代码拷贝

#include<iostream>
#include<string>
#include<stdlib.h>
#define MAX 1000
using namespace std;
//设计联系人结构体
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
{
	//通讯录中保存的联系人数组
	struct Person personArray[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
		cout << "请输入性别：" << endl;
		cout << "1--男" << endl;
		cout << "2--女" << endl;
		int sex = 0;
		while(true)
		{
			//输入的是1或者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
			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;
		}
		
		//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 << "请输入联系电话：" << endl;
		string phone;
		cin >> phone;
		abs->personArray[abs->m_Size].m_Phone = phone;
		
		//住址
		cout << "请输入家庭住址：" << endl;
		string address;
		cin >> address;
		abs->personArray[abs->m_Size].m_Addr = address;
		//更新通讯录中的人数
		abs->m_Size++;
		cout << "添加成功" << endl;
		system("pause");//按任意键继续
		system("cls");//清屏操作
	}
}
//2.显示所有联系人
void showPerson(Addressbooks * abs)
{
	//判断通讯录中人数是否为0，如果为0，提示记录为空
	//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";
			cout << "性别：" << ( abs->personArray[i].m_Sex == 1 ? "男":"女") << "\t";
			cout << "年龄：" << abs->personArray[i].m_Age << "\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");//清屏操作
}
//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，不存在返回-1
//参数1 通讯录 参数2 对比人名
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->personArray[i].m_Name == name)
		{
			/*system("cls");*/
			return i;//找到了，返回这个人在数组中的下标
		}
		
	}
	/*system("cls");*/
return -1;//如果遍历结束都没有找到，返回-1
}
//3.删除指定的联系人
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
	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)//找到指定的联系人
		{
			//姓名
			string name;
			cout << "请输入姓名：" << endl;
			cin >> name;
			abs->personArray[ret].m_Name = name;
			//性别
			cout << "请输入性别" << endl;
			cout << "1-男" << endl;
			cout << "2-女" << endl;
			int sex;
			while (true)
			{
            cin >> sex;
			if (sex == 1 || sex == 2)
				{
				//输入正确，退出
				abs->personArray[ret].m_Sex = sex;
				break;
				}
			else
				{
				cout << "输入有误，请重新输入" << endl;
				}
			}
			
			//年龄
			cout << "请输入年龄：" << endl;
			int age;
			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;
			//地址
			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.清空所有的联系人
void cleanPerson(Addressbooks*abs)
{
	abs->m_Size = 0;//将当期记录联系人数重置为0，做逻辑清空操作
	cout << "通讯录已清空" << endl;
	//按任意键后清屏
	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;//创建用户选择输入的变量
	
	while (true)
	{	
		//菜单调用
	showMenu();
	cout << "请输入一个数字:" << endl;
	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: //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;
}