服务类包括服务契约IWCFService、操作契约OperationContract、和数据契约DataContract。
using System;using System.Collections.Generic;using System.Linq;using System.ServiceModel;using System.Text;using System.ServiceModel.Description;using System.Runtime.Serialization;namespace WcfServer{ /// ///服务类 实现接口 /// public class WcfServer : IWcfService { List bookList = new List (); public WcfServer() { Book bk = new Book("琥珀之剑", " 绯炎", " 命运在我眼前分开成两条互不相关笔直的线"); bookList.Add(bk); bk.SetBook("诛仙", "萧鼎", "方今之世，正道大昌，邪魔退避。中原大地山灵水秀，人气鼎盛，物产丰富，为正派诸家牢牢占据。其中尤以“青云门”、“天音寺”、和“焚香谷”为三大支柱，是为领袖。这个故事，便是从“青云门”开始的。"); bookList.Add(bk); } public Book getBookMessageByName(string bookName) { Book bk = new Book(); foreach (var book in bookList) { if (book.bookName == bookName) { Console.WriteLine("返回书本信息成功"); return bk = book; } } return bk; } public bool addBookMessage(Book book) { if (book.getBook() != null) { if (!bookList.Contains(book)) { bookList.Add(book); Console.WriteLine("增加书目{0}", book.bookName); return true; } } return false; } public List getBookNameList() { List bookNameList = new List (); foreach (Book bk in bookList) { Console.WriteLine("返回书籍列表信息成功"); bookNameList.Add(bk.bookName); } return bookNameList; } } /// /// 服务契约 操作契约 /// [ServiceContract] public interface IWcfService { [OperationContract] Book getBookMessageByName(string bookName); [OperationContract] bool addBookMessage(Book book); [OperationContract] List getBookNameList(); } /// /// 数据契约 /// [DataContract] public struct Book { [DataMember] public string bookName; [DataMember] public string author; [DataMember] public string briefIntroduce; public Book(string bookName, string author, string briefIntroduce) { this.bookName = bookName; this.author = author; this.briefIntroduce = briefIntroduce; } public void SetBook(string bookName, string author, string briefIntroduce) { this.bookName = bookName; this.author = author; this.briefIntroduce = briefIntroduce; } public Book? getBook() { if (string.IsNullOrEmpty(this.bookName)) { return null; } else { return this; } } }} WCF寄主
using System;using System.Collections.Generic;using System.Linq;using System.ServiceModel;using System.Text;using WcfServer;namespace WCFHost{ class Program { static void Main(string[] args) { using (ServiceHost host=new ServiceHost (typeof(WcfServer.WcfServer))) { Uri httpAddress = new Uri("http://localhost:8002/WCFService"); host.AddServiceEndpoint(typeof(WcfServer.IWcfService),new WSHttpBinding(),httpAddress); if (host.State != CommunicationState.Opening) host.Open(); Console.WriteLine("************************"); Console.WriteLine("**** ****"); Console.WriteLine("**** 服务正在运行...****"); Console.WriteLine("**** ****"); Console.WriteLine("************************"); Console.Read(); } } }} 
客户端
using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.ServiceModel;using System.ServiceModel.Channels;using WcfServer;namespace WCFCliet{ class Program { static void Main(string[] args) { IWcfService proxy = ChannelFactory .CreateChannel(new WSHttpBinding(), new EndpointAddress("http://localhost:8002/WCFService")); Book book = new Book("英雄之国", "象不语", "曾经的英雄们，终已化作夜空下闪耀的点点星芒； 而不屈的后来者，则发誓要追随前人足迹、继承先祖无上的荣光。"); List bookNameList = new List (); while (true) { Console.WriteLine("*****************************"); Console.WriteLine("**** 0: 获取列表 ****"); Console.WriteLine("**** 1：添加书本 ****"); Console.WriteLine("**** 2：根据名字获取信息 ****"); Console.WriteLine("**** 3：退出程序 ****"); Console.WriteLine("*****************************"); ConsoleKeyInfo info = Console.ReadKey(); switch (info.Key) { case ConsoleKey.D0: bookNameList = proxy.getBookNameList(); foreach (string bookName in bookNameList) { Console.WriteLine(); Console.WriteLine(":: {0} ::", bookName); } break; case ConsoleKey.D1: if (proxy.addBookMessage(book)) { Console.WriteLine("添加成功"); } else { Console.WriteLine("添加失败或已存在"); } break; case ConsoleKey.D2: Console.WriteLine("输入书名"); string name = Console.ReadLine(); book = proxy.getBookMessageByName(name); if (book.getBook() != null) { Console.WriteLine("书名： {0}\r\n作者： {1}\r\n简介： {2}",book.bookName,book.author,book.briefIntroduce); } break; case ConsoleKey.D3: Environment.Exit(0); break; default: Console.WriteLine("输入有误，重新输入"); break; } } } }} 
运行后：
