//test.py
1 class Employee:
2 'all employee'
3 empCount = 0
4 def __init__(self, name, salary):
5 self.name = name
6 self.salary = salary
7 Employee.empCount += 1
8 def prt(self):
9 print 'self ', self
10 print '__class__', self.__class__
11 def displayCount(self):
12 print 'Total Employee %d' % Employee.empCount
13 def displayEmployee(self):
14 print 'Name: ', self.name, ', Salary: ', self.salary
15
16 ee = Employee('zcl', 0)
17 print 'doc', Employee.__doc__
18 ee.displayCount()
19 ee.displayEmployee()
20 ee.prt()
21 print 'hasattr', hasattr(ee, 'empCount'), ee.empCount
22 print 'getattr', getattr(ee, 'empCount')
23 print 'setattr', setattr(ee, 'empCount', 2), ee.empCount
24 print 'delattr', delattr(ee, 'empCount')
25 print 'hasattr', hasattr(ee, 'empCount')
26 print '__dict__', ee.__dict__
27 #print '__name__', ee.__name__
28 print '__module__', ee.__module__
29 #print '__bases__', ee.__bases__
30
31 class Name:
32 def __init__(self):
33 self.name = 'I am father'
34 def method(self):
35 print 'p', self.name
36 def vmethod(self):
37 print 'vp', 'I am parent method'
38
39 class Point(Name):
40 def __init__(self, x=0,y=0):
41 self.x = x
42 self.y = y
43 Name.__init__(self)
44 def __del__(self):
45 class_name = self.__class__.__name__
46 print class_name, 'destroied'
47 def submethod(self):
48 Name.method(self)
49 def vmethod(self):
50 print 'vp', 'I am child method'
51 def __repr__(self):
52 print '__repr__'
53 return 'repr finished'
54 def __cmp__(self, x):
55 if 1==x :
56 return 1
57 else:
58 return 2
59 def __add__(self, other):
60 return Point(self.x+other.x, self.y+other.y)
61 __privateData = "You can not see me, but properly can!"
62
63 pt1 = Point()
64 pt2 = pt1
65 pt3 = pt1
66
67 print id(pt1), id(pt2), id(pt3)
68 pt1.submethod()
69 pt1.vmethod()
70 print repr(pt1)
71 print cmp(pt1, 1)
72 del pt1
73 del pt2
74 del pt3
75 p3 = Point(1, 2)+Point(4, 5)
76 print 'p3.x, p3.y', p3.x, p3.y
77 print 'privateData ', p3._Point__privateData
//result
# python test.py
doc all employee
Total Employee 1
Name: zcl , Salary: 0
self <__main__.Employee instance at 0x7fa0a01c4200>
__class__ __main__.Employee
hasattr True 1
getattr 1
setattr None 2
delattr None
hasattr True
__dict__ {'salary': 0, 'name': 'zcl'}
__module__ __main__
140327857701664 140327857701664 140327857701664
p I am father
vp I am child method
__repr__
repr finished
1
Point destroied
Point destroied
Point destroied
p3.x, p3.y 5 7
privateData You can not see me, but properly can!
Point destroied
Finally:
python 支持多继承，这样一来，它就是c++的脚本版本了吧！！哈哈，但其它高级语言都在弱化多继承，在此，我也不多做讨论了
另外，多说一句，python里保护型成员用单下划线'_'
OK，就这么吧