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，可以分布在不同校區，上不同班級的課
- 有多個員工，可以分布在不同校區，在總部可以統計各校區的賬戶余額、員工人數、學員人數
- 學生可以退學
類圖
實現代碼
這肯定不是最優代碼， 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) # 學生余額、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、如果學生余額大於班級費用 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("余額不足，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、授課列表添加班級 self.__class_list.append(class_) # 2、班級添加授課老師 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、添加到課程列表 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、學校余額、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} 余額：{self.balance}" # 獲取學校分校列表 @property def schoolList(self): return [school.name for school in self.__school_list] # 添加分校 def addBranchSchool(self, school): self.__school_list.append(school) # 添加員工 def addEmploy(self, employ): self.employ_list.append(employ) # 查看員工列表 def getEmploy(self): return [emp.name for emp in self.employ_list] # 統計各分校的賬戶余額 def getTotalBalance(self): res = {} sum = 0 for school in self.__school_list: # 1、結算一次分校余額 school.getTotalBalance() res[school.name] = school.balance # 2、累加分校余額 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] # 添加班級 def addClass(self, class_): # 1、添加班級 self.__class_list.append(class_) # 2、添加老師員工 self.addEmploy(class_.teacher) # 獲取總的余額 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) # 添加分校 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) # 添加課程 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())