控制台显示通讯录管理系统（源码及注释）

控制台显示通讯录管理系统（源码及注释）

主要运用结构体，指针，数组等知识。
实现功能：
1.添加联系人
2.显示联系人
3.删除联系人
4.修改联系人
5.查找联系人
6.清空通讯录
0.退出通讯录
源码如下：
using.h:

#ifndef USING
#define USING 
using std::endl;
using std::cout;
using std::cin;
using std::string;
const int MAX = 1000;
#endif // !USING

main.cpp:

#include<iostream>
#include<string>
#include"using.h"
//通讯录管理系统
struct People//通讯录中人物信息结构体
{
	string name;
	string phonenumber;
};
struct Addressbook//通讯录结构体
{
	struct People people[MAX];
	int a_size;
};
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;
}
void addperson(struct Addressbook *addressbook)
{
	if (addressbook->a_size == MAX)//判断是否超过最大人数
	{
		cout << "通讯录空间不足" << endl;
	}
	else
	{
		cout << "添加联系人：" << endl;
		cout << "姓名：" ;
		cin >> addressbook->people[addressbook->a_size].name;
		cout << "电话号码：";
		cin >> addressbook->people[addressbook->a_size].phonenumber;
		addressbook->a_size++;
	}
	system("pause");//按任意键继续
	system("cls");//清屏
}
void showperson( const struct Addressbook* addressbook)
{
	for (int i = 0; i < addressbook->a_size; i++)
	{
		cout << " " << i + 1 << "  姓名：" << addressbook->people[i].name <<"  电话号码： "<< addressbook->people[i].phonenumber<< endl;
	}
	system("pause");//按任意键继续
	system("cls");//清屏
}
void deleteperson(struct Addressbook* addressbook)
{
	//首先要查找通讯录中是否有这个人
	int b = 0;//判断数值
	cout << "要删除的联系人姓名：" << endl;
	string name;
	cin >> name;
	for (int i = 0; i < addressbook->a_size; i++)
	{
		if (addressbook->people[i].name == name)
		{
			for (int j = i; j < addressbook->a_size; j++)
			{
				addressbook->people[j] = addressbook->people[j + 1];
			}
			b = 0;
			break;
		}
		else
		{
			b = -1;
		}
	}
	if (b == 0)
	{
		addressbook->a_size--;//通讯录中人数减一
		cout << "删除成功，请刷新后查询" << endl;
	}
	if (b == -1)
	{
		cout << "查无此人" << endl;
	}
	system("pause");//按任意键继续
	system("cls");//清屏
}
void searchperson(const struct Addressbook* addressbook)
{
	int b = 0;//判断是否存在此人
	cout << "输入要查找的人名:" << endl;
	string name;
	cin >> name;
	for (int i = 0; i < addressbook->a_size; i++)
	{
		if (addressbook->people[i].name == name)
		{
			cout << " " << i + 1 << "  姓名：" << addressbook->people[i].name << "  电话号码： " << addressbook->people[i].phonenumber << endl;
			b = 0; 
			break;
		}
		else
		{
			b = -1;
		}
		
	}
	if (b == -1)
	{
		cout << "查无此人" << endl;
	}
	system("pause");//按任意键继续
	system("cls");//清屏
}
void modifyperson(struct Addressbook* addressbook)
{
	int b = 0;
	cout << "输入要修改的联系人姓名:" << endl;
	string name;
	cin >> name;
	for (int i = 0; i < addressbook->a_size; i++)
	{
		if (addressbook->people[i].name == name)
		{
			cout << " " << i + 1 << "  姓名：" << addressbook->people[i].name << "电话号码： " << addressbook->people[i].phonenumber << endl;
			b = i;
			break;
		}
		else
		{
			b = -1;
		}
	}
	if (b == -1)
	{
		cout << "查无此人" << endl;
	}
	else
	{
		cout << "Addressbook modify menu:" << endl;
		cout << "1.修改姓名       " << endl;
		cout << "2.修改电话号码    " << endl;
		cout << "3.退出修改系统" << endl;  
		int h = 0;
		cin >> h;//判断条件
		string name2;
		string phonenumber2;
		switch (h)
		{
		case 1:
			cout << "输入修改后的姓名：" << endl;
			cin >> name2;
			addressbook->people[b].name = name2;
			break;
		case 2:
			cout << "输入修改后的电话号码：" << endl;
			cin >> phonenumber2;
			addressbook->people[b].phonenumber = phonenumber2;
			break;
		case 3:
			break;
		default:
			cout << "输入有误，退出修改系统" << endl;
			break;
		}
	}
	system("pause");//按任意键继续
	system("cls");//清屏
}
void emptyperson(struct Addressbook* addressbook)
{
	addressbook->a_size = 0;
	cout << "清空完成" << endl;
	system("pause");//按任意键继续
	system("cls");//清屏
}


int main()
{
	int choice = 0;
	int a_size = 0;//初始通讯录人数
	struct Addressbook addressbook;
	addressbook.a_size = a_size;
	while (true)
	{
		showmenu();
		
		cin >> choice;
		switch (choice)
		{
		case 1://添加联系人
			addperson(&addressbook);
			break;
		case 2://显示联系人
			showperson(&addressbook);
			break;
		case 3://删除联系人
			deleteperson(&addressbook);
			break;
		case 4://查找联系人
			searchperson(&addressbook);
			break;
		case 5://修改联系人
			modifyperson(&addressbook);
			break;
		case 6://清空联系人
			emptyperson(&addressbook);
			break;
		case 0://退出通讯录
			return 0;
		default:
			cout << "输入错误，退出通讯录" << endl;
			return 0;
		}
	}
	system("pause");
	return 0;
}

❤