我有 7 个 lineEdit
block ,我希望在其中任何一个发生更改时触发 textChanged
函数,我决定采用简单的路线并按顺序写出它们,但现在我想缩短我的代码。
我想缩短这个
self.lineEdit_2.textChanged.connect(self.textChanged)
self.lineEdit_3.textChanged.connect(self.textChanged)
self.lineEdit_4.textChanged.connect(self.textChanged)
self.lineEdit_5.textChanged.connect(self.textChanged)
self.lineEdit_6.textChanged.connect(self.textChanged)
self.lineEdit_7.textChanged.connect(self.textChanged)
self.lineEdit_8.textChanged.connect(self.textChanged)
像这样
for n in range(2, 8): #check changes on the all lineEdit units
self.lineEdit_n.textChanged.connect(self.textChanged)
或者像这样
for n in range(2, 8):
self.lineEdit_n.textChanged.connect(self.textChanged)
getattr(self, 'lineEdit_n%' % n).textChanged.connect(self.textChanged)
但是不起作用 感谢您的关注
最佳答案
# Check changes on all lineEdit units
for n in range(2, 9):
getattr(self, f"lineEdit_{n}").textChanged.connect(self.textChanged)
关于python - 是否可以通过将 lineEdit 插入 for 来缩短 PyQt5 中的代码?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/70403781/