面向对象之类的组合代码注释部分

class Person:
    def __init__(self,name,age,sex):
        self.name = name
        self.age = age
        self.sex = sex
    def shangshan(self):
        print('%s,%s岁,%s,上山去砍柴'%(self.name,self.age,self.sex))
    def kaiche(self):
        print('%s,%s岁,%s,开车去东北'%(self.name,self.age,self.sex))
    def zuiai(self):
        print('%s,%s岁,%s,最爱大保健'%(self.name,self.age,self.sex))
ming = Person('小明','10','男')
ming.shangshan()
ming.kaiche()
ming.zuiai()                     #通过类造了三个行为模子，只要下面实例化一个人就可以让一个别的人来进行三个行为

#圆的周长和面积
from  math import pi
class Circle:
    def __init__(self,r):
        self.r = r
    def area(self):
        return '面积是%s'%(pi*(self.r**2))
    def perimeter(self):
        return  '周长是%s'%(2*pi*self.r)
c1 = Circle(3)
print(c1.area())
print(c1.perimeter())

#正方形的面积
class Square:
    def __init__(self,length):
        self.length = length
    def zhouchang(self):
        return '周长是%s'%(4*self.length)
    def mianji(self):
        return '面积是%s'%(self.length**2)
s = Square(3)
print(s.mianji())
print(s.zhouchang())

#每实例化一个对象就计数一次
# class lei:
#     count = 0
#     def __init__(self):
#         lei.count+=1
# f1=lei()
# f2=lei()
# print(f1.count)


#通过组合来完成功能
# from math import pi
#圆形类
# class Circle:
#     def __init__(self,r):
#         self.r = r
#     def area(self):
#         return self.r**2 * pi
#     def perimeter(self):
#         return 2*pi*self.r
#圆环类
# class Ring:
#     def __init__(self,outside_r,inside_r):
#         self.outside_c = Circle(outside_r)
#         self.inside_c = Circle(inside_r)
#     def area(self):
#         return self.outside_c.area() - self.inside_c.area()
#     def perimeter(self):
#         return self.outside_c.perimeter()+self.inside_c.perimeter()
# ring = Ring(20,10)
# print(ring.area())
# print(ring.perimeter())


# 创建一个老师类
# 老师有生日
# 生日也可以是一个类
# 组合
#生日类
# class Birthday:
#     def __init__(self,year,month,day):
#         self.year = year
#         self.month = month
#         self.day = day
#生日时间类
# class Course:
#     def __init__(self,course_name,period,price):
#         self.name = course_name
#         self.period = period
#         self.price = price
# 老师类
# class Teacher:
#     def __init__(self,name,age,sex,birthday):
#         self.name = name
#         self.age = age
#         self.sex = sex
#         self.birthday =birthday
#         self.course = Course('python','6 month',2000)
# b = Birthday(2018,1,16)
# egg = Teacher('egon',0,'女',b)
# print(egg.name)
# print(egg.birthday.year)
# print(egg.birthday.month)
# print(egg.course.price)


# 面向对象的三大特性 ： 继承 多态 封装
# 组合
# 人狗大战
# class Dog:
#     def __init__(self,name,aggr,hp,kind):      #创建一个狗类
#         self.name = name
#         self.aggr = aggr
#         self.hp = hp
#         self.kind = kind
#     def bite(self,person):
#         person.hp -= self.aggr
# class Person:
#     def __init__(self,name,aggr,hp,sex):    #一个人类
#         self.name = name
#         self.aggr = aggr
#         self.hp = hp
#         self.sex = sex
#         self.money = 0
#     def attack(self,dog):
#         dog.hp -= self.aggr
#     def get_weapon(self,weapon):
#         if self.money >= weapon.price:
#             self.money -= weapon.price
#             self.weapon = weapon
#             self.aggr += weapon.aggr
#         else:
#             print("余额不足，请先充值")
# class Weapon:
#     def __init__(self,name,aggr,njd,price):    #一个武器类
#         self.name = name 
#         self.aggr = aggr
#         self.njd = njd
#         self.price = price
#     def hand18(self,person):       #武器自带的技能，降龙十八掌
#         if self.njd > 0:
#             person.hp -= self.aggr * 2
#             self.njd -= 1
# gelan = Person('gelan',0.5,100,'不详')
# tai = Dog('泰日天',100,500,'teddy')
# w = Weapon('打狗棒',100,3,998)
# # gelan装备打狗棒
# gelan.money += 1000
# gelan.get_weapon(w)
# print(gelan.weapon)
# print(gelan.aggr)
# gelan.attack(tai)
# print(tai.hp)
# gelan.weapon.hand18(tai)
# print(tai.hp)

# 组合 ：一个对象的属性值是另外一个类的对象
#        gelan.weapon 是 Weapon类的对象