链表版通讯录-C++

/*
功能：通讯录
作者：wind
日期：2013-10-12
*/
#include <iostream>
#include <string>
using namespace std;

class Address
{
public:
	Address(string aName,string aTele);
	~Address();

	void printAddress(Address *head);
	void insertAddress(Address *head);
	void deleteAddress(Address *head);
	Address *next;

private:
	string m_aName;
	string m_aTele;

};

Address::Address(string aName=" ",string aTele=" "):
m_aName(aName),m_aTele(aTele){};
Address::~Address(){};

Address* creatList(void)
{
	Address *head;

	head = new Address;
	if (!head)
	{
		exit(0);
	}
	head->next=NULL;

	return head;

}

void Meu(void)
{
	cout<<"1.添加记录："<<endl;
	cout<<"2.删除记录："<<endl;
	cout<<"3.浏览记录："<<endl;
	cout<<"4.退出系统："<<endl;
	cout<<"请选择：";
}

void Address::insertAddress(Address *head)
{
	Address *p,*q;
	string name,tele;
	p = head;
	q = NULL;
	q = new Address;
	if (p->next==NULL)
	{
		cout<<"提示：通讯录中没有记录。"<<endl;
		cout<<"联系人：";
		cin>>q->m_aName;
		cout<<"电话：";
		cin>>q->m_aTele;
		p->next = q;
		q->next = NULL;
		p = p->next;

	}
	else
	{
		while (p->next)
		{
			p =p->next ;
		}
		printAddress(head);
		cout<<"联系人：";
		cin>>q->m_aName;
		cout<<"电话：";
		cin>>q->m_aTele;
		p->next = q;
		q->next = NULL;
		p = p->next;

	}


}

void Address::deleteAddress(Address *head)
{
	 int i,n;
	 Address*p,*q;


    p =  q = head;
     cout<<"请输入记录的序号：";
	 cin>>n;
     for (i=0;i<n;i++)
     {
         p =q;
		 q = q->next;
     }
	 if (q)
	 {

		 p->next = q->next;

	 }


}
void Address::printAddress(Address *head)
{
	Address*p=head;
	int i=1;
	while(p->next)
	{
		p = p->next;
		cout<<i<<"."<<p->m_aName<<" "<<p->m_aTele<<endl;
		i++;

	}
}


int main(void)
{
	Address *head;
	Address num;
	int choice;
	head = creatList();
	do
	{
		Meu();
		cin>>choice;
		switch(choice)
		{
		case 1:
			num.insertAddress(head);
			break;
		case 2:
			num.deleteAddress(head);
			num.printAddress(head);
			break;
		case 3:
			num.printAddress(head);
			break;
		case 4:
			break;
		}

	} while (choice!=4);



	delete head;
	system("pause");
	return 0;
}