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94 lines
2.5 KiB
94 lines
2.5 KiB
stu_list=[]
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def menu():
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print("1.添加学生")
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print("2.删除学生")
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print("3.修改学生信息")
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print("4.查询学生信息")
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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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def add_student():#添加学生信息
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name = input('请输入学生姓名：')
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# -----------
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for i in stu_list:
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if i['name'] == name:
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print('学生信息已存在')
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return
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gender= input("请输入学生性别：")
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phone=input("请输入学生电话：")#加入信息
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stu_dict= { 'name': name, 'gender': gender,'phone':phone}
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stu_list.append(stu_dict)
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print()
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def remove_student():#删除学生信息
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name=input('请输入要删除学生姓名:')
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for i in stu_list:
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if i['name'] == name:
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stu_list.remove(i)
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print('学生信息删除成功')
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return
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else:
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print('该学生信息不存在，无法删除')
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def modify_student():
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name=input('请输入要修改学生姓名：')
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for i in stu_list:
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if i['name'] == name:
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i['gender']=input('请输入修改性别：')
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i['phone']=int(input('请输入电话：'))
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print('修改成功')
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return
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else:
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print('该学生信息不存在，无法修改')
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def search_student():
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name=input('请输入学生姓名：')
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for i in stu_list:
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if i['name'] == name:
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print(f'姓名:{i["name"]},性别:{i["gender"]},电话:{i["phone"]}')
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return
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else:
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print('该学生信息不存在，无法查询-------------------')
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def show_student():
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if len(stu_list)>0:
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for i in stu_list:
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print(f'名字：{i["name"]},性别：{i["gender"]},电话：{i["phone"]}')
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else:
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print("没有此学生信息")
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def save():
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#打开文件
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f=open('stydent.txt','w',encoding='utf-8')
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f.write(str(stu_list))
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f.close()
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print("保存成功")
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while True:
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num=eval(input("请输入序号:"))
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if num==1:
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add_student()
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elif num==2:
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remove_student()
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elif num==3:
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modify_student()
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elif num==4:
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search_student()
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elif num==5:
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show_student()
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elif num==6:
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save()
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elif num==7:
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print('退出系统，欢迎下次使用')
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save()
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break
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else:
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print("输入有误，请再次输入")
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continue
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input('======回车键继续操作======')
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