system.py
"""__author__zhangdong__"""
import json
person = []
while True:
print('===========================================')
print('= 欢迎来到千锋管理系统 =')
print('= 1. 登录 =')
print('= 2. 注册 =')
print('= 3. 离开 =')
print('===========================================')
value = input('请选择(1,2,3):')
if value == '1':
while True:
#开始登录
user_name =input('请输入用户名：')
user_number = input('请输入登录密码:')
#在本地文件中找寻登录信息并且进行异常处理
address = './'+'new_name'+'.json'
try:
with open(address,'r',encoding='utf-8') as ff:
content = ff.read()
except FileNotFoundError:
print('用户信息不存在')
print('1.返回一层')
print('继续登录')
value1 = input('>>>')
if value1 == '1':
break
else:
continue
else:
for key in content:
if key == user_name and content['key'] == user_number:
print('登录成功')
from studentsystem import manger
else:
print('用户名或密码错误')
break
elif value == '2':
while True:
print('开始注册')
user_name = input('请输入注册名：')
user_number = input('请输入密码：')
address = './' + 'user_name' + '.json'
try:
with open(address, 'r', encoding='utf-8') as f:
user_name = json.load(f)
except FileNotFoundError:
print('继续注册')
user_name = input('请输入注册名：')
new_number = input('请输入密码：')
# 将用户信息存入一个字典
user_message = {}
user_message['new_name'] = user_name
user_message['new_number'] = new_number
address = './' + 'user_name' + '.json'
with open(address, 'w', encoding='utf-8') as ff:
content = json.dump(user_message, ff)
print('注册成功')
break
else:
print('注册成功')
break
else:
print('1.确认离开')
print('2.继续登录或者注册')
value2 = input('请选择(1,2)：')
if value2 == '1':
break
studentsystem.py
def manger():
class1 =[]
while True:
print('欢迎进入班级学生管理系统')
print('1.添加学生')
print('2.查找学生')
print('3.删除学生')
print('4.学生成绩')
print('q.退出系统')
value = input('>>>')
if value == '1':
while True:
name = input('请输入学生姓名：')
id = input('请输入学生学号:')
age = input('请输入学生年龄：')
english =input('请输入学生英语成绩：')
art = input('请输入学生美术成绩：')
PE = input('请输入学生体育成绩：')
math = input('请输入学生数学成绩：')
message = {}
message2 = {}
message['name'] = name
message['id'] = id
message['age'] = age
message2['english'] = english
message2['art'] = art
message2['PE'] = PE
message2['math'] = math
message['scores'] = message2
class1.append(message)
print(class1)
print('1.继续添加')
print('2.返回上一层')
value2 = int(input('>>>'))
if value2 ==1:
continue
else:
break
elif value == '2':
while True:
print('1.查看所有的学生信息')
print('2.根据学生名字查看信息')
print('3.返回上一层')
value3 = int(input('>>>'))
if value3 == 1:
print(class1)
elif value3 == 2:
name1 = input('请输入要查询名字：')
print(class1[0])
else:
break
elif value == '3':
while True:
student_name = input('请输入要删除的学生姓名：')
for student in class1:
if student['name'] == student_name:
print(class1.index(student), student) # 找出学生所在的下标和学生信息
break
student_mark = input('请输入要删除的学生的标号:')
del class1[int(student_mark)] # 根据下标删除学生
print('删除成功')
print('1.继续删除')
print('2.返回上一层')
value4 = input('>>>')
if value4 == '1':
continue
elif value4 == '2':
break
elif value == '4':
while True:
print('1.计算学生平均成绩')
print('2.返回上一层')
value5 = input('>>>')
if value5 == '1':
item = input('请输入要查询学生名字：')
average = sum(class1['scores'].values())
# for item in class1:
#
# sum = 0
# for key in item['scores']:
# for i in item['scores'][key]:
# sum += 1
print('该学生平均成绩为：%s'%(average/4))
else:
break
else:
print('确认离开小管吗？')
print('1.残忍离去')
print('2.对不起，我爱你')
value6 = input('>>>')
if value6 == '1':
break
else:
continue
