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# !/usr/bin/env python
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# -*- coding: utf-8 -*-
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# @Time: 2023/11/21 10:04
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# @Author:Lover丶ZZr
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# @FiLe:StudentManage.py
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# @Project:demo
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# @Software:PyCharm
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import json
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# 学生字典，用于保存学生信息
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students = {}
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# 添加学生信息
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def add_student():
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name = input("请输入学生姓名: ")
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id = input("请输入学生学号: ")
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phone = input("请输入学生手机号: ")
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sex = input("请输入学生性别")
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students[id] = {"姓名": name, "性别": sex, "学号": id, "手机号": phone}
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print(f"学生信息添加成功: {name},{sex}, {id}, {phone}")
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# 查询学生信息
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def query_student():
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id = input("请输入要查询的学生学号: ")
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if id in students:
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print(
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f"学生信息: (姓名：{students[id]['姓名']},性别：{students[id]['性别']},学号： {id}, 手机号：{students[id]['手机号']})")
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else:
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print("没有找到该学生信息")
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# 修改学生信息
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def modify_student():
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id = input("请输入要修改的学生学号: ")
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if id in students:
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name = input("请输入新的学生姓名: ")
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phone = input("请输入新的学生手机号: ")
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sex = input("请输入新的学生性别: ")
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students[id] = {"姓名": name, "性别": sex, "学号": id, "手机号": phone}
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print(f"学生信息修改成功: {name},{sex}, {id}, {phone}")
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else:
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print("没有找到该学生信息")
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# 删除学生信息
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def delete_student():
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id = input("请输入要删除的学生学号: ")
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if id in students:
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del students[id]
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print(f"学生信息删除成功: {id}")
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else:
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print("没有找到该学生信息")
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# 显示所有学生信息
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def show_students():
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for student in students.values():
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print(f"姓名: {student['姓名']},性别: {student['性别']} ,学号: {student['学号']},手机号: {student['手机号']}")
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# 保存所有学生信息到一个JSON文件
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def save_students():
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with open("students.json", "w", encoding="utf-8") as f:
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json.dump(students, f, ensure_ascii=False)
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# 通过序号来选择需要使用到的功能
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def main():
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while True:
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print("请输入项目序号选择要执行的操作：")
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print("1. 添加学生信息")
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print("2. 查询学生信息")
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print("3. 修改学生信息")
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print("4. 删除学生信息")
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print("5. 显示学生信息")
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print("6. 保存学生信息")
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print("7. 退出系统")
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choice = input("请输入操作编号: ")
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if choice == "1":
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add_student()
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elif choice == "2":
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query_student()
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elif choice == "3":
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modify_student()
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elif choice == "4":
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delete_student()
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elif choice == "5":
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show_students()
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elif choice == "6":
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save_students()
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elif choice == '7':
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break
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else:
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print("无效选择，请重新选择")
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if __name__ == "__main__":
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main()
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