c++实现通讯录的增删查改功能

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

enum option//枚举让switch函数里面更清晰
{
	EXIT,
	ADD,
	SHOW,
	DEL,
	MADIFY,
	EMPTY,
	SEARCH
};

struct person
{
	string m_Name;
	int m_sex;//1  男   2女
	int  m_age;
	string m_phone;
	string m_address;
};

struct contact//通讯录结构体
{
	struct person personarr[MAX];
	int m_size;
};

void AddPerson(contact* con)//添加
{
	if (con->m_size==MAX)
	{
		cout << "已满" << endl;
		return;
	}
	else
	{
		string name;
		cout << "请输入姓名" << endl;
		cin >> name;
		con->personarr[con->m_size].m_Name = name;

		int sex=0;
		cout << "请输入性别" << endl;
		cout << "1 为男    2 为女" << endl;
		while (true)
		{
			cin >> sex;
			if (sex == 1 || sex == 2)
			{
				con->personarr[con->m_size].m_sex = sex;
				break;
			}
			cout << "输入错误，请重新输入" << endl;
		}
		
		int age;
		cout << "请输入年龄" << endl;
		cin >> age;
		con->personarr[con->m_size].m_age = age;

		string phone;
		cout << "请输入电话" << endl;
		cin >> phone;
		con->personarr[con->m_size].m_phone = phone;

		string address;
		cout << "请输入地址" << endl;
		cin >> address;
		con->personarr[con->m_size].m_address = address;

		con->m_size++;
		cout << " 添加成功" << endl;
		system("pause");
		system("cls");
	}
}

void ShowPerson(contact* con)//显示
{
	if (con->m_size == 0)
	{
		cout << "为空" << endl;
	}
	else
	{
		for (int i = 0; i < con->m_size; i++)
		{
			cout << "姓名：" << con->personarr[i].m_Name  << "\t";
			cout << "性别：" << (con->personarr[i].m_sex==1 ? "男":"女") << "\t";
			cout << "年龄：" << con->personarr[i].m_age   << "\t";
			cout << "电话：" << con->personarr[i].m_phone  << "\t";
			cout << "地址：" << con->personarr[i].m_address << endl;
		}
		system("pause");
		system("cls");
	}
}

int isExit(contact* con, string name)//判断是否存在
{
	for (int i = 0; i < con->m_size; i++)
	{
		if (con->personarr[i].m_Name == name)
		{
			return i;
		}
	}
	return -1;
}

void DelPerson(contact* con)//删除
{
	cout << "请输入删除人的姓名" << endl;
	string name;
	cin >> name;
	int ret = isExit(con, name);
	if (ret == -1)
	{
		cout << "不存在" << endl;
	}
	else
	{
		for (int i = ret; i < con->m_size; i++)
		{
			con->personarr[i] = con->personarr[i + 1];
			con->m_size--;
		}
		cout << "删除成功" << endl;
	}
	system("pause");
	system("cls");
	
}

void MadifyPerson(contact* con)//修改
{
	cout << "请输入修改人的姓名" << endl;
	string name;
	cin >> name;
	int ret = isExit(con, name);
	if (ret == -1)
	{
		cout << "不存在" << endl;
	}
	else
	{
		string name;
		cout << "请重新输入姓名" << endl;
		cin >> name;
		con->personarr[ret].m_Name = name;

		int sex = 0;
		cout << "请重新输入性别" << endl;
		cout << "1 为男    2 为女" << endl;
		while (true)
		{
			cin >> sex;
			if (sex == 1 || sex == 2)
			{
				con->personarr[ret].m_sex = sex;
				break;
			}
			cout << "输入错误，请重新输入" << endl;
		}

		int age;
		cout << "请重新输入年龄" << endl;
		cin >> age;
		con->personarr[ret].m_age = age;

		string phone;
		cout << "请重新输入电话" << endl;
		cin >> phone;
		con->personarr[ret].m_phone = phone;

		string address;
		cout << "请重新输入地址" << endl;
		cin >> address;
		con->personarr[ret].m_address = address;

		cout << " 修改成功" << endl;

	}
	system("pause");
	system("cls");
}

void CleanPerson(contact* con)//清空
{
	con->m_size = 0;
	cout << "清空完毕" << endl;
	system("pause");
	system("cls");
}

void SearchPerson(contact* con)//查找
{
	cout << "请输入查找人的姓名" << endl;
	string name;
	cin >> name;
	int ret = isExit(con, name);
	if (ret == -1)
	{
		cout << "不存在" << endl;
	}
	else
	{
		cout << "姓名：" << con->personarr[ret].m_Name << "\t";
		cout << "性别：" << (con->personarr[ret].m_sex == 1 ? "男" : "女") << "\t";
		cout << "年龄：" << con->personarr[ret].m_age << "\t";
		cout << "电话：" << con->personarr[ret].m_phone << "\t";
		cout << "地址：" << con->personarr[ret].m_address << endl;
		cout << "查找成功" << endl;
	}
	system("pause");
	system("cls");
}


void menu()//菜单
{
	cout << " **********************" << endl;
	cout << " ******  1.添加  ******" << endl;
	cout << " ******  2.显示  ******" << endl;
	cout << " ******  3.删除  ******" << endl;
	cout << " ******  4.修改  ******" << endl;
	cout << " ******  5.清空  ******" << endl;
	cout << " ******  6.查找  ******" << endl;
	cout << " ******  0.退出  ******" << endl;
	cout << " **********************" << endl;
}

int main()
{
	int select;
	contact con;//创建结构体变量
	con.m_size = 0;//初始化
	do
	{

		menu();
		cout << "请选择:" << endl;
		cin >> select;	
		switch (select)
		{
		case ADD:
			AddPerson(&con);//添加联系人
			break;
		case SHOW:
			ShowPerson(&con);//显示
			break;
		case DEL:
			DelPerson(&con);//删除
			break;
		case MADIFY:
			MadifyPerson(&con);//修改
			break;
		case EMPTY:
			CleanPerson(&con);//清空
			break;
		case SEARCH:
			SearchPerson(&con);//查找
			break;
		case EXIT:
			cout << "欢迎下次使用" << endl;//退出
			break;	
		default:
			cout << "输入错误，请重新输入"<<endl;
			break;

		}

	} while (select);

	system("pause");
	return 0;
}