【C++】通讯录案例

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

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 << "*****7、退出通讯录*****" << endl;
    cout << "***********************" << endl;
}

struct Person
{
    string Name;
    int Sex;
    int Age;
    string Phone;
    string addr;
};

struct Addressbooks
{
    struct Person personArray[MAX];
    int Size;
};
//添加联系人
void addPerson(Addressbooks* abs)
{
    if (abs->Size == MAX)
    {
        cout << "通讯录已满，无法添加!" << endl;
    }
    else
    {
        //姓名
        string name;
        cout << "请输入姓名:";
        cin >> name;
        abs->personArray[abs->Size].Name = name;
        //性别
        cout << "请输入性别(1-----男------2-------女)" << endl;
        int sex = 0;
        while (true)
        {
            cin >> sex;
            if (sex == 1 || sex == 2)
            {
                abs->personArray[abs->Size].Sex = sex;
                break;
            }
            cout << "输入有误，请重新输入。" << endl;
        }
        //年龄
        cout << "请输入年龄:" << endl;
        int age = 0;
        cin >> age;
        abs->personArray[abs->Size].Age = age;
        //电话
        cout << "请输入联系电话:" << endl;
        string phone;
        cin >> phone;
        abs->personArray[abs->Size].Phone = phone;
        //地址
        cout << "请输入居住地址:" << endl;
        string addres;
        cin >> addres;
        abs->personArray[abs->Size].addr = addres;
        //更新人数
        abs->Size++;
        cout << "添加成功!" << endl;
        //清屏
        system("pause");
        system("cls");
    }
}
//显示联系人
void showPerson(Addressbooks* abs)
{
    if (abs->Size == 0) {
        cout << "当前记录为空" << endl;
    }
    else {
        for (int i = 0; i < abs->Size; i++) {
            cout << "姓名:" << abs->personArray[i].Name << "\t";
            cout << "  姓别:" << (abs->personArray[i].Sex == 1 ? "男":"女") << "\t";
            cout << "  年龄:" << abs->personArray[i].Age << "\t";
            cout << "  电话:" << abs->personArray[i].Phone << "\t";
            cout << "  地址:" << abs->personArray[i].addr << endl;
            cout << "----------显示完成--------------" << endl;
        }
        system("pause");
        system("cls");
    }
}
//检查联系人
int isExist(Addressbooks* abs, string name)
{
    for (int i = 0; i < abs->Sizes; i++) {
        if (abs->personArray[i].Name == name) {
            return i;
        }   
    }
    return -1;
}
//删除联系人
void deletePeron(Addressbooks* abs)
{
    cout << "请输入您要删除的联系人:";
    string name;
    cin >> name;
    int ret = isExist(abs, name);
    if (ret != -1) {
        for (int i = ret; i < abs->Size; i++) {
            abs->personArray[i] = abs->personArray[i + 1]; 
        }
        abs->Size--;
        cout << "删除成功!" << endl;
    }
    else {
        cout << "查无此人！" << endl;
    }
    system("pasue");
    system("cls");
}

void finePerson(Addressbooks * abs)
{
    cout << "请输入您要查找的联系人:";
    string name;
    cin >> name;
   int ret = isExist(abs, name);
   if (ret != -1) {
       cout << "姓名:" << abs->personArray[ret].Name << "\t";
       cout << "  姓别:" << (abs->personArray[ret].Sex == 1 ? "男" : "女") << "\t";
       cout << "  年龄:" << abs->personArray[ret].Age << "\t";
       cout << "  电话:" << abs->personArray[ret].Phone << "\t";
       cout << "  地址:" << abs->personArray[ret].addr << endl;
       cout << "----------显示完成--------------" << endl;
   }
   else {
       cout << "查无此人" << endl;
   }
   system("pause");
   system("cls");
}

//修改联系人
void modifyPerson(Addressbooks* abs)
{
    cout << "请输入您要修改的联系人:";
    string name;
    cin >> name;
    int ret = isExist(abs, name);
    if (ret != -1) {
        //姓名
        string name;
        cout << "请输入姓名:";
        cin >> name;
        abs->personArray[ret].Name = name;
        //性别
        cout << "请输入性别 1---男  2---女：";
        int sex = 0;
        while (true) {
            if (sex == 1 || sex == 2) {
                abs->personArray[ret].Sex = sex;
                break;
            }
            cout << "请输入正确的信息！";
        }
        //年龄
        cout << "请输入年龄:";
        int age = 0;
        cin >> age;
        abs->personArray[ret].Age = age;
        //电话
        cout << "请输入联系电话:";
        string phone;
        cin >> phone;
        abs->personArray[ret].Phone = phone;
        //地址
        cout << "请输入一个家庭住址:";
        string address;
        cin >> address;
        abs->personArray[ret].addr = address;
        cout << "修改成功！";
    }
    else {
        cout << "查无此人！" << endl;
    }
    system("pause");
    system("cls");
}

//清空联系人
void cleanPerson(Addressbooks* abs)
{
    abs->Size = 0;
    cout << "通讯录已清空！" << endl;
    system("pause");
    system("cls");
}
int main()
{
    Addressbooks abs;
    abs.Size = 0;
    int select = 0;
     while (true) {
        showMenu();
        cin >> select;
        switch (select)
        {
            case 1:
                addPerson(&abs);
               break;
            case 2:
                showPerson(&abs);
               break;
            case 3:
                deletePeron(&abs);
               break;
            case 4:
                finePerson(&abs);   
               break;
            case 5:
                modifyPerson(&abs);
                 break;
            case 6:
                cleanPerson(&abs);
                 break;
            case 7:
                  cout << "欢迎下次使用" << endl;
                  system("pause");
                  return 0;
                  break;
            default:
                    break;
        }
   }
    system("pause");
    return 0;
}