结对开发项目-电梯调度系统

小组成员：马翔 & 胡佳奇

项目名称：电梯调度系统

      经过了两个多星期的结对开发过程，我们的电梯调度系统有了一个初步的面貌。现版本的调度系统和最初的设想还是有很大的区别的。最初的设想是有一个整体调度系统，每当乘客发出一个请求，调度系统就通过这个计算来为这个请求分配一部电梯。在实践的过程中发现这样不可行，复杂度很高，这个问题能有多复杂就有多复杂。后来通过实际调研和自己思考，决定将问题简单话，即四部电梯只会沿着自己的方向来运行，某一层有顾客请求就停下。而调度程序只为处于ready状态的电梯发出命令。通过这样的思路来简化问题，从而实现了电梯的运行。

      在电梯的实现过程中，使用了线程的技术。将每个电梯对象的run方法封装成一个线程，这样四部电梯就能不受互相影响的同时运行，并且接受调度。在编程环境上我们选择使用visual studio 2010 下的C#，实现了界面的设计。目前项目尚有一些不足之处，如没有一个整体观察电梯运行的界面和人数检测，我们会尽力将这些在以后进行完善。

项目时间管理表：

电梯运行截图：

电梯调度系统运行调度部分代码：

using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Forms;
using System.Threading;

namespace 电梯调度系统
{
    public struct Request   //请求结构体
    {
        public int pgFloor;//乘客请求楼层
        public string pgDir; //乘客请求方向
        public string pgIo;  //乘客请求进出方向
    }

    public struct outRequest
    {
        public int request;
        public int toUp;
        public int toDown;
    }

    static class Program
    {
        /// <summary>
        /// 应用程序的主入口点。
        /// </summary>
        //[STAThread]
        
        //电梯调度系统函数
        public static void Manager(int r)
        {

            if (fangWen.E1.direction=="Ready")
            {
                if (fangWen.E1.floorNow > r) fangWen.E1.direction = "Down";
                else if (fangWen.E1.floorNow < r) fangWen.E1.direction = "Up";
                else if (fangWen.E1.floorNow == r) fangWen.E1.Open();
            }
            else if(fangWen.E2.direction=="Ready")
            {
                if (fangWen.E2.floorNow > r) fangWen.E2.direction = "Down";
                else if (fangWen.E2.floorNow < r) fangWen.E2.direction = "Up";
                else if (fangWen.E2.floorNow == r) fangWen.E2.Open();
            }
            else if(fangWen.E3.direction=="Ready")
            {
                if (fangWen.E3.floorNow > r) fangWen.E3.direction = "Down";
                else if (fangWen.E3.floorNow < r) fangWen.E3.direction = "Up";
                else if (fangWen.E3.floorNow == r) fangWen.E3.Open();
            }
            else if(fangWen.E4.direction=="Ready")
            {
                if (fangWen.E4.floorNow > r) fangWen.E4.direction = "Down";
                else if (fangWen.E4.floorNow < r) fangWen.E4.direction = "Up";
                else if (fangWen.E4.floorNow == r) fangWen.E4.Open();
            }

        }


        //电梯类
        public class Elevator
        {
            public  int speed;       //速度
            public  int load;        //载重
            public  int people;      //乘客限制
            public  int openClose;   //开关门时间
            public  int inOut;       //进出门时间
            public  int floorNow;    //电梯当前楼层
            public  String direction;//电梯当前状态
            public  int loadNow;     //电梯当前载重
            public  int peopleNow;   //电梯当前乘客数

            public int[] RespondQueue=new int [21];  //电梯内部响应队列

            public static outRequest[] oR = new outRequest[21];  //电梯外请求队列
            public static int Requestflag;   //电梯请求标记
            public int Rfront;
            public int Rrear;
 
            public Elevator(int sp,int lo,int pe,int oc,int io,int fln) //电梯构造函数
            {
                speed = sp;         //初始化电梯速度
                loadNow=load = lo;          //初始化电梯载重
                peopleNow=people = pe;        //初始化乘客限制
                openClose = oc;    //初始化电梯开关门时间
                inOut = io;        //初始化乘客进出时间
                floorNow = fln;    //初始化电梯当前楼层
                direction = "Ready";//初始化电梯状态

                Requestflag = 0; //标记初始化为零，表示没有外部请求
                Rfront = 0;
                Rrear = 0;
            }
            //电梯运行功能函数
            public int tanCeUp()   //向上探测函数
            {
                int i=0;
                if (this.direction == "Up")
                {
                    for (i = this.floorNow; i <= 20; i++)
                    { 
                        if((this.RespondQueue[i]==1)||(oR[i].request==1&&oR[i].toUp==1))break;
                    }
                    //if (i == 21) i = this.floorNow;
                }
                return i;
            }

            public int tanCeDown()   //向下探测函数
            {
                int i = 0;
                if (this.direction == "Down")
                {
                    for (i = this.floorNow; i >= 0; i--)
                    {
                        if ((this.RespondQueue[i] == 1) || (oR[i].request == 1 && oR[i].toDown == 1)) break;
                    }
                   
                }

                return i;
            }



            public void Run()
            {
                
                while (true)
                {
                    if (this.direction == "Up")
                    {
                        while (tanCeUp() != 21)
                        {
                            Thread.Sleep(1500);
                            this.floorNow++;
                            if ((this.RespondQueue[this.floorNow] == 1) || (oR[this.floorNow].request == 1 && oR[this.floorNow].toUp == 1))
                            {
                                this.Open();    
                            }
                        }
                        this.direction = "Ready";

                    }
                    if (this.direction == "Down")
                    {
                        while (tanCeDown() != -1)
                        {
                            Thread.Sleep(1500);
                            this.floorNow--;
                            if ((this.RespondQueue[this.floorNow] == 1) || (oR[this.floorNow].request == 1 && oR[this.floorNow].toDown == 1))
                            {
                                this.Open();
                            }
                        }
                        this.direction = "Ready";
                       
                    }
 
                 }
            }

            public void Open()
            {
                this.RespondQueue[this.floorNow] = 0;
                oR[this.floorNow].request = 0;
                if (this.direction == "Up") oR[this.floorNow].toUp = 0;
                if (this.direction == "Down") oR[this.floorNow].toDown = 0;
                Thread.Sleep(3000);
            }

        }

        public static class fangWen   //将四个电梯实例对象封装在一个类里供其他窗体访问
        {
            public static Elevator E1 = new Elevator(10, 800, 10, 5, 8, 1);
            public static Elevator E2 = new Elevator(10, 800, 10, 5, 8, 1);
            public static Elevator E3 = new Elevator(10, 1600, 20, 5, 8, 1);
            public static Elevator E4 = new Elevator(10, 2000, 20, 5, 8, 1);
        }

        public static void ThreadProc_1()  //创建电梯的线程函数
        {
            fangWen.E1.Run();
        }
        public static void ThreadProc_2()
        {
            fangWen.E2.Run();
        }
        public static void ThreadProc_3()
        {
            fangWen.E3.Run();
        }
        public static void ThreadProc_4()
        {
            fangWen.E4.Run();
        }

        static void Main()
        {
            Thread t1 = new Thread(new ThreadStart(ThreadProc_1)); //各个电梯线程开始运行
            t1.Start();

            Thread t2 = new Thread(new ThreadStart(ThreadProc_2));
            t2.Start();

            Thread t3 = new Thread(new ThreadStart(ThreadProc_3));
            t3.Start();

            Thread t4 = new Thread(new ThreadStart(ThreadProc_4));
            t4.Start();

            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
            Application.Run(new Form1());

        }
    }
}