0702面向对象180

print('hehda---------------------------------------------------------------------------------------------------------------------------------------------')

class MyClass:
    i = 123456
    def f(self):
        # print('The function in class')
        return 'hhe '
x = MyClass()
# print(MyClass.i)
# print(MyClass.f())

print(x.i)
print(x.f())
print('hehda----------------------------------------------------------------------------------------------------------------------------------------')

class complex:
    def __init__(self,realpart,imagpart):
        self.r = realpart
        self.i = imagpart
x = complex(3.0,4.5)
print(x.r,x.i)



print('hehda----------------------------------------------------------------------------------------------------------')

class Test:
    def prt(self):
        print(self)
        print(self.__class__)

t = Test()
t.prt()



print('hehda--------------------------------------------------------------------------------------------------------------------------------------------')
class info:
    name = ''
    age = 0
    __weight = 0
    def info1(self,n,a,w):
        self.name = n
        self.age = a
        self.__weight = w
    def speak(self):
        print('{0}说我{1}了重'.format(self.name,self.age,self.__weight))

p = info()
p.info1('Runoob',10,30)
p.speak()
# runoob 说: 我 10 岁。


print('hehda---------------------------------------------------------------------------------------------------------------------------------------')
class info:
    name = ''
    age = 0
    __weight = 0
    def info1(self,n,a,w):
        self.name = n
        self.age = a
        self.__weight = w
    def speak(self):
        print('{0}说我{1}了重{2}'.format(self.name,self.age,self.__weight))

p = info()
p.info1('Runoob',10,30)
p.speak()
# runoob 说: 我 10 岁。
'-----------对比以上两种写法---------------------'
class people:
    name = ''
    age = 0
    __weight = 0
    def __init__(self,n,a,w):
        self.name = n
        self.age = a
        self.__weight = w
    def speak(self):
        print('{0}speak i am {1} years old and {2} weight'.format(self.name,self.age,self.__weight))

p = people('Runoob',10,20)
p.speak()


print('inherit----------------------------------------------------------------------------------------------------------------------------------------')
class people:
    name = ''
    age = 0
    __weight = 0
    def __init__(self,n,a,w):
        self.name = n
        self.age = a
        self.__weight = w
    def speak(self):
        print('{0}speak i am {1} years old and weight {2}kg'.format(self.name,self.age,self.__weight))

# p = people('Jo1',28,45)
# p.speak()
class student(people):
    grade = ''
    def __init__(self,n,a,w,g):
        people.__init__(self,n,a,w)
        self.grade = g
    def speak(self):
        #打印内容中如果添加上self.__weight是错误的，__私有的只能在内部访问，在这个函数中不能访问
        print('{0}speak i am {1} years ild and weight kg and in class {2}'.format(self.name,self.age,self.grade))

info = student('Jo',22,45,'6')
info.speak()




print('inherit---------------------------------------------------------------------------------------------------------------------------------------------')
# class DerivedClassName(modlename.BaseClassName)
# 我叫 Tim，我是一个演说家，我演讲的主题是 Python

class people:
    name = ''
    age = 0
    __weight = 0
    def __init__(self,n,a,w):
        self.name = n
        self.age = a
        self.__weight = w
    def speak(self):
        print('My name is {0},i am {1} years old and weight {2}kg'.format(self.name,self.age,self.__weight))

# p = people('Jo1',28,45,)
# p.speak()

class student(people):
    grade = ''
    def __init__(self,n,a,w,g):
        people.__init__(self,n,a,w)
        self.grade = g
    def speak(self):
        print('My name is {0},i am {1} years old and weight and in class {2}'.format(self.name,self.age,self.grade))

# s = student('jo2',29,46,'6')
# s.speak()

class speaker:
    #这里变量的声明发现有没有都可
    # name = ''
    # topic = ''
    def __init__(self,n,t):
        self.name = n
        self.topic = t
    def speak(self):
        print('My name is {0} .My topic is {1}'.format(self.name,self.topic))

# sp = speaker('Jo3','Python')
# sp.speak()

class sample(speaker,student):
    def __init__(self,n,a,w,g,t):
        student.__init__(self,n,a,w,g)
        speaker.__init__(self,n,t)

test = sample('Jo4',30,47,'8','Python')
test.speak()




print('methods to rewrite------------------------------------------------------------------------------------------------------------------------------')
class Parent:
    def myMethod(self):
        print('调用父类方法')

class Child(Parent):
    def myMethod(self):
        print('调用子类方法')

c = Child()
c.myMethod()
super(Child,c).myMethod()