黑马C++ 通讯录管理系统

#include <iostream>
#include <string> 
using namespace std;

#define MAX 1000 // 最大人数 

// 联系人结构体 
struct Person {
    string m_Name; // 姓名
    int m_Sex; // 性别：1男 2女
    int m_Age; 
    string m_Phone;
    string m_Addr; 
};

// 通讯录结构体
struct Addressbooks {
    struct Person personArray[MAX]; // 通讯录中保存的联系人数组
    int m_Size; // 通讯录中人员的个数
};



// 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、添加联系人信息
void addPerson(Addressbooks *abs) {
    // 判断电话本是否满了
    if (abs->m_Size == MAX) {
        cout << "通讯录已满，无法添加" << endl;
        return;
    } else {
        // 姓名
        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：（1-男，2-女）" << endl;
        int sex = 0;
        while (true) {
            cin >> sex;
            if (sex == 1 || sex == 2) {
                abs->personArray[abs->m_Size].m_Sex = sex;
                break;
            }
            cout << "输入有误，请重新输入";
        }

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

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

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

        // 更新通讯录人数
        abs->m_Size++;

        cout << "添加成功！" << endl;
        system("pause");
        system("cls");
    }
}

// 2、显示所有联系人的信息
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");
}

// 判断查询的人员姓名是否存在，存在返回在数组中的索引位置，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、删除指定的联系人信息
void deletePerson(Addressbooks *abs) {
    cout << "请输入要删除的联系人：" << endl;
    string name;
    cin >> name;
    
    int res = isExist(abs, name);
    if (res != -1) {
        for (int i = res; i < abs->m_Size; i++) {
            abs->personArray[i] = abs->personArray[i + 1];
        }
        abs->m_Size--;
        cout << "删除成功！" << endl;
    } else {
        cout << "查无此人！" << endl;
    }
    system("pause");
    system("cls");
}

// 4、查找指定联系人信息
void findPerson(Addressbooks *abs) {
    cout << "请输入要查找的联系人：" << endl;
    string name;
    cin >> name;

    int res = isExist(abs, name);
    if (res != -1) {
        cout << "姓名：" << abs->personArray[res].m_Name << "\t";
        cout << "性别：" << abs->personArray[res].m_Sex << "\t";
        cout << "年龄：" << abs->personArray[res].m_Age << "\t";
        cout << "电话：" << abs->personArray[res].m_Phone << "\t";
        cout << "住址：" << abs->personArray[res].m_Addr << endl;
    } else {
        cout << "查无此人！" << endl;
    }
    system("pause");
    system("cls");
}

// 5、修改指定联系人信息
void modifyPerson(Addressbooks *abs) {
    cout << "请输入要修改的联系人：" << endl;
    string name;
    cin >> name;

    int res = isExist(abs, name);
    if (res != -1) {
        // 姓名
        string new_Name;
        cout << "请输入姓名：" << endl;
        cin >> new_Name;
        abs->personArray[res].m_Name = new_Name;

        cout << "请输入性别：1-男，2-女：" << endl;

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

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

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

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

        cout << "修改成功" << endl; 
    } else {
        cout << "查无此人！" << endl;
    }
    system("pause");
    system("cls");
}

// 6、清空所有联系人
void cleanPerson(Addressbooks *abs) {
    abs->m_Size = 0;
    cout << "通讯录已清空！" << endl;
    system("pause");
    system("cls");
} 

int main() {
    // 创建通讯录
    Addressbooks abs;
    // 初始化通讯录的人数
    abs.m_Size = 0;

    int select = 0;
    while (true) {
        showMenu();
        cin >> select;
        switch (select) {
            case 1:
                addPerson(&abs);
                break;
            case 2:
                showPerson(&abs);
                break;
            case 3:
                deletePerson(&abs);
                break;
            case 4:
                findPerson(&abs);
                break;
            case 5:
                modifyPerson(&abs);
                break;
            case 6:
                cleanPerson(&abs);
                break;
            case 0:
                cout << "欢迎下次使用" << endl;
                system("pause");
                return 0;
                break;
            default:
                break;
        }
    }
    system("pause");
    return 0;
}