基本信息
源码名称：C# 网络端口监听示例源码
源码大小：0.04M
文件格式：.rar
开发语言：C#
更新时间：2019-09-28
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源码介绍
一旦有数据进来，会输出到下面控制台
using System;
using System.Collections.Generic;
using System.Configuration;
using System.Linq;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
namespace Socket_Server
{
class Program
{
static void Main(string[] args)
{
TcpListener tcpl = new TcpListener(new IPAddress(new byte[] { 127, 0, 0, 1 }), 9000);//定义一个TcpListener对象监听本地的1111端口
tcpl.Start();//监听开始
while (true)
{
string _data = "";
Socket s = tcpl.AcceptSocket();//挂起一个Socket对象
string remote = s.RemoteEndPoint.ToString();//获取发送端的IP及端口转为String备用
Byte[] stream = new Byte[8];
int bytes = s.Receive(stream);//接收发送端发过来的数据,写入字节数组
//BGW_Handle.ReportProgress(1, "接收来自[" remote "]信息");
//_data = Encoding.UTF8.GetString(stream, 0, bytes);//将字节数据数组转为String
//_data = _data.Replace(" ", "");
_data = BitConverter.ToString(stream, 0, bytes).Replace("-", " ");
Console.WriteLine(_data);
String t = "";
if (_data == "01 03 00 00 00 18 45 C0")
{
if (ConfigurationManager.AppSettings["c_sx"].Trim() == "正序")
{
t = "01 03 30 3F B3 33 33 3F B3 33 33 41 3C 7E FA 41 3C 7E FA 00 00 00 00 00 00 00 00 41 9F 0A 3D 00 00 00 00 41 13 CC 11 C5 47 B0 00 42 19 4C CC 40 C5 70 A4 9A 46";
//s.Send(HexStrTobyte("01 03 30 3F B3 33 33 3F B3 33 33 41 3C 7E FA 41 3C 7E FA 00 00 00 00 00 00 00 00 41 9F 0A 3D 00 00 00 00 41 13 CC 11 C5 47 B0 00 42 19 4C CC 40 C5 70 A4 9A 46"));
}
else if (ConfigurationManager.AppSettings["c_sx"].Trim() == "反序")
{
t = "01 03 30 9A 99 29 42 66 66 3E 42 00 00 9F 42 00 00 B3 42 3D 0A 77 40 CD CC 8C 40 85 EB 01 41 D0 ED 5F 49 33 33 E3 40 00 00 53 44 66 66 50 42 00 00 00 41 AA AA";
//s.Send(HexStrTobyte("01 03 30 9A 99 29 42 66 66 3E 42 00 00 9F 42 00 00 B3 42 3D 0A 77 40 CD CC 8C 40 85 EB 01 41 D0 ED 5F 49 33 33 E3 40 00 00 53 44 66 66 50 42 00 00 00 41 AA AA"));
}
else if (ConfigurationManager.AppSettings["c_sx"].Trim() == "水")
{
t = "01 03 30 42 84 A1 02 3D FD F0 63 00 00 00 00 44 C3 E0 00 41 04 00 00 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 53 10";
//s.Send(HexStrTobyte("01 03 30 9A 99 29 42 66 66 3E 42 00 00 9F 42 00 00 B3 42 3D 0A 77 40 CD CC 8C 40 85 EB 01 41 D0 ED 5F 49 33 33 E3 40 00 00 53 44 66 66 50 42 00 00 00 41 AA AA"));
}
else if (ConfigurationManager.AppSettings["c_sx"].Trim() == "灵芝")
{
t = "01 03 30 41 A4 28 F6 40 DF CE D9 00 00 00 00 47 BE 21 00 3E 0E D9 17 40 89 4F DF 3F E3 D7 0A 40 D1 81 CD FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 8C 0B";
//s.Send(HexStrTobyte("01 03 30 9A 99 29 42 66 66 3E 42 00 00 9F 42 00 00 B3 42 3D 0A 77 40 CD CC 8C 40 85 EB 01 41 D0 ED 5F 49 33 33 E3 40 00 00 53 44 66 66 50 42 00 00 00 41 AA AA"));
}
s.Send(HexStrTobyte(t));
}
Console.WriteLine(t);
s.Shutdown(SocketShutdown.Both);
}
//tcpl.Stop();//停止监听
}
// 16进制字符串转字节数组 格式为 string sendMessage = "00 01 00 00 00 06 FF 05 00 64 00 00";
private static byte[] HexStrTobyte(string hexString)
{
hexString = hexString.Replace(" ", "");
if ((hexString.Length % 2) != 0)
hexString = " ";
byte[] returnBytes = new byte[hexString.Length / 2];
for (int i = 0; i < returnBytes.Length; i )
returnBytes[i] = Convert.ToByte(hexString.Substring(i * 2, 2).Trim(), 16);
return returnBytes;
}
// 字节数组转16进制字符串
public static string byteToHexStr(byte[] bytes)
{
string returnStr = "";
if (bytes != null)
{
for (int i = 0; i < bytes.Length; i )
{
returnStr = bytes[i].ToString("X2");//ToString("X2") 为C#中的字符串格式控制符
}
}
return returnStr;
}
}
}