c++ 通讯录管理系统

//封装函数显示该界面 如void showMenu()
//在main函数中调用封装好的函数

#include<iostream>
using namespace std;
#include<string>
#define MAX 1000//最大人数
//联系人结构体
struct Person
{
	string m_Name;//姓名
	int m_Sex;//性别 1男 2 女
	int m_Age;//年龄
	string m_Phone;//电话
	string m_Addr;//住址
};


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


//1.添加联系人
void addPerson(Addressbooks* abs)
{
	//判断通讯录是否已满 如果满了就不再添加
	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;
		//年龄
		cout << "请输入年龄：" << endl;
		int age = 0;
		while (true)
		{
			cin >> age;
			if (age <= 200 && age >= 0)
			{
				abs->personArray[abs->m_Size].m_Age = age;
				break;
			}
			cout << "输入有误，请重新输入" << endl;
		}


		//性别
		cout << "请输入性别：" << endl;
		cout << "1---男" << endl;
		cout << "2---女" << endl;
		int sex = 0;
		while (true)
		{
			cin >> sex;
			//如果输入的是1和2 可以退出循环 因为输入的是正确值
			//如果输入有误 重新输入
			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;
		}


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

		//家庭住址
		cout << "请输入家庭住址：" << 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");//请按任意键继续
		system("cls");//清屏操作
	}
}


//2.显示所有联系人
void showPerson(Addressbooks* abs)
{
	//判断通讯录中的人数是否为0，如果为0记录为空
	//如果不为0，显示记录的联系人信息
	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";//\t:八个空格
			cout << "年龄：" << abs->personArray[i].m_Age << "\t";
			cout << "性别：" << (abs->personArray[i].m_Sex == 1 ? "男" : "女") << "\t";
			cout << "电话：" << abs->personArray[i].m_Phone << "\t";
			cout << "住址：" << abs->personArray[i].m_Addr << endl;
		}
	}
	system("pause");//按任意键继续
	system("cls");//清屏
}

//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
int isExist(Addressbooks* abs, string name)
{
	for (int i = 0; i < abs->m_Size; i++)
		//找到用户输入的姓名了
		if (abs->personArray[i].m_Name == name)
		{
			return i;//找到了，返回这个人在数组下的编号
		}
	return -1;//如果遍历结束都没有找到，返回-1
}

//3.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;
	//ret==-1 未查到
	//ret!=-1 查到了
	int ret = isExist(abs,name);
		if(ret != -1)
		{
			//查找到人,要进行删除操作
			for (int i = ret; i < abs->m_Size; i++)
			{
				//数据前移
				abs->personArray[i] = abs->personArray[i + 1];
			}
			abs->m_Size--;//更新通讯录中的人员数
			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" << endl;
	string name;
	cin >> name;
	//判断指定的联系人是否存在通讯录中
	int ret = isExist(abs, name);
	if (ret != -1)//找到联系人
	{
		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 << endl;

	}
	else //未找到联系人
	{
		cout << "查无此人" << endl;
	}
	//任意键按下后 清屏
	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)
	{
		//姓名
		string name;
		cout << name;
		abs->personArray[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)
		{
			cin >> sex;
			if (sex == 1 || sex == 2)
			{
				abs->personArray[ret].m_Sex = sex;
				break;
			}
			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[ret].m_Age = age;
		//电话
		cout << "请输入联系电话：" << endl;
		string phone;
		cin >> phone;
		abs->personArray[ret].m_Phone = phone;
		//住址
		cout << "请输入家庭住址：" << endl;
		string address;
		cin >> address;
		abs->personArray[ret].m_Addr = address;
		cout << "修改成功！" << endl;
	}
	else//未找到联系人
	{
		cout << "查无此人" << endl;
	}
	//按任意键清屏
	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()//封装函数
{
	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的人员个数
	abs.m_Size = 0;
	int select = 0;//创建一个用户选择输入的变量
	while(true)
	{
		//在main中菜单调用
		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
		/*{
			cout << "请输入删除联系人姓名:" << endl;
			string name;
			cin >> name;

			if(isExist(&abs, name )== -1)
			{
				cout << "查无此人" << endl;
			}
			else {
			cout << "找到此人" << endl;
			}
		}*/
		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:
			cout << "欢迎下次使用" << endl;
			system("pause");
			return 0;
			break;
		default:
			break;

		}

	}
	system("pause");
	return 0;
}