这是一个功能齐全的 WCF Hello World 程序。即我能够运行这个程序没有任何异常。
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;
using System.ServiceModel;
using System.Text;
namespace DataContractsNamespace
{
[DataContract]
public class AccountInfo
{
[DataMember]
public string FirstName { get; set; }
[DataMember]
public string LastName { get; set; }
}
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.ServiceModel;
using System.Text;
namespace Clients
{
public class BankProxy : ServiceContractsNamespace.IBank
{
ServiceContractsNamespace.IBank channel;
public BankProxy()
{
channel = ChannelFactory<ServiceContractsNamespace.IBank>.CreateChannel(new BasicHttpBinding(), new EndpointAddress("http://localhost:8000/Services/BankService"));
}
public decimal GetAcccountBalance(string AcctNo)
{
return channel.GetAcccountBalance(AcctNo);
}
public DataContractsNamespace.AccountInfo GetAccountInfo(string AcctNo)
{
return channel.GetAccountInfo(AcctNo);
}
}
}
using System;
using System.Collections.Generic;
using System.ServiceModel;
using System.Text;
namespace ServiceContractsNamespace
{
[ServiceContract]
public interface IBank
{
[OperationContract]
decimal GetAcccountBalance(string AcctNo);
[OperationContract]
DataContractsNamespace.AccountInfo GetAccountInfo(string AcctNo);
}
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace Clients
{
class Program
{
static void Main(string[] args)
{
BankProxy prox = new BankProxy();
Console.WriteLine("Hit enter to invoke the service call. Type exit then enter to close");
while (Console.ReadLine() != "exit")
{
string balance = prox.GetAcccountBalance("1234").ToString("c");
DataContractsNamespace.AccountInfo ai = prox.GetAccountInfo("1234");
Console.WriteLine("{0} {1} your account balance is {2}.", ai.FirstName, ai.LastName, balance);
}
}
}
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace Hosts
{
public class BankService : ServiceContractsNamespace.IBank
{
public decimal GetAcccountBalance(string AcctNo)
{
return 1.37m;
}
public DataContractsNamespace.AccountInfo GetAccountInfo(string AcctNo)
{
DataContractsNamespace.AccountInfo ai = new DataContractsNamespace.AccountInfo();
ai.FirstName = "Paul";
ai.LastName = "Johansen";
return ai;
}
}
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.ServiceModel;
using System.Text;
namespace Hosts
{
class Program
{
static void Main(string[] args)
{
ServiceHost servHo = new ServiceHost(typeof(BankService), new Uri("http://localhost:8000/Services"));
servHo.AddServiceEndpoint(typeof(ServiceContractsNamespace.IBank), new BasicHttpBinding(), "BankService");
servHo.Open();
Console.WriteLine("This service is open for business. Hit Enter to close.");
Console.ReadLine();
servHo.Close();
}
}
}
如您所见,AccountInfo - 数据合约由客户端和主机共享。
我只需要将数据合同保留给主机/服务端。
客户端应该只看到 DataContracts 的接口(如IAccountInfo
)。
我应该如何修改我的程序来介绍IAccountInfo
?