我似乎无法在以下简单的 Web 服务器应用程序中检索任何帖子数据。request.InputStream 从不返回任何内容。
来自发布表单的 HTML 在代码中。这是非常基本的 - 只是一个 , 和提交按钮。
我错过了什么吗?我以前没有使用过 HttpListener 程序集,所以我不知道我是否遗漏了一些简单的东西。我应该使用不同的程序集吗?
任何帮助将不胜感激!
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net;
using System.Threading;
class Program
{
static void Main(string[] args)
{
WebServer ws = new WebServer(SendResponse, "http://localhost:8088/");
ws.Run();
Console.WriteLine("Press any key to exit.");
Console.ReadKey();
ws.Stop();
}
public static string SendResponse(HttpListenerRequest request)
{
try
{
using (System.IO.StreamReader reader = new System.IO.StreamReader(request.InputStream, request.ContentEncoding))
{
string s = reader.ReadToEnd();
Console.WriteLine("InputStream: {0}", s);
}
}
catch (Exception ex)
{
Console.WriteLine("Error: {0}", ex.Message);
}
return @"<html><body><form action='http://localhost:8088/' method='post'><input type='text' value='My Input'><input type='submit'></form></body></html>";
}
}
public class WebServer
{
private readonly HttpListener _listener = new HttpListener();
private readonly Func<HttpListenerRequest, string> _responderMethod;
public WebServer(string[] prefixes, Func<HttpListenerRequest, string> method)
{
foreach (string s in prefixes)
_listener.Prefixes.Add(s);
_responderMethod = method;
_listener.Start();
}
public WebServer(Func<HttpListenerRequest, string> method, params string[] prefixes) : this(prefixes, method) { }
public void Run()
{
ThreadPool.QueueUserWorkItem((o) =>
{
Console.WriteLine("Listening...");
try
{
while (_listener.IsListening)
{
ThreadPool.QueueUserWorkItem((c) =>
{
var ctx = c as HttpListenerContext;
try
{
string rstr = _responderMethod(ctx.Request);
byte[] buf = Encoding.UTF8.GetBytes(rstr);
ctx.Response.ContentLength64 = buf.Length;
ctx.Response.OutputStream.Write(buf, 0, buf.Length);
}
catch {}
finally
{
ctx.Response.OutputStream.Close();
}
}, _listener.GetContext());
}
}
catch {}
});
}
public void Stop()
{
_listener.Stop();
_listener.Close();
}
}