通讯录管理系统

写着写着觉得后面的都是重复前面的工作，于是直接不写了（不是）

#include<iostream>
#include<string.h>
using namespace std;
#define MAX 1000


//设计联系人结构体
struct person {
	//姓名
	string name;
	//性别
	int sex;
	int age;
	string phone;
	string address;

};

struct Addressbooks {
	struct person personArray[MAX];
	//当前记录的人数
	int size;
};

//添加联系人
void addPerson(Addressbooks* abs)
{
	//判断通讯录是否已满
	if (abs->size == MAX)
	{
		cout << "通讯录已满，无法添加" << endl;
		return;
	}
	else
	{
		//添加具体联系人
		string name;
		cout << "请输入姓名：" << endl;
		cin >> name;
		abs->personArray[abs->size].name = name;

		cout << "请输入性别：" << endl;
		cout << "1 --- 男" << endl;
		cout << "2 --- 女" << endl;
		int sex = 0;
		while (true)
		{
			cin >> sex;
			if (sex == 1 || sex == 2)
			{
				abs->personArray[abs->size].sex = sex;
				break;
			}
			cout << "输入有误，请重新输入" << endl;
		}
		//年龄
		cout << "请输入年龄：" << endl;
		int age = 0;
		cin >> age;
		abs->personArray[abs->size].age = age;
		//电话
		cout << "请输入电话：" << endl;
		string phone;
		cin >> phone;
		abs->personArray[abs->size].phone = phone;
		//住址
		cout << "请输入住址：" << endl;
		string address;
		cin >> address;
		abs->personArray[abs->size].address = address;

		//更新通讯录人数
		abs->size++;
		cout << "添加成功" << endl;
		system("pause");
		//清屏
		system("cls");
	}
}

//显示所有的联系人
void showPerson(Addressbooks* abs)
{
	//判断通讯录中人数是否为0
	if (abs->size == 0)
	{
		cout << "当前记录为空" << endl;
	}
	else
	{
		for (int i = 0; i < abs->size; i++)
		{
			cout << "姓名：" << abs->personArray[i].name << "\t";
			cout << "性别：" <<(abs->personArray[i].sex == 1 ? "男":"女") << "\t";
			cout << "年龄：" << abs->personArray[i].age << "\t";
			cout << "电话：" << abs->personArray[i].phone << "\t";
			cout << "住址：" << abs->personArray[i].address << endl;
		}
	}
	system("pause");
	system("cls");
}

//检测通讯录中是否存在联系人
int isExist(Addressbooks* abs, string name)
{
	for (int i = 0; i < abs->size; i++)
	{
		if (abs->personArray[i].name == name)
		{
			return i;
		}
	}
	return -1;
}

//删除联系人
void deletePerson(Addressbooks* abs)
{
	cout << "请输入删除联系人的姓名：" << endl;
	string name;
	cin >> name;
	int ret = isExist(abs, name);
	if (ret != -1)
	{
		for (int i = ret; i < abs->size; i++)
		{
			abs->personArray[i] = abs->personArray[i + 1];
		}
		abs->size--;
		cout << "删除成功" << endl;
	}
	else
	{
		cout << "查无此人" << endl;
	}
	system("pause");
	system("cls");
}
//显示菜单
void showMenu()
{	
	cout << "************************" << endl;
	cout << "***** 1.添加联系人 *****" << endl;
	cout << "***** 2.显示联系人 *****" << endl;
	cout << "***** 3.删除联系人 *****" << endl;
	cout << "***** 4.查找联系人 *****" << endl;  
	cout << "***** 5.修改联系人 *****" << endl;
	cout << "***** 6.清空联系人 *****" << endl;
	cout << "***** 0.退出通讯录 *****" << endl;
	cout << "************************" << endl;
}

int main()
{	
	//创建通讯录结构体变量
	Addressbooks abs;
	//初始化通讯录中人员个数
	abs.size = 0;


	int select = 0;

	while (true)
	{
		//菜单调用
		showMenu();
		cin >> select;
		switch (select)
		{
		case 1: //添加联系人
			addPerson(&abs);
			break;
		case 2: //显示联系人
			showPerson(&abs);
			break;
		case 3: //删除联系人
			deletePerson(&abs);
			break;
		case 4: //查找联系人
			break;
		case 5: //修改联系人
			break;
		case 6: //清空联系人
			break;
		case 0: //退出通讯录
			cout << "欢迎下次使用" << endl;
			//让程序暂停运行，直到用户按下任意键后才会继续执行。
			system("pause");
			return 0;
			break;
		default:
			break;
		}
	}
	system("pause");
	return 0;
}