def add_attendence(self, attendence):
        self.attendence.append(attendence)

class Attendence:
    def __init__(self, student_id, date, status):
        self.student_id = student_id
        self.date = date
        self.status = status
    
    def __str__(self):
        return f"{self.student_id} {self.date} {self.status}"

class StudentManager:
    def __init__(self):
        self.students = []
    
    def add_student(self, student):
        self.students.append(student)
    
    def get_student_by_id(self, id):
        for student in self.students:
            if student.id == id:
                return student
        return None
    
    def get_all_students(self):
        return self.students
    
    def save_to_file(self, filename):
        with open(filename, mode='w', newline='') as file:
            writer = csv.writer(file)
            writer.writerow(["Name", "ID", "Gender", "Class"])
            for student in self.students:
                writer.writerow([student.name, student.id, student.gender, student.class_name])

    def load_from_file(self, filename):
        with open(filename, mode='r') as file:
            reader = csv.DictReader(file)
            for row in reader:
                student = Student(row["Name"], row["ID"], row["Gender"], row["Class"])
                self.add_student(student)
    
class AttendenceManager:
    def __init__(self):
        self.attendences = []
    
    def add_attendence(self, attendence):
        self.attendences.append(attendence)
    
    def get_attendences_by_id(self, id):
        return [attendence for attendence in self.attendences if attendence.student_id == id]
    
    def get_all_attendences(self):
        return self.attendences
    
    def save_to_file(self, filename):
        with open(filename, mode='w', newline='') as file:
            writer = csv.writer(file)
            writer.writerow(["Student ID", "Date", "Status"])
            for attendence in self.attendences:
                writer.writerow([attendence.student_id, attendence.date, attendence.status])
    
    def load_from_file(self, filename):
        with open(filename, mode='r') as file:
            reader = csv.DictReader(file)
            for row in reader:
                attendence = Attendence(row["Student ID"], row["Date"], row["Status"])
                self.add_attendence(attendence)

class App:
    def __init__(self):
        self.student_manager = StudentManager()
        self.attendence_manager = AttendenceManager()
    
    def add_student(self, name, id, gender, class_name):
        student = Student(name, id, gender, class_name)
        self.student_manager.add_student(student)
    
    def add_attendence(self, student_id, date, status):
        attendence = Attendence(student_id, date, status)
        self.attendence_manager.add_attendence(attendence)
        student = self.student_manager.get_student_by_id(student_id)
        student.add_attendence(attendence)
    
    def save_to_file(self, student_filename, attendence_filename):
        self.student_manager.save_to_file(student_filename)
        self.attendence_manager.save_to_file(attendence_filename)
    
    def load_from_file(self, student_filename, attendence_filename):
        self.student_manager.load_from_file(student_filename)
        self.attendence_manager.load_from_file(attendence_filename)

if __name__ == "__main__":
    app = App()
    app.add_student("张三", "001", "男", "一班")
    app.add_student("李四", "002", "女", "一班")
    app.add_attendence("001", "2021-01-01", "出勤")
    app.add_attendence("001", "2021-01-02", "请假")
    app.add_attendence("002", "2021-01-01", "出勤")
    app.add_attendence("002", "2021-01-02", "旷课")

    app.save_to_file("students.csv", "attendences.csv")

    app2 = App()
    app2.load_from_file("students.csv", "attendences.csv")
    students = app2.student_manager.get_all_students()
    for student in students:
        print(student)
        attendences = app2.attendence_manager.get_attendences_by_id(student.id)
        for attendence in attendences:
            print(attendence)