Python Learning Day7

Import JSON
Import Sys


status_dict={
' username ': None,
' Status ': False,
' ID ': None
}



def login (): #登陆函数
i = 0
While I < 3:
Print ("Campus management System". Center (50, ' * '))
Print ("Please login! ")
Username = input (' Please enter user name: '). Strip ()
Password = input (' Please enter password: '). Strip ()
If status_dict["username"] is not None and status_dict["status"] = = True:
Print ("User" +status_dict["username"]+ "is logged in, please log off and re-login. ")
Break
With open (' UserInfo ', encoding= ' utf-8 ') as F1:
For line in F1:
Line_list = Line.strip (). Replace (', ', ', '). Split (', ')
If username = = Line_list[0] and password==line_list[1]:
Print (' Login successful ... ')
status_dict[' username '] = Username
status_dict[' status '] = True
status_dict[' id '] = line_list[2]
Return True
Else
Print (' username or password is incorrect, please re-enter ')
i + = 1
if i = = 3:
Exit ()

def regiter (*args,**kwargs): #注册函数
While True:
Username = input (' Please enter a registered user name: '). Strip ()
Password = input (' Enter user name password: '). Strip ()
IDD = input (' Please enter User id: '). Strip ()
With open (' UserInfo ', encoding= ' utf-8 ') as F1:
For line in F1:
Line_list = Line.strip (). Replace (', ', ', '). Split (', ')
If username = = Line_list[0]:
Print (' username exists, please re-enter! ')
Break
Else
With open (' UserInfo ', encoding= ' utf-8 ', mode= ' a ') as F2:
F2.write (' \n{},{} '. Format (Username,password,idd))
Print (' Registration successful ')
Login ()


# #学校类定义
Class School (object):
# #初始化函数
def __init__ (self, schoolname, Schoolplace, Schoolmotto):
Self. Schoolname = Schoolname
Self. Schoolplace = Schoolplace
Self. Schoolmotto = Schoolmotto

# #招生函数
def recruitstu (self):
Newstuname = Input ("Stuname:")
Newstuage = Input ("Stuage:")
Newstusex = Input ("Stusex:")
Newstuschool = Input ("Stuschool:")
Courseno = Input ("Courseno:")
Newstuid = Input ("Stuid:")
Courseprice = Input ("Courseprice:")
Newstu = Stu (Newstuname, Newstuage, Newstusex, Newstuschool, Courseno, Newstuid, Courseprice) # #实例化学员对象
Stus_dict = {"Stuname": Newstuname, "stuage": Newstuage, "Stusex": Newstusex, "Stuschool": Newstuschool,
"Courseno": Courseno, "Stuid": Newstuid, "Courseprice": Courseprice} # Store instructor information in a dictionary
If not dic:
Dic[newstuname] = stus_dict
Json.dump (DIC, open ("student_db", "W"), encoding= ' Utf-8 ', Ensure_ascii=false, indent=2)
Else
If Dic.get (newstuname):
Print ("%s student already exists, cannot enroll student with the same name"% Newstuname)
Else
Dic[newstuname] = stus_dict
Json.dump (DIC, open ("student_db", "W"), encoding= ' Utf-8 ', Ensure_ascii=false, indent=2)
Print ("The student has already added successfully". Center (50, '-'))
Newstu.stuinfo ()

# #聘请讲师
def hiretch (self):
Print ("Welcome to hire teacher from here~")
Newteachername = input ("Please input the teacher ' s name:")
Newteacherage = input ("Please input the teacher's age:")
Newteachersex = input ("Please input the teacher ' s Sex:")
Newcourseno = input ("Please input the teacher ' s course Number:")
Newsalary = input ("Please input the teacher ' s Salary:")
Newteacher = Teacher (Newteachername, Newteacherage, Newteachersex, Newcourseno, newsalary) # Instantiate Instructor Object
Teachers_dict = {"TeacherName": Newteachername, "teacherage": Newteacherage, "Teachersex": Newteachersex,
"Courseno": Newcourseno, "Salary": newsalary} # Store instructor information in a dictionary
# Deserialize the instructor's dictionary into the DIC dictionary via JSON
If not dic: # dictionary if empty
Dic[newteachername] = teachers_dict # Associate Instructor name with instructor Object
# serializing the instructor's dictionary to the teacher_db file via JSON
Json.dump (DIC, open ("teacher_db", "W"), encoding= ' Utf-8 ', Ensure_ascii=false, indent=2)
Else: # If the instructor information is already in the file
If Dic.get (newteachername): # does not exist in the dictionary key, then return none, no error
Print ("%s instructor already exists, cannot create lecturer with the same name"% Newteachername)
Else
Dic[newteachername] = teachers_dict
Json.dump (DIC, open ("teacher_db", "W"), encoding= ' Utf-8 ', Ensure_ascii=false, indent=2)
Newteacher.teacherinfo () # #将新老师的信息打印在屏幕上

# #新增课程
def createcourse (self):
Print ("Welcome to create course!")
Newcourseno = Input ("Courseno:")
Newcoursename = Input ("Coursename:")
Newcourseprice = Input ("Courseprice:")
Newcourse = Course (Newcourseno, Newcoursename, Newcourseprice) # #新创建的对象直接实例化
Courses_dict = {"Courseno": Newcourseno, "Coursename": Newcoursename,
"Courseprice": Newcourseprice} # Store instructor information in a dictionary
If not dic:
Dic[newcourseno] = courses_dict
Json.dump (DIC, open ("course_db", "W"), encoding= ' Utf-8 ', Ensure_ascii=false, indent=2)
Else
If Dic.get (Newcourseno):
Print ("%s course already exists, cannot register course number same course"% Newcourseno)
Else
Dic[newcourseno] = courses_dict
Json.dump (DIC, open ("course_db", "W"), encoding= ' Utf-8 ', Ensure_ascii=false, indent=2)
Print ("Course has already created successfully". Center (50, '-'))
Print ("" "
courseno:%s
coursename:%s
courseprice:%s "" "% (Newcourseno, Newcoursename, Newcourseprice))


Class Teacher (object):
def __init__ (self, teachername, teacherage, Teachersex, Courseno, Salary):
Self. TeacherName = TeacherName
Self. Teacherage = Teacherage
Self. Teachersex = Teachersex
Self. Courseno = Courseno
Self. Salary = Salary

def teachknowledge (self):
Print ("Teach knowlege~")

def teacherinfo (self):
Print ("" "
-------------Instructor Information-------------
name:%s
age:%s
sex:%s
courseno:%s
salary:%s
"" "% (self. TeacherName, self. Teacherage, self. Teachersex, self. Courseno, self. Salary))


# #课程类定义
Class Course (object):
def __init__ (self, Courseno, Coursename, Courseprice):
Self. Courseno = Courseno
Self. Coursename = Coursename
Self. Courseprice = Courseprice

def showcourseinfo (self):
Print ("" "
courseno:%s
coursename:%s
courseprice:%s "" "% (self. Courseno, self. Coursename, self. Courseprice))


# #学员类定义
Class Stu (object):
def __init__ (self, stuname, stuage, Stusex, Stuschool, Courseno, Stuid, Courseprice):
Self. Stuname = Stuname
Self. Stuage = Stuage
Self. Stusex = Stusex
Self. Stuschool = Stuschool
Self. Courseno = Courseno
Self. Stuid = Stuid
Self. Courseprice = Courseprice

def Study (self):
Print ("study")

def Paymoney (self):
Print ("Paying for money~")

def stuinfo (self):
Print ("" "
---------------Student Information--------------
name:%s
age:%s
sex:%s
school:%s
courseno:%s
id:%s
courseprice:%s
""" % (
Self. Stuname, self. Stuage, self. Stusex, self. Stuschool, self. Courseno, self. Stuid, self. Courseprice))


Def students_view (): # Student View
While True:
Pro = "" "
1. Welcome to Register
2. Return
3. Exit

Please select:
"""
num = input (PRO)
if num = = ' 1 ':
Choice_school_obj. Recruitstu () # Call Student Registration method and generate student object
elif num = = ' 2 ':
Break
elif num = = ' 3 ':
Sys.exit ()
Else
Continue


Def teacher_view (): # Instructor View
Name = input ("Please enter the instructor name:")
While True:
If Dic.get (name) or Teachers_dict.get (name):
Print ("Welcome to%s lecturer". Center (+, '-')% name)
Elif not Dic.get (name) and not Teachers_dict.get (name):
Print ("%s lecturer does not exist"% name)
Break
Pro = "" "
1. View student Information
2. Return
3. Exit

Please enter your choice:
"""
num = input (PRO)
if num = = ' 1 ':
If Teachers_dict.get (name):
Teachers_dict[name].show_student () # View student Information
Else
Print ("Not fully functional, only input Lvah,cheng")
elif num = = ' 2 ':
Break
elif num = = ' 3 ':
Sys.exit ()
Else
Continue


Def school_view (): # School View
While True:
Pro = "" "
1. Create a Course
2. Enrolment Registration
3. Hiring Lecturers
4. Return
5. Exit

Please enter your choice:
"""
num = input (PRO)
if num = = ' 1 ':
Choice_school_obj. Createcourse ()
elif num = = ' 2 ':
Choice_school_obj. Recruitstu ()
elif num = = ' 3 ':
Choice_school_obj. Hiretch ()
elif num = = ' 4 ':
Break
elif num = = ' 5 ':
Sys.exit ()
Else
Continue


def main ():
Global DIC # Variables
Global Choice_school_obj
DIC = {}

While True:

Prola = "" "
1. Login
2. Registration
Please select your required serial number:
"""

Choise = input (Prola)
if choise = = ' 1 ':
Login ()
elif choise = = ' 2 ':
Regiter ()
Print ("Please select School". Center (50, ' * '))
Pro1 = "" "
1.%s
2.%s
3. Return
4. Exit

Please enter your choice:
"" "% (school1. Schoolname, School2. Schoolname)
Choice_school = input (Pro1)
if Choice_school = = ' 1 ':
Choice_school_obj = school1 # Passing an object reference to Choice_school
elif Choice_school = = ' 2 ':
Choice_school_obj = School2
elif Choice_school = = ' 3 ':
Break
elif Choice_school = = ' 4 ':
Sys.exit ()
Else
Continue
While True:
Print (select View. Center (50, ' * '))
Pro2 = "" "
1. Student View
2. Instructor View
3. Administrator View
4. Return
5. Exit

Please select a view:
"""

num = input (PRO2)

if num = = ' 1 ':
If status_dict[' id '] = = ' Student ': #做登录账号判断
Print ("Welcome to Learner View". Center (50, ' * '))
Students_view ()
Else
Print ("The user you are logged in to is not correct, please sign in again ~")
Login ()
elif num = = ' 2 ':
If status_dict[' id '] = = ' Teacher ':
Print ("Welcome to Instructor View". Center (50, ' * '))
Teacher_view ()
Else
Print ("The user you are logged in to is not correct, please sign in again ~")
Login ()
elif num = = ' 3 ':
If status_dict[' id '] = = ' manager ':
Print ("Welcome to school Administration View". Center (50, ' * '))
School_view ()
Else
Print ("The user you are logged in to is not correct, please sign in again ~")
Login ()
elif num = = ' 4 ':
Break
elif num = = ' 5 ':
Sys.exit ()
Else
Continue


if __name__ = = ' __main__ ':
Teachers_dict = {}
Courses_dict = {}
Stus_dict = {}

School1 = School ("sh old boy", "Shanghai Campus", "Motherland, Honor, responsibility") # Instantiation of two schools
School2 = School ("BJ old Boy", "Beijing Campus", "patriotic, Realistic, endeavor")

T1 = Teacher ("Alex", "page", "Male", "01", "10000")
T2 = Teacher ("Taibai", "X", "female", "02", "9000") # Instantiate two lecturers
teachers_dict["Alex"] = T1
teachers_dict["Taibai"] = T2
Teacher_dict = {"TeacherName": "Alex", "Teacherage": "", "" Teachersex ":" Male "," Courseno ":" 10000 "," Salary "
Teacher_dict = {"TeacherName": "Taibai", "teacherage": "+", "Teachersex": "Female", "Courseno": "02",
"Salary": "9000"}

Course1 = Course ("Down", "Linux Cloud Automation Operations", "12800") # Instantiate two courses
Course2 = Course ("Up", "Python", "9800")
Courses_dict["[]] = Course1
courses_dict["Course2" =
Courses_dict = {"Courseno": "Down", "Coursename": "Linux Cloud Automation Operation", "Courseprice": "12800"}
Courses_dict = {"Courseno": "Up", "coursename": "Python", "Courseprice": "9800"}

STU1 = Stu ("Katy", "All", "female", "Alex", "" "" 3150911026 "," 12800 ") # #实例化两个学员
STU2 = Stu ("Betty", "+", "male", "Taibai", "02", "3150911022", "12000")
stus_dict["Katy"] = STU1
stus_dict["Betty"] = STU2
Stu_dict = {"Stuname": "Static Fragrance", "Stuage": "", "" Stusex ":" Female "," Stuschool ":" Sh old boy "," Courseno ":" 01 ",
"Stuid": "3150911026", "Courseprice": "12800"}
Stu_dict = {"Stuname": "Nobita", "Stuage": "All", "stusex": "Male", "Stuschool": "BJ Old boy", "Courseno": "02",
"Stuid": "3150911022", "Courseprice": "12000"}
Print (School1, school2)
Main ()

Python Learning Day7