C# City类代码示例

        public int Insert(City city)
        {
            hotelContext.Cities.Add(city);
            Save();

            return city.ID;
        }

        private static int GetMinDistance(Map map, City currentCity, Stack<City> visited)
        {
            int? minDistance = null;

            var currentDistance = 0;
            if (currentCity != null && visited.Any())
            {
                currentDistance = visited.Peek().Roads.Single(x => x.City.Name == currentCity.Name).Distance;
            }

            var unvisited = map.Cities.Except(visited).Where(x => !Equals(x, currentCity));
            if (currentCity != null)
            {
                visited.Push(currentCity);
                unvisited = unvisited.Intersect(currentCity.Roads.Select(x => x.City));
            }
            foreach (var city in unvisited)
            {
                int distance = GetMinDistance(map, city, visited);
                if (minDistance == null || distance < minDistance)
                {
                    minDistance = distance;
                }
            }
            if (currentCity != null)
            {
                visited.Pop();
            }
            currentDistance += minDistance ?? 0;
            return currentDistance;
        }

        // Main constructor that initializes everything except window
        public Algorithm(CitiesLocations _citiesLocations, CitiesConnections _citiesConnectios, 
            City _startCity, City _finalCity, Alg_Speed _algSpeed, Heuristic _algHeuristic,
            ref GraphLayoutCity _graphLayout, ref TextBox _textBoxLog,
            ResourceDictionary _resourceDictionary, GraphManager _graphManager)
        {
            citiesLocations = _citiesLocations;
            citiesConnecitons = _citiesConnectios;

            StartCity = _startCity;
            FinalCity = _finalCity;

            AlgSpeed = _algSpeed;
            AlgHeuristic = _algHeuristic;

            graphLayout = _graphLayout;
            textBoxLog = _textBoxLog;
            resourceDictionary = _resourceDictionary;

            IsRunning = false;

            Window = null;

            CanContinue = false;

            graphManager = _graphManager;
        }

 public Car(int xPos, int yPos, City city, Passenger passenger)
 {
     XPos = xPos;
     YPos = yPos;
     City = city;
     Passenger = passenger;
 }

        public static void MakeNodeList(Node root,int DummyCount)
        {
            AllNodesButRoot.Clear();
            foreach (City c in cities)
            {
                if (c != null && c.id != 0 && c.id != root.id&& c.isLarge==true )
                {
                    AllNodesButRoot.Add(c);
                }
            }
            foreach (Resort r in resorts)
            {
                if (r != null)
                {
                    AllNodesButRoot.Add(r);
                }
            }
            for(int i = 1; i <= DummyCount; i++)
            {
                City dummy = new City();
                //          dummy.id = AllNodesButRoot.Count + 1+i;
                dummy.id = root.id  ;
                dummy.name = root.name;
                dummy.isDummy = true;
                AllNodesButRoot.Add(dummy);

            }
            return;
        }

        public void CalculateDistance_with_a_valid_route_should_return_the_distance()
        {
            RoutesCalculator routesCalculator = new RoutesCalculator();

            City A = new City('A');
            City B = new City('B');
            City C = new City('C');
            City D = new City('D');
            City E = new City('E');

            A.Connections.Add(B, 5);
            B.Connections.Add(C, 4);
            C.Connections.Add(D, 8);
            D.Connections.Add(C, 8);
            D.Connections.Add(E, 6);
            A.Connections.Add(D, 5);
            C.Connections.Add(E, 2);
            E.Connections.Add(B, 3);
            A.Connections.Add(E, 7);

            Assert.IsTrue(9 == routesCalculator.CalculateDistance(A, B, C));
            Assert.IsTrue(5 == routesCalculator.CalculateDistance(A, D));
            Assert.IsTrue(13 == routesCalculator.CalculateDistance(A, D, C));
            Assert.IsTrue(22 == routesCalculator.CalculateDistance(A, E, B, C, D));
        }

        public void WriteToFile(String fileName, City from, City to, List<Link> links)
        {
            Application app = new Application();
            Workbook wb = app.Workbooks.Add();
            Worksheet ws = wb.Worksheets.Add();
            ws.Range["A1"].Value = "From";
            ws.Range["B1"].Value = "To";
            ws.Range["C1"].Value = "Distance";
            ws.Range["D1"].Value = "Transport Mode";

            Range formatRange;
            formatRange = ws.Range["A1", "D1"];
            formatRange.EntireRow.Font.Bold = true;
            formatRange.EntireRow.Font.Size = 14;

            formatRange.BorderAround2(XlLineStyle.xlContinuous, XlBorderWeight.xlThin);

            int row = 2;
            links.ForEach( l => {
                int localRow = row;
                ws.Range["A" + localRow].Value = l.FromCity.Name;
                ws.Range["B" + localRow].Value = l.ToCity.Name;
                ws.Range["C" + localRow].Value = l.Distance;
                ws.Range["D" + localRow].Value = l.TransportMode;
            });

            wb.SaveAs(fileName, XlFileFormat.xlOpenXMLWorkbook);
            wb.Close();
        }

    protected void Page_Load(object sender, EventArgs e)
    {
        if (Request.IsSecureConnection)
        {
            string serverName = HttpUtility.UrlEncode(Request.ServerVariables["SERVER_NAME"]);
            string filePath = Request.FilePath;
            Response.Redirect("http://" + serverName + filePath);
        }

        if (!TerritorySite.BL.Linq.Territory.IsCurrentTerritoryAssigned())
        {

            if (!Page.IsPostBack)
            {
                DoDataBind();
                City thisCity = new City(CurrentUser.CurrentAccount.CityId);
                this.address.Value = thisCity.Description + ", " + thisCity.StateProvince.Description;
                LiteralHiddenId.Text = HiddenFieldMemory.ClientID;
                LiteralHiddenCenterId.Text = HiddenFieldCenterMemory.ClientID;
                this.ButtonDone.Attributes.Add("onmousedown", "javascript:savePoints();");

            }
            this.LiteralKey.Text = System.Web.Configuration.WebConfigurationManager.AppSettings["GMAPKEY"];
            this.Form.Attributes.Add("onload", "LoadMap()");
            ShowScript = true;

        }
        else
        {
            LabelMessage.Text = "You cannot modify the map while the territory is assigned";
            tableContent.Visible = false;
            ShowScript = false;
        }
    }

        IEnumerable<City> GetCitiesFromPageHtml(String html)
        {
            var startRegionMarker = "<select id=\"filterAddressTown\"";
            var endRegionMarker = "</select>";

            var startIndex = html.IndexOf(startRegionMarker);
            var endIndex = html.IndexOf(endRegionMarker, startIndex) + endRegionMarker.Length;

            var citiesXml = html.Substring(startIndex, endIndex - startIndex);

            var cities = new List<City>();

            var parsed = XDocument.Parse(citiesXml);
            foreach (var elem in parsed.Elements().First().Elements())
            { 
                var city = new City()
                {
                    Id = elem.Attribute("value").Value.Trim(),
                    Name = elem.Value.Trim()
                };

                if (city.Id == "0")
                    continue;

                cities.Add(city);
            }

            return cities;
        }

        protected void Page_Load(object sender, EventArgs e)
        {
            DBConnection bindComboBox = new DBConnection();
            City cities = new City();
            DataTable DT = new DataTable();
            DT = bindComboBox.BindDropdown(cities.SearchCities(), "City_Name", "City_Number");
            CityDDL.DataSource = DT;
            CityDDL.DataValueField = "City_Number";
            CityDDL.DataTextField = "City_Name";

            CityDDL.DataBind();

            GenderDDL.Items.Add("Male");
            GenderDDL.Items.Add("Female");

            //EmployeeType
            EmployeeType empType = new EmployeeType();
            DT = bindComboBox.BindDropdown(empType.SearchEmployeeTypes(), "Employee_Type_Name", "Employee_Type_Number");

            EmployeeTypeDDL.DataSource = DT;
            EmployeeTypeDDL.DataValueField = "Employee_Type_Name";
            EmployeeTypeDDL.DataTextField = "Employee_Type_Number";

            EmployeeTypeDDL.DataBind();
        }

 public IList<City> Load()
 {
     using (MySqlConnection conn = new MySqlConnection("server = localhost; user id = root; password = ; database = test"))
     {
         conn.Open();
         var cmd = conn.CreateCommand();
         cmd.CommandText = "set character set 'utf8'";
         cmd.ExecuteNonQuery();
         var cmdText = @"select * from dol_city";
         cmd = conn.CreateCommand();
         cmd.CommandText = cmdText;
         var reader = cmd.ExecuteReader();
         var cityList = new List<City>();
         while (reader.Read())
         {
             var city = new City()
             {
                 ID = reader.GetInt32("id"),
                 Name = reader.GetString("city_name"),
                 X = reader.GetFloat("x"),
                 Y = reader.GetFloat("y")
             };
             cityList.Add(city);
         }
         reader.Close();
         return cityList;
     }
 }

        public void WriteToFile(String fileName, City from, City to, List<Link> links)
        {
            var excel = new Excel.Application();
            excel.DisplayAlerts = false;
            excel.Workbooks.Add();

            excel.Range["A1", "D1"].Borders.LineStyle = Excel.XlLineStyle.xlContinuous;
            excel.Range["A1", "D1"].Font.Size = 14;
            excel.Range["A1", "D1"].Font.Bold = true;
            excel.Range["A1"].Value = "From";
            excel.Range["B1"].Value = "To";
            excel.Range["C1"].Value = "Distance";
            excel.Range["D1"].Value = "Transport Mode";

            int row = 2;
            foreach (var l in links)
            {
                excel.Range["A" + row.ToString()].Value = l.FromCity.Name;
                excel.Range["B" + row.ToString()].Value = l.ToCity.Name;
                excel.Range["C" + row.ToString()].Value = l.Distance;
                excel.Range["D" + row.ToString()].Value = l.TransportMode.ToString();
                row++;
            }

            excel.Columns.AutoFit();

            Excel._Workbook doc = excel.ActiveWorkbook;

            doc.SaveAs(fileName);
            doc.Close();
        }

    protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)
        {
            if (Request.QueryString["Action"] == "delete")
            {
                string x = Request.QueryString["x"].ToString();
                string y = Request.QueryString["y"].ToString();
                var db = new TerritorySite.BL.Linq.TerritoryDBDataContext();
                var addressToDelete = (from deleteAddress in db.Addresses
                                       where deleteAddress.TerritoryId == TerritoryId
                                       & deleteAddress.Long.Contains(x)
                                       & deleteAddress.Lat.Contains(y)
                                       select deleteAddress).FirstOrDefault();
                if (addressToDelete != null)
                {
                    Address.Delete(addressToDelete.AddressId);
                }

            }

            DoDataBind();

            City thisCity = new City(CurrentUser.CurrentAccount.CityId);

        }
        this.LiteralKey.Text = System.Web.Configuration.WebConfigurationManager.AppSettings["GMAPKEY"];
    }

		public GuardCaptain(City city) : base(AIType.AI_Vendor, FightMode.None, 10, 1, 0.2, 0.4)
		{
			City = city;
            Female = Utility.RandomDouble() > 0.75;
            Blessed = true;

            Name = Female ? NameList.RandomName("female") : NameList.RandomName("male");
            Title = "the guard captain";

            Body = Female ? 0x191 : 0x190;
            HairItemID = Race.RandomHair(Female);
            FacialHairItemID = Race.RandomFacialHair(Female);
            HairHue = Race.RandomHairHue();
            Hue = Race.RandomSkinHue();

            SetStr(150);
            SetInt(50);
            SetDex(150);

            SetWearable(new ShortPants(1508));

            if (Female)
                SetWearable(new FemaleStuddedChest());
            else
                SetWearable(new PlateChest());

            SetWearable(new BodySash(1326));
            SetWearable(new Halberd());

            CantWalk = true;
		}

        public bool CreateCity(string name)
        {
            if (!String.IsNullOrEmpty(name)){
                if (name.Length > 50)
                {
                    return false;
                }

                City city = this.CityRepository.Get(s => s.Name == name).FirstOrDefault();

                if (city == null)
                {
                    City newCity = new City();
                    newCity.Name = name;
                    newCity.IsDeleted = false;
                    this.CityRepository.Insert(newCity);
                    this.Save();

                    return true;
                }
                else if (city.IsDeleted == true)
                {
                    city.IsDeleted = false;
                    this.CityRepository.Update(city);
                    this.Save();

                    return true;
                }
                else
                {
                    return false;
                }
            }
            return false;
        }