Qt's Signal and Slot Mechanism

Using sigslot as replacement of Qt signalsslots signal and slot Chapter 17 Advanced Signals and Slots In this chapter, we'll cover more topics concerning signals and slots In the first section, we'll look at additional signal and slot in qt Qt's signals and slots mechanism ensures that if you connect a signal to a slot, the slot will be called with the signal's parameters at the right time Signals

signal and 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，