本文实例为大家分享了python实现学生管理系统的具体代码，供大家参考，具体内容如下
一.面向过程版
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import osstu_list = []def show_menu(): print('1.添加学生') print('2.删除学生') print('3.修改学生信息') print('4.查询单个学生信息') print('5.查询所有学生信息') print('6.退出系统')def insert_student(): name = input('请输入学生名字:') for stu in stu_list: if stu['name'] == name: print('.........学生信息已存在........') return age = input('请输入学生年龄:') gender = input('请输入学生性别:') stu_dict = {'name': name, 'age': int(age), 'gender': gender} stu_list.append(stu_dict) print("学生信息添加成功!")def remove_student(): name = input('请输入要操作的学生的名字:') for stu in stu_list: if stu['name'] == name: stu_list.remove(stu) print('删除成功!') break else: print('........该学生信息不存在,无法删除.........')def modify_student(): name = input('请输入要操作的学生的名字:') for stu in stu_list: if stu['name'] == name: stu['age'] = int(input('请输入新的年龄:')) print('修改成功!') break else: print('........该学生信息不存在,无法修改.........')def search_student(): name = input('请输入要操作的学生的名字:') for stu in stu_list: if stu['name'] == name: print(f'姓名:{stu["name"]},年龄:{stu["age"]},性别:{stu["gender"]}') break else: print('........该学生信息不存在.......')def show_all_stu(): if len(stu_list): for stu in stu_list: print(f'姓名:{stu["name"]},年龄:{stu["age"]},性别:{stu["gender"]}') else: print("目前没有学生信息!")def save(): f = open('student.txt', 'w') f.write(str(stu_list)) f.close()def read_file(): global stu_list if os.path.exists('student.tct'): f = open('student.txt', 'r', encoding='utf-8') buf = f.read() if buf: stu_list = eval(buf) f.close()def main(): read_file() while True: show_menu() opt = input('请输入用来选择的编号:') if opt == '1': print('1.添加学生') insert_student() elif opt == '2': print('2.删除学生') remove_student() elif opt == '3': print('3.修改单个学生信息') modify_student() elif opt == '4': print('查询单个学生信息') search_student() elif opt == '5': print('5.查询所有学生信息') show_all_stu() elif opt == '6': print('欢迎下次使用本系统') save() break else: print('输入有误，请重新输入') continue input('........回车键继续操作........')main() |
二.面向对象版
1.工程文件
2.main.py
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import student_manage_sysytem as smsif __name__ == '__main__': stu_sms = sms.StudenManagerSystem() stu_sms.start() |
3.student.py
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class Student(): def __init__(self, stu_id, name, age, gender): self.sut_id = stu_id self.name = name self.age = age self.gender = gender def __str__(self): return f"{self.sut_id},{self.name},{self.age},{self.gender}" |
4.student_manage_system.py
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import studentclass StudenManagerSystem(): def __init__(self): self.stu_dict = {} @staticmethod def __show_menu(): print('1.添加学生') print('2.删除学生') print('3.修改学生信息') print('4.查询单个学生信息') print('5.查询所有学生信息') print('6.退出系统') def __insert_student(self): stu_id = input('请输入学生学号:') if stu_id in self.stu_dict: print('学生信息已经存在，不需要重复添加') return name = input('请输入学生名字:') age = input('请输入学生年龄:') gender = input('请输入学生性别:') stu = student.Student(stu_id, name, age, gender) self.stu_dict[stu_id] = stu def __removw_student(self): stu_id = input('请输入学号:') if stu_id in self.stu_dict: del self.stu_dict[stu_id] print('学生已经删除') else: print('学生信息不存在，无法删除') def __modify_student(self): stu_id = input('请输入学号:') if stu_id in self.stu_dict: stu = self.stu_dict[stu_id] stu.age = input('请输入新的年龄:') print('信息已经修改完毕') else: print('学生信息不存在，无法修改') def __search_student(self): stu_id = input('请输入学号:') if stu_id in self.stu_dict: stu = self.stu_dict[stu_id] print(stu) else: print('学生信息不存在') def __save(self): f = open('student.txt', 'w', encoding='utf-8') for stu in self.stu_dict.values(): f.write(str(stu) + '\n') f.close() def __load_info(self): try: f = open('student.txt', 'r', encoding='utf-8') buf_list = f.readlines() for buf in buf_list: buf = buf.strip() info_list = buf.split(',') stu = student.Student(*info_list) stu_id = info_list[0] self.stu_dict[stu_id] = stu f.close() except Exception: pass def __show_all_info(self): for stu in self.stu_dict.values(): print(stu) def start(self): self.__load_info() while True: self.__show_menu() opt = input('请输入用来选择的编号:') if opt == '1': print('1.添加学生') self.__insert_student() elif opt == '2': print('2.删除学生') self.__removw_student() elif opt == '3': print('3.修改单个学生信息') self.__modify_student() elif opt == '4': print('查询单个学生信息') self.__search_student() elif opt == '5': print('5.查询所有学生信息') self.__show_all_info() elif opt == '6': self.__save() print('欢迎下次使用本系统') break else: print('输入有误，请重新输入') continue input('........回车键继续操作........') |
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://blog.csdn.net/qq_50216270/article/details/112914099
