青岛开发区网站建设服务,重庆装修公司平台,全国建筑网站,浙江省建设网站[索引页][源码下载]乐在其中设计模式(C#) - 原型模式(Prototype Pattern)作者#xff1a;webabcd介绍用原型实例指定创建对象的种类#xff0c;并且通过拷贝这个原型来创建新的对象。示例有一个Message实体类#xff0c;现在要克隆它。MessageModelusing System; using Syst… [索引页][源码下载]乐在其中设计模式(C#) - 原型模式(Prototype Pattern) 作者webabcd 介绍 用原型实例指定创建对象的种类并且通过拷贝这个原型来创建新的对象。 示例 有一个Message实体类现在要克隆它。 MessageModel using System; using System.Collections.Generic; using System.Text; namespace Pattern.Prototype { /// summary /// Message实体类 /// /summary public class MessageModel { /// summary /// 构造函数 /// /summary /// param namemsgMessage内容/param /// param nameptMessage发布时间/param public MessageModel(string msg, DateTime pt) { this._message msg; this._publishTime pt; } private string _message; /// summary /// Message内容 /// /summary public string Message { get { return _message; } set { _message value; } } private DateTime _publishTime; /// summary /// Message发布时间 /// /summary public DateTime PublishTime { get { return _publishTime; } set { _publishTime value; } } } } ShallowCopy using System; using System.Collections.Generic; using System.Text; namespace Pattern.Prototype { /// summary /// 浅拷贝 /// /summary public class ShallowCopy : ICloneable { /// summary /// 构造函数 /// /summary public ShallowCopy() { } /// summary /// 实现ICloneable的Clone()方法 /// /summary /// returns/returns public Object Clone() { return this.MemberwiseClone(); } private MessageModel _mm; /// summary /// Message实体对象 /// /summary public MessageModel MessageModel { get { return _mm; } set { _mm value; } } } } DeepCopy using System; using System.Collections.Generic; using System.Text; namespace Pattern.Prototype { /// summary /// 深拷贝 /// /summary public class DeepCopy : ICloneable { /// summary /// 构造函数 /// /summary public DeepCopy() { } /// summary /// 构造函数 /// /summary /// param namemmMessage实体对象/param public DeepCopy(MessageModel mm) { _mm mm; } /// summary /// 实现ICloneable的Clone()方法 /// /summary /// returns/returns public Object Clone() { return new DeepCopy(new MessageModel(_mm.Message, _mm.PublishTime)); } private MessageModel _mm; /// summary /// Message实体对象 /// /summary public MessageModel MessageModel { get { return _mm; } set { _mm value; } } } } client using System; using System.Data; using System.Configuration; using System.Collections; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Web.UI.HtmlControls; using Pattern.Prototype; public partial class Prototype : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { Response.Write(ShallowCopy演示如下br /); ShowShallowCopy(); Response.Write(DeepCopy演示如下br /); ShowDeepCopy(); } private void ShowShallowCopy() { ShallowCopy sc new ShallowCopy(); sc.MessageModel new MessageModel(ShallowCopy, DateTime.Now); ShallowCopy sc2 (ShallowCopy)sc.Clone(); Response.Write(sc.MessageModel.Message); Response.Write(br /); Response.Write(sc2.MessageModel.Message); Response.Write(br /); sc.MessageModel.Message ShallowCopyShallowCopy; Response.Write(sc.MessageModel.Message); Response.Write(br /); Response.Write(sc2.MessageModel.Message); Response.Write(br /); } private void ShowDeepCopy() { DeepCopy sc new DeepCopy(); sc.MessageModel new MessageModel(DeepCopy, DateTime.Now); DeepCopy sc2 (DeepCopy)sc.Clone(); Response.Write(sc.MessageModel.Message); Response.Write(br /); Response.Write(sc2.MessageModel.Message); Response.Write(br /); sc.MessageModel.Message DeepCopyDeepCopy; Response.Write(sc.MessageModel.Message); Response.Write(br /); Response.Write(sc2.MessageModel.Message); Response.Write(br /); } } 运行结果 ShallowCopy演示如下 ShallowCopy ShallowCopy ShallowCopyShallowCopy ShallowCopyShallowCopy DeepCopy演示如下 DeepCopy DeepCopy DeepCopyDeepCopy DeepCopy 参考http://www.dofactory.com/Patterns/PatternPrototype.aspx OK[源码下载] 本文转自webabcd 51CTO博客原文链接http://blog.51cto.com/webabcd/344497如需转载请自行联系原作者
