1 继承
子没有重写，则继承父
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| class A:
x=1
class B(A):
pass
class C(A):
pass
B.x=2
print(A.x,B.x,C.x)
A.x=3
print(A.x,B.x,C.x)
1 2 1
3 2 3
|
2 super
https://blog.csdn.net/weixin_40734030/article/details/122861895
目的：使得子类初始化的时候调用父类的init
例子：
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| class test1:
def __init__(self):
self.a=1
class test2(test1):
def __init__(self):
super(test2, self).__init__()
self.b=2
tt=test2()
# print(tt.a)
print(tt.b)
print(tt.a)
2
1
############################
class test1:
def __init__(self):
self.a=1
class test2(test1):
def __init__(self):
# super(test2, self).__init__()
self.b=2
tt=test2()
# print(tt.a)
print(tt.b)
print(tt.a)
2
AttributeError: 'test2' object has no attribute 'a'
|
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class pointwise_hybird_contrasive(hybird):
def __init__(self,config_roberta, path,num):
super(pointwise_hybird_contrasive, self).__init__(config_roberta, path,num)
super(pointwise_hybird_contrasive, self).\__init\__(config_roberta, path,num)就是对父类hybird的属性进行初始化
|
