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student_info = []
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# 定义一个加载已存在的学员信息的方法
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def load_student_info():
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try:
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with open("student_info.txt", "r") as file:
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for line in file:
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name, sex, phone = line.strip().split(",")
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student_info.append({"姓名": name, "性别": sex,"手机号": phone})
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print("学员信息已加载！")
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except FileNotFoundError:
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print("未找到之前保存的学员信息文件，将创建新的文件。")
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# 定义一个保存学员信息到文本文件的方法
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def save_student_info():
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with open("student_info.txt", "w") as file:
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for student in student_info:
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file.write(f"{student['姓名']},{student['性别']},{student['手机号']}\n") #写入信息操作
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print("学员信息已保存到文件！")
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while True:
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load_student_info()
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# 显示主界面
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print("主界面：")
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print("1：添加学员")
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print("2：删除学员")
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print("3：修改学员信息")
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print("4：查询学员信息")
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print("5：显示所有学员信息")
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print("6：保存学员信息")
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print("7：退出系统")
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# 用户输入功能序号
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choice = input("请输入您需要的功能序号：")
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# 1.添加学员
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if choice == "1":
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name = input("请输入学员姓名：")
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sex = input("请输入学员性别：")
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phone = input("请输入学员手机号：")
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student_info.append({"姓名": name, "性别": sex, "手机号": phone})
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print("学员添加成功！")
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# 2.删除学员
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elif choice == "2":
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name = input("请输入要删除的学员姓名：")
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for student in student_info:
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if student["姓名"] == name:
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student_info.remove(student)
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print("学员删除成功！")
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|
break
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else:
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print("未找到该学员！")
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|
|
|
# 3.修改学员信息
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|
elif choice == "3":
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name = input("请输入要修改的学员姓名：")
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|
for student in student_info:
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if student["姓名"] == name:
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new_name = input("请输入新的姓名（留空表示不修改）：")
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new_sex = input("请输入新的年龄（留空表示不修改）：")
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new_phone = input("请输入新的年龄（留空表示不修改）：")
|
|
|
if new_name:
|
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|
student["姓名"] = new_name
|
|
|
if new_sex:
|
|
|
student["年龄"] = new_sex
|
|
|
if new_phone:
|
|
|
student["年龄"] = new_phone
|
|
|
print(f"学员信息修改成功！姓名: {new_name}, 性别: {new_sex}, 手机号: {new_phone}")
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|
|
break
|
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else:
|
|
|
print("未找到该学员！")
|
|
|
|
|
|
# 4.查询学员信息
|
|
|
elif choice == "4":
|
|
|
name = input("请输入要查询的学员姓名：")
|
|
|
for student in student_info:
|
|
|
if student["姓名"] == name:
|
|
|
print("学员信息：", student)
|
|
|
break
|
|
|
else:
|
|
|
print("未找到该学员！")
|
|
|
|
|
|
# 5.显示所有学员信息
|
|
|
elif choice == "5":
|
|
|
print("所有学员信息：", student_info)
|
|
|
|
|
|
# 6.保存学员信息
|
|
|
elif choice == "6":
|
|
|
save_student_info()
|
|
|
print("学员信息已保存！")
|
|
|
|
|
|
# 7.退出系统
|
|
|
elif choice == "7":
|
|
|
print("已退出学生信息管理系统！")
|
|
|
break
|
|
|
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|
|
# 处理无效输入
|
|
|
else:
|
|
|
print("无效的功能序号，请重新输入！")
|
