参考自 http://stackoverflow.com/questions/1669445/what-is-the-difference-between-a-static-method-and-class-method-in-python
使用方法:
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| class A(object):
def foo(self,x):
#类实例方法
print "executing foo(%s,%s)"%(self,x)
@classmethod
def class_foo(cls,x):
#类方法
print "executing class_foo(%s,%s)"%(cls,x)
@staticmethod
def static_foo(x):
#静态方法
print "executing static_foo(%s)"%x
|
调用方法：
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| a = A()
a.foo(1)
a.class_foo(1)
A.class_foo(1)
a.static_foo(1)
A.static_foo(1)
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运行结果：
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| executing foo(<__main__.A object at 0xb77d67ec>,1)
executing class_foo(<class '__main__.A'>,1)
executing class_foo(<class '__main__.A'>,1)
executing static_foo(1)
executing static_foo(1)
|
区别：
- 类方法和静态方法都可以被类和类实例调用，类实例方法仅可以被类实例调用
- 类方法的隐含调用参数是类，而类实例方法的隐含调用参数是类的实例，静态方法没有隐含调用参数