//创建监听线程Thread Listen_thread = new Thread(socket_listen);Listen_thread.IsBackground = false;Listen_thread.Start();        

            Socket server_socket = null;//监听的IP地址和端口 作为服务器，绑定的只能是本机Ip地址或者环回地址(不能与系统其它进程端口冲突)//如果绑定为本节IP地址，局域网下其它设备可以通过http://host:port来访问当前服务器string host = "127.0.0.1";int port = 3000;IPAddress ip = IPAddress.Parse(host);IPEndPoint ipe = new IPEndPoint(ip, port);//新建Socket套接字，绑定在指定的端口并开始监听server_socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);server_socket.Bind(ipe);server_socket.Listen(100);Console.WriteLine("Server Binding at " + host + ":" + port.ToString() +"...");Console.WriteLine("Wait for connect....");while (true){Socket CurrentSocket;//三次握手成功，新建一个连接CurrentSocket = server_socket.Accept();Console.WriteLine("New TCP Socket Create...");//单开一个线程用来处理服务器收发, 并发服务器模式ParameterizedThreadStart tStart = new ParameterizedThreadStart(socket_process);Thread process_thread = new Thread(tStart);process_thread.IsBackground = false;process_thread.Start(CurrentSocket);}

          Socket CurrentSocket = (Socket)obj;try{string recvStr = "";byte[] recvBytes = new byte[2000];int length;//获得当前Socket连接传输的数据，并转换为ASCII码格式length = CurrentSocket.Receive(recvBytes, recvBytes.Length, 0);recvStr = Encoding.ASCII.GetString(recvBytes, 0, length);//http引擎处理，返回获得数据byte[] bs =  http_engine(recvStr, length);//通过socket发送引擎处理后数据CurrentSocket.Send(bs, bs.Length, 0);Console.WriteLine("File Send Finish, Socket Close....\r\n");//关闭socket连接CurrentSocket.Close();}catch (Exception exception){Console.WriteLine(exception);CurrentSocket.Close();}

        public class HTTPPrase{//http方法public string http_method;//http资源public string url;//http版本号public string version;//url解析的请求网页类型public string type;};

            int pos;//根据\r\n截断，获取http报文首部并转换为小写，方便后续处理//Get / HTTP/1.1/r/npos = str.IndexOf("\r\n");string str_head = str.Substring(0, pos);str_head = str_head.ToLower();//根据' '来截断起始行，并赋值给对应参数string[] arr = Regex.Split(str_head, @"\s+");HTTPServer.HTTPPrase http_head = new HTTPServer.HTTPPrase();http_head.http_method = arr[0];      // "Get"http_head.url = arr[1];              // "/"http_head.version = arr[2];          // "HTTP/1.1"//判断是否有通过ajax要求获得或者提交的动态数据 http_head.ajax_status = str_head.IndexOf(".ajax") != -1 ? true : false;byte[] bs = http_head.ajax_status == true ? ajax_process(http_head, str) : static_process(http_head, str);return bs;

              //获得当前程序所在的文件夹string url_str = System.AppDomain.CurrentDomain.SetupInformation.ApplicationBase;if (string.Compare(head.url, "/") == 0){//对于首个请求127.0.0.1:3000/ 返回index.htmlurl_str += "html\\index.html";head.type = "html";}else{//其它请求 如/spring.js 替换为 ...\html\spring.js便于C#查询文件路径url_str =url_str + "html\\" + head.url.Substring(1);url_str = url_str.Replace('/', '\\');int pos = url_str.IndexOf('.');//获得当前请求的网页类型 head.type = url_str.Substring(pos + 1);}

             //以文件流的方式打开指定路径内文件using (FileStream fs = new FileStream(url_str, FileMode.Open, FileAccess.Read)){//StreamReader temp = new StreamReader(fs, Encoding.Default);int fslen = (int)fs.Length;byte[] fbyte = new byte[fslen];int r = fs.Read(fbyte, 0, fslen);fs.Close();   //......}    

                            string HTTP_Current_Head = HTTPServer.HTTP_OK_Head.Replace("CurrentLength", Convert.ToString(fslen));//根据不同url需要返回不同的首部类型 具体对比详见http://tool.oschina.net/commonsswitch (head.type){case "jpg":HTTP_Current_Head = HTTP_Current_Head.Replace("CurrentType", "application/x-jpg");break;case "png":HTTP_Current_Head = HTTP_Current_Head.Replace("CurrentType", "image/png");break;case "html":HTTP_Current_Head = HTTP_Current_Head.Replace("CurrentType", "text/html");break;case "gif":HTTP_Current_Head = HTTP_Current_Head.Replace("CurrentType", "image/gif");break;case "js":HTTP_Current_Head = HTTP_Current_Head.Replace("CurrentType", "application/x-javascript");break;case "asp":HTTP_Current_Head = HTTP_Current_Head.Replace("CurrentType", "text/asp");break;default:HTTP_Current_Head = HTTP_Current_Head.Replace("CurrentType", "text/html");break;}send_str = HTTPServer.HTTP_OK_Start + HTTP_Current_Head;byte[] head_byte = new byte[send_str.Length];head_byte = Encoding.UTF8.GetBytes(send_str);//字符串流合并,生成发送文件 //之前采用的是byte[]->string, string合并， string->byte[]，这种方法读取图片乱码//因此修改为，string合并， string->byte[], byte[]合并方式，读取图片成功byte[] send_byte = new byte[send_str.Length + fbyte.Length];Buffer.BlockCopy(head_byte, 0, send_byte, 0, head_byte.Length);Buffer.BlockCopy(fbyte, 0, send_byte, head_byte.Length * sizeof(byte), fbyte.Length);Console.WriteLine("File Send....");return send_byte;