day⑥:面向对象

一.类初识-cs_game

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#!/usr/bin/env python #coding=utf-8 class Role(object): #新式类的写法     ac=None     def __init__(self,name,role,weapon,life_value=100,money=15000):         self.name=name         self.role=role         self.weapon=weapon         self.life_value=life_value         self.money=money     def shot(self):         print("shooting...")     def got_shot(self):         print("ah....,I got shot...")     def buy_gun(self,gun_name):         print("just bought %s"%gun_name)         self.weapon=gun_name #实例化 t1=Role("yaobin","boy","AK47")  #此时self相当于t1，Role(t1,"yaobin","boy","AK47") t2=Role("test","girl","B22")    #此时self相当于t1，Role(t1,"test","girl","B22") t3=Role("test2","girl","B23") t4=Role("test3","girl","B24") #执行方法 #t1.buy_gun("new1") #相当于Role.buy_gun(t1,"new1") #t2.buy_gun("new2")  #相当于Role.buy_gun(t2,"new2") #print(t1.weapon) #print(t2.weapon) t1.ac="China Brand"  #实例改属性 t2.ac="US Brand"     #实例改属性 Role.ac="Janpanese Brand"  #改类属性 print("t1:",t1.weapon,t1.ac) print("t2:",t2.weapon,t2.ac) print("t3:",t3.weapon,t3.ac) print("t4:",t4.weapon,t4.ac) # print(Role.buy_gun) #结果： t1: AK47 China Brand t2: B22 US Brand t3: B23 Janpanese Brand t4: B24 Janpanese Brand

二.继承_school_class

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#!/usr/bin/env python #coding=utf-8 class SchoolMember(object):     members=0     def __init__(self,name,age,sex):         self.name=name         self.age=age         self.sex=sex         self.enroll()     def tell(self):         print("my name is %s"  %self.name)     def enroll(self):         SchoolMember.members+=1         print("33[32;1mnew member [%s] is enrolled,now there are [%s] members.33[0m"%(self.name,SchoolMember.members) )     #def __del__(self):     #    print("33[31;1mmember [%s] is dead!33[0m" %self.name) class Teacher(SchoolMember):     def __init__(self,name,age,sex,course,salary):         super(Teacher,self).__init__(name,age,sex)         #SchoolMember.__init__(self,name,age,sex) #经典类的写法，旧，不要用         self.course=course         self.salary=salary     def teaching(self):         print("Teacher [%s] is teaching [%s] for class [%s]"%(self.name,self.course,"s12")) class Student(SchoolMember):     def __init__(self,name,age,sex,course,tuition):         super(Student,self).__init__(name,age,sex)         self.course=course         self.tuition=tuition     def pay_tution(self):         print("cao ,student [%s] paying tution" %self.tuition) s1=Student("yaobin",24,"boy","py","1800") t1=Teacher("alex",30,"boy","py","100000") s2=Student("meimei",25,"girl","py","1800") t2=Teacher("wusir",27,"boy","py","120000") s1.tell() s1.pay_tution() t1.tell() t1.teaching() #结果： new member [yaobin] is enrolled,now there are [1] members. new member [alex] is enrolled,now there are [2] members. new member [meimei] is enrolled,now there are [3] members. new member [wusir] is enrolled,now there are [4] members. my name is yaobin cao ,student [1800] paying tution my name is alex Teacher [alex] is teaching [py] for class [s12]

来自为知笔记(Wiz)