main.cpp

#include<iostream>
#include<string>
#include"ALGraph.h"
using namespace std;

//初始密码为什么要保存在这里？？？
string Account = "admin";
string Password = "admin";
ALGraph graph;
void admin();
bool login();
void user();
void changePassword();
void adminALG();


int main(void) {
    system("clear");
    int identity = 1; //身份选项 1.游客 2.管理员，输入 0 用于退出
    while (identity) {
        cout << endl << "==============欢迎全国交通咨询系统==============" << endl;
        cout << "你的身份是？" << endl;
        cout << "    1.管理员" << endl << "    2.普通用户" << endl;
        cout << "请输入数字(0 for exit):";
        cin >> identity;
        if (!identity) {
            break;
        }
        switch (identity) {
        case 1:
            admin();
            system("clear");
            break;

        case 2:
            user();
            system("clear");
            break;

        default:
            cout << "输入不正确，请重新输入!" << endl;
            break;
        }//switch(identity)
    }//while (indentity)
    system("clear");
    cout << endl << "==================感谢你的使用==================" << endl;
    return 0;
}//main

//管理员界面
void admin() {
    cout << "    开启管理员模式！" << endl;
    while (!login()) {
        cout << endl << "帐号或密码不正确，请再次输入" << endl;
    }
    cout << endl << "登陆成功！" << endl;
    int option = 1;
    while (option) {
        cout << "请输入你的选项：" << endl;
        cout << "1.更改密码" << endl << "2.全国交通图的相关操作" << endl;
        cout << "请输入数字(按0返回选择身份界面):" << endl;
        cin >> option;
        cout << endl;
        system("clear");
        if (!option) {
            break;
        }
        switch (option) {
        case 1:
            changePassword();
            break;
        case 2:
            adminALG();
            system("clear");
            break;
        default:
            cout << "请输入正确的选项！" << endl;
            break;
        }
    }//while(!login())
    cout << endl << endl << "操作完毕，退出管理员用户！" << endl << endl;
}//admin

//登入管理员账户函数
bool login() {
    string account, password;
    cout << "输入账户：";
    cin >> account;
    cout << "输入密码：";
    system("stty -echo");
    cin >> password;
    system("stty echo");
    if (account == Account && password == Password) {
        return true;
    }
    else {
        return false;
    }
}//login

//修改管理员账户密码函数
void changePassword() {
    string NewPassword1 = "1", NewPassword2 = "2";
    while (NewPassword1 != NewPassword2) {
        cout << "请输入新密码：";
        system("stty -echo");
        cin >> NewPassword1;
        system("stty echo");
        cout << "请再次输入密码：";
        system("stty -echo");
        cin >> NewPassword2;
        system("stty echo");
        if (NewPassword1 != NewPassword2) {
            cout << "两次输入的密码不同，请再次输入！" << endl;
        }
    }
    Password = NewPassword1;
    cout << "修改密码成功！" << endl;
}//changePassword

//管理员管理交通图的操作函数
void adminALG() {
    int func = 1;
    while (func) {
        cout << "请选择下列操作之一" << endl;
        cout << "    1.从文件中添加城市" << endl;
        cout << "    2.手动添加城市" << endl;
        cout << "    3.删除城市" << endl;
        cout << "    4.从文件中添加线路" << endl;
        cout << "    5.手动添加线路" << endl;
        cout << "    6.删除线路" << endl;
        cout << "    7.显示所有城市" << endl;
        cout << "    8.显示所有线路" << endl;
        cout << "    9.查询两城市间，中转最少的路径" << endl;
        cout << "    10.查询两城市间，花费最少的路径" << endl;
        cout << "    11.查询两城市间，耗时最少的路径" << endl;
        cout << "    12.查询两城市之间所有路径" << endl;
        cout << "    13.查询两城市直接的直达路径（包含策略）" << endl;
        cout << "请输入数字(输入0退出操作界面):";
        cin >> func;
        cout << endl;
        system("clear");

        //对应功能的调用
        if (!func) {
            break;
        }

        // switch 内部不能定义对象，只能写在这里
        // 否则报错：cannot jump from switch statement to this case
        string file_name;
        string city_name;
        string sc;
        string ec;
        string amt;
        switch (func) {
        case 1:
            cout << "    1.从文件中添加城市(可选文件:FlightCity.txt, TrainCity.txt)，请输入文件名：";
            cin >> file_name;
            graph.addCityFromFile(file_name.c_str());
            break;
        case 2:
            cout << "    2.手动添加城市!" << endl;
            cout << "请输入城市名字：";
            cin >> city_name;
            graph.addCity(city_name);
            break;
        case 3:
            cout << "    3.删除城市!" << endl;
            cin >> city_name;
            graph.delCity(city_name);
            break;
        case 4:
            cout << "    4.从文件中添加路线(可选文件:Flight.txt, Train.txt,)请输入文件名：";
            cin >> file_name;
            graph.addLineFromFile(file_name.c_str());
            break;
        case 5:
            cout << "    5.手动添加线路!" << endl;
            graph.addLine();
            break;
        case 6:
            cout << "    6.删除线路!" << endl;
            cout << "请输入要删除线路的起点城市：" << endl;
            cin >> sc;
            cout << "请输入要删除线路的终点城市：" << endl;
            cin >> ec;
            cout << "请输入要删除线路的班次号：" << endl;
            cin >> amt;
            graph.delLine(sc, ec, amt); //删除线路
            break;
        case 7:
            cout << "    7.显示所有城市!" << endl;
            graph.showAllCity();
            break;
        case 8:
            cout << "    8.显示所有线路!" << endl;
            graph.showAllLine();
            break;
        case 9:
            cout << "    9.查询两城市间，中转最少的路径!" << endl;
            cout << "输入要查询的起点城市：";
            cin >> sc;
            cout << "输入要查询的终点城市：";
            cin >> ec;
            graph.printLeastTransferPath(sc, ec);
            break;
        case 10:
            cout << "    10.查询两城市间，花钱最少的路径!" << endl;
            cout << "输入要查询的起点城市：";
            cin >> sc;
            cout << "输入要查询的终点城市：";
            cin >> ec;
            graph.printLeastMoneyPath(sc, ec);
            break;
        case 11:
            cout << "    11.查询两城市间，耗时最少的路径!" << endl;
            cout << "输入要查询的起点城市：";
            cin >> sc;
            cout << "输入要查询的终点城市：";
            cin >> ec;
            graph.printLeastTimePath(sc, ec);
            break;
        case 12:
            cout << "    12.查询两城市之间所有路径！" << endl;
            cout << "输入要查询的起点城市：";
            cin >> sc;
            cout << "输入要查询的终点城市：";
            cin >> ec;
            graph.printPathsByCity(sc, ec);
            break;
        case 13:
            cout << "    13.查询两城市直接的直达路径（包含策略）" << endl;
            cout << "输入要查询的起点城市：";
            cin >> sc;
            cout << "输入要查询的终点城市：";
            cin >> ec;
            graph.printstraightPath(sc, ec);
            break;
        default:
            cout << "输入不正确，请重新输入" << endl;
            break;
        }//switch(func) 
        cout << endl;
    }//while(func)
}//adminGPL 管理员对图进行操作 

//用户登陆界面
void user() {
    cout << "    开启普通用户模式" << endl << endl;
    int func = 1;
    while (func) {
        cout << "    现在是全国交通图的信息查询！" << endl;
        cout << "请选择下列操作之一" << endl;
        cout << "    1.查询两城市间，花费最少的路径" << endl;
        cout << "    2.查询两城市间，耗时最少的路径" << endl;
        cout << "    3.显示所有城市" << endl;
        cout << "    4.显示所有线路" << endl;
        cout << "    5.查询两城市间，中转次数最少的路径" << endl;
        cout << "    6.查询两城市之间所有路径" << endl;
        cout << "    7.查询两城市直接的直达路径（包含策略）" << endl;
        cout << "请输入数字(按0返回选择身份选择界面):";
        cin >> func;
        if (!func) {
            break;
        }
        cout << endl;

        // switch 内部不能定义对象，只能写在这里
        // 否则报错：cannot jump from switch statement to this case
        string sc;
        string ec;
        switch (func) {
        case 1:
            cout << "1.查询两城市间，花费最少的路径" << endl;
            cout << "输入要查询的起点城市：";
            cin >> sc;
            cout << "输入要查询的终点城市：";
            cin >> ec;
            graph.printLeastMoneyPath(sc, ec);
            break;
        case 2:
            cout << "2.查询两城市间，耗时最少的路径" << endl;
            cout << "输入要查询的起点城市：";
            cin >> sc;
            cout << "输入要查询的终点城市：";
            cin >> ec;
            graph.printLeastTimePath(sc, ec);
            break;
        case 3:
            cout << "3.显示所有城市！" << endl;
            graph.showAllCity();
            break;
        case 4:
            cout << "4.显示所有线路！" << endl;
            graph.showAllLine();
            break;
        case 5:
            cout << "5.查询两城市间，中转次数最少的路径" << endl;
            cout << "输入要查询的起点城市：";
            cin >> sc;
            cout << "输入要查询的终点城市：";
            cin >> ec;
            graph.printLeastTransferPath(sc, ec);
            break;
        case 6:
            cout << "6.查询两城市之间所有路径！" << endl;
            cout << "输入要查询的起点城市：";
            cin >> sc;
            cout << "输入要查询的终点城市：";
            cin >> ec;
            graph.printPathsByCity(sc, ec);
            break;
        case 7:
            cout << "    7.查询两城市直接的直达路径（包含策略）" << endl;
            cout << "输入要查询的起点城市：";
            cin >> sc;
            cout << "输入要查询的终点城市：";
            cin >> ec;
            graph.printstraightPath(sc, ec);
            break;
        default:
            cout << "输入不正确，请重新输入！" << endl;
            break;
        }//switch(func)
        cout << endl;

    }//while(func)
}//user