首先定义类Person classPerson{public:stringname; Person()=default;//默认构造函数Person(stringnam):name(nam){}voidoperator=(constPerson& p){//赋值构造函数this->name=p.name;} }; Person a("xiaoming"); Person b; cout<<b.name<<endl;//空b=a;//执行赋值构造函数cout<<b.name<<endl;//xiaom...