Automatically Connect Signals and Slots

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Signals and slots are loosely coupled: A class which emits a signal neither knows nor cares which slots receive the signal Qt's signals and slots mechanism

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galvanised slot drain Example code for singnals and slots writen in c++ using Qt framework - ExecomNordcpp-qt-signal-slot-example  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，