C++实现命令行通讯录

/*
    封装函数显示界面  void showMenu()
*/
#include<iostream>
using namespace std;
#include<string>
#define MAX 1000
// 设计联系人结构体
struct Person
{
    // name
    string m_Name;
    // sex 1 man 2 woman
    int m_Sex;
    int m_Age;
    string m_Phone;
    string m_Addr;
};

// 设计通讯录结构体
struct Addressbooks
{
    // 通讯录中保存的联系人数组
    struct Person personArray[MAX];

    // 通讯录中当前记录联系人个数
    int num;
};

//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;
}
// 1、添加联系人
void addPerson(Addressbooks * abs)
{
    // 判断通讯录是否已满，已满就不添加
    if(abs->num == MAX)
    {
        cout << "通讯录已满，不能添加！" << endl;
        return ;
    }
    else
    {
        // 添加具体联系人
        // 姓名
        string name;
        cout << "请输入姓名：" << endl;
        cin >> name;
        abs->personArray[abs->num].m_Name = name;

        // 性别
        int sex = 0;
        cout << "请输入性别：
1 --- 男
2 --- 女" << endl;
        while(true)
        {
            cin >> sex;
            if(sex == 1 || sex == 2)
            {
                abs->personArray[abs->num].m_Sex = sex;
                break;
            }
            cout << "输入有误，请重新输入" << endl;
        }

        // 年龄
        int age = 0;
        cout << "请输入年龄：" << endl;
        cin >> age;
        abs->personArray[abs->num].m_Age = age;

        // 电话
        string phone;
        cout << "请输入联系电话：" << endl;
        cin >> phone;
        abs->personArray[abs->num].m_Phone = phone;

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

        cout << "添加成功" << endl;

        system("pause"); // 请按任意键继续
        system("cls"); // 清屏操作

    }
}

// 2、显示联系人
void showPerson(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->num == 0)
    {
        cout << "当前记录为空" << endl;
    }
    else
    {
        for(int i = 0; i < abs->num; i++)
        {
            cout << "姓名: " << abs->personArray[i].m_Name << "	";
            cout << "性别: " << (abs->personArray[i].m_Sex == 1 ? "男" : "女") << "	";
            cout << "年龄: " << abs->personArray[i].m_Age << "	";
            cout << "电话: " << abs->personArray[i].m_Phone << "	";
            cout << "住址: " << abs->personArray[i].m_Addr << endl;
        }
    }
    system("pause");
    system("cls");
}

// 3、删除联系人
// 检测联系人是否存在，若存在，返回联系人所在数组中的具体位置，不存在返回-1
int isExist(Addressbooks * abs, string name)
{
    for(int i = 0; i < abs->num; i++)
        if(abs->personArray[i].m_Name == name)
            return i;    
    return -1;
}
// 封装删除联系人函数
void deletePerson(Addressbooks * abs)
{
    cout << "请输入要删除的联系人名字" << endl;
    string name;
    cin >> name;

    int ret = isExist(abs, name);
    // ret == -1 不存在
    // ret != -1 存在，得删
    if(ret != -1)
    {
        for(int i = ret; i < abs->num; i++)
            abs->personArray[i] = abs->personArray[i+1];
        abs->num--;
        cout << "删除成功" << endl;
    }
    else
        cout << "查无此人" << endl;
    system("pause");
    system("cls");
}

// 4、查找联系人
void findPerson(Addressbooks * abs)
{
    cout << "请输入要查找的联系人名字" << endl;
    string name;
    cin >> name;

    int ret = isExist(abs, name);
    // ret == -1 不存在
    // ret != -1 存在，得删
    if(ret != -1)
    {
        cout << "姓名: " << abs->personArray[ret].m_Name << "	";
        cout << "性别: " << (abs->personArray[ret].m_Sex == 1 ? "男" : "女") << "	";
        cout << "年龄: " << abs->personArray[ret].m_Age << "	";
        cout << "电话: " << abs->personArray[ret].m_Phone << "	";
        cout << "住址: " << abs->personArray[ret].m_Addr << endl;
    }
    else
        cout << "查无此人" << endl;

    system("pause");
    system("cls");
}

// 5、修改联系人
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);
    if(ret != -1)
    {
        // name
        string name;
        cout << "请输入姓名：" << endl;
        cin >> name;
        abs->personArray[ret].m_Name = name;
        // sex
        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[ret].m_Sex = sex;
                break;
            }
            cout << "输入有误，请重新输入" << endl;
        }
        // age
        cout << "请输入年龄：" << endl;
        int age = 0;
        cin >> age;
        abs->personArray[ret].m_Age = age;
        // phone
        cout << "请输入联系电话" << endl;
        string phone;
        cin >> phone;
        abs->personArray[ret].m_Phone = phone;
        // address
        cout << "请输入家庭住址" << endl;
        string address;
        cin >> address;
        abs->personArray[ret].m_Addr = address;
        cout << "修改成功" << endl;
    }
    else
        cout << "查无此人" << endl;
    system("pause");
    system("cls");
}

//6、清空联系人
void cleanPerson(Addressbooks * abs)
{
    cout << "是否确定要清空? 1 是 0 否" << endl;
    int res;
    cin >> res;
    if(res == 1){
        abs->num = 0; // 将当前记录联系人数量置为0，做逻辑清空
        cout << "通讯录已清空" << endl;
    }
    else
        cout << "没有清空通讯录" << 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.num = 0;

    int select = 0; // 创建用户选择输入的变量

    while(true)
    {
        showMenu();

    cin >> select;

    switch(select)
    {
    case 1: // 1、添加联系人
        addPerson(&abs);
            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
        findPerson(&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:
            break;
    }

    }

    //菜单的调用
    

    system("pause");
    return 0;
}

C++基础--通讯录管理系统