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  • Python学习之路:总结

      属性

        实例变量

        类变量

        私有属性

      方法

        构造方法:初始化实例

        析构方法(函数)

        私有方法   

    对象:实例化一个之后得到的对象

    封装

      把一些功能的实现细节不对暴露

    继承

      代码的重用

      单继承

      多继承

        2.7 经典类,深度优先;新式类,广度优先

        3.x均是广度优先

    class SchoolMember(object):
        # member = 0
    
        def __init__(self,name,age,sex):
            self.name = name
            self.age = age
            self.sex = sex
        #     self.enroll()
        #
        # def enroll(self):
        #     print("just enrolled a new school member [%s]"%self.name)
        #     self.member += 1
    
    
        # def tell(self):
        #
        #     print("---info: %s----"% self.name)
        #     for k,v in self.__dict__.items():
        #         print("	",k,v)
        #
        #     print("--------end---------")
        #
        # def __del__(self):
        #     print("开除了[%s]..." % self.name)
        #     SchoolMember.member -= 1
    
    class School(object):
        def open_branch(self,addr):
            print("opening a new branch in " ,addr)
    
    school = School()
    class Teacher(SchoolMember,School):#多继承
        def __init__(self,name,age,sex,salary,course,school_obj):
            #SchoolMember.__init__(self,name,age,sex) #经典类写法
            super(Teacher,self).__init__(name,age,sex) #新式类写法
            self.school =school_obj
            self.salary = salary
            self.course = course
    
    
        def teaching(self):
            print("Teacher [%s] is teaching [%s]"%(self.name,self.course))
    
    # class  Student(SchoolMember):
    #     def __init__(self,name,age,sex,course,tuition):
    #         SchoolMember.__init__(self,name,age,sex)
    #         self.course = course
    #         self.tuition = tuition
    #         self.amount = 0
    #
    #
    #
    #     def pay_tuition(self,amount):
    #         print("student [%s] has just paid [%s]"% (self.name,amount))
    #         self.amount += amount
    
    t1 = Teacher("Wusir",22,"F*M",3000,"Python","ShangHai")
    # s1 = Student("HaiTao",30,"M","PYS15",300000)
    # s2 = Student("LiChuang",12,"M","PYS15",11000)
    #
    # print(SchoolMember.member)
    # t1.tell()
    # s2.tell()
    # t1.open_branch("ShangHai")
    
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  • 原文地址:https://www.cnblogs.com/xiaobai005/p/8350854.html
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