PYQT信号与槽的使用
# Import the necessary modules from PyQt5.QtCore import QObject, pyqtSignal # Define a custom signal class MySignal(QObject): my_signal = pyqtSignal(str) # Create an instance of the custom signal my_signal_instance = MySignal() # Connect a slot to the signal def my_slot(message): print(message) my_signal_instance.my_signal.connect(my_slot) # Emit the signal my_signal_instance.my_signal.emit("Hello World!")