bk6.cs

编写web服务,并在客户端进行调用,包括控制台应用程序,web应用程序

using System;
using System.Web;
using System.Web.Services;
using System.Web.Services.Protocols;

[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
public class Service : System.Web.Services.WebService
{
    public Service () {

        //如果使用设计的组件，请取消注释以下行 
        //InitializeComponent(); 
    }

    public delegate string LengthyProcedureAsyncStub(int milliseconds);
    public string LengthyProcedure(int milliseconds)
    {
        System.Threading.Thread.Sleep(milliseconds);
        return "成功";
    }
    public class MyState
    {
        public object previousState;
        public LengthyProcedureAsyncStub asyncStub;
    }
    [WebMethod]
    public IAsyncResult BeginLengthyProcedure(int milliseconds, AsyncCallback cb, object s)
    {
        LengthyProcedureAsyncStub stub = new LengthyProcedureAsyncStub(LengthyProcedure);
        MyState ms = new MyState();
        ms.previousState = s;
        ms.asyncStub = stub;
        return stub.BeginInvoke(milliseconds, cb, ms);
    }
    [WebMethod]
    public string EndLengthyProcedure(IAsyncResult call)
    {
        MyState ms = (MyState)call.AsyncState;
        return ms.asyncStub.EndInvoke(call);
    }
    
}