登陆 ：用户输入用户名和密码
判断身份 ：在登陆成果的时候应该可以直接判断出用户的身份 是学生还是管理员
学生用户 ：对于学生用户来说，登陆之后有三个功能
1、查看所有课程
2、选择课程
3、查看所选课程
4、退出程序
管理员用户：管理员用户除了可以做一些查看功能之外，还有很多创建工作
1、创建课程
2、创建学生学生账号
3、查看所有课程
4、查看所有学生
5、查看所有学生的选课情况
6、退出程序
1 class Admin:
2 def __init__(self,name):
3 self.name=name
4 def creat_course(self):
5 while 1:
6 name=input("请输入创建的课程(Q退出):").strip()
7 if name.upper()=='Q':break
8 with open('all_course','a+',encoding='utf-8') as f:
9 f.write(name+'\n')
10 def creat_stu(self):
11 while 1:
12 stu=input("请输入创建的学生账号(Q退出):").strip()
13 if stu.upper() == 'Q': break
14 stu_pwd=input("请输入创建密码(Q退出):").strip()
15 if stu_pwd.upper() == 'Q': break
16 with open('userinfo', 'a+', encoding='utf-8') as f:
17 f.write(stu+'|'+stu_pwd+'|'+'student'+'\n')
18 def show_course(self):
19 print("所有课程如下:")
20 with open('all_course',encoding='utf-8') as f:
21 for line in f:
22 print(line,end='')
23 def show_stu(self):
24 with open('userinfo', encoding='utf-8') as f:
25 for line in f:
26 lst=line.strip().split('|')
27 if lst[2]=='student':
28 print(lst[0])
29 def check_course(self):
30 with open('course',encoding='utf-8')as f:
31 for line in f:
32 print(line,end='')
33 def exit(self):
34 exit()
35
36 class Student:
37 def __init__(self,name):
38 self.name=name
39 def show_course(self):
40 with open('all_course',encoding='utf-8') as f:
41 for line in f:
42 print(line,end='')
43 def choice(self):
44 while 1:
45 lst=[]
46 with open('all_course', encoding='utf-8') as f:
47 for line in f:
48 lst.append(line.strip())
49 print(list(enumerate(lst,1)))
50 num=input("请输入要选择的课程序号(Q退出):")
51 if num.upper()=='Q':break
52 with open('course','a+',encoding='utf-8')as f:
53 f.write(self.name+'|'+lst[int(num)]+'\n')
54 def check(self):
55 with open('course',encoding='utf-8')as f:
56 for line in f:
57 lst=line.strip().split('|')
58 if self.name==lst[0]:
59 print(line,end='')
60 def exit(self):
61 exit()
62 class Course:
63 def __init__(self,name,price,period,teacher):
64 self.name=name
65 self.price=price
66 self.period=period
67 self.teacher=teacher
68
69 def login():
70 user=input("请输入用户名:").strip()
71 psd=input("请输入密码:").strip()
72 with open('userinfo','r',encoding='utf-8') as f:
73 for line in f:
74 if user+'|'+psd+'|'+'admin' == line.strip():
75 return line
76 if user+'|'+psd+'|'+'student'==line.strip():
77 return line
78 else:return False
79
80 def main():
81 ret=login()
82 while ret:
83 if ret.strip().split('|')[2]=='admin':
84 print("欢迎进入管理员系统!"
85 "1.创建课程"
86 "2.创建学生学生账号"
87 "3.查看所有课程"
88 "4.查看所有学生"
89 "5.查看所有学生的选课情况"
90 "6.退出程序"
91 )
92 num=input("请选择操作:")
93 user = ret.split('|')[0]
94 admin = Admin(user)
95 if num == '1': admin.creat_course()
96 if num == '2': admin.creat_stu()
97 if num == '3': admin.show_course()
98 if num == '4': admin.show_stu()
99 if num == '5': admin.check_course()
100 if num == '6': admin.exit()
101 elif ret.strip().split('|')[2]=='student':
102 print("欢迎进入学生系统!"
103 "1.查看所有课程"
104 "2.选择课程"
105 "3.查看所选课秤"
106 "4.退出程序"
107 )
108 num =input("请选择操作:")
109 user = ret.split('|')[0]
110 student = Student(user)
111 if num == '1': student.show_course()
112 if num == '2': student.choice()
113 if num == '3': student.check()
114 if num == '4': student.exit()
115 else:
116 print("用户名或者密码错误!!!")
117 main()
