一、需求:
1、可以注册管理员账号,管理员账号可以创建老师和课程
2、学生可以注册和登陆,学生可以从课程列表选课,可以进行上课登记查看
二、代码
1、文件目录
bin 存放可执行文件
config 存放可配置文件
db 存放数据文件
lib 存放实现类
目录结构如图:
2、admin.py 中的代码
#!usr/bin/env python
# -*- coding:utf-8 -*-
"""admin注册登录,以及用admin账号创建老师和课程"""
import pickle
import os
import sys
sys.path.append(os.path.dirname(os.path.dirname(__file__)))
#import time
from config import setting
from lib.models import * #导入所有类def login():
"""用户登陆"""
username = input("请输入用户名:")
pwd = input('请输入密码:')
if os.path.exists(os.path.join(setting.ADMIN_PATH ,username)):
with open(os.path.join(setting.ADMIN_PATH ,username), 'rb') as f:
admin_obj = pickle.load(f)
if admin_obj.login(username, pwd):
print('登陆成功!')
return admin_obj
else:
print('密码错误!')
else:
print('账号不存在!')
exit()
def regester():
"""用户注册"""
username = input("请输入用户名:")
pwd = input('请输入密码:')
adm = Admin()
adm.regester(username, pwd)
def creat_teacher(admin_obj):
li_teacher = []
while True:
name = input('请输入要创建老师的名字,Q退出:')
if name == "Q":
break
age = input('请输入要创建老师的年龄:')
obj = Teacher(name,age,admin_obj)
li_teacher.append(obj)
if os.path.exists(setting.TEACHER_PATH):
read_teacher = pickle.load(open(setting.TEACHER_PATH,'rb'))
li_teacher.extend(read_teacher)
pickle.dump(li_teacher,open(setting.TEACHER_PATH,'wb'))
#print(li_teacher)
def creat_course(admin_obj):
print('老师信息:')
teacher_list = pickle.load(open(setting.TEACHER_PATH,'rb'))
for num,item in enumerate(teacher_list,1):
print(num, item.name, item.age, item.creat_time, item.admin_obj.username)
course_li = []
while True:
course_name = input('请输入课程名(Q退出):')
if course_name == "Q":
break
cost = input('请输入课时费:')
num = input('请选择老师的序号:')
course_obj = Course(course_name, cost, teacher_list[int(num)-1], admin_obj)
course_li.append(course_obj)
if os.path.exists(setting.COURSE_PATH):
read_course = pickle.load(open(setting.COURSE_PATH,'rb'))
course_li.extend(read_course)
pickle.dump(course_li, open(setting.COURSE_PATH,'wb'))def main():
isregsterOrlogin = input('登陆请按1,注册请按2\n')
if isregsterOrlogin == '':
admin_obj = login() #登陆
creat_teacher(admin_obj) #创建老师,写进文件teacher/teacher
creat_course(admin_obj) #创建课程
elif isregsterOrlogin == '':
regester() #注册if __name__ == '__main__':
main()
admin
3、student.py 中的代码
#!usr/bin/env python
# -*- coding:utf-8 -*-
import sys
import os
sys.path.append(os.path.dirname(os.path.dirname(__file__)))from config import setting
import pickle
from lib.models import *def login():
username = input('请输入用户名:')
pwd = input('请输入密码:')
if os.path.exists(os.path.join(setting.STUDENT_PATH, username)):
student_obj = pickle.load(open(os.path.join(setting.STUDENT_PATH, username),'rb'))
if student_obj.login(username, pwd):
print('登陆成功!')
return student_obj
else:
print('密码错误')
else:
print('用户名不存在!')def register():
username = input('请输入用户名:')
pwd = input('请输入密码:')
student_obj = Student()
student_obj.register(username, pwd)def choose_course(student_obj):
"""选择课程"""
course_obj_list = pickle.load(open(setting.COURSE_PATH, 'rb'))
for num,item in enumerate(course_obj_list, 1):
print(num, item.course_name, item.cost, item.teacher_obj.name)
while True:
num = input('请选择课程序号(Q退出):')
if num == "Q":
break
if course_obj_list[int(num) - 1] not in student_obj.choose_course_list:
student_obj.choose_course_list.append(course_obj_list[int(num) - 1])
pickle.dump(student_obj, open(os.path.join(setting.STUDENT_PATH, student_obj.username), 'wb'))def show_choose_course(student_obj):
for num,item in enumerate(student_obj.choose_course_list, 1):
print(num, item.course_name, item.cost, item.teacher_obj.name)def attend_course(student_obj):
print('选择的课程有:')
show_choose_course(student_obj)
while True:
num = input('请输入您参加课程的序号(Q退出):')
if num == "Q":
break
student_obj.attend_course_list.append(student_obj.choose_course_list[int(num) - 1])
pickle.dump(student_obj, open(os.path.join(setting.STUDENT_PATH, student_obj.username), 'wb'))def show_attend_course(student_obj):
for num,item in enumerate(student_obj.attend_course_list, 1):
print(num, item.course_name, item.cost, item.teacher_obj.name)def main():
inp = input('登陆请按1,注册请按2\n>>>>:')
if inp == '':
student_obj = login()
temp = input('选课请按1,显示已选课程请按2,上课请按3,显示上课请按4 :')
if temp == '':
choose_course(student_obj)
elif temp == '':
show_choose_course(student_obj)
elif temp == '':
attend_course(student_obj)
elif temp == '':
show_attend_course(student_obj)
elif inp == '':
register()if __name__ == '__main__':
main()
student.py
4、setting.py 中的代码
#!usr/bin/env python
# -*- coding:utf-8 -*-"""路径配置, py文件路径变了,或db下目录路径变了,需修改下面的路径"""
import osTEACHER_PATH = os.path.join(os.path.dirname(os.path.dirname(__file__)),'db','teacher','teachers')
COURSE_PATH = os.path.join(os.path.dirname(os.path.dirname(__file__)),'db','course','courses')
ADMIN_PATH = os.path.join(os.path.dirname(os.path.dirname(__file__)),'db','admin')
STUDENT_PATH = os.path.join(os.path.dirname(os.path.dirname(__file__)),'db','student')
setting.py
5、models.py 中的代码
#!usr/bin/env python
# -*- coding:utf-8 -*-"""类"""import time
from config import setting
import os
import pickleclass Admin: def __init__(self):
self.username = None
self.psw = None def login(self,username,psw):
"""管理员登陆"""
if self.username == username and self.psw == psw:
return True
else:
return False def regester(self,username , pwd):
"""管理员用户注册"""
self.username = username
self.psw = pwd
with open(os.path.join(setting.ADMIN_PATH,self.username),'wb') as f:
pickle.dump(self,f)class Teacher:
"""老师类"""
def __init__(self, name, age, admin_obj):
self.name = name
self.age = age
self.creat_time = time.strftime('%Y-%m-%d %H:%M:%S')
self.admin_obj = admin_objclass Course:
def __init__(self,course_name,cost,teacher_obj,admin_obj):
self.course_name = course_name
self.cost = cost
self.creat_time = time.strftime('%Y-%m-%d %H:%M:%S')
self.teacher_obj = teacher_obj
self.admin_obj = admin_objclass Student: def __init__(self):
self.username = None
self.psw = None
self.choose_course_list = []
self.attend_course_list = [] def login(self,username,psw):
if self.username == username and self.psw == psw:
return True
else:
return False def register(self, username, psw):
self.username = username
self.psw = psw
with open(os.path.join(setting.STUDENT_PATH, self.username), 'wb') as f:
pickle.dump(self,f)
models.py