分享一个阶段性的通信录

#include
#include
using namespace std;
#define MAX 1000  //定义宏常量，方便以后修改容量
//设计联系人结构体
struct Person    
{
	string  m_Name;
	//1 男 2  女
	int m_Sex;
	int m_Age;
	string m_Phone;  //用STRING防止溢出,表示一串字符
	string m_Addr;
};
//设计通讯录结构体
struct Addressbooks  
{
	struct Person personArr[MAX];//通讯录中保存的联系人数组,存放数据
	int m_size;//通讯录中当前记录的人个数
};
//显示菜单
void showMenu()
{
	cout << "          Menu          " << 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.退出通信录 *****" << endl;
}
//添加联系人,传入地址形参
void addPerson(Addressbooks* abs)
{
	//先判断通信是否满
	if (abs->m_size == MAX)
	{
		cout << "通信录已满，无法添加" << endl;
		return;//不能返回0；否则会直接退出系统
	}
	else
	{
		//添加联系人
		string name;
        //输入姓名
		cout << "请输入姓名：" << endl;  
		cin >> name;
		abs->personArr[abs->m_size].m_Name = name;//利用人数进行输入
		//输入性别
		cout << "请输入性别:" << endl;
		cout << "1---男   2---女" << endl;
		int sex = 0;
		while (true)  //输入错误信息会一直循环
		{
			cin >> sex;
			if (sex == 1 || sex == 2)
			{
				abs->personArr[abs->m_size].m_Sex = sex;
				break;
			}
			cout << "输入有误,请重新输入" << endl;
		}
		//输入年龄
		cout << "请输入年龄:" << endl;
		int age = 0;
		cin >> age;
		abs->personArr[abs->m_size].m_Age = age;
		//输入电话号码
		cout << "请输入电话号码:" << endl;
		string phone ;
		cin >> phone;
		abs->personArr[abs->m_size].m_Phone = phone;
		//
		cout << "请输入地址:" << endl;
		string Addr;
		cin >> Addr;
		abs->personArr[abs->m_size].m_Addr = Addr;
		//更新通信录人数
		abs->m_size++;
		cout << "运行成功" << endl;

		system("pause");  // 暂停
		system("cls");   //清屏
	}
}
//显示联系人
void showPerson(Addressbooks* abs)
{
	//判断通信录人数是否为零
	if (abs->m_size == 0)
	{
		cout << "当前记录为空" << endl;
		return;
	}
	else
	{
		for (int i = 0; i < abs->m_size; i++)
		{
			cout << "姓名：" << abs->personArr[i].m_Name << "t";
			cout << "年龄：" << abs->personArr[i].m_Age<< "t";
			cout << "性别：" << (abs->personArr[i].m_Sex==1?"男":"女") << "t"; //三目运算符来返回
			cout << "电话: " << abs->personArr[i].m_Phone << "t";
			cout << "地址：" << abs->personArr[i].m_Addr << endl;
		}
	}
	system("pause");
	system("cls"); //清屏
}
//查找联系人是否存在,为以下几个功能做铺垫
//参数一传入通讯录，参数二传入姓名
int isExist(Addressbooks* abs,string name)
{
	for (int i = 0; i < abs->m_size; i++)
	{
		if (abs->personArr[i].m_Name == name)
		{
			return i;//找到返回序号
		}
	}
	return -1;//如果没找到，返回-1；
}
//删除联系人
void deletePerson(Addressbooks* abs) 
{
	cout << "请输入您要删除的联系人" << endl;
	string name;
	cin >> name;
	int ret=isExist(abs, name);
	if (ret != -1)
	{
		for (int i = ret;im_size;i++)
		{
			//数据前移
			abs->personArr[i] = abs->personArr[i + 1];	
		}
		abs->m_size--; //更新通信录人数
		cout << "删除成功" << endl;
	}
	else
	{
		cout << "查无此人" << endl;
	}
	system("pause");
	system("cls");
}
//查找联系人
void findPerson(Addressbooks* abs)
{
	cout << "请输入要查找的联系人" << endl;
	string name;
	cin >> name;
	int ret = isExist(abs, name);
	if (ret !=- 1)
	{
		cout << "姓名: " << abs->personArr[ret].m_Name << "t";
		cout << "年龄: " << abs->personArr[ret].m_Age << "t";
		cout << "性别: " << (abs->personArr[ret].m_Sex==1? "男":"女") << "t";
		cout << "电话: " << abs->personArr[ret].m_Phone << "t";
		cout << "地址: " << abs->personArr[ret].m_Addr << endl;
	}
	else
	{
		cout << "查无此人" << endl;
	}
	system("pasue");
	system("cls");
}
//修改联系人
void modifyPerson(Addressbooks* abs)
{
	cout << "请输入要修改的联系人:" << endl;
	string name;
	cin >> name;
	int ret = isExist(abs, name);
	if (ret != 1)
	{
		//姓名
		string name;
		cout << "请输入姓名：" << endl;
		cin >> name;
		abs->personArr[ret].m_Name = name;

		cout << "请输入性别：" << endl;
		cout << "1 -- 男" << endl;
		cout << "2 -- 女" << endl;

		//性别
		int sex = 0;
		while (true)  //检测性别输入是否正确
		{
			cin >> sex;
			if (sex == 1 || sex == 2)
			{
				abs->personArr[ret].m_Sex = sex;
				break;
			}
			cout << "输入有误，请重新输入";
		}

		//年龄
		cout << "请输入年龄：" << endl;
		int age = 0;
		cin >> age;
		abs->personArr[ret].m_Age = age;

		//联系电话
		cout << "请输入联系电话：" << endl;
		string phone = "";
		cin >> phone;
		abs->personArr[ret].m_Phone = phone;

		//家庭住址
		cout << "请输入家庭住址：" << endl;
		string address;
		cin >> address;
		abs->personArr[ret].m_Addr = address;

		cout << "修改成功" << endl;
	}
	else
	{
		cout << "未找到联系人" << endl;
	}
	system("pause");
	system("cls");
}
//清空联系人
void cleanPerson(Addressbooks* abs)
{
	abs->m_size = 0;//当前联系人数量清零,即查询不到
	cout << "通讯录已清空" << endl;
	system("pause");
	system("cls");
}
int main()
{ 
	Addressbooks abs;//创建通信录变量
	abs.m_size = 0;//初始化通信录中人员个数
	int select = 0;  //定义用户输入的变量
	while (true)  //创建循环,可以返回菜单 
	{
		//菜单调用
		showMenu();
		cin >> select; //输入进行的操作
		switch (select)
		{
		case 1:   //1.添加联系人
			addPerson(&abs); //用地址传递真正的修改实参
			break;
		case 2:   //2.显示联系人
			showPerson(&abs);
			break;
		case 3:  //3.删除联系人
			deletePerson(&abs);
			break;
		case 4:   //4.查找联系人
			findPerson(&abs);
			break;
		case 5:   //5.修改联系人
			modifyPerson(&abs);
			break;
		case 6:   //6.清空联系人
			cleanPerson(&abs);
			break;
		case 0:   //0.退出通信录
			cout << "欢迎下次使用" << endl;
			system("pause");
			return 0;   //退出通信录
			break;
		default:  //直接退出
			break;
		}
	}
	system("pause");
	return 0;
}