简单的学生管理系统
代码示例
"""
学生管理系统：
"""
snos = 1800
student = []
def cai_dan():
print('===============================')
print('| 欢迎来到学生管理系统 |')
print('===============================')
print('| 1.添加学生 |')
print('| 2.查看学生信息 |')
print('| 3.删除学生信息 |')
print('| 4.求指定的学生平均成绩 |')
print('| 5.退出 |')
print('===============================')
n = int(input('请选择:'))
return n
def print_student(student):
print('===================================================================')
print('| 学号 | 姓名 | 年龄 | 电话号码 | 英语 | 体育 | 美术 | 数学 |')
print('===================================================================')
for students in student:
print('|', students['sno'], '| ', students['name'], '| ', students['age'], ' | ',
students['tel'], ' | ', students['escore'], ' | ', students['pscore'], '| ',
students['ascore'], ' | ', students['mscore'], ' |')
print('===================================================================')
def add_student(student, snos):
while 1:
news = {}
sno = 'py' + str(snos)
name = input('请输入学生姓名:')
age = input('请输入学生年龄:')
tel = input('请输入学生电话号码:')
# 英语、体育、美术、数学
escore = int(input('请录入英语成绩:'))
pscore = int(input('请录入体育成绩:'))
ascore = int(input('请录入美术成绩:'))
mscore = int(input('请录入数学成绩:'))
news['sno'] = sno
news['name'] = name
news['age'] = age
news['tel'] = tel
news['escore'] = escore
news['pscore'] = pscore
news['ascore'] = ascore
news['mscore'] = mscore
student.append(news)
print('添加成功!')
snos += 1
print_student(student)
print('1.继续添加')
print('0.返回菜单')
n = int(input('请选择:'))
if n == 0:
return
def cha_zhao_student(student):
while 1:
print('1.查看全班学生信息')
print('2.查看个人学生信息')
print('3.返回菜单')
n = int(input('请选择：'))
if student == []:
print('该班级还没有学生，请添加！')
print('1.是否添加')
print('0.返回菜单')
n = int(input('请选择:'))
if n == 0:
add_student()
return
if n == 1:
print('全班学生信息:')
print_student(student)
elif n == 2:
print('1.按学号查找')
print('2.按姓名查找')
n = int(input('请选择：'))
if n == 1:
sno = input('请输入你要查找的学生的学号:')
print('学生信息为:')
print('===================================================================')
print('| 学号 | 姓名 | 年龄 | 电话号码 | 英语 | 体育 | 美术 | 数学 |')
print('===================================================================')
true = 0
for students in student:
if students['sno'] == sno:
print('|', students['sno'], '| ', students['name'], '| ', students['age'], ' | ',
students['tel'], ' | ', students['escore'], ' | ', students['pscore'], '| ',
students['ascore'], ' | ', students['mscore'], ' |')
print('===================================================================')
true += 1
if true == 0:
print('没有你要查找的人！')
else:
name = input('请输入你要查找的学生的姓名:')
print('学生信息为:')
print('===================================================================')
print('| 学号 | 姓名 | 年龄 | 电话号码 | 英语 | 体育 | 美术 | 数学 |')
print('===================================================================')
true = 0
for students in student:
if students['name'] == name:
print('|', students['sno'], '| ', students['name'], '| ', students['age'], ' | ',
students['tel'], ' | ', students['escore'], ' | ', students['pscore'], '| ',
students['ascore'], ' | ', students['mscore'], ' |')
print('===================================================================')
true += 1
if true == 0:
print('没有你要查找的人！')
else:
return
print('1.继续查找')
print('0.返回菜单')
n = int(input('请选择:'))
if n == 0:
return
def delete_student(student):
while 1:
print('1.按学号查找')
print('2.按姓名查找')
print('3.返回菜单')
n = int(input('请选择：'))
if n == 1:
sno = input('请输入你要删除的学生的学号:')
print('===================================================================')
print('| 学号 | 姓名 | 年龄 | 电话号码 | 英语 | 体育 | 美术 | 数学 |')
print('===================================================================')
true = 0
for students in student:
new = [true]
if students['sno'] == sno:
print('|', students['sno'], '| ', students['name'], '| ', students['age'], ' | ',
students['tel'], ' | ', students['escore'], ' | ', students['pscore'], '| ',
students['ascore'], ' | ', students['mscore'], ' |')
print('===================================================================')
true += 1
new.append(students)
if true:
print('===================================================================')
print('| 学号 | 姓名 | 年龄 | 电话号码 | 英语 | 体育 | 美术 | 数学 |')
print('===================================================================')
print('|', new[true]['sno'], '| ', new[true]['name'], '| ', new[true]['age'], ' | ',
new[true]['tel'], ' | ', new[true]['escore'], ' | ', new[true]['pscore'], '| ',
new[true]['ascore'], ' | ', new[true]['mscore'], ' |')
print('===================================================================')
print('是否确认删除? 1.是 2.否')
n = int(input('请选择:'))
if n == 1:
student.remove(new[true])
print("删除成功!")
else:
print('没有你要查找的人！')
elif n == 2:
name = input('请输入你要删除的学生的姓名:')
print(' ===================================================================')
print(' | 学号 | 姓名 | 年龄 | 电话号码 | 英语 | 体育 | 美术 | 数学 |')
print(' ===================================================================')
true = 0
new = [true]
for students in student:
if students['name'] == name:
true += 1
print(true, '|', students['sno'], '| ', students['name'], '| ', students['age'], ' | ',
students['tel'], ' | ', students['escore'], ' | ', students['pscore'], '| ',
students['ascore'], ' | ', students['mscore'], ' |')
print(' ===================================================================')
new.append(students)
print(new)
if true >= 2:
n = int(input('请选择：'))
if n:
print('===================================================================')
print('| 学号 | 姓名 | 年龄 | 电话号码 | 英语 | 体育 | 美术 | 数学 |')
print('===================================================================')
print('|', new[n]['sno'], '| ', new[n]['name'], '| ', new[n]['age'], ' | ',
new[n]['tel'], ' | ', new[n]['escore'], ' | ', new[n]['pscore'], '| ',
new[n]['ascore'], ' | ', new[n]['mscore'], ' |')
print('===================================================================')
print('是否确认删除? 1.是 2.否')
n = int(input('请选择:'))
if n == 1:
student.remove(new[n])
print("删除成功!")
elif true == 1:
print('是否确认删除? 1.是 2.否')
n = int(input('请选择:'))
if n == 1:
student.remove(new[true])
print("删除成功!")
else:
print('没有你要查找的人！')
else:
return
print('1.继续查找')
print('0.返回菜单')
n = int(input('请选择:'))
if n == 0:
return
def avg_student(student):
name = input('请输入你要求成绩的学生的姓名:')
if student == []:
print('该班级还没有学生，请添加！')
print('1.是否添加')
print('0.返回菜单')
n = int(input('请选择:'))
if n != 0:
add_student()
return
for students in student:
if students['name'] == name:
print('学生信息为:')
print('===================================================================')
print('| 学号 | 姓名 | 年龄 | 电话号码 | 英语 | 体育 | 美术 | 数学 |')
print('===================================================================')
for students in student:
print('|', students['sno'], '| ', students['name'], '| ', students['age'], ' | ',
students['tel'], ' | ', students['escore'], ' | ', students['pscore'], '| ',
students['ascore'], ' | ', students['mscore'], ' |')
print('===================================================================')
sum1 = 0
sum1 = students['escore'] + students['pscore'] + students['ascore'] + students['mscore']
avg = sum1 / 4
print('此学生的平均成绩为:', avg)
else:
print('没有你要查找的人!')
print('1.继续求平均值')
print('0.返回菜单')
n = int(input('请选择:'))
if n == 0:
return
while 1:
n = cai_dan()
if n == 1:
add_student(student, snos)
elif n == 2:
cha_zhao_student(student)
elif n == 3:
delete_student(student)
elif n == 4:
avg_student(student)
else:
break
print('您已退出学生管理系统！')
运行结果大家自行测试！
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