面向对象-组合
组合:
学生有课程:stu.course1=python (stu 与 python都是实例化对象,course1 是变量名,可以变化)
学生有生日:stu.brith=d (stu与d 是实例化的对象,brith是变量名,可以根据意思写其他的)
class People: school = 'luffycity' def __init__(self, name, age, sex): self.name = name self.age = age self.sex = sex class Teacher(People): def __init__(self, name, age, sex, level, salary): # People.__init__(self, name, age, sex) super().__init__(name, age, sex) self.level = level self.salary = salary def teach(self): print("%s teaching " % self.name) class Student(People): def __init__(self, name, age, sex, class_time): # People.__init__(self, name, age, sex) super().__init__(name, age, sex) self.class_time = class_time def learn(self): print("%s learing" % self.name) class Course: def __init__(self, course_name, course_price, course_period): self.course_name = course_name self.course_price = course_price self.course_period = course_period def tell(self): print("课程名称 <%s> 课程价格 <%s> 课程时期<%s>" % (self.course_name, self.course_price, self.course_period)) class Date: def __init__(self,year,month,day): self.year=year self.month=month self.day=day def tell_info(self): print("%s-%s-%s"%(self.year,self.month,self.day)) d=Date(2018,12,10) s1=Student('mak',18,'male','2018/12/10') s1.brith=d s1.brith.tell_info() t1 = Teacher('alex', 28, '男', 'A', '10') t2 = Teacher('engo', 29, '男', 'A', '30') s1 = Student('may', '18', '男', '2018/12/10') s2 = Student('eric', '21', '男', '2018/12/10') python = Course('python', '300', '3months') linux = Course('linux', '400', '4months') t1.course = python # 先增加上课程这一项 print(t1.course.course_name) # 再取course的细项 print(t1.course.course_price) print(t1.course.course_period) t2.course=linux #先增加上课程这一项 print(t2.course.__dict__) #再调取course的细项 s1.course = python print(s1.course.course_name) print(s1.course.course_price) print(s1.course.course_period) s1.course = python # 想要组合其他项目;要先增加这项 s2.course2=linux s1.course.tell() s2.course2.tell() s1.courses = [] s1.courses.append(python) s1.courses.append(linux)