需求
設計一個培訓機構管理系統，有總部、分校，有學員、老師、員工，實現具體如下需求：
- 有多個課程，課程要有定價
- 有多個班級，班級跟課程有關聯
- 有多個學生，學生報名班級，交這個班級對應的課程的費用
- 有多個老師，可以分佈在不同校區，上不同班級的課
- 有多個員工，可以分佈在不同校區，在總部可以統計各校區的賬戶餘額、員工人數、學員人數
- 學生可以退學
類圖
實現程式碼
這肯定不是最優程式碼， 如果有大佬給出更優解一定要給我評論哦
#!usr/bin/env python
# -*- coding:utf-8 _*-
"""
# author: 小菠蘿測試筆記
# blog: https://www.cnblogs.com/poloyy/
# time: 2021/9/7 11:18 下午
# file: 18_實戰6.py
""" # 課程類
class Course(object):
def __init__(self, name, price):
# 課程名、課程價格：私有屬性
self.__name = name
self.__price = price @property
def name(self):
return self.__name @name.setter
def name(self, name):
self.__name = name @property
def price(self):
return self.__price @price.setter
def price(self, price):
self.__price = price # 人類
class Person(object):
def __init__(self, name, sex, phone):
self.name = name
self.sex = sex
self.phone = phone def __str__(self):
return f"姓名：{self.name}, 性別{self.sex}, 電話：{self.phone}" # 學生類
class Student(Person):
def __init__(self, name, sex, phone, balance):
super(Student, self).__init__(name, sex, phone)
# 學生餘額、報名的班級：私有屬性
self.__balance = balance
self.__class_list = [] @property
def classList(self):
return [class_.name for class_ in self.__class_list] # 報名班級
def addClass(self, class_):
price = class_.price
# 1、如果學生餘額大於班級費用
if self.__balance > price:
# 2、報名成功
self.__class_list.append(class_)
# 3、減去報名費
self.__balance -= price
# 4、班級的學生列表也需要添加當前學生
class_.addStudent(self)
# 5、班級總額增加
class_.totalBalance()
return
print("餘額不足，無法報名班級") # 退學
def removeClass(self, class_):
if class_ in self.__class_list:
# 1、報名班級列表移除
self.__class_list.remove(class_)
# 2、班級學生列表移除當前學生
class_.removeStudent(self)
print("班級不存在，無法退學") # 員工類
class Employ(Person):
def __init__(self, name, sex, phone):
super(Employ, self).__init__(name, sex, phone)
# 工資：私有屬性
self.money = 0 # 老師類
class Teacher(Employ):
def __init__(self, name, sex, phone):
super(Teacher, self).__init__(name, sex, phone)
# 授課班級：私有屬性
self.__class_list = [] @property
def classList(self):
return [class_.name for class_ in self.__class_list] # 授課
def teachClass(self, class_):
# 1、授課列表新增班級
self.__class_list.append(class_)
# 2、班級新增授課老師
class_.teacher = self # 班級類
class Class(object):
def __init__(self, name):
# 班級名、班級費用、課程列表、學生類表、班級老師、所屬學校：私有屬性
self.__name = name
self.__price = 0
self.__course_list = []
self.__student_list = []
self.__teacher = None
self.__balance = 0
self.__school = None @property
def name(self):
return self.__name @name.setter
def name(self, name):
self.__name = name @property
def school(self):
return self.__school.name @school.setter
def school(self, school):
self.__school = school @property
def price(self):
return self.__price @property
def courseList(self):
return self.__course_list def addCourse(self, course):
# 1、班級費用累加課程費用
self.__price += course.price
# 2、新增到課程列表
self.__course_list.append(course) @property
def studentList(self):
return [stu.name for stu in self.__student_list] def addStudent(self, student):
self.__student_list.append(student) def removeStudent(self, student):
self.__student_list.remove(student) @property
def teacher(self):
return self.__teacher @teacher.setter
def teacher(self, teacher):
self.__teacher = teacher @property
def balance(self):
return self.__balance # 統計班級一個班級收入
def totalBalance(self):
self.__balance = len(self.__student_list) * self.__price # 學校類
class School(object):
def __init__(self, name, balance):
# 學校名、學校餘額、學校員工列表：公共屬性
self.name = name
self.balance = balance
self.employ_list = []
# 分校列表：私有屬性
self.__school_list = [] def __str__(self):
return f"學校：{self.name} 餘額：{self.balance}" # 獲取學校分校列表
@property
def schoolList(self):
return [school.name for school in self.__school_list] # 新增分校
def addBranchSchool(self, school):
self.__school_list.append(school) # 新增員工
def addEmploy(self, employ):
self.employ_list.append(employ) # 檢視員工列表
def getEmploy(self):
return [emp.name for emp in self.employ_list] # 統計各分校的賬戶餘額
def getTotalBalance(self):
res = {}
sum = 0
for school in self.__school_list:
# 1、結算一次分校餘額
school.getTotalBalance()
res[school.name] = school.balance
# 2、累加分校餘額
sum += school.balance
res[self.name] = sum
return res # 統計員工人數
def getTotalEmploy(self):
sum_emp = 0
for school in self.__school_list:
sum_emp += len(school.employ_list)
sum_emp += len(self.employ_list)
return sum_emp # 統計學生總人數
def getTotalStudent(self):
sum_stu = 0
for school in self.__school_list:
sum_stu += school.getTotalStudent()
return sum_stu # 分校類
class BranchSchool(School):
def __init__(self, name, balance):
super(BranchSchool, self).__init__(name, balance)
# 分校的班級列表：私有屬性
self.__class_list = [] # 獲取班級列表
@property
def classList(self):
return [class_.name for class_ in self.__class_list] # 新增班級
def addClass(self, class_):
# 1、新增班級
self.__class_list.append(class_)
# 2、新增老師員工
self.addEmploy(class_.teacher) # 獲取總的餘額
def getTotalBalance(self):
for class_ in self.__class_list:
# 1、結算班級收入
class_.totalBalance()
# 2、累加班級收入
self.balance += class_.balance # 獲取學生總人數
def getTotalStudent(self):
sum_stu = 0
for class_ in self.__class_list:
sum_stu += len(class_.studentList)
return sum_stu # 總校
school = School("小菠蘿總校", 100000)
# 分校
bj1 = BranchSchool("小猿圈北京分校", 2222)
sz1 = BranchSchool("深圳南山大學城分校", 5555) # 新增分校
school.addBranchSchool(bj1)
school.addBranchSchool(sz1) # 初始化班級
class1 = Class("Python 基礎班級")
class2 = Class("Python 進階班級") # 初始化課程
c1 = Course("Python 基礎", 666)
c2 = Course("Python 進階", 1666)
c3 = Course("Python 實戰", 2666) # 新增課程
class1.addCourse(c1)
class1.addCourse(c2)
class2.addCourse(c2)
class2.addCourse(c3) # 初始化老師
tea1 = Teacher("小菠蘿老師", "girl", 1355001232)
tea2 = Teacher("大菠蘿老師", "boy", 1355001232) # 老師授課
tea1.teachClass(class1)
tea2.teachClass(class2) bj1.addClass(class1)
sz1.addClass(class2) # 初始化學生
stu1 = Student("小菠蘿", "girl", 1355001232, 50000)
stu2 = Student("大菠蘿", "boy", 1355001231, 50000)
stu3 = Student("大大菠蘿", "girl", 1355001233, 10000)
# 學生報名
stu1.addClass(class1)
stu1.addClass(class2)
stu2.addClass(class1)
stu3.addClass(class2) # 普通員工
emp1 = Employ("小菠蘿員工", "girl", 1355001232)
emp2 = Employ("大菠蘿員工", "boy", 1355001231)
emp3 = Employ("小小菠蘿員工", "girl", 1355001233) print(bj1.getTotalStudent())
print(school.getTotalBalance())
print(school.getTotalEmploy())