C++实战项目

C++实战项目

通讯录管理系统

1、运行结果截图
C++实战项目_第1张图片
2、运行源码

//-封装函数显示界面 如 void showMenu()
//-在main函数中调用封装好的函数
#include
#include
#define MAX 1000
using namespace std;

//设计联系人的结构体
struct Person 
{
	//姓名
	string m_Name;
	//性别
	int	m_Sex;
	//年龄
	int m_Age;
	//电话
	string m_Phone;
	//住址
	string m_Addr;
};
//设计通讯录的结构体
struct Addressbooks
{
	//通讯录保存的联系人数组
	struct Person personArrary[MAX];

	//通讯录中当前记录联系人个数
	int m_Size;
};


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

		//姓名
		cout << "请输入姓名:" << endl;
		string name;
		cin >> name;
		abs->personArrary[abs->m_Size].m_Name = name;
		//性别
		cout << "请输入性别:" << endl;
		cout << "1 --- 男" << endl;
		cout << "2 --- 女" << endl;
		int sex = 0;

		while (true)
		{
			//如果输入的是1或者2可以退出循环,因为输入是正确值
			//如果输入有误,重新输入
			cin >> sex;
			if (sex == 1 || sex == 2)
			{
				abs->personArrary[abs->m_Size].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;
		while (true)
		{
			//如果输入有误,重新输入
			cin >> age;
			if (age >= 0)
			{
				abs->personArrary[abs->m_Size].m_Age = age;
				break;
			}
			cout << "输入有误,请重新输入!" << endl;
		}
		//电话
		cout << "请输入联系人电话:" << endl;
		string phone;
		cin >> phone;
		abs->personArrary[abs->m_Size].m_Phone = phone;

		//地址
		cout << "请输入家庭地址:" << endl;
		string address;
		cin >> address;
		abs->personArrary[abs->m_Size].m_Addr = address;

		//更新通讯录人数
		abs->m_Size++;

		cout << "添加成功!" << endl;

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

//2、显示所有的联系人
void showPerson(Addressbooks* abs)
{
	//判断通讯录中人数是否为空
	//不为空,显示先联系人记录信息
	if (abs->m_Size == 0)
	{
		cout << "当前的记录为空" << endl;
	}
	else
	{
		for (int i = 0; i < abs->m_Size; i++)
		{
			cout << "姓名:" << abs->personArrary[i].m_Name << "\t";
			cout << "性别:" <<(abs->personArrary[i].m_Sex == 1 ?"男":"女" ) << "\t";
			cout << "年龄:" << abs->personArrary[i].m_Age << "\t";
			cout << "电话:" << abs->personArrary[i].m_Phone << "\t";
			cout << "住址:" << abs->personArrary[i].m_Addr << endl;
		}
	}
	system("pause");
	system("cls");
}


//检测联系人是否存在,如果存在,返回来新人所在数组中的具体位置。不存在返回-1
//参数1 通讯录   参数二 对比姓名
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->personArrary[i].m_Name == name)
		{
			return i;//找到返回数组下标
		}
	}
	return -1;//没找到返回-1;
}

//3.删除指定联系人
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)
	{
		//查找到人了,要进行s查处操作
		for (int i = ret; i < abs->m_Size; i++)
		{
			//数据前移
			abs->personArrary[i] = abs->personArrary[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
void findPerson(Addressbooks* abs)
{
	cout << "请输入你要查找的联系人" << endl;
	string name;
	cin >> name;

	//判断指定的联系人是否存在
	int ret = isExist(abs, name);

	if (ret != -1)//找到指定的联系人
	{
		cout << "姓名" << abs->personArrary[ret].m_Name << "\t";
		cout << "性别:" << (abs->personArrary[ret].m_Sex == 1 ? "男" : "女") << "\t";
		cout << "年龄:" << abs->personArrary[ret].m_Age << "\t";
		cout << "电话:" << abs->personArrary[ret].m_Phone << "\t";
		cout << "住址:" << abs->personArrary[ret].m_Addr << endl;
	}
	else//未找到指定的联系人
	{
		cout << "未找到联系人" << endl;
	}
	system("pause");
	system("cls");
}

//5、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 = isExist(abs, name);

	if (ret != -1)//找到指定联系人
	{
		//姓名
		cout << "请输入姓名:" << endl;
		string name;
		cin >> name;
		abs->personArrary[ret].m_Name = name;
		//性别
		cout << "请输入性别:" << endl;
		cout << "1 --- 男" << endl;
		cout << "2 --- 女" << endl;
		int sex = 0;

		while (true)
		{
			//如果输入的是1或者2可以退出循环,因为输入是正确值
			//如果输入有误,重新输入
			cin >> sex;
			if (sex == 1 || sex == 2)
			{
				abs->personArrary[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;
		while (true)
		{
			//如果输入有误,重新输入
			cin >> age;
			if (age >= 0)
			{
				abs->personArrary[ret].m_Age = age;
				break;
			}
			cout << "输入有误,请重新输入!" << endl;
		}

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

		//地址
		cout << "请输入家庭地址:" << endl;
		string address;
		cin >> address;
		abs->personArrary[ret].m_Addr = address;

		cout << "修改成功!" << endl;
	}
	else//未找到指定联系人
	{
		cout << "未找到指定联系人" << endl;
	}
	system("pause");//按任意键继续
	system("cls");//清屏操作
}

//6、清空所有联系人
void cleanPerson(Addressbooks* abs)
{
	cout << "是否要清空所有联系人?y/n" << endl;
	string choose;
	cin >> choose;
	if (choose == "y") {
		abs->m_Size = 0;//将当前记录联系人重置为0,做逻辑清空操作
		cout << "所有联系人已经清空!" << endl;
	}
	system("pause");//按任意键继续
	system("cls");//清屏操作
}
//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()
{
	//创建一个通讯录结构体变量
	Addressbooks abs;
	//初始化通讯录中的当前人数
	abs.m_Size = 0;

	int select = 0;//创建用户选择输入变量

	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);
			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;
			return 0;
		default:
			break;
		}
	}
	system("pause");
	return 0;

}

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