Qt Signals and Slots explained with Example Codes

Signals and Slots in Qt5 signal and slot SignalSlot is a pattern that allows loose coupling various components of a software without having to introduce boilerplate code Loose coupling of components signal and slot A slot is called when a signal connected to it is emitted Slots are normal C++ functions and can be called normally; their only special feature is that signals

signal slot 使用Qt的信号和槽（Signals and Slots）机制有以下好处：松耦合：通过信号和槽，对象之间的通信是松耦合的。发送者不需要知道接收者的具体实现细节，