Static method in class Python3, ordinary methods, class methods

Static method in class Python3, ordinary methods, class methods

Static methods : Method without self argument with @staticmethod decoration is called static methods, static methods of the class can no parameters, you can use the class name to call directly.

Common methods : the default parameters there is a self, and can only be called an object.

Class Methods : There cls default parameters, can be called classes and objects, we need to add @classmethod decorator.

. 1  class Classname:
 2      @staticmethod
 . 3      DEF Fun ():
 . 4          Print ( ' static method ' )
 . 5  
. 6      @classmethod
 . 7      DEF A (CLS):
 . 8          Print ( " class method " )
 . 9  
10      # conventional method 
. 11      DEF B (Self ):
 12 is          Print ( ' conventional method ' )
 13 is  
14  
15  
16  Classname.fun ()
 . 17  Classname.a ()
 18 is 
19 
20 C = Classname()
21 C.fun()
22 C.a()
23 C.b()