1 class Foo(object):#定义一个类，class是定义类的语法，Foo是类名，(object)是新式类的写法
2     def __init__(self,name,age): #初始化函数构建方法，在生成一个角色时要初始化的一些属性就填写在这里
3         self.name = name
4         self.age = age
5 obj1=Foo('csp',15) #实例化对象，将参数自动传给Foo下面的__init__(...)方法
6 obj2=Foo('zj',14)
7 print(obj1.name,obj1.age)
8 print(obj2)

 1 class Foo:
 2     def __init__(self,name,age):
 3         self.name = name
 4         self.age = age
 5     def show(self):
 6         print (self.name)
 7         print (self.age)
 8 obj1 = Foo('haha',15)
 9 obj2 = Foo('kaokao',14)
10 obj1.show()
11 obj2.show()

 1 # -*- coding:utf8 -*-
 2 class School(object):
 3     def __init__(self,name,addr):
 4         self.name = name
 5         self.adr = addr
 6         self.students=[]
 7         self.staffs=[]
 8     def enroll(self,stu_obj):
 9         print("为学员%s办理注册手续"%stu_obj.name)
10         self.students.append(stu_obj)
11     def hire(self,staff_obj):
12         self.staffs.append(staff_obj)
13         print("雇佣新员工%s"%staff_obj)
14 class SchoolMember(object):
15     def __init__(self,name,age,sex):
16         self.name =name
17         self.age = age
18         self.sex =sex
19     def tell(self):
20         print('''----info----''')
21 class Teacher(SchoolMember):
22      def __init__(self,name,age,sex,salary,course):
23          super(Teacher,self).__init__(name,age,sex)
24          self.salary = salary
25          self.course = course
26      def tell(self):
27          print('''
28          ------info of Teacher:%s------
29          Name:%s
30          Age:%s
31          Sex:%s
32          Salary:%s
33          Course:%s
34          '''%(self.name,self.name,self.age,self.sex,self.salary,self.course))
35      def teach(self):
36          print("%s is teaching course [%s]"% (self.name,self.course))
37 class Student(SchoolMember):
38     def __init__(self,name,age,sex,stu_id,grade):
39         super(Student,self).__init__(name,age,sex)
40         self.stu_id = stu_id
41         self.grade = grade
42     def tell(self):
43          print('''
44         ------info of Student:%s------
45          Name:%s
46          Age:%s
47          Sex:%s
48          Stu_id:%s
49          Grade:%s
50          '''%(self.name,self.name,self.age,self.sex,self.stu_id,self.grade))
51     def pry_tuition(self,amount):
52         print("%s has paid tution for $%s"%(self.name,amount))
53 school = School("laonanhaiIT","shahe")
54
55 t1=Teacher("Oldboy",56,"MF",200000,"Linux")
56 t2=Teacher("Alex",22,"M",3000,"Python")
57
58 s1=Student("chenronghua",36,"MF",1001,"Python")
59 s2=Student("xuliangwei",19,"F",1002,"Liux")
60
61 t1.tell()
62 s1.tell()
63 school.hire(t1.name)
64 school.enroll(s1)
65 #school.staffs[0].teach()
66 for stu in school.students:
67     stu.pry_tuition(5000)

 1 #-*- coding:utf-8 -*-
 2 class Role(object):
 3       n = 321
 4       name = "csp"
 5       def __init__(self,name,role,weapon,life_value=100,money=15000):#在初始化函数，在生成一个角色时要初始化的一些属性就填写在这里
 6           self.name = name
 7           self.role = role
 8           self.weapon = weapon
 9           self.__life_value = life_value
10           self.money = money
11       def shot(self): #类的方法（动态属性）
12           print ("shopping...")
13       def got_shot(self):
14           print("hh...，%s go shot..."%self.name)
15       def  got_gun(self,gun_name):
16           print("%s just bought %s"%(self.name,gun_name))
17       def  __del__(self):#析构函数
18           print("%s doned" % self.name)
19       def show_life_value(self): #查看私有属性的方法。
20           print("name:%s weapon:%s life_walue:%s"%(self.name ,self.weapon,self.__life_value))
21 r1 = Role('nidaye','police','AK47')
22 r1.got_gun("AK")
23 r1.got_shot()
24 del r1 #删除实例，这时候析构函数就要登场了。print("%s doned" % self.name)
25 r2 = Role('csp','terrorist','B22')
26 r2.got_shot()
27 print(r2.show_life_value())#因为想看私有属性就需要这样内部定义一个方法，内部调用
28 print(r1) #因为此实例已经删除再打印就报错了

 1 # _*_ coding:utf-8 _*_
 2 class Animal:
 3     def __init__(self,name):
 4         self.name = name
 5     #经常有一些跟类有关系的功能但在运行时又不需要实例和类参与的情况下需要用到静态方法. 比如更改环境变量或者修改其他类的属性等能用到静态方法
 6     @staticmethod
 7     def animal_tal(obj):
 8              obj.talk()
 9 class Cat(Animal):
10     #猫叫
11     def talk(self):
12         print("The cat %s is mewing..." % self.name)
13
14 class Dog(Animal):
15     #狗吠
16     def talk(self):
17         print("The dog %s is baking..." % self.name)
18 c = Cat('huanhuan')
19 d=  Dog('songsong')
20 Animal.animal_tal(c)
21 Animal.animal_tal(d)

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