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130 lines
3.4 KiB
130 lines
3.4 KiB
import os
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L=[]
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def menu():
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while True:
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print("-----------学生管理系统-----------")
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print("请选择如下功能")
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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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print("------------版本号1.0------------")
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info= eval(input("\n请输入您需要的功能序号："))
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if info == 1:
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add()
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elif info == 2:
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delete()
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elif info == 3:
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modify()
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elif info == 4:
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search()
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elif info == 5:
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prin()
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elif info == 6:
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save_stu()
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else:
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print("感谢您的使用，欢迎下次再来！")
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exit()
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def add():
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dict1 = {}
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sName = input("请输入学生姓名：")
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sAge = eval(input("请输入学生年龄："))
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sNumber = eval(input("请输入学生学号："))
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tele_num = eval(input("请输入手机号码："))
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dict1["name"] = sName
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dict1["age"] = sAge
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dict1["sNumber"] = sNumber
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dict1["tele_num"] = tele_num
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L.append(dict1)
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print("增加成功")
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input("按任意键返回菜单")
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def modify():
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num = eval(input("请输入学生学号："))
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index1 = -1
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for i,dict in enumerate(L):
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if dict.get("sNumber") == num:
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index1 = i
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break
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if index1 != -1:
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L[index1]['name'] = input("请输入新的姓名：")
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L[index1]['age'] = eval(input("请输入新的年龄："))
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L[index1]['sNumber'] = eval(input("请输入新的学号："))
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L[index1]['tele_num'] = eval(input("请输入新的手机号："))
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print("修改成功")
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else:
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print("无此学生")
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input("按任意键返回菜单")
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def delete():
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num = eval(input("请输入要删除学生的学号："))
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index1 = -1
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for i, dict in enumerate(L):
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if dict.get("sNumber") == num:
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index1 = i
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break
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if index1 != -1:
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del L[index1]
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print("删除成功")
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else:
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print("无此学生")
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input("按任意键返回菜单")
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def search():
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num = eval(input("请输入要查询学生的学号："))
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index1 = -1
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for i, dict in enumerate(L):
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if dict.get("sNumber") == num:
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index1 = i
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break
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if index1 != -1:
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print("姓名：%s 年龄：%d 学号：%d 手机号码：%d" % (L[index1]["name"], L[index1]["age"], \
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L[index1]["sNumber"], L[index1]["tele_num"]))
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else:
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print("无此学生")
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input("按任意键返回菜单")
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def prin():
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if len(L) == 0:
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print("无成员")
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else:
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for dict1 in L:
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print("姓名：%s 年龄：%d 学号：%d 手机号码：%d"%(dict1["name"], dict1["age"],\
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dict1["sNumber"], dict1["tele_num"]))
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input("按任意键返回菜单")
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def save_stu():
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students = str(L)
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with open("students.txt", "w", encoding="utf-8") as f:
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f.write(students)
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print("保存成功！文件位置在"+os.getcwd())
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if __name__ == '__main__':
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menu()
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