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Python基础|Python基础 - 学生管理系统
all_student = []def create_id():
for x in range(9999):
yield x + 1id = create_id()def select_add():
n = input('请输入：')
if n == '1':
add_student()
elif n == '2':
menu()
else:
print('输入有误！重新输入')
select_add()def add_student():
print('┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓')
print('┃添加学生信息┃')
print('┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛')
class_name = 'py1807'
name = input('姓名：')
age = input('年龄:')
tel = input('电话：')
stuid = next(id)
new_id = str(stuid).rjust(4, '0')
stu_id = class_name + new_id
student = {'name': name, 'age': age, 'tel': tel, 'stu_id': stu_id}
all_student.append(student)
print('1.继续添加')
print('2.返回菜单')
select_add()def query_student():
print('┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓')
print('┃查看学生信息┃')
print('┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛')
print('1.查看所有学生信息')
print('2.按姓名查找')
print('3.按学号查找')
print('4.返回')
n = input('请输入：')def query_all():
if all_student:
for student in all_student:
print(student)
print('')
else:
print('没有学生信息')
print('')
print('1.返回上层')
print('2.返回主菜单')
n = input('请输入：')
if n == '1':
query_student()
elif n == '2':
menu()
else:
print('输入有误')
query_all()def query_name(name):
count = 0
for index in range(len(all_student)):
if all_student[index]['name'] == name:
print(all_student[index])
count += 1
if not count:
print('没有信息')
print('')
print('1.返回上层')
print('2.返回主菜单')
n = input('请输入：')
if n == '1':
query_student()
elif n == '2':
menu()
else:
print('输入有误')
query_name()def query_id(stuid):
if all_student:
count = 0
for index in range(len(all_student)):
if all_student[index]['stu_id'] == stuid:
print(all_student[index])
count += 1
break
if count == 0:
print('没有此学号对应的学生！')
else:
print('没有信息')
print('')
print('1.返回上层')
print('2.返回主菜单')
n = input('请输入：')
if n == '1':
query_student()
elif n == '2':
menu()
else:
print('输入有误')
query_id()
if n == '1':
query_all()
elif n == '2':
name = input('输入要查找的姓名：')
query_name(name)
elif n == '3':
stuid = input('输入要查找的学号：')
query_id(stuid)
elif n == '4':
menu()
else:
print('输入有误，重新输入')
query_student()def del_student():
print('┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓')
print('┃删除学生信息┃')
print('┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛')
print('1.按学号删除')
print('2.按姓名删除')
print('3.返回')def del_student_id():
if all_student:
stuid = input('输入你要删除的学生学号：')
count = 0
for student in all_student:
if student['stu_id'] == stuid:
all_student.remove(student)
print('删除成功！')
count += 1
break
if not count:
print('没有对应学号的学生！')
del_student()
else:
print('没有学生信息')
del_student()def del_student_name():
if all_student:
name = input('输入你要删除的学生的姓名：')
count = 0
for student in all_student:
if student['name'] == name:
count += 1
if count == 1:
for student in all_student:
if student['name'] == name:
all_student.remove(student)
print('删除成功！')
break
elif count > 1:
name_student = []
num = 1
for student in all_student:
if student['name'] == name:
student['no'] = num
name_student.append(student)
num += 1
print('姓名', name, '的学生信息：')
print(name_student)
num2 = int(input('输入要删除的序号：'))
for index in name_student:
if index['no'] == num2:
for student in all_student:
if student['stu_id'] == index['stu_id']:
all_student.remove(student)
print('删除成功！')
break
elif count == 0:
print('没有你要删除的姓名对应的学生！')
del_student()
else:
print('没有学生信息')
del_student()
n = input('请输入：')
if n == '1':
del_student_id()
elif n == '2':
del_student_name()
elif n == '3':
menu()
else:
print('输入有误！')
del_student()def alter_student():
print('┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓')
print('┃修改学生信息┃')
print('┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛')
print('1.按学号修改')
print('2.返回')def alter_student_id():
stuid = input('请输入要修改的学生的学号')
print(stuid)
for student in all_student:
if student['stu_id'] == stuid:
print('将要修改的学生信息：')
print(student)def sele_item():
print('修改项：')
print('1.姓名')
print('2.年龄')
print('3.电话')
print('4.取消修改')
item = input('请输入你想要修改的项：')
if item == '1':
new_name = input('新的姓名：')
print(new_name)
student['name'] = new_name
print('修改姓名成功')
return
elif item == '2':
new_age = input('新的年龄：')
print(new_age)
student['age'] = new_age
print('修改年龄成功')
return
elif item == '3':
new_tel = input('新的电话：')
print(new_tel)
student['tel'] = new_tel
print('修改电话成功')
return
elif item == '4':
alter_student()
else:
print('输入有误！')
sele_item()sele_item()
else:
print('没有此学号的学生！')alter_student()
n = input('请输入')
if n == '1':
alter_student_id()
elif n == '2':
menu()
else:
print('输入有误！')
alter_student()def menu():
print('┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓')
print('┃┃')
print('┃欢迎进入学生信息管理系统┃')
print('┃┃')
print('┣━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┫')
print('┃1.添加学生信息┃')
print('┃2.修改学生信息┃')
print('┃3.删除学生信息┃')
print('┃4.查找学生信息┃')
print('┃5.退出管理系统┃')
print('┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛')
n = input('请输入：')
if n == '1':
add_student()
elif n == '2':
alter_student()
elif n == '3':
del_student()
elif n == '4':
query_student()
elif n == '5':
print('谢谢使用！')
returnmenu()
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