C++通讯录管理系统代码示例

C++通讯录管理系统代码示例：

include

include

include

using namespace std;

// 定义联系人结构体

struct Contact {

string name;

string phone;

string email;

};

// 添加联系人

void addContact(vector& contacts) {

Contact newContact;

cout << "请输入姓名: ";
cin >> newContact.name;
cout << "请输入电话号码: ";
cin >> newContact.phone;
cout << "请输入邮箱地址: ";
cin >> newContact.email;

contacts.push_back(newContact);
cout << "联系人添加成功！" << endl;

}

// 显示所有联系人

void displayContacts(const vector& contacts) {

if (contacts.empty()) {

cout << "通讯录为空！" << endl;

} else {

cout << "通讯录中的联系人如下：" << endl;

for (const auto& contact : contacts) {

cout << "姓名: " << contact.name << " 电话: " << contact.phone << " 邮箱: " << contact.email << endl;

}

}

}

// 主菜单

void mainMenu(vector& contacts) {

while (true) {

cout << "请选择操作：" << endl;

cout << "1. 添加联系人" << endl;

cout << "2. 显示所有联系人" << endl;

cout << "3. 退出程序" << endl;

    int choice;
    cin >> choice;

    switch (choice) {
        case 1:
            addContact(contacts);
            break;
        case 2:
            displayContacts(contacts);
            break;
        case 3:
            cout << "感谢使用通讯录管理系统，再见！" << endl;
            return;
        default:
            cout << "输入无效，请重新选择操作！" << endl;
            break;
    }
}

}

int main() {

vector contacts;

mainMenu(contacts);

return 0;

}