通讯录管理系统（黑马程序员看的）

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

// 人员结构体
struct Person {
	string m_Name; // 姓名
	int m_Sex; // 性别(1男，0女)
	int m_Age; // 年龄
	string m_Phone; // 手机号
	string m_Addr; // 住址
};

// 通讯录结构体
struct Addressbooks {
	struct Person personArrays[MAX]; // 通讯录中保存的联系人数组
	int n_size; // 通讯录中人员个数
};

// 根据名字查找该人员是否在通讯录中（是返回其再目录中位置，否返回-1）
int isExit(Addressbooks* abs, string name) {
	for (int i = 0; i < abs->n_size; i++)
	{
		if (abs->personArrays[i].m_Name == name)
		{
			return i;
		}
	}
	return -1;
}

// 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;
}

// 1.添加成员
void addPerson(Addressbooks * abs) {
	// 判断通讯录是否已经存满
	if (abs->n_size == MAX)
	{
		cout << "通讯录已满，无法添加联系人" << endl;
		return;
	}
	else { // 添加具体的联系人
		string name; // 姓名
		cout << "姓名：";
		cin >> name;
		abs->personArrays[abs->n_size].m_Name = name;

		int sex; //性别()
		while (true)
		{
			cout << "【1男，0女】性别：";
			cin >> sex;
			if (sex==1||sex==0)
			{
				abs->personArrays[abs->n_size].m_Sex = sex;
				break;
			}
			
			cout << "输入有误，请重新输入。" <<endl;
		}
	
		int age; // 年龄
		cout << "年龄：";
		cin >> age;
		abs->personArrays[abs->n_size].m_Age = age;

		string phone; // 手机号
		cout << "手机号：";
		cin >> phone;
		abs->personArrays[abs->n_size].m_Phone = phone;

		string address; // 住址
		cout << "住址：";
		cin >> address;
		abs->personArrays[abs->n_size].m_Addr = address;

		abs->n_size++;
		cout << "添加成功" <<endl;
		system("pause");
		system("cls"); // 清空cmd窗口
	}
}

// 2.显示所有成员
void showPerson(Addressbooks *abs) {
	if (abs->n_size==0) {
		cout<<"通讯录为空，无成员"<<endl;
		return;
	}
	for (int i = 0; i < abs->n_size; i++)
	{
		cout << "姓名："<<abs->personArrays[i].m_Name <<"\t";
		cout << "性别：" << (abs->personArrays[i].m_Sex==1? "男" : "女" ) << "\t";
		cout << "年龄：" << abs->personArrays[i].m_Age << "\t";
		cout << "手机号：" << abs->personArrays[i].m_Phone << "\t";
		cout << "地址：" << abs->personArrays[i].m_Addr << endl;
	}
	system("pause");
	system("cls");
}

// 3.删除通讯录中人员
void delPerson(Addressbooks *abs) {
	cout << "请输入你要删除的人员" <<endl;
	string name;
	cin >> name;
	int ret = isExit(abs, name);
	if ( ret != -1)
	{
		for (int i = ret; i < abs->n_size; i++)
		{
			abs->personArrays[i] = abs->personArrays[i+1];
		}
		abs->n_size--;
		cout << "删除【"<< name <<"】成功！" << endl;
	}
	else
	{
		cout << "查无此人" << endl;
	}
}

// 4.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 = isExit(abs, name);
	if (ret!=-1)
	{
		cout << "姓名：" << abs->personArrays[ret].m_Name << "\t";
		cout << "性别：" << (abs->personArrays[ret].m_Sex == 1 ? "男" : "女") << "\t";
		cout << "年龄：" << abs->personArrays[ret].m_Age << "\t";
		cout << "手机号：" << abs->personArrays[ret].m_Phone << "\t";
		cout << "地址：" << abs->personArrays[ret].m_Addr << endl;
	}
	else {
		cout << "查无此人！！！" <<endl;
	}
}

// 5.修改联系人
void changePerson(Addressbooks* abs) {
	cout << "请输入要修改的联系人：" << endl;
	string name;
	cin >> name;
	int ret = isExit(abs, name);
	if (ret != -1)
	{
		string name; // 姓名
		cout << "姓名：";
		cin >> name;
		abs->personArrays[abs->n_size].m_Name = name;

		int sex; //性别()
		while (true)
		{
			cout << "【1男，0女】性别：";
			cin >> sex;
			if (sex == 1 || sex == 0)
			{
				abs->personArrays[abs->n_size].m_Sex = sex;
				break;
			}
			cout << "输入有误，请重新输入。" << endl;
		}
		
		int age; // 年龄
		cout << "年龄：";
		cin >> age;
		abs->personArrays[abs->n_size].m_Age = age;

		string phone; // 手机号
		cout << "手机号：";
		cin >> phone;
		abs->personArrays[abs->n_size].m_Phone = phone;

		string address; // 住址
		cout << "住址：";
		cin >> address;
		abs->personArrays[abs->n_size].m_Addr = address;

		abs->n_size++;
		cout << "修改成功" << endl;
		system("pause");
		system("cls"); // 清空cmd窗口
	}
	else {
		cout << "查无此人！！！" << endl;
	}
}

// 6.清空通讯录
void cleanPerson(Addressbooks *abs) {
	abs->n_size = 0;
	cout<<"通讯录已清空"<<endl;
	system("pause");
	system("cls");
}

int main() {
	
	Addressbooks abs;
	abs.n_size = 0;
	int select = 0; // 存储输入指定
	while (true)
	{
		showMenu();
		cin >> select;
		switch (select)
		{
		case 1:
			// 1.添加联系人
			addPerson(&abs);
			break;
		case 2:
			// 2.显示联系人
			showPerson(&abs);
			break;
		case 3:
			// 3.删除联系人
			delPerson(&abs);
			break;
		case 4:
			// 4.查找联系人
			findPerson(&abs);
			break;
		case 5:
			// 5.修改联系人
			changePerson(&abs);
			break;
		case 6:
			// 6.清空联系人
			cleanPerson(&abs);
			break;
		case 0:
			// 0.退出系统
			cout << "已退出系统，欢迎下次使用" << endl;
			system("pause");
			return 0;
			break;
		default:
			break;
		}
	}
	system("pause");
	return 0;
}