C++实现通讯录管理系统

#include<iostream>
#include<string>
using namespace std;
#define MAX 1000

//设计联系人的结构体
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;
};
//设计通讯录的结构体
struct AddressBooks {
	//通讯录中保存的联系人的数组
	struct Person personArray[MAX];
	//通讯录中当前记录的联系人个数
	int m_Size;
};

//添加联系人的功能
void addPerson(AddressBooks * abs) {
	//姓名
	string name;
	cout << "请输入联系人的姓名： " << endl;
	cin >> name;
	abs->personArray[abs->m_Size].m_Name = name;
	//性别 输入1为男 输入2为女
	int sex = 0;
	cout << "请输入联系人的性别： " << endl;
	while (true)
	{
		cin >> sex;
		if (sex == 1 || sex == 2) {
			abs->personArray[abs->m_Size].m_Sex = sex;
			break;
		}
		cout << "你输入的性别有误，请重新输入！" << endl;
	}
	//年龄
	int age = 0;
	cout << "请输入联系人的年龄： " << endl;
	cin >> age;
	abs->personArray[abs->m_Size].m_Age = age;
	//电话
	string phone;
	cout << "请输入联系人的电话： " << endl;
	cin >> phone;
	abs->personArray[abs->m_Size].m_Phone = phone;
	//地址
	string address;
	cout << "请输入联系人的地址： " << endl;
	cin >> address;
	abs->personArray[abs->m_Size].m_Addr = address;
	abs->m_Size++;
	cout << "联系人添加成功！" << endl;
	//请按任意键操作
	system("pause");
	//清屏操作
	system("cls");
}

//显示联系人功能
void showPerson(AddressBooks * abs) {
	if (abs->m_Size == 0) {
		cout << "当前通讯录为空！" << 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");
	system("cls");
}

//定义一个方法来判断删除的用户是否存在，如果存在返回下标，如果不存在返回-1
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;
}

//定义一个方法来根据联系人名称删除指定联系人
void deletePerson(AddressBooks * abs) {
	string name;
	cout << "请输入你要删除联系人的名字：" << endl;
	cin >> name;
	int ret = isExist(abs, name);
	//如果查到了联系人
	if (ret != -1) {
		//删除联系人
		for (int i = ret; i < abs->m_Size; i++) {
			//从要删除的下标开始前移
			abs->personArray[i] = abs->personArray[i + 1];
		}
		abs->m_Size--;
		cout << "联系人删除成功！" << endl;
	}
	else {
		cout << "查无此人！" << endl;
	}
	system("pause");
	system("cls");
}

//定义一个方法来查找联系人
void findPerson(AddressBooks * abs) {
	string name;
	cout << "请输入你要查找的联系人的姓名：" << endl;
	cin >> name;
	int ret = isExist(abs, name);
	if (ret != -1) {
		cout << "姓名： " << abs->personArray[ret].m_Name << "\t";
		cout << "性别： " << (abs->personArray[ret].m_Sex==1?"男":"女") << "\t";
		cout << "年龄： " << abs->personArray[ret].m_Age << "\t";
		cout << "电话： " << abs->personArray[ret].m_Phone << "\t";
		cout << "地址： " << abs->personArray[ret].m_Addr << endl;
	}
	else {
		cout << "查无此人！" << endl;
	}
	system("pause");
	system("cls");
}

//定义修改联系人的方法
void updatePerson(AddressBooks * abs) {
	string name;
	cout << "请输入你要修改的联系人的姓名：" << endl;
	cin >> name;
	int ret = isExist(abs, name);
	if (ret != -1) {
		string nextName;
		cout << "请输入修改的姓名：" << endl;
		cin >> nextName;
		abs->personArray[ret].m_Name = nextName;
		int nextSex;
		cout << "请输入修改的性别：" << endl;
		cin >> nextSex;
		abs->personArray[ret].m_Sex = nextSex;
		int nextAge;
		cout << "请输入修改的年龄：" << endl;
		cin >> nextAge;
		abs->personArray[ret].m_Age = nextAge;
		string nextPhone;
		cout << "请输入修改的电话：" << endl;
		cin >> nextPhone;
		abs->personArray[ret].m_Phone = nextPhone;
		string nextAddr;
		cout << "请输入修改的地址：" << endl;
		cin >> nextAddr;
		abs->personArray[ret].m_Addr = nextAddr;
		cout << "修改成功！" << endl;
	}
	else {
		cout << "查无此人！" << endl;
	}
	system("pause");
	system("cls");
}

//定义一个方法清空通讯录
void cleanAddress(AddressBooks * abs) {
	abs->m_Size = 0;
	cout << "通讯录已清空！" << endl;
	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() {
	//定义一个通讯录的结构体
	AddressBooks abs;
	//初始化通讯录中联系人为0
	abs.m_Size = 0;
	int select = 0;//定义一个用户的选项，默认为0
	while (true)
	{
		showMenu();
		cin >> select;
		switch (select)
		{
		case 1: //添加联系人
			addPerson(&abs); //将通讯录的变量地址传入
			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
			updatePerson(&abs);
			break;
		case 6: //清空通讯录
			cleanAddress(&abs);
			break;
		case 0:
			cout << "欢迎下次使用" << endl;
			system("pause");
			return 0;
			break;
		default:
			break;
		}
	}
	system("pause");
	return 0;
}