通讯录管理系统（黑马程序员C++项目）

#include <iostream>
#include <string>
#define MAX 1000
//联系人结构体
struct Person {
	//姓名
	std::string m_Name;
	//性别
	int m_Sex;
	//年龄
	int m_Age;
	//电话号码
	std::string m_Phone;
	//家庭住址
	std::string m_Addr;

};
struct Addressbooks {
	struct Person personArray[MAX];
	//通讯录中当前的联系人个数
	int m_Size ;
};
//通讯录结构体
using namespace std;
//显示菜单
 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(Addressbooks *abs)
 {
	 //结构体指针->成员   用来访问结构体成员
	 //结构体实例 .变量   用来访问变量
	 
	 //判断通讯录是否已满 
	 if (abs->m_Size == MAX) {
		 cout << "通讯录已满 无法添加！" << endl;
		 return;
	 }
	 else
	 {
		 //姓名
		 std::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) {
			 cin >> sex;
			 if (sex == 1 || sex == 2) {
				 abs->personArray[abs->m_Size].m_Sex = sex;
				 break;
			 }else
			 cout << "输入有误，请重新输入" << endl;
		 }
		
		 //年龄
		 int m_Age;
		 cout << "请输入年龄" << endl;
		 int age = 0;
		 while (true) {
			 cin >> age;
			 if (age >= 0 && age < 150) {
				 abs->personArray[abs->m_Size].m_Age = age;
				 break;
			 }
			 cout << "年龄有误，请重新输入！" << endl;
		 }
		 //电话号码
		 std::string phone;
		 cout << "请输入手机号码" << endl;
		 cin >> phone;
		 abs->personArray[abs->m_Size].m_Phone = phone;

		 //家庭住址
		 std::string addr;
		 cout << "请输入家庭住址" << endl;
		 cin >> addr;
		 abs->personArray[abs->m_Size].m_Addr = addr;

		 cout << "信息录入成功!" << endl;
		 abs->m_Size++;
		 system("pause");
		 system("cls");
	 }
 }
 //2、显示所有联系人信息
 void showPerson(Addressbooks* abs)
 {
	 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");
	 system("cls");

 }

 //判断是否存在查询的人员，存在返回在数组中索引位置，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;
 }

//3、删除指定联系人
void deletePerson(Addressbooks * abs){
	cout<<"请输入您要删除的联系人"<<endl;
	string name;
	cin>>name;
	//ret==-1 查无此人
	//ret!=-1 查到了
	int ret = isExist(abs,name);
	if(ret!=-1){
		//查找到了人 要进行删除操作了
		for(int i=ret;i<abs->m_Size;i++){
			//数据前移
			abs->personArray[i]=abs->personArray[i+1];
		}
		abs->m_Size--;//更新通讯录中成员数
		cout<<"删除成功"<<endl;
		
	}else{
		cout<<"查无此人"<<endl;
	}
	//清屏操作
	system("pause");
	system("cls");
}

//4、查找联系人
void searchPerson(Addressbooks *abs)
{
	string name;
	cout<<"请输入您要查找的人：\n";
	cin>>name;
	if(isExist(abs,name)==-1)cout<<"查无此人"<<endl;
	else 
	{
		cout<<"您要查询的人是\n";
		int i=isExist(abs,name);
		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;
	}
	//清屏操作
	system("pause");
	system("cls");
}
//5、修改指定联系人信息
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);
	//未找到
	if(ret==-1){
		cout<<"查无此人！"<<endl;
	}//找到指定联系人
	else{
		//姓名
		string name;
		cout<<"请输入姓名："<<endl;
		cin>>name;
		abs->personArray[ret].m_Name=name;
		//性别
		int gender=0;
		cout<<"请输入性别："<<endl;
		cout<<"1 --- 男 2 ---女"<<endl;
		while(true){
		cin>>gender;
			if(gender==1||gender==2){
				abs->personArray[ret].m_Sex=gender;
				break;
			}else{
				cout<<"输入错误 请重新输入！"<<endl;
				cout<<"请输入性别："<<endl;
				cout<<"1 --- 男 2 ---女"<<endl;
			}
		}
		//年龄
		int age;
		cout<<"请输入年龄："<<endl;
		cin>>age;
		abs->personArray[ret].m_Age=age;
		//电话
		string phone;
		cout<<"请输入电话："<<endl;
		cin>>phone;
		abs->personArray[ret].m_Phone=phone;
		//住址
		string place;
		cout<<"请输入住址："<<endl;
		cin>>place;
		abs->personArray[ret].m_Addr=place;
		
		cout<<"修改成功！"<<endl;
	}
	system("pause");
	system("cls");
}
//6、清空联系人
void cleanPerson(Addressbooks* abs){
	abs->m_Size=0;
	cout<<"通讯录已清空！"<<endl;
	system("pause");
	system("cls");
}
int main()
{
	int select=0;
	Addressbooks abs;
	abs.m_Size = 0;
	while (true)
	{
		//初始化通讯录中当前成员个数
		
		showMenu();
		cin >> select;
		switch (select)
		{
		case 1://1、添加联系人
			addPerson(&abs);//利用地址传递
			break;
		case 2://2、显示联系人
			showPerson(&abs);
			break;
		case 3://3、删除联系人
			deletePerson(&abs);
			
			break;
		case 4://4、查找联系人
				searchPerson(&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:
			cout << "请输入正确的选项" << endl;
		}
	}
	system("pause");
	return 0;
}