我创建了一个变量colonne
,它返回列的编号。你知道吗
我试着把它放在我的函数选择中,就像这样:
self.ids.image+colonne+_1
以下是我的完整观点:
Button:
on_press: root.click_colonne(1)
pos: 25,25
size: 100, 500
opacity:0
Image:
source: 'image.png'
pos: 0,0
size: 150,150
id: image1_1
Image:
source: 'image.png'
pos: 0,100
size: 150,150
id: image1_2
Image:
source: 'image.png'
pos: 0,200
size: 150,150
id: image1_3
Image:
source: 'image.png'
pos: 0,300
size: 150,150
id: image1_4
Image:
source: 'image.png'
pos: 0,400
size: 150,150
id: image1_5
Button:
on_press: root.click_colonne(2)
pos: 125,25
size: 100, 500
opacity:0
Image:
source: 'image.png'
pos: 100,0
size: 150,150
id: image2_1
Image:
source: 'image.png'
pos: 100,100
size: 150,150
id: image2_2
Image:
source: 'image.png'
pos: 100,200
size: 150,150
id: image2_3
Image:
source: 'image.png'
pos: 100,300
size: 150,150
id: image2_4
Image:
source: 'image.png'
pos: 100,400
size: 150,150
id: image2_5
下面是我的全部功能:
def click_colonne(self, colonne):
if self.ids.image+colonne+_1.source == "image.png":
self.ids.image+colonne+_1.source = "image_rouge.png"
elif self.ids.image+colonne+_2.source == "image.png":
self.ids.image+colonne+_2.source = "image_rouge.png"
elif self.ids.image+colonne+_3.source == "image.png":
self.ids.image+colonne+_3.source = "image_rouge.png"
elif self.ids.image+colonne+_4.source == "image.png":
self.ids.image+colonne+_4.source = "image_rouge.png"
elif self.ids.image+colonne+_5.source == "image.png":
self.ids.image+colonne+_5.source = "image_rouge.png"
这是错误
File "main.py", line 36
self.ids.image+colonne+_5.source = "image_rouge.png"
^
SyntaxError: can't assign to operator
有人能给我正确的语法吗?你知道吗
下面是另一个在Python 3.6及更高版本中有效的解决方案:
f""
替换.format()
函数,允许您在引号内添加变量。你知道吗连接不会生成变量名的格式,您只是添加它的值,而不能在运算符=。更好的选择是将名称构建为字符串,并通过ids字典使用它
另一个解决办法是
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