时间:2021-07-01 10:21:17 帮助过:11人阅读
public class HttpServer : IDisposable
{
private HttpListener listener;
public void Start()
{
listener = new HttpListener();
listener.Prefixes.Add("http://localhost/");
listener.AuthenticationSchemes = AuthenticationSchemes.IntegratedWindowsAuthentication | AuthenticationSchemes.Anonymous;
listener.Start();
listener.BeginGetContext(GetContext, null);
}
private void GetContext(IAsyncResult ar)
{
HttpListenerRequest Request;
HttpListenerResponse Response;
try
{
HttpListenerContext ctx = listener.EndGetContext(ar);
Request = ctx.Request;
Response = ctx.Response;
//setup waiting for the next request
listener.BeginGetContext(GetContext, null);
}
catch (InvalidOperationException)
{
return;
}
catch (HttpListenerException)
{
return;
}
try
{
var sw = new StreamWriter(Response.OutputStream);
sw.Write(@"<html><body><p>你的请求已经被截取</p></body></html>");
sw.Flush();
}
finally
{
Response.OutputStream.Flush();
Response.Close();
}
}
public void Dispose()
{
if (listener != null)
listener.Stop();
}
}
3:简单解释一下
代码的核心就是HttpListener,通过它去侦听一个端口,当有请求的时候BeginGetContext交给GetContext方法进行异步处理,在这个方法的内部首先实现的就是重新监听。然后进行自己的处理。
呵呵,这段代码有什么其他用处待考虑。