C++实现 通讯录管理系统 （观黑马程序员所记）

#include<iostream>
#include<string>
#define MAX 1000  //最多储存联系人个数
using namespace std;

//功能

//添加联系人
//显示联系人
//删除联系人
//查找联系人
//修改联系人
//清空联系人
//退出通讯录



//设计联系人机构体
struct Person
{
	//姓名
	string m_Name;
	//性别  1、男  2、女
	int m_Sex;
	//年龄
	int m_Age;
	//电话
	string m_Phone;
	//住址
	string m_Addr;
};


//设计通讯录结构体
struct Addressbooks
{
	//通讯录中保存联系人的数组
	struct Person personArray[MAX];

	//通讯录中当前记录的联系人个数
	int m_Size;
};



//1、添加联系人
void addPerson(Addressbooks* abs)
{
	//判断通讯录是否已满，如果满就不再添加
	if (abs->m_Size == MAX)
	{
		cout << "通讯录已满，无法添加！" << endl;
		return;
	}
	else
	{
		//添加具体联系人

		//姓名
		string name;
		cout << "请输入姓名： " << endl;
		cin >> name;
		abs->personArray[abs->m_Size].m_Name = name;

		//性别
		int sex=0;
		cout << "请选择性别： " << endl;
		cout << "1---男" << endl;
		cout << "2---女" << endl;
		while (true)
		{
			cin >> sex;
			if (sex == 1 || sex == 2)//如果输入是1或者2才记录并退出循环
			{
				abs->personArray[abs->m_Size].m_Sex = sex;
				break;
			}
			//如果输入有误，提醒用户重新输入
			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->m_Size].m_Age = age;

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

		//地址
		cout << "请输入联系人地址： " << endl;
		string address;
		cin >> address;
		abs->personArray[abs->m_Size].m_Addr = address;

		//更新通讯录人数
		abs->m_Size++;
		cout << "添加成功" << endl;

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



//2、显示联系人
void showPerson(Addressbooks* abs)
{
	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<<"   ";
			if (abs->personArray[i].m_Sex == 1)
			{
				cout << "性别： 男   " ;
			}
			else if (abs->personArray[i].m_Sex == 2)
			{
				cout << "性别： 女   "  ;
			}
			cout << "年龄： " << abs->personArray[i].m_Age<<"   ";
			cout << "电话： " << abs->personArray[i].m_Phone <<"   ";
			cout << "地址： " << abs->personArray[i].m_Addr <<endl;
		}
	}

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

//检测联系人是否存在，如果存在，返回联系人所在数组中的具体位置，不存在则返回-1

int isExist(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，返回联系人所在数组的具体位置
		}
	}
	return -1;//遍历没找到，返回-1
}


//3、删除指定联系人
void deletePerson(Addressbooks*abs)
{
	cout << "请输入你要删除的联系人" << endl;
	
	string name;
	cin >> name;

	int ret = isExist(abs, name);

	if (ret != -1)
	{
		for (int i = ret; i < abs->m_Size; i++)//查到此人，要进行删除操作
		{
			//数据前移
			abs->personArray[i] = abs->personArray[i + 1];
		}
		abs->m_Size--;//更新联系人个数
		cout << "删除成功" << endl;
	}
	else
	{
		cout << "查无此人" << endl;
	}

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



//4、查找指定联系人信息
void findPerson(Addressbooks* abs)
{
	cout << "请输入您要查找的联系人姓名" << endl;
	string name;
	cin >> name;

	//判断是否存在此人
	int ret = isExist(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 << "住址： " << abs->personArray[ret].m_Addr << "\t"<<endl;
	}
	else
	{
		cout << "查无此人" << endl;
	}
	system("pause");
	system("cls");
}


//5、修改指定联系人信息
void modifyPerson(Addressbooks* abs)
{
	cout << "请输入您要修改的联系人" << endl;
	string name;
	cin >> name;

	int ret = isExist(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" << endl;
		cout << "2---女" << endl;
		int sex = 0;
		while (true)
		{
			cin >> sex;
			if (sex == 1 || sex == 2)//如果输入是1或者2才记录并退出循环
			{
				abs->personArray[abs->m_Size].m_Sex = sex;
				break;
			}
			//如果输入有误，提醒用户重新输入
			cout << "输入有误，请重新输入" << endl;
		}

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

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

		cout << "请输入地址： " << endl;
		string address;
		cin >> address;
		abs->personArray[ret].m_Addr = address;

		cout << "修改成功" << endl;
	}
	else
	{
		cout << "查无此人";
	}

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



//6、清空联系人
void cleanPerson(Addressbooks* abs)
{
	abs->m_Size = 0;
	cout << "通讯录已清空" << endl;
	system("pause");
	system("cls");
}



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

	int select = 0;//创建用户选择的变量

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


		cin >> select;
		switch (select)
		{
		case 1:    //添加联系人
			
			addPerson(&abs);//地址传递，便于修改实参
			
			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
			
			findPerson(&abs);
			
			break;
		case 5:    //修改联系人
			
			modifyPerson(&abs);
			
			break;
		case 6:    //清空联系人
			
			cleanPerson(&abs);
			
			break;
		case 0:    //退出通讯录
			cout << "欢迎下次使用" << endl;
			system("pause");
			return 0;
			break;
		}
	}

	


	system("pause");
	return 0;
}