#include<iostream>
using namespace std;
#include<string>
#define MAX 200//通讯录最大人数限制
int exist(struct list *List, string name);//查找联系人是否存在函数的声明
void menu()//主界面
{
	cout << "\t|通讯录|" << endl;	
	cout << "**********************" << endl;
	cout << "*****1.添加联系人*****" << endl;
	cout << "*****2.修改联系人*****" << endl;
	cout << "*****3.显示联系人*****" << endl;
	cout << "*****4.删除联系人*****" << endl;
	cout << "*****5.查找联系人*****" << endl;
	cout << "*****6.清空联系人*****" << endl;
	cout << "***** 7.退出系统 *****" << endl;
	cout << "**********************" << endl;
}
struct member//成员基本信息
{
	string m_name;
	string m_sex;
	int m_age;
	string m_phone;
	string m_addr;
};
struct list
{
	struct member arr[MAX];
	int num;//记录通讯录中成员个数
};
void add(struct list *List)//1.添加联系人函数
{
	if (List->num == MAX)
	{
		cout << "通讯录已满，无法添加！" << endl;
	}
	else
	{
		cout << "请输入联系人姓名：" << endl;
		string name;
		cin >> name;
		List->arr[List->num].m_name = name;
		
		cout << "请输入联系人性别：" << endl;
		string sex;
		while (1)
		{
			cin >> sex;
			if (sex == "男" || sex == "女")
			{
				List->arr[List->num].m_sex = sex;
				break;
			}
			else
				cout << "输入错误，请重新输入！" << endl;
		}
		
		cout << "请输入联系人年龄：" << endl;
		int age;
		cin >> age;
		List->arr[List->num].m_age = age;

		cout << "请输入联系人电话：" << endl;
		string phone;
		cin >> phone;
		List->arr[List->num].m_phone = phone;

		cout << "请输入联系人地址：" << endl;
		string addr;
		cin >> addr;
		List->arr[List->num].m_addr = addr;

		List->num++;
		cout << "添加成功！" << endl;
	}
	system("pause");
	system("cls");//清屏
}
void modify(struct list *List)//2.修改联系人函数
{
	cout << "请输入要修改的联系人姓名" << endl;
	string name;
	cin >> name;
	int ret=exist(List, name);
	if (ret == -1)
		cout << "查无此人！" << endl;
	else
	{
		cout << "输入修改后的姓名：" << endl;
		cin >> name;
		List->arr[ret].m_name = name;
		cout << "输入修改后的性别：" << endl;
		string sex;
		cin >> sex;
		List->arr[ret].m_sex = sex;
		cout << "输入修改后的年龄：" << endl;
		int age;
		cin >> age;
		List->arr[ret].m_age = age;
		cout << "输入修改后的电话：" << endl;
		string phone;
		cin >> phone;
		List->arr[ret].m_phone = phone;
		cout << "输入修改后的地址：" << endl;
		string addr;
		cin >>addr;
		List->arr[ret].m_addr = addr;
		cout << "修改成功！" << endl;
	}
	system("pause");
	system("cls");
}
void show(struct list List)//3.显示联系人函数
{
	if (List.num == 0)
		cout << "没有联系人！" << endl;
	else
	{
		for (int i = 0; i < List.num; i++)
		{
			cout << i + 1<<"."<<"姓名：" << List.arr[i].m_name << endl;
			cout << "  性别：" << List.arr[i].m_sex << endl;
			cout << "  年龄：" << List.arr[i].m_age << endl;
			cout << "  电话：" << List.arr[i].m_phone << endl;
			cout << "  地址：" << List.arr[i].m_addr << endl;
			
		}
		cout << "共" << List.num << "个联系人" << endl;
	}
	system("pause");
	system("cls");
}
int exist(struct list *List,string name)//查找联系人是否存在函数
{
	for (int i = 0; i < List->num; i++)
	{
		if (List->arr[i].m_name == name)
		{
			return i;//找到已存入通讯录的姓名,返回该序号
		}
	}
	return -1;//没找到
}
void del(struct list *List)//4.删除联系人函数
{
	cout << "请输入要删除的联系人姓名" << endl;
	string name;
	cin >> name;
	int ret=exist(List, name);
	if (ret == -1)
	{
			cout << "查无此人！" << endl;
	}
	else
	{
		for (int i = ret; i < List->num; i++)
		{
			List->arr[i] = List->arr[i + 1];//使后面的数据逐一覆盖到前一个数据上，使要删除的数据消失
		}
		List->num--;//通讯录成员数量减一
		cout << "已删除！" << endl;
	}
	system("pause");
	system("cls");
}
void find(struct list *List)//5.查找联系人函数
{
	cout << "请输入所要查找的联系人姓名：" << endl;
	string name;
	cin >> name;
	int ret=exist(List, name);
	if (ret == -1)
	{
		cout << "查无此人！" << endl;
	}
	else
	{
		    cout << "姓名：" << List->arr[ret].m_name << endl;
			cout << "性别：" << List->arr[ret].m_sex << endl;
			cout << "年龄：" << List->arr[ret].m_age << endl;
			cout << "电话：" << List->arr[ret].m_phone << endl;
			cout << "地址：" << List->arr[ret].m_addr << endl;
	}
	system("pause");
	system("cls");
}
void clear(struct list *List)//6.清空联系人函数
{
	List->num = 0;
	cout << "通讯录已清空！" << endl;
	system("pause");
	system("cls");
}
int main()
{
	struct list List;
	List.num = 0;//初始化成员个数为0
	int select = 0;
	while (1)
	{
		menu();
		cin >> select;
		switch (select)
		{
		case 1:
			add(&List);
			break;
		case 2:
			modify(&List);
			break;
		case 3:
			show(List);
			break;
		case 4:
			del(&List);
			break;
		case 5:
			find(&List);
			break;
		case 6:
			clear(&List);
			break;
		case 7:
			cout << "欢迎下次使用" << endl;
			system("pause");
			return 0;
			break;
		default:
			break;
		}
	}
	system("pause");
	return 0;
}