Delete在类体外定义,函数名前要加类限定符“ Queue< keytype>:” template <class keytype> keytype Queue<keytype>:: Delete(void) if (sEmptyOi cout <<" the queue is empty"<<endl exit(O); return queue ++front]; ∥/Add在类体外定义 template <class keytype> void Queue<keytype>: Add(const keytype item) i if (FuLlo) cout <<the queue is full"<<endl; else queue++rearl=item;//Delete在类体外定义，函数名前要加类限定符“Queue<keytype>::” template <class keytype> keytype Queue<keytype>::Delete(void){ if (IsEmpty()){ cout << "the queue is empty"<<endl; exit (0); } return queue [++front]; } //Add在类体外定义 template <class keytype> void Queue<keytype>::Add(const keytype & item){ if (IsFull()) cout << "the queue is full"<<endl; else queue[++rear]=item; };