In [48]: class TestStaticMethod():
   ....:     @staticmethod
   ....:     def foo():
   ....:         print'static foo is called'
   ....:     @classmethod
   ....:     def foo2(cls):
   ....:         print'class foo2 is called'
   ....:         print'foo2 is part of calss',cls.__name__
   ....:         

In [49]: Te
Templates/        TestStaticMethod  

In [49]: TestStaticMethod.foo()
static foo is called

In [50]: TestStaticMethod.foo2()
class foo2 is called
foo2 is part of calss TestStaticMethod

In [51]: test = TestStaticMethod()

In [52]: test.foo()
static foo is called

In [53]: test.foo2()
class foo2 is called
foo2 is part of calss TestStaticMethod

總結(jié)：
1 三種方法，除了實(shí)例方法只能被實(shí)例調(diào)用外，其余對(duì)于類和實(shí)例均可以被調(diào)用
2 實(shí)例方法第一個(gè)參數(shù)self
靜態(tài)方法對(duì)參數(shù)無(wú)要求
類方法的第一個(gè)參數(shù)為類，一般用cls表示