在Python中的对象之间进行通信 [英] Communicating between objects in Python
本文介绍了在Python中的对象之间进行通信的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
class exampleClass(object):
def doSomething( self,number):
return number + 1
class exampleClass2(exampleClass):
def callDefDoSomething(self):
print exampleClass.doSomething(5)
exampleClass2.callDefDoSomething()
-
TypeError:未绑定的方法callDefDoSomething()必须以exampleClass2实例作为第一个参数调用
(没有任何改变)
我开始学习Python中的对象,但是我找不到解决方案:($ / b> $ b $ div class =h2_lin >解决方案
您需要创建一个类的实例,即一个活动对象,以使其工作:
class exampleClass(object):
def doSomething(self,number):
return number + 1
class exampleClass2(exampleClass):
def __init __( self):
self.member1 = exampleClass()
$ b $ def def callDefDoSomething(self):
print self.member1.doSomething(5)
object2 = exampleClass2()
object2.callDefDoSomething()
I have something like this:
class exampleClass(object):
def doSomething(self,number):
return number + 1
class exampleClass2(exampleClass):
def callDefDoSomething(self):
print exampleClass.doSomething(5)
exampleClass2.callDefDoSomething()
-
TypeError: unbound method callDefDoSomething() must be called
with exampleClass2 instance as first argument (got nothing instead)
I started to learn about objects in Python but i cant find solution for this :(
解决方案
You need to create an instance of the class, i.e., an active object, to make things work:
class exampleClass(object):
def doSomething(self,number):
return number + 1
class exampleClass2(exampleClass):
def __init__(self):
self.member1 = exampleClass()
def callDefDoSomething(self):
print self.member1.doSomething(5)
object2 = exampleClass2()
object2.callDefDoSomething()
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