通讯录系统

系统需求
包括添加联系人
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

[] [c++]

#include<iostream>
#include<string>
using namespace std;

#define MAX 1000

//菜单页面
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;
}

//联系人结构体
struct Person
{
	string m_Name;
	int m_Sex;
	int m_Age;
	string m_Phone;
	string m_Addr;
};

//通讯录结构体
struct Addressbooks
{
	struct Person personArray[MAX];//联系人数组
	int m_Size;
};

//1.添加联系人
void addPerson(Addressbooks* abs)
{
	if (abs->m_Size == MAX)
	{
		cout << "通讯录已满" << endl;
		return ;
	}
	else
	{
		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" << endl;
		cout << "2 --- 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;
		}

		int age = 0;
		cout << "请输入年龄" << endl;
		cin >> age;
		abs->personArray[abs->m_Size].m_Age = age;

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

		string address;
		cout << "请输入家庭住址" << endl;
		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
	}
}
//2.显示联系人
void showPerson(Addressbooks* abs)
{
	if (abs->m_Size == 0)
	{
		cout << "通讯录为空" << endl;
	}
	else
	{
		for (int i = 0; i < abs->m_Size; i++)
		{
			cout << "姓名：" << abs->personArray[i].m_Name << endl;
			cout << "性别：" << (abs->personArray[i].m_Sex == 1 ? "男" : "女") << "\t";
			cout << "年龄：" << abs->personArray[i].m_Age << endl;
			cout << "电话：" << abs->personArray[i].m_Phone << endl;
			cout << "地址：" << abs->personArray[i].m_Addr << endl;
		}
		system("pause");
		system("cls");
	}
}

//检测联系人是否存在
int isExist(Addressbooks* abs, string name)
{
	for (int i = 0; i < abs->m_Size; i++)
	{
		if (abs->personArray[i].m_Name == name)
		{
			return i; //如果找到 输出下标
		}
	}
	return -1;
}

//3.删除联系人
void deletePerson(Addressbooks* abs)
{
	cout << "请输入删除联系人的姓名" << endl;
	string name;
	cin >> name;
	int ret = isExist(abs, name);
	if (ret != -1)
	{
		for (int i = ret; i < abs->m_Size; i++)
		{
			abs->personArray[i] = abs->personArray[i + 1];//数据前移
		}
		abs->m_Size--;
		cout << "删除成功" << endl;
	}
	else
	{
		cout << "查无此人" << endl;
	}
	system("pause");
	system("cls");
}
//4.查找联系人
void findPerson(Addressbooks* abs)
{
	cout << "请输入您要查找的联系人" << endl;
	string name;
	cin >> name;
	int ret = (isExist(abs, name));
	if (ret != -1)
	{
		cout << "姓名：" << abs->personArray[ret].m_Name << endl;
		cout << "性别：" << (abs->personArray[ret].m_Sex == 1 ? "男" : "女") << "\t";
		cout << "年龄：" << abs->personArray[ret].m_Age << endl;
		cout << "电话：" << abs->personArray[ret].m_Phone << endl;
		cout << "地址：" << abs->personArray[ret].m_Addr << endl;
	}
	else cout << "查无此人" << endl;
	system("pause");
	system("cls");
}

//5.修改联系人
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 << "请输入更改后姓名" << endl;
		cin >> name;
		abs->personArray[ret].m_Name = name;

		cout << "请输入更改后性别" << endl;
		cout << "1 --- 男" << endl;
		cout << "2 --- 女" << endl;
		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;
		}

		int age = 0;
		cout << "请输入更改后年龄" << endl;
		cin >> age;
		abs->personArray[ret].m_Age = age;

		string phone;
		cout << "请输入更改后电话" << endl;
		cin >> phone;
		abs->personArray[ret].m_Phone = phone;

		string address;
		cout << "请输入更改后家庭住址" << endl;
		cin >> address;
		abs->personArray[ret].m_Addr = address;
		cout << "修改成功" << endl;

	}
	else cout << "查无此人" << endl;
	system("pause");
	system("cls");

}
// 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");
}

int main()
{
	Addressbooks abs;
	abs.m_Size = 0;
	while (true)
	{
		int select = 0;
		showMenu();
		cin >> select;
		switch (select)
		{
		case 1://添加联系人
			addPerson(&abs);
			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://退出联系人
			cout << "欢迎下次使用" << endl;
			return 0;
			break;
		}

	}
	
	return 0;
}