通讯录管理系统

前言

通讯录管理系统

---

#include<iostream>
#include<string>	//string头文件
using namespace std;

const int MAX =  1000	//最大人数

//1.联系人结构体
struct person
{
	string m_name; 	
	int m_sex;
	int m_age;
	string m_phone;	//电话
	string m_addr;	//住址
};
//2.通讯录结构体
struct addressbooks
{
	struct person arr[MAX];	//通讯录中保存的联系人数组
	int m_size;	//通讯录中人员个数
};
//3.显示菜单的函数
void menu()
{
	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;
}
//4.添加成员函数
void add_person(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->arr[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 = -1;
		while(true)
		{
			//如果输入的是 1 或 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->arr[abs->m_size].m_sex = sex;
				break;
			}
			cout << "输入有误，请重新输入" << endl;
		}
		//年龄
		int age;
		cout << "请输入年龄：" << endl;
		cin >> age;
		abs->arr[abs->m_size].m_age = age;
		 
		 //电话
		string phone;
		cout << "请输入电话：" << endl;
		cin >> phone;
		abs->arr[abs->m_size].m_phone = phone;

		//地址
		string address;
		cout << "请输入地址：" << endl;
		cin >> address;
		abs->arr[abs->m_size].m_addr = address;
		
		//更新通讯录人数
		abs->m_size++;
		cout << "添加成功" << endl;
		system("pause");	//请按任意键继续
		system("cls");	//清屏操作
	}
}
//5.显示所有联系人
void show_person(addressbooks *abs)
{
	 //判断通讯录中人数是否为0，如果为0，提示记录为空
	 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->arr[i].m_name << "\t";
			 cout << "性别： " << (abs->arr[i].m_sex == 1? "男": "女")<< "\t";
			 cout << "年龄：  " << abs->arr[i].m_age << "\t";
			 cout << "电话： " << abs->arr[i].m_phone << "\t";
			 cout << "地址： " << abs->arr[i].m_addr << endl;
		 }
	 }
	 system("pause");
	 system("cls");
}
//6.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
int is_exist(addressbooks *abs, string name)	//参数1    通讯录 		参数2      	对比姓名
{
	for (int i = 0; i < abs->m_size;i++)
	{
		//对比姓名，找出位置
		if(name == abs->arr[i].m_name)
		{
			return i;
		}
	}
	return -1; 	//如果遍历结束都没有找到，就返回-1
}
//7.删除联系人
void delete_person(addressbooks *abs)
{
	cout << "请输入你要删除的联系人：" << endl;
	string name;
	cin >> name;
	//is_exist == -1 未查到
	//is_exist != -1 查到了
	int ret = is_exist(abs, name);
	if(ret != -1)
	{
		//查找到人，要进行删除操作
		for (int i = ret; ret < abs->m_size-1;i++)
		{
			//数据前移
			abs->arr[i] = abs->arr[i + 1];
		}
		abs->m_size--;	//更新通讯录中的人数
		cout << "删除成功" << endl;
	}
	else
	{
		cout << "查无此人" << endl;
	}
	system("pause");
	system("cls");
}
//8.查找指定联系人的信息
void find_person(addressbooks *abs)
{
	cout << "请输入你要查找的联系人：" << endl;
	string name;
	cin >> name;
	//判断指定联系人是否存在
	int ret = is_exist(abs, name);
	if(ret != -1)	//找到联系人
	{
		 	cout << "姓名： " << abs->arr[ret].m_name << "\t";
			 cout << "性别： " << (abs->arr[ret].m_sex == 1? "男": "女")<< "\t";
			 cout << "年龄：  " << abs->arr[ret].m_age << "\t";
			 cout << "电话： " << abs->arr[ret].m_phone << "\t";
			 cout << "地址： " << abs->arr[ret].m_addr << endl;
	}else{
		cout << "查无此人" << endl;
	}
	system("pause");
	system("cls");
}
//9.修改联系人
void modify_person(addressbooks *abs)
{
	cout << "请输入想要修改的联系人名字：" << endl;
	string name;
	cin >> name;
	//判断该联系人是否存在
	int ret1 = is_exist(abs, name);
	if(ret1 != -1)
	{
		//姓名
		string name;
		cout << "请输入姓名：" << endl;
		cin >> name;
		abs->arr[ret1].m_name = name;

		//性别
		cout << "请输入性别：" << endl;
		cout << "1 -- 男" << endl;
		cout << "2 -- 女" << endl;
		int sex = -1;
		while(true)
		{
			//如果输入的是 1 或 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->arr[ret1].m_sex = sex;
				break;
			}
			cout << "输入有误，请重新输入" << endl;
		}
		//年龄
		int age;
		cout << "请输入年龄：" << endl;
		cin >> age;
		abs->arr[ret1].m_age = age;
		 
		 //电话
		string phone;
		cout << "请输入电话：" << endl;
		cin >> phone;
		abs->arr[ret1].m_phone = phone;

		//地址
		string address;
		cout << "请输入地址：" << endl;
		cin >> address;
		abs->arr[ret1].m_addr = address;
		cout << "修改成功" << endl;
	}
	else
	{
		cout << "查无此人" << endl;
	}
	system("pause");
	system("cls");
}
//10.清空联系人
void clean_person(addressbooks *abs)
{
	abs->m_size = 0;
	cout << "通讯录已空" << endl;
	system("pause");
	system("cls");
}

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 choice = -1;
	while(true)
	{
	menu();	//菜单调用
	cin >> choice;
	switch(choice)
	{
		case 1:
			add_person(&abs);	//利用地址传递，可以修饰实参
			break;
		case 2:
			show_person(&abs);	//显示所有联系人
			break;
		case 3:
			delete_person(&abs);	//删除联系人
			break;
		case 4:
			find_person(&abs);		//查找联系人
			break;
		case 5:
			modify_person(&abs);	//修改联系人
			break;
		case 6:
			clean_person(&abs);		//清空联系人
			break;
		case 0:
			cout << "欢迎下次使用" << endl;
			system("pause");
			exit(0);	//退出系统
			break;
		default:
			system("cls");
			break;
		}
	}
	return 0;
}