Python简易学生管理系统

# 学生类 class Student(object: # 存放学生信息 student_info = {} # 学生初始化方法 def __init__(self,id,name,addr,tel: self.id = id self.name = name self.addr = addr self.tel = tel # 将学生的信息添加到学生信息字典里 self.student_info["学号"] = self.id self.student_info["姓名"] = self.name self.student_info["地址"] = self.addr self.student_info["电话"] = self.tel

import json import student # 管理系统类 class Manager(object: # 展示所有学生信息的方法 def show_all_student(self: with open("students_info.json", mode="r", encoding="utf8" as f: content = json.loads(f.read( if content: print("所有的学生信息如下：" print("#######################################" for stu in content: print(stu print("#######################################" elif len(content == 0: print("Sorry! 一个学生都没有！" # 添加学生的方法 def add_student(self: print("~~~~~~~~~~~~~~~~~~~~将要开始添加学生信息~~~~~~~~~~~~~~~~~~~~~" id = input("请输入学号：" name = input("请输入姓名：" addr = input("请输入地址：" tel = input("请输入电话：" new_student = student.Student(id, name, addr, tel with open("students_info.json", mode="r", encoding="utf8" as f1: content = json.loads(f1.read( new_content = list(content new_content.append(new_student.student_info json_content = json.dumps(new_content with open("students_info.json",mode="w",encoding="utf8" as f2: f2.write(json_content print("~~~~~~~~~~~~~~~~~~~~！添加完成！~~~~~~~~~~~~~~~~~~~~~" # 删除学生的方法 def delete_student(self: print("~~~~~~~~~~~~~~~~~~~~将要开始添加学生信息~~~~~~~~~~~~~~~~~~~~~" id = input("请输入要删除的学生的学号：" with open("students_info.json",mode="r",encoding="utf8" as f: content = list(json.loads(f.read( for item in content: if item["学号"] == id: content.remove(item json_content = json.dumps(content with open("students_info.json", mode="w", encoding="utf8" as f2: f2.write(json_content print("~~~~~~~~~~~~~~~~~~~~！删除成功！~~~~~~~~~~~~~~~~~~~~~" return print("输入的学号不存在！" # 修改学生的方法 def update_student(self: print("~~~~~~~~~~~~~~~~~~~~开始修改学生信息~~~~~~~~~~~~~~~~~~~~~" with open("students_info.json", mode="r", encoding="utf8" as f: text = list(json.loads(f.read( delete_number = input("请输入要修改的学生学号：" for i in text: if i["学号"] == delete_number: new_addr = input("请输入修改后的地址：" new_tel = input("请输入修改后的电话：" i["地址"] = new_addr i["电话"] = new_tel json_text = json.dumps(text with open("students_info.json", mode="w", encoding="utf8" as f2: f2.write(json_text print("~~~~~~~~~~~~~~~~~~~~修改成功~~~~~~~~~~~~~~~~~~~~~" return print("输入的学号不存在！" # 系统启动入口方法 def system_start(self: while True: print("########### 欢迎来到学生管理系统 ############" print("################ 请登录系统 ################" user_name = input("请输入用户名: " pass_word = input(" 请输入密码: " if user_name == "zyh" and pass_word == "123456": print("################ 登陆成功！################" break else: print("登录信息错误，请重新登录！" while True: print("################ 你已经进入学生管理系统 ################" print("###################### 请选择功能 ######################" print("1. 展示所有学生信息" print("2. 添加学生" print("3. 删除学生" print("4. 修改学生" print("5. 退出系统" print("#######################################################" while True: choice = int(input("请输入功能对应的序号（1/2/3/4/5/6）: " if choice == 1: # print("调用展示所有学生信息的方法" self.show_all_student( break elif choice == 2: # print("调用添加学生的方法" self.add_student( break elif choice == 3: # print("调用删除学生的方法" self.delete_student( break elif choice == 4: # print("调用修改学生的方法" self.update_student( break elif choice == 5: print("退出学生管理系统！" return else: print("输入信息不合法，请重新输入！"

import manager



if __name__ == '__main__':

    manager_sys = manager.Manager(
    manager_sys.system_start(

[
  {"学号": "0001", "姓名": "张三", "地址": "北京", "电话": "13244453359"},
  {"学号": "0002", "姓名": "张三2", "地址": "北京", "电话": "13244453359"},
  {"学号": "0003", "姓名": "张三3", "地址": "北京", "电话": "13244453359"},
  {"学号": "0004", "姓名": "张三4", "地址": "北京", "电话": "13244453359"}
]