python3 学生管理脚本-编程学习网

#! -*- coding:utf-8 -*-

def Show_menu():

print("-" * 34)

print("| 1. 添加学生信息 |")

print("| 2. 显示所有学生信息 |")

print("| 3. 删除学生信息 |")

print("| 4. 修改学生信息 |")

print("| 5. 按学生成绩高-低显示学生信息 |")

print("| 6. 按学生成绩低-高显示学生信息 |")

print("| 7. 按学生年龄高-低显示学生信息 |")

print("| 8. 按学生年龄低-高显示学生信息 |")

print("| 9. 保存学生信息到文件(si.txt) |")

print("| 10. 从文件中读取学生数据(si.txt)|")

print("| 11. 退出程序 |")

print("-" * 34)

students = [{'ID': 1, 'Name': '张三', 'Age': 21, 'Score': 99}, {'ID': 2, 'Name': '李四', 'Age': 23, 'Score': 97},

{'ID': 7, 'Name': '王五', 'Age': 25, 'Score': 55}, {'ID': 9, 'Name': '赵柳', 'Age': 28, 'Score': 80}]

# students = []

def Add_stus():

print("\033[41;36m 开始添加学生! \033[0m")

while True:

try:

ID = int(input("请输入学号(不可重复:)"))

break

except KeyboardInterrupt:

print("\033[41;36 终止程序！\033[0m")

exit()

except Exception:

print("\033[41;36m 请输入int类型 \033[0m")

continue

try:

Name = input("请输入学生姓名:")

except KeyboardInterrupt:

print("\033[41;36 终止程序！\033[0m")

exit()

while True:

try:

Age = int(input("请输入年龄:"))

break

except KeyboardInterrupt:

print("\033[41;36 终止程序！\033[0m")

exit()

except Exception:

print("\033[41;36m 请输入int类型 \033[0m")

continue

while True:

try:

Score = int(input("请输入学生成绩:"))

break

except KeyboardInterrupt:

print("\033[41;36 终止程序！\033[0m")

exit()

except Exception:

print("\033[41;36m 请输入int类型 \033[0m")

continue

t = 0

for i in students:

if i['ID'] == ID:

t = 1

if t == 1:

print("\033[41;36m 学号重复，添加失败 \033[0m")

else:

stuInfo = {}

stuInfo['ID'] = ID

stuInfo['Name'] = Name

stuInfo['Age'] = Age

stuInfo['Score'] = Score

students.append(stuInfo)

print("\033[41;36m 添加成功 \033[0m")

def Show_stus():

print("|--------------|--------------|--------------|--------------|")

print("|--------------|--------------|--------------|--------------|")

for i in students:

print("|%s|%s|%s|%s|" % (

str(i['ID']).center(14), i['Name'].encode(encoding='GBK').center(14).decode(encoding='GBK'),

str(i['Age']).center(14), str(i['Score']).center(14)))

print("|--------------|--------------|--------------|--------------|")

def Del_stu():

print("\033[41;36m 您选择了删除学生功能！ \033[0m")

while True:

try:

delID = int(input("请输入学生学号:"))

break

except KeyboardInterrupt:

print("\033[41;36 终止程序！\033[0m")

exit()

except Exception:

print("\033[41:36m 请输入int类型 \033[0m")

continue

for i, v in enumerate(students):

if v['ID'] == delID:

del students[i]

print("\033[41;36m 删除成功 \033[0m")

break

else:

print("\033[41;36m 没有此学号，删除失败 \033[0m")

def Change_stu():

print("你选择了修改学生信息的功能！")

while True:

Show_stus()

print("\033[36;41m 退出请按11 \033[0m")

while True:

try:

alterID = int(input("请输入修改学生的学号:"))

break

except KeyboardInterrupt:

print("\033[41;36 终止程序！\033[0m")

exit()

except Exception:

print("\033[41;36m 请输入int类型 \033[0m")

continue

List = []

if alterID == 11:

break

else:

while True:

for i in students:

L = i['ID']

List.append(L)

if alterID not in List:

print("\033[41;36m 没有此学号，请重新输入 \033[0m")

break

else:

while True:

print("1. 修改学号\n2. 修改姓名\n3. 修改年龄\n4. 修改成绩\n5. 退出修改")

while True:

try:

alterNum = int(input("请输入需要修改的序号:"))

break

except KeyboardInterrupt:

print("\033[41;36 终止程序！\033[0m")

exit()

except Exception:

print("\033[41;36m 请输入int类型! \033[0m")

continue

if alterNum == 1:

while True:

try:

NewID = int(input("请输入新的ID:"))

break

except KeyboardInterrupt:

print("\033[41;36 终止程序！\033[0m")

exit()

except Exception:

print("\033[41;36m 请输入int类型! \033[0m")

continue

while True:

for i in students:

if i['ID'] == NewID:

print("\033[41;36m 修改失败，学号重复 \033[0m")

break

elif i['ID'] == alterID:

i['ID'] = NewID

print("\033[41;36m 学号修改成功 \033[0m")

break

elif alterNum == 2:

try:

NewName = input("请输入新名字:")

except KeyboardInterrupt:

print("\033[41;36 终止程序！\033[0m")

exit()

for i in students:

if alterID == i['ID']:

i['Name'] = NewName

print("\033[41;36m 修改成功 \033[0m")

elif alterNum == 3:

while True:

try:

NewAge = int(input("请输入新年龄:"))

break

except KeyboardInterrupt:

print("\033[41;36 终止程序！\033[0m")

exit()

except Exception:

print("\033[41;36 请输入int类型 \033[0m")

continue

for i in students:

if alterID == i['ID']:

i['Age'] = NewAge

print("\033[41;36m 修改成功 \033[0m")

elif alterNum == 4:

while True:

try:

NewScore = int(input("请输入新成绩:"))

break

except KeyboardInterrupt:

print("\033[41;36 终止程序！\033[0m")

exit()

except Exception:

print("\033[41;36 请输入int类型 \033[0m")

continue

for i in students:

if alterID == i['ID']:

i['Score'] = NewScore

print("\033[41;36m 修改成功 \033[0m")

elif alterNum == 5:

break

else:

print("请输入正确的序号！")

break

def Show_score_gd():

print("|--------------|--------------|--------------|--------------|")

print("|--------------|--------------|--------------|--------------|")

students_g = sorted(students,key=lambda students:students['Score'],reverse=True)

for i in students_g:

print("|%s|%s|%s|%s|" %(

str(i['ID']).center(14), i['Name'].encode(encoding='GBK').center(14).decode(encoding='GBK'),

str(i['Age']).center(14), str(i['Score']).center(14)))

print("|--------------|--------------|--------------|--------------|")

def Show_score_dg():

print("|--------------|--------------|--------------|--------------|")

print("|--------------|--------------|--------------|--------------|")

students_d = sorted(students,key=lambda students:students['Score'],reverse=False)

for i in students_d:

print("|%s|%s|%s|%s|" %(

str(i['ID']).center(14), i['Name'].encode(encoding='GBK').center(14).decode(encoding='GBK'),

str(i['Age']).center(14), str(i['Score']).center(14)))

print("|--------------|--------------|--------------|--------------|")

def Show_age_gd():

print("|--------------|--------------|--------------|--------------|")

print("|--------------|--------------|--------------|--------------|")

students_g = sorted(students,key=lambda students:students['Age'],reverse=True)

for i in students_g:

print("|%s|%s|%s|%s|" %(

str(i['ID']).center(14), i['Name'].encode(encoding='GBK').center(14).decode(encoding='GBK'),

str(i['Age']).center(14), str(i['Score']).center(14)))

print("|--------------|--------------|--------------|--------------|")

def Show_age_dg():

print("|--------------|--------------|--------------|--------------|")

print("|--------------|--------------|--------------|--------------|")

students_d = sorted(students,key=lambda students:students['Age'],reverse=False)

for i in students_d:

print("|%s|%s|%s|%s|" %(

str(i['ID']).center(14), i['Name'].encode(encoding='GBK').center(14).decode(encoding='GBK'),

str(i['Age']).center(14), str(i['Score']).center(14)))

print("|--------------|--------------|--------------|--------------|")

def Save_file():

try:

f = open('si.txt','w')

for d in students:

f.write(str(d['ID']))

f.write(',')

f.write(d['Name'])

f.write(',')

f.write(str(d['Age']))

f.write(',')

f.write(str(d['Score']))

f.write('\n')

print("\033[41;36m 文件保存成功 \033[0m")

except OSError:

print("\033[41;36m 文件写入失败！\033[0m")

def Read_file():

try:

f = open('si.txt','r+')

L = f.readlines()

print('ID','Name','Age','Score')

for i in L:

s = i.strip()

print(s)

except OSError:

print("\033[41;36m 文件读取失败！\033[0m")

while True:

Show_menu()

try:

key = int(input("请输入要操作的选项(1-11 :)"))

except KeyboardInterrupt:

print("\033[41;36 终止程序！\033[0m")

exit()

except Exception:

print("\033[41;36m 请输入int类型 \033[0m")

else:

if key == 1:

Add_stus()

elif key == 2:

Show_stus()

elif key == 3:

Del_stu()

elif key == 4:

Change_stu()

elif key == 5:

Show_score_gd()

elif key == 6:

Show_score_dg()

elif key == 7:

Show_age_gd()

elif key == 8:

Show_age_dg()

elif key == 9:

Save_file()

elif key == 10:

Read_file()

elif key == 11:

exit()

else:

print("\033[41;36m 请输入正确的序号!!! \033[0m")

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