<xmlnamespace prefix ="o" ns ="urn:schemas-microsoft-com:office:office" /> 

namespace WcfDemo 
{ 
// 注意: 如果更改此處的接口名稱(chēng) "IService1"，也必須更新 Web.config 中對(duì) "IService1" 的引用。 
[ServiceContract] // 服務(wù)合同 即提供服務(wù)的接口或類(lèi) 
public interface IService1 
{ 
[OperationContract] 
/* 增加車(chē)票的方法*/ 
void AddTicket(int count); 
[OperationContract] 
/*購(gòu)買(mǎi)車(chē)票的方法*/ 
int BuyTickets(int Num); 
[OperationContract] //服務(wù)契約 即提供服務(wù)的實(shí)現(xiàn)方法 
/*查詢車(chē)票的方法*/ 
int GetRemainingNum(); 
// 任務(wù): 在此處添加服務(wù)操作 
} 
// 使用下面示例中說(shuō)明的數(shù)據(jù)約定將復(fù)合類(lèi)型添加到服務(wù)操作。 
[DataContract] //數(shù)據(jù)契約 
public class Ticket 
{ 
bool boolCount = true;//判斷是否還有車(chē)票 
int howmany = 10;//還有多少車(chē)票 
[DataMember] 
/*判斷是否還有票*/ 
public bool BoolCalue 
{ 
get { return boolCount; } 
set { 
if (HowMany > 0) 
{ 
boolCount = false; 
} 
else 
{ 
boolCount = true; 
} 
} 
} 
[DataMember] 
/*返回票數(shù)*/ 
public int HowMany 
{ 
get { return howmany; } 
set { howmany = value;} 
} 
} 
} 

namespace WcfDemo 
{ 
// 注意: 如果更改此處的類(lèi)名“Service1”，也必須更新 Web.config 和關(guān)聯(lián)的 .svc 文件中對(duì)“Service1”的引用。 
public class Service1 : IService1 
{ 
Ticket T=new Ticket(); 
/*實(shí)現(xiàn)添加票數(shù)的方法*/ 
public void AddTicket(int count) 
{ 
T.HowMany=T.HowMany+count; 
} 
/*實(shí)現(xiàn)返回票數(shù)的方法*/ 
public int GetRemainingNum() 
{ 
return T.HowMany; 
} 
/*實(shí)現(xiàn)購(gòu)買(mǎi)車(chē)票的方法*/ 
public int BuyTickets(int Num) 
{ 
if (T.BoolCalue) 
{ 
T.HowMany = T.HowMany - Num; 
return 1; 
} 
else 
{ 
return 0; 
} 
} 
} 
} 

public partial class Form1 : Form 
{ 
public Form1() 
{ 
InitializeComponent(); 
} 
ServiceHost host = null;//定義 ServiceHost 
private void button1_Click(object sender, EventArgs e) 
{ 
host = new ServiceHost(typeof(WcfDemo.Service1));//WcfDemo.Service1 為引用的dll中的服務(wù) 
host.Open();//啟動(dòng)服務(wù) 
this.label1.Text = "服務(wù)已啟動(dòng)"; 
} 

private void button2_Click(object sender, EventArgs e) 
{ 
if (host.State != CommunicationState.Closed)//判斷服務(wù)是否關(guān)閉 
{ 
host.Close();//關(guān)閉服務(wù) 
} 
this.label1.Text = "服務(wù)已關(guān)閉"; 
} 
} 

<?xml version="1.0" encoding="utf-8" ?> 
<configuration> 
<system.serviceModel> 
<services><!--添加服務(wù)--> 
<service name="WcfDemo.Service1" behaviorConfiguration="CalculatorServiceBehavior"> 
<!--name 必須與代碼中的host實(shí)例初始化的服務(wù)一樣 
behaviorConfiguration 行為配置 --> 
<host> 
<baseAddresses> 
<!--添加調(diào)用服務(wù)地址--> 
<add baseAddress="http://localhost:8000/"/> 
</baseAddresses> 

</host> 
<!--添加契約接口 contract="WcfDemo.IService1" WcfDemo.IService1為契約接口 binding="wsHttpBinding" wsHttpBinding為通過(guò)Http調(diào)用--> 
<endpoint address="" binding="wsHttpBinding" contract="WcfDemo.IService1"></endpoint> 
</service> 

</services> 
<!--定義CalculatorServiceBehavior的行為--> 
<behaviors> 
<serviceBehaviors> 
<behavior name="CalculatorServiceBehavior"> 
<serviceMetadata httpGetEnabled="true"/> 
<serviceDebug includeExceptionDetailInFaults="false"/> 

</behavior> 

</serviceBehaviors> 

</behaviors> 
</system.serviceModel> 
</configuration> 

public partial class Form2 : Form 
{ 
public Form2() 
{ 
InitializeComponent(); 
} 
ServiceReference1.Service1Client TClient = new WinFormsClient.ServiceReference1.Service1Client(); 
//聲明客戶端調(diào)用 
private void button1_Click(object sender, EventArgs e) 
{ 
int i = TClient.BuyTickets(2); //調(diào)用WCF中的方法 
if (i == 1) 
{ 
this.label1.Text = "購(gòu)買(mǎi)成功"; 
} 
this.label1.Text += "剩余車(chē)票還有" + TClient.GetRemainingNum().ToString(); 
} 
private void button2_Click(object sender, EventArgs e) 
{ 
this.label1.Text = ""; 
this.label1.Text = TClient.GetRemainingNum().ToString();//調(diào)用WCF中的方法 
} 
}