简易通讯录练习（C++实现）

#include 
#include 
#define MAX 1000
using namespace std;

// 设计联系人的结构体
struct Person 
{
	string m_Name;
	int m_Sex;   // 1、男   2 女
	int m_Age;
	string m_Phone;
	string m_Addr;
};

// 设计通讯录的结构体
struct Addressbooks
{
	struct Person personArray[MAX];
	int m_Size;
};


// 1、菜单界面
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;
}
// 2、添加联系人
void addPerson(Addressbooks * abs)
{
	// 判断通讯录是否已满
	if (abs->m_Size == MAX)
	{
		cout << "通讯录已经满，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->m_Size].m_Name = name;
		cout << "请输入性别：" << endl;
		cout << "1----男\n2----女" << endl;
		int sex = 0;
		while (true)
		{
			cin >> sex;
			if (sex == 1 || sex == 2)
			{
				abs->personArray[abs->m_Size].m_Sex = sex;
				break;
			}
			cout << "输入有误，请重新输入" << endl;
		}
		cout << "请输入年龄：" << endl;
		int age = 0;
		cin >> age;
		abs->personArray[abs->m_Size].m_Age = age;

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

		cout << "请输入家庭地址：" << endl;
		string address;
		cin >> address;
		abs->personArray[abs->m_Size].m_Addr = address;
		abs->m_Size++;
		
		cout << "添加成功！" << endl;

		system("pause");  // 请按任意键继续
		system("cls");    // 清屏操作
	}

}

// 3、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->m_Size == 0)
	{
		cout << "当前记录为空" << endl;
	}
	else
	{
		for (int i = 0; i < abs->m_Size; i++)
		{
			cout << "姓名：" << abs->personArray[i].m_Name << "\t";
			cout << "性别：" << (abs->personArray[i].m_Sex == 1 ? "男" : "女") << "\t";
			cout << "年龄：" << abs->personArray[i].m_Age << "\t";
			cout << "电话：" << abs->personArray[i].m_Phone << "\t";
			cout << "住址：" << abs->personArray[i].m_Addr << endl;
		}
	}
	system("pause");
	system("cls");
}

// 4、检测联系人是否存在，若存在，返回联系人所在数组中的具体位置 
// 参数1 通讯录    参数2  对比姓名
int isExit(Addressbooks * abs, string name)
{
	for (int i = 0; i < abs->m_Size; i++)
	{
		if (abs->personArray[i].m_Name == name)
		{
			return i;   //找到了，返回该人在数组中的编号
		}
	}
	return -1;          // 没有找到，则返回-1
}	

// 5、删除指定的联系人
void deletePerson(Addressbooks * abs)
{
	cout << "请输入您要删除的联系人姓名:" << endl;
	string name;
	cin >> name;
	int ret = isExit(abs, name);
	if (ret != -1)
	{
		// 找到此人  进行删除操作
		for (int i = ret; i < abs->m_Size; i++)
		{
			abs->personArray[i] = abs->personArray[i + 1];
		}
		abs->m_Size--;
		cout << "删除成功" << endl;
	}
	else
	{
		cout << "查无此人" << endl;
	}
	system("pause");
	system("cls");
}

// 6、查找指定的联系人信息
void findPerson(Addressbooks * abs)
{
	cout << "请输入您要查找的联系人：" << endl;
	string name;
	cin >> name;
	int ret = isExit(abs, name);
	if (ret != -1)
	{
		cout << "姓名：" << abs->personArray[ret].m_Name << "\t";
		cout << "性别：" << abs->personArray[ret].m_Sex << "\t";
		cout << "年龄：" << abs->personArray[ret].m_Age << "\t";
		cout << "电话：" << abs->personArray[ret].m_Phone << "\t";
		cout << "地址：" << abs->personArray[ret].m_Addr << endl;;
	}
	else
	{
		cout << "查无此人" << endl;
	}
	system("pause");
	system("cls");
}

// 7、修改指定的联系人信息
void modifyPerson(Addressbooks * abs)
{
	cout << "请输入您要修改的联系人：" << endl;
	string name;
	cin >> name;
	int ret = isExit(abs, name);
	if (ret != -1)
	{
		string name;
		cout << "请输入姓名：" << endl;
		cin >> name;
		abs->personArray[ret].m_Name = name;
		cout << "请输入性别：" << endl;
		cout << "1---男\t2---女" << endl;
		int sex = 0;
		//cin >> sex;
		while (true)
		{
			cin >> sex;
			if (sex == 1 || sex == 2)
			{
				abs->personArray[ret].m_Sex = sex;
				break;
			}
			cout << "输入错误，请重新输入：" << endl;
		}
		cout << "请输入年龄：" << endl;
		int age = 0;
		cin >> age;
		abs->personArray[ret].m_Age = age;
		cout << "请输入联系电话：" << endl;
		string phone;
		cin >> phone;
		abs->personArray[ret].m_Phone = phone;
		cout << "请输入一个家庭地址：" << endl;
		string address;
		cin >> address;
		abs->personArray[ret].m_Addr = address;
	}
	else
	{
		cout << "查无此人" << endl;
	}
	system("pause");
	system("cls");
}

// 8、清空联系人
void cleanPerson(Addressbooks * abs)
{
	abs->m_Size = 0;
	cout << "联系人已经清空！！！" << endl;
	system("pause");
	system("cls");
}


int main()
{
	// 创建通讯录结构体变量
	Addressbooks abs;
	// 初始化通讯录中当前人数为0
	abs.m_Size = 0;


	int select = 0;   

	while (true)
	{
		// 菜单调用
		showMenu();

		cin >> select;
		switch (select)
		{
		case 1:  // 1、添加联系人
			addPerson(&abs);  //利用地址传递可以修饰实参
			break;
		case 2:  // 2、显示联系人
			showPerson(&abs);
			break;
		case 3:  // 3、删除联系人
			deletePerson(&abs);
	/*	{
			cout << "请输入删除联系人的姓名：" << endl;
			string name;
			cin >> name;
			if (isExit(&abs, name) == -1)
			{
				cout << "查无此人" << endl;
			}
			else
			{
				cout << "找到此人" << endl;
			}
		}*/
			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、退出通讯录
			cout << "欢迎下次使用" << endl;
			system("pause");
			return 0;
			break;
		default:
			break;
		}

	}

	
	system("pause");
	return 0;
}