飞机票订票系统C++

以下是一个简单的C++飞机票订票和退票系统的实现，包括订票、退票、查询航班信息、查询乘客信息和计算销售额等功能：

#include <iostream>
#include <string>
#include <vector>
#include <map>

using namespace std;

// 定义航班信息结构体
struct Flight {
    string flightNo; // 航班号
    string date; // 日期
    int price; // 价格
    int seats[20][4]; // 座位信息，0表示空位，1表示已订
};

// 定义乘客信息结构体
struct Passenger {
    string name; // 姓名
    string id; // 身份证号
    string flightNo; // 航班号
    string date; // 日期
    string seat; // 座位号
};

// 定义航班信息和乘客信息的容器
vector<Flight> flights;
vector<Passenger> passengers;

// 初始化航班信息
void initFlights() {
    for (int i = 0; i < 10; i++) {
        Flight flight;
        flight.flightNo = "CA" + to_string(i + 1);
        flight.date = "2022-01-01";
        flight.price = 1000;
        for (int j = 0; j < 20; j++) {
            for (int k = 0; k < 4; k++) {
                flight.seats[j][k] = 0;
            }
        }
        flights.push_back(flight);
    }
}

// 显示航班信息
void showFlights() {
    cout << "航班号\t日期\t价格\t余票" << endl;
    for (int i = 0; i < flights.size(); i++) {
        Flight flight = flights[i];
        int count = 0;
        for (int j = 0; j < 20; j++) {
            for (int k = 0; k < 4; k++) {
                if (flight.seats[j][k] == 0) {
                    count++;
                }
            }
        }
        cout << flight.flightNo << "\t" << flight.date << "\t" << flight.price << "\t" << count << endl;
    }
}

// 订票
void bookTicket() {
    string name, id, flightNo, date, seat;
    cout << "请输入姓名：";
    cin >> name;
    cout << "请输入身份证号：";
    cin >> id;
    cout << "请输入航班号：";
    cin >> flightNo;
    cout << "请输入乘坐日期：";
    cin >> date;
    cout << "请输入座位号：";
    cin >> seat;
    // 查找航班
    int index = -1;
    for (int i = 0; i < flights.size(); i++) {
        if (flights[i].flightNo == flightNo && flights[i].date == date) {
            index = i;
            break;
        }
    }
    if (index == -1) {
        cout << "没有找到该航班，请重新输入！" << endl;
        return;
    }
    // 查找座位
    int row = seat[0] - '0' - 1;
    int col = seat[1] - 'A';
    if (flights[index].seats[row][col] == 1) {
        cout << "该座位已被预订，请重新选择！" << endl;
        return;
    }
    // 订票
    flights[index].seats[row][col] = 1;
    Passenger passenger;
    passenger.name = name;
    passenger.id = id;
    passenger.flightNo = flightNo;
    passenger.date = date;
    passenger.seat = seat;
    passengers.push_back(passenger);
    cout << "订票成功！" << endl;
}

// 退票
void cancelTicket() {
    string id, flightNo, date;
    cout << "请输入身份证号：";
    cin >> id;
    cout << "请输入航班号：";
    cin >> flightNo;
    cout << "请输入乘坐日期：";
    cin >> date;
    // 查找乘客信息
    int index = -1;
    for (int i = 0; i < passengers.size(); i++) {
        if (passengers[i].id == id && passengers[i].flightNo == flightNo && passengers[i].date == date) {
            index = i;
            break;
        }
    }
    if (index == -1) {
        cout << "没有找到该乘客信息，请重新输入！" << endl;
        return;
    }
    // 退票
    string seat = passengers[index].seat;
    int row = seat[0] - '0' - 1;
    int col = seat[1] - 'A';
    for (int i = 0; i < flights.size(); i++) {
        if (flights[i].flightNo == flightNo && flights[i].date == date) {
            flights[i].seats[row][col] = 0;
            break;
        }
    }
    passengers.erase(passengers.begin() + index);
    cout << "退票成功！" << endl;
}

// 查询航班信息
void queryFlight() {
    string flightNo, date;
    cout << "请输入航班号：";
    cin >> flightNo;
    cout << "请输入乘坐日期：";
    cin >> date;
    // 查找航班
    int index = -1;
    for (int i = 0; i < flights.size(); i++) {
        if (flights[i].flightNo == flightNo && flights[i].date == date) {
            index = i;
            break;
        }
    }
    if (index == -1) {
        cout << "没有找到该航班，请重新输入！" << endl;
        return;
    }
    // 显示航班信息
    cout << "航班号\t日期\t价格\t余票" << endl;
    Flight flight = flights[index];
    int count = 0;
    for (int j = 0; j < 20; j++) {
        for (int k = 0; k < 4; k++) {
            if (flight.seats[j][k] == 0) {
                count++;
            }
        }
    }
    cout << flight.flightNo << "\t" << flight.date << "\t" << flight.price << "\t" << count << endl;
}

// 查询乘客信息
void queryPassenger() {
    string flightNo, date;
    cout << "请输入航班号：";
    cin >> flightNo;
    cout << "请输入乘坐日期：";
    cin >> date;
    // 查找乘客信息
    map<string, string> passengerMap;
    for (int i = 0; i < passengers.size(); i++) {
        if (passengers[i].flightNo == flightNo && passengers[i].date == date) {
            passengerMap[passengers[i].seat] = passengers[i].name;
        }
    }
    // 显示乘客信息
    cout << "座位号\t姓名" << endl;
    for (int j = 0; j < 20; j++) {
        for (int k = 0; k < 4; k++) {
            string seat = to_string(j + 1) + string(1, 'A' + k);
            if (passengerMap.count(seat) > 0) {
                cout << seat << "\t" << passengerMap[seat] << endl;
            }
            else {
                cout << seat << "\t" << "空位" << endl;
            }
        }
    }
}

// 计算销售额
void calcRevenue() {
    string date;
    cout << "请输入乘坐日期：";
    cin >> date;
    int revenue = 0;
    for (int i = 0; i < passengers.size(); i++) {
        if (passengers[i].date == date) {
            for (int j = 0; j < flights.size(); j++) {
                if (flights[j].flightNo == passengers[i].flightNo && flights[j].date == date) {
                    revenue += flights[j].price;
                    break;
                }
            }
        }
    }
    cout << "销售额为：" << revenue << endl;
}

int main() {
    initFlights();
    while (true) {
        cout << "请选择功能：" << endl;
        cout << "1. 显示航班信息" << endl;
        cout << "2. 订票" << endl;
        cout << "3. 退票" << endl;
        cout << "4. 查询航班信息" << endl;
        cout << "5. 查询乘客信息" << endl;
        cout << "6. 计算销售额" << endl;
        cout << "7. 退出系统" << endl;
        int choice;
        cin >> choice;
        switch (choice) {
        case 1:
            showFlights();
            break;
        case 2:
            bookTicket();
            break;
        case 3:
            cancelTicket();
            break;
        case 4:
            queryFlight();
            break;
        case 5:
            queryPassenger();
            break;
        case 6:
            calcRevenue();
            break;
        case 7:
            return 0;
        default:
            cout << "输入有误，请重新输入！" << endl;
            break;
        }
    }
    return 0;
}