来源:http://www.cnblogs.com/wywnet/p/3377683.html
自己写一个简单的Web服务器,对加深理解Http协议有很好的帮助,下面就看一下一个基于TcpListener的Web服务器:
class Program
{
static void Main(string[] args)
{
IPAddress address = IPAddress.Loopback;
IPEndPoint endPoint = new IPEndPoint(address, 49152);
TcpListener newserver = new TcpListener(endPoint);
newserver.Start();
Console.WriteLine("开始监听......");
while (true)
{
TcpClient newclient = newserver.AcceptTcpClient();
Console.WriteLine("已经建立连接");
NetworkStream ns = newclient.GetStream();
System.Text.Encoding utf8 = System.Text.Encoding.UTF8;
byte[] request=new byte[4096];
int lehgth = ns.Read(request, 0, 4096);
string requestString = utf8.GetString(request);
Console.WriteLine(requestString);
string statusLine = "HTTP/1.1 200 OK\r\n";
byte[] statusLineBytes = utf8.GetBytes(statusLine);
string responseBody = "<html><head><body><h1>hello world</h1></body></head></html>";
byte[] responseBodyBytes = utf8.GetBytes(responseBody);
//回应头部分
string responseHeader = string.Format("Content-Type:text/html;charset=UTF-8\r\nContent-Length:{0}\r\n",responseBody.Length);
byte[] responseHeaderBytes = utf8.GetBytes(responseHeader);
ns.Write(statusLineBytes, 0, statusLineBytes.Length);
ns.Write(responseHeaderBytes, 0, responseHeaderBytes.Length);
ns.Write(new byte[] { 13, 10 }, 0, 2);
ns.Write(responseBodyBytes, 0, responseBodyBytes.Length);
newclient.Close();
if (Console.KeyAvailable)
break;
}
newserver.Stop();
}
运行程序,然后打开浏览器,在浏览器窗口中输入服务器的地址:http://localhost:49152,这时就回看到服务器返回的数据。