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C++项目代码练习:通信录管理系统

#include<iostream>
using namespace std;
#include <string> 
#define MAX 1000
//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;
}
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
};
struct Addressbooks
{
          
   
	struct Person personArray[MAX]; //通讯录中保存的联系人数组
	int m_Size; //通讯录中人员个数
};
void addPerson(Addressbooks *abs)
{
          
   
	//判断电话本是否满了
	if (abs->m_Size == MAX)
	{
          
   
		cout << "通讯录已满,无法添加" << endl;
		return;
	}
	else
	{
          
   
		//姓名
		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;

		//性别
		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";
		}

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

		//联系电话
		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");
		system("cls");
	}
}
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 << "	";
			cout << "性别:" << (abs->personArray[i].m_Sex == 1 ? "男" : "女") << "	";
			cout << "年龄:" << abs->personArray[i].m_Age << "	";
			cout << "电话:" << abs->personArray[i].m_Phone << "	";
			cout << "住址:" << abs->personArray[i].m_Addr << endl;
		}
	}

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

}
int isExist(Addressbooks * abs, string name)
{
          
   
	for (int i = 0; i < abs->m_Size; i++)
	{
          
   
		if (abs->personArray[i].m_Name == name)
		{
          
   
			return i;
		}
	}
	return -1;
}
//3、删除指定联系人信息
void deletePerson(Addressbooks * abs)
{
          
   
	cout << "请输入您要删除的联系人" << endl;
	string name;
	cin >> name;

	int ret = isExist(abs, name);
	if (ret != -1)
	{
          
   
		for (int i = ret; i < abs->m_Size; i++)
		{
          
   
			abs->personArray[i] = abs->personArray[i + 1];
		}
		abs->m_Size--;
		cout << "删除成功" << endl;
	}
	else
	{
          
   
		cout << "查无此人" << endl;
	}

	system("pause");
	system("cls");
}
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 << "	";
		cout << "性别:" << abs->personArray[ret].m_Sex << "	";
		cout << "年龄:" << abs->personArray[ret].m_Age << "	";
		cout << "电话:" << abs->personArray[ret].m_Phone << "	";
		cout << "住址:" << abs->personArray[ret].m_Addr << endl;
	}
	else
	{
          
   
		cout << "查无此人" << endl;
	}

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

}
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 << "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;

		//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";
		}

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

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

		//家庭住址
		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
	{
          
   
		cout << "查无此人" << endl;
	}

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

}
void cleanPerson(Addressbooks * abs)
{
          
   
	abs->m_Size = 0;
	cout << "通讯录已清空" << endl;
	system("pause");
	system("cls");
}
int main() {
          
   
	//创建通讯录
	Addressbooks abs;
	//初始化通讯录中人数
	abs.m_Size = 0;

		int select = 0;

		while (true)
		{
          
   
			showMenu();

			cin >> select;

			switch (select)
			{
          
   
			case 1:  //添加联系人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:  //退出通讯录
				cout << "欢迎下次使用" << endl;
				system("pause");
				return 0;
				break;
			default:
				break;
			}
		}

		system("pause");

		return 0;
	}
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