Csharp: Simple Factory Pattern

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

/// <summary>   /// Summary description for Namer.   /// Base class for getting split names   /// Simple Factory Patterns   /// geovindu,Geovin Du,涂聚文 edit   /// </summary>       public class Namer   {       /// <summary>       /// parts stored here       /// </summary>       protected string frName, lName;         /// <summary>       /// return first name       /// </summary>       /// <returns></returns>       public string getFrname()       {           return frName;       }       /// <summary>       /// return last name       /// </summary>       /// <returns></returns>       public string getLname()       {           return lName;       }   }

　　

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26

/// Summary description for LastFirst.   /// Simple Factory Patterns   /// geovindu,Geovin Du,涂聚文 edit   /// </summary>   public class LastFirst : Namer   {         /// <summary>       ///       /// </summary>       /// <param name="name"></param>       public LastFirst(string name)       {           int i = name.IndexOf(",");           if (i > 0)           {               lName = name.Substring(0, i);               frName = name.Substring(i + 1).Trim();           }           else           {               lName = name;               frName = "";           }       }   }

　　

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27

/// <summary> /// Summary description for FirstFirst. /// Simple Factory Patterns /// geovindu,Geovin Du,涂聚文 edit /// </summary> public class FirstFirst : Namer {            /// <summary>     ///     /// </summary>     /// <param name="name"></param>     public FirstFirst(string name)     {         int i = name.IndexOf(" ");         if (i > 0)         {             frName = name.Substring(0, i).Trim();             lName = name.Substring(i + 1).Trim();         }         else         {             lName = name;             frName = "";         }     } }

　　

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22

/// <summary> /// Summary description for NameFactory. /// Simple Factory Patterns /// geovindu,Geovin Du,涂聚文 edit /// </summary> public class NameFactory {     public NameFactory() { }     /// <summary>     ///     /// </summary>     /// <param name="name"></param>     /// <returns></returns>     public Namer getName(string name)     {         int i = name.IndexOf(",");         if (i > 0)             return new LastFirst(name);         else             return new FirstFirst(name);     } }

　　

窗體中調用:

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38

/// <summary>    /// Simple Factory Patterns    /// geovindu,Geovin Du,涂聚文 edit    /// </summary>    public partial class SimpleFactoryForm : Form    {          private NameFactory nameFact;          /// <summary>        ///        /// </summary>        public SimpleFactoryForm()        {            InitializeComponent();            nameFact = new NameFactory();        }        /// <summary>        ///        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        private void SimpleFactoryForm_Load(object sender, EventArgs e)        {          }        /// <summary>        ///        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        private void button1_Click(object sender, EventArgs e)        {            Namer name = nameFact.getName(txtbName.Text);            txtbFirst.Text = name.getFrname();            txtbLast.Text = name.getLname();        }    }