python語法基礎(chǔ)通過初始化方法參數(shù)可以傳入貓的哆啦夢Hell

python面向?qū)?化為0重寫方法str，輸出貓的定義并創(chuàng)建貓的對象傳入然后每調(diào)用一次yearPass方法就打印一下貓的信息每過幾年，給貓?zhí)砑语椢铩?歲添加衣服，5歲添加腳墊，8歲添加鈴鐺，10歲剃胡子。貓。1貓。3貓，8貓，10歲。衣服、腳墊、鈴鐺、剃胡子。abc定義類，de對對象進行編程。classclass始definit(self,name):=name#self.age=0 self.outlook物#過了一defyearPass(self):self.age+=1#加1ifself.age==3:self.outlook.append('衣服elifelifself.age==5:elifself.age==8:elifself.age==10:defstrdesc'%s,%d(,self.age)iflen(self.outlook)==0:desc'無飾物'desc+='%s'%','.join(self.outlook)returndesccat1Cat('加菲貓')foriinrange(10):私Pythonclass始defclass始definit(self,name):=nameself.age=0defyearPass(self):self.age+=defstrreturn'name:%s,age:%d'%(,self.dog1=Dog(dog1=Dog(' ='snoopy'dog1.age=88dog2=Dog('snoopy')print(dog2.age)使用者嘗試修改狗的和dog2=Dog('snoopy')print(dog2.age)dog2=Dog('snoopy')#print(dog2.dog2=Dog('snoopy')#print(dog2.age)class始defclass始definit(self,name):=nameself.age=0defself.setAge(self.getAge()+ def returnself. defsetAge(self, self.age=dog3dog3Dog(#dog3.setAge(13)defstrreturn'name:%s,age:%d'%(,self.dog3Dog('薩摩'dog3Dog('薩摩')dog3.setAge(13)繼class子類class子類(父類classdefeat(self):print('Animaleat')classDog(Animal):dog1=classdefeat(self):print('Animaleat')classDog(Animal):defprint('Dogdog1=Dog()classDog(Animal):defsuper().eat()#調(diào)用父類的方print('Dogdog2=子類還可以繼續(xù)派生它的子類（孫類#子類的子classHabaDog(Dog):defeat(self):super().eat()#調(diào)用父類的方print('HabaDogHabaDogdog2=HabaDog()classdefeat(self):print('Animaleat'classdefeat(self):print('Animaleat')classclassAnimal(object):defeat(self):print('Animal后面一種寫法（object）稱為新式類。推薦使用。class始class始definit(self,name):=namedefstrreturn'name:%s'%defdel(self):print('Animalclass始definit(self,name,age):Animal.init(self,name)self.age=agedefdel(self):print('Dogdel')Animal.deldog1=',如果父類中有私有的屬性或方法，子類中也是不能classclassdefinit(self,name):=name=defstrreturn'name:%s,age:%d'%(,self.age)defgetAge(self):returnself.agedefdel(self):print('Animaldog1=print(self.getAge())#報錯。子類不 父類的私有方defdel(self):print('Dogdel')Animal.del(self)classdefinit(self,name):Animal.init(self,name)defprint(self.age)self.面向?qū)ο笾蓄惻c類之間的關(guān)classclassAnimal(object):classDog(Animal):classclassdefinit(self):self.leg=classLeg(object):classclassdefinit(self):self.leg=咬defbid(self,print(+classdefinit(self):self.leg=養(yǎng)deffeed(self,print(+UML1狗咬1人養(yǎng)1**面向?qū)ο笏?大原則，23妖抓人人蛇喜喜白青如圖，抓妖，因為蛇妖是妖的子類，所以一定會抓蛇妖反過來，喜歡白蛇，白蛇是蛇妖的子類，但是不一定喜歡蛇妖classclassdefdefinit(self,name):=namedefgetName(self):classdefinit(self,name):super().init(name)classdefinit(self,name):super().init(name)classdefinit(self,name):super().init(name)classdefinit(self,name):=namedefcatch(self,print(classdefinit(self,name):=namedeflove(self,print(fash1=FaShi(' qing1=QingShe(' bai1=BaiShe(' man1=Man(' 多繼class子類class子類(12classclassBase1(object):defprint('--test1--classBase2(object):defprint('--test2--#子類Sub同時繼承Base1classSub(Base1,Base2):sub=Sub()鉆石繼classAnimal(object):defclassAnimal(object):definit(self):print('AnimalclassHorse(Animal):definit(self):Animal.init(self)print('Horseinit')classdefinit(self):Animal.init(self)print('Lvinit')classLuo(Horse,Lv):definit(self):Horse.init(self)Lv.init(self)print('Luoinit')luo=會發(fā)現(xiàn)鉆石繼承中，Animalinit被調(diào)用了兩次。classAnimal(object):definitclassAnimal(object):definit(self):print('AnimalclassHorse(Animal):definit(self):#Animal.init(self)super(Horse,self).init()print('Horseinit')classclassdefinit#Animal.initprint('Lvinit')classLuo(Horse,Lv):definit#Horse.init(self)#Lv.init(self)print('Luoinit')luo=Luo()super(Luo,self).initsuper(Lv,self).initsuper().init()classclassAnimal(object):defeat(self):print('AnimalclassHorse(Animal):defeat(self):print('HorseclassLv(Animal):defprint('LvclassLuo(Horse,Lv):luo=Luo()MRO：MethodResolutionMROLuo對象調(diào)用一個方法，查找該方法的順序的類分別是：Luo、Horse、Lvclassclassdefinit(self):print('selfis',self)classdefinitprint('fromBselfis',self)classdefinitprint('fromCselfis',self)classD(A,B,definit(self):print('Dsuper(D,self).init()super(A,self).init()super(B,self).init()super(C,self).initX=super(D,self).super(D,self).init表示要查找init()