C++案例简单通讯录

#include <iostream>
#include <string>
 
#define MAX 1000//最大人数
 
using namespace std;
 
//菜单功能
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;
 
 
};
//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; //年龄
    string m_Phone; //电话
    string m_Addr; //住址
};
 
//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
};
 
//添加联系人
void addPerson(Addressbooks *p) {
 
    if (p->m_Size == MAX) {
        cout << "无法添加联系人" << endl;
        return;
    }
    string name;
    cout << "请输入姓名：" << endl;
    cin >> name;
    int sex;
    cout << "请输入性别：" << endl;
    cout << "1 男" << endl;
    cout << "2 女" << endl;
    while (true) {
        cin >> sex;
        if (sex == 1 || sex == 2) {
            break;
        } else {
            cout << "输入有误，请重新输" << endl;
        }
    }
    int age;
    cout << "请输入年龄：" << endl;
    cin >> age;
    string phone;
    cout << "请输入电话：" << endl;
    cin >> phone;
    string address;
    cout << "请输入地址：" << endl;
    cin >> address;
    p->personArray[p->m_Size] = {name, sex, age, phone, address};
    p->m_Size++;
    cout << "添加成功" << endl;
    system("pause"); //请按任意键继续
    system("cls"); //清屏操作
}
 
//显示联系人
void showPerson(Addressbooks *abs) {
    if (abs->m_Size == 0) {
        cout << "当前记录为空" << endl;
        return;
    }
    for (int i = 0; i < abs->m_Size; ++i) {
        Person tem = abs->personArray[i];
        cout
                << "姓名：" << tem.m_name << "\t"
                << " 年龄：" << tem.m_age << "\t"
                << " 性别：" << (tem.m_Sex == 1 ? "男" : "女") << "\t"
                << " 电话：" << tem.m_Phone << "\t"
                << " 地址：" << tem.m_Addr
                << endl;
    }
    system("pause"); //请按任意键继续
    system("cls"); //清屏操作
}
 
//检测联系人是否存在 如果存在 返回位置 否则返回-1;
int isExist(Addressbooks *p, string name) {
    if (p->m_Size == 0) {
        return -1;
    }
    for (int i = 0; i < p->m_Size; ++i) {
        if (p->personArray[i].m_name == name) {
            return i;
        }
    }
    return -1;
}
 
//删除指定联系人
void deletePerson(Addressbooks *p) {
    cout << "请输入删除联系人的姓名：" << endl;
    string name;
    cin >> name;
    int ret = isExist(p, name);
    if (ret == -1) {
        cout << "查无此人" << endl;
    } else {
        for (int i = ret; i < p->m_Size; ++i) {
            p->personArray[i] = p->personArray[i + 1];
        }
        p->personArray[p->m_Size - 1] = {};
        p->m_Size--;
        cout << "删除成功" << endl;
    }
    system("pause"); //请按任意键继续
    system("cls"); //清屏操作
}
 
//查找联系人
void findPerson(Addressbooks *p) {
    cout << "请输入您要查找的联系人" << endl;
    string name;
    cin >> name;
    int ret = isExist(p, name);
    if (ret != -1) {
        Person tem = p->personArray[ret];
        cout
                << "姓名：" << tem.m_name << "\t"
                << " 年龄：" << tem.m_age << "\t"
                << " 性别：" << (tem.m_Sex == 1 ? "男" : "女") << "\t"
                << " 电话：" << tem.m_Phone << "\t"
                << " 地址：" << tem.m_Addr
                << endl;
    } else {
        cout << "查无此人" << endl;
    }
    system("pause"); //请按任意键继续
    system("cls"); //清屏操作
}
 
//修改联系人
void modifyPerson(Addressbooks *p) {
    cout << "请输入您要修改的联系人" << endl;
    string name;
    cin >> name;
    int ret = isExist(p, name);
    if (ret != -1) {
        string name;
        cout << "请输入姓名：" << endl;
        cin >> name;
        int sex;
        cout << "请输入性别：" << endl;
        cout << "1 男" << endl;
        cout << "2 女" << endl;
        while (true) {
            cin >> sex;
            if (sex == 1 || sex == 2) {
                break;
            } else {
                cout << "输入有误，请重新输" << endl;
            }
        }
        int age;
        cout << "请输入年龄：" << endl;
        cin >> age;
        string phone;
        cout << "请输入电话：" << endl;
        cin >> phone;
        string address;
        cout << "请输入地址：" << endl;
        cin >> address;
        p->personArray[ret] = {name, sex, age, phone, address};
        cout << "修改成功" << endl;
    } else {
        cout << "查无此人" << endl;
    }
    system("pause"); //请按任意键继续
    system("cls"); //清屏操作
}
 
//清空联系人
void cleanPerson(Addressbooks *p) {
    p->m_Size = 0;
    cout << "通讯录已清空" << endl;
    system("pause"); //请按任意键继续
    system("cls"); //清屏操作
}
 
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的个数
    abs.m_Size = 0;
    int select = 0;
    while (true) {
//    菜单
        showMenu();
        cin >> select;
        switch (select) {
            case 1: //添加联系人
                addPerson(&abs);
                break;
            case 2: //显示联系人
                showPerson(&abs);
                break;
            case 3: //删除联系人
                deletePerson(&abs);
                break;
            case 4: //查找联系人
                findPerson(&abs);
                break;
            case 5: //修改联系人
                modifyPerson(&abs);
                break;
            case 6: //清空联系人
                cleanPerson(&abs);
                break;
            case 0: //退出通讯录
                cout << "欢迎下次使用" << endl;
                return 0;
                break;
            default:
                break;
        }
    }
    return 0;
}