我在.NET中有基于Windows窗体应用程序的示例代码但是我想在Web应用程序中实现相同的代码。我可以在Web应用程序中使用相同的方法和类但是有一种方法（backgroundworker）在web中不起作用application.I尝试在aspx中使用后台工作程序，但我无法建立连接。
这是我的Windows窗体应用程序代码
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Net;
using System.Net.Sockets;
using System.IO;
namespace ServerClient
{
public partial class Form1 : Form
{
private TcpClient client;
public StreamReader STR;
public StreamWriter STW;
public String receive = "kkkk";
public String text_to_send;
TcpListener listener;
public Form1()
{
InitializeComponent();
IPAddress[] localIP = Dns.GetHostAddresses(Dns.GetHostName()); // get by own IP
foreach(IPAddress address in localIP)
{
if(address.AddressFamily == AddressFamily.InterNetwork)
{
textBox3.Text = address.ToString();
}
}
}
private void Form1_Load(object sender, EventArgs e)
{
}
private void button2_Click(object sender, EventArgs e) // start server
{
listener = new TcpListener(IPAddress.Any, int.Parse(textBox4.Text));
listener.Start();
client = listener.AcceptTcpClient();
STR = new StreamReader(client.GetStream());
STW = new StreamWriter(client.GetStream());
STW.AutoFlush = true;
backgroundWorker1.RunWorkerAsync(); // start receiving data in background
backgroundWorker2.WorkerSupportsCancellation = true; //Ability to cancel this thread
}
private void textBox5_TextChanged(object sender, EventArgs e)
{
}
private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e) //receive data
{
NetworkStream stream = client.GetStream();
Byte[] bytes = new Byte[256];
String data = null;
int i;
// Loop to receive all the data sent by the client.
while ((i = stream.Read(bytes, 0, bytes.Length)) != 0)
{
// Translate data bytes to a ASCII string.
data = System.Text.Encoding.ASCII.GetString(bytes, 0, i);
byte[] bHex = Encoding.ASCII.GetBytes(data);
this.textBox2.Invoke(new MethodInvoker(delegate () { textBox2.AppendText("GSM:" + data + "\n"); }));
//Console.WriteLine("Received: {0}", data);
// Process the data sent by the client.
// data = data.ToUpper();
//byte[] msg = System.Text.Encoding.ASCII.GetBytes(data);
// Send back a response.
// stream.Write(msg, 0, msg.Length);
//Console.WriteLine("Sent: {0}", data);
}
}
private void backgroundWorker2_DoWork(object sender, DoWorkEventArgs e) //send data
{
if(client.Connected)
{
STW.WriteLine(text_to_send);
this.textBox2.Invoke(new MethodInvoker(delegate () { textBox2.AppendText("Me:" + text_to_send + "\n"); }));
}
else
{
MessageBox.Show("Send Failed!");
}
backgroundWorker2.CancelAsync();
}
private void button3_Click(object sender, EventArgs e)
{
client = new TcpClient();
IPEndPoint IP_End = new IPEndPoint(IPAddress.Parse(textBox5.Text), int.Parse(textBox6.Text));
try
{
client.Connect(IP_End);
if (client.Connected)
{
textBox2.AppendText("Connected To Server" + "\n");
STW = new StreamWriter(client.GetStream());
STR = new StreamReader(client.GetStream());
STW.AutoFlush = true;
backgroundWorker1.RunWorkerAsync(); // start receiving data in background
backgroundWorker2.WorkerSupportsCancellation = true; //Ability to cancel this thread
}
}
catch(Exception x)
{
MessageBox.Show(x.Message.ToString());
}
}
private void button1_Click(object sender, EventArgs e) // Send button
{
if(textBox1.Text != "")
{
text_to_send = textBox1.Text;
backgroundWorker2.RunWorkerAsync();
}
textBox1.Text = "";
}
private void textBox3_TextChanged(object sender, EventArgs e)
{
}
private void textBox4_TextChanged(object sender, EventArgs e)
{
}
}
}
是否可以使用此代码构建Web应用程序，或者您是否可以在Web应用程序中为客户端服务器通信中提供使用TCP / IP协议的任何示例代码。请帮助。提前感谢