python面向对象课程设计: 基于Python的学生管理系统

环境: python3.10

lightly在线预览

import re
class Student:
    def __init__(self, name, age, gender, student_id):
        self.name = name
        self.age = age
        self.gender = gender
        self.student_id = student_id

    def __str__(self):
        return f"{self.name}, {self.age}, {self.gender}, {self.student_id}"

class StudentManagementSystemCLI:
    def __init__(self):
        self.student_list = []

    def menu(self):
        print("\n学生管理系统菜单：")
        print("1. 添加学生")
        print("2. 更新学生信息")
        print("3. 删除学生")
        print("4. 查找学生")
        print("5. 显示所有学生")
        print("6. 模糊搜索学生")
        print("7. 数据分析")
        print("8. 退出")

    def add_student(self):
        name = input("请输入姓名：")
        age = input("请输入年龄：")
        gender = input("请输入性别：")
        student_id = input("请输入学号：")

        new_student = Student(name, age, gender, student_id)
        self.student_list.append(new_student)
        print("学生已成功添加到系统！")

    def update_student(self):
        student_id = input("请输入要更新的学生学号：")
        for student in self.student_list:
            if student.student_id == student_id:
                student.name = input("请输入新的姓名：")
                student.age = input("请输入新的年龄：")
                student.gender = input("请输入新的性别：")
                print("学生信息已更新！")
                break
        else:
            print("未找到该学生，请检查学号。")

    def delete_student(self):
        student_id = input("请输入要删除的学生学号：")
        for index, student in enumerate(self.student_list):
            if student.student_id == student_id:
                self.student_list.pop(index)
                print("学生已从系统中删除！")
                break
        else:
            print("未找到该学生，请检查学号。")

    def search_student(self):
        student_id = input("请输入要查找的学生学号：")
        for student in self.student_list:
            if student.student_id == student_id:
                print(f"学生信息：姓名：{student.name}，年龄：{student.age}，性别：{student.gender}，学号：{student.student_id}")
                break
        else:
            print("未找到该学生，请检查学号。")

    def display_students(self):
        print("\n所有学生信息：")
        for student in self.student_list:
            print(f"姓名：{student.name}，年龄：{student.age}，性别：{student.gender}，学号：{student.student_id}")
    def search_student_fuzzy(self):
        keyword = input("请输入要查找的关键词（支持模糊搜索）：")
        pattern = re.compile(keyword, re.IGNORECASE)
        found = False
        for student in self.student_list:
            if pattern.search(student.name) or pattern.search(student.student_id):
                print(f"学生信息：姓名：{student.name}，年龄：{student.age}，性别：{student.gender}，学号：{student.student_id}")
                found = True
        if not found:
            print("未找到与关键词匹配的学生。")

    def analyze_data(self):
        age_count = {}
        gender_count = {"M": 0, "F": 0}
        for student in self.student_list:
            age = int(student.age)
            if age in age_count:
                age_count[age] += 1
            else:
                age_count[age] = 1
            if student.gender.upper() == "M":
                gender_count["M"] += 1
            elif student.gender.upper() == "F":
                gender_count["F"] += 1

        print("\n年龄分布：")
        for age, count in age_count.items():
            print(f"{age} 岁：{count} 人")
        print("\n性别比例：")
        print(f"男生：{gender_count['M']} 人")
        print(f"女生：{gender_count['F']} 人")

    def run(self):
        while True:
            self.menu()
            choice = input("\n请选择功能（输入数字）：")

            if choice == "1":
                self.add_student()
            elif choice == "2":
                self.update_student()
            elif choice == "3":
                self.delete_student()
            elif choice == "4":
                self.search_student()
            elif choice == "5":
                self.display_students()
            elif choice == "6":
                self.search_student_fuzzy()
            elif choice == "7":
                self.analyze_data()
            elif choice == "8":
                print("谢谢使用，再见！")
                break
            else:
                print("无效的输入，请重新选择。")

if __name__ == "__main__":
    app = StudentManagementSystemCLI()
    app.run()

私我可定制