本示例使用设备：实时网络双门双向门禁控制板可二次编程控制网络继电器远程开关-淘宝网 (taobao.com)
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Net;
using System.Net.Sockets;
using System.Windows.Forms;
using System.Collections;
using System.Collections.Specialized;
using System.Runtime.InteropServices;
using System.Management;namespace UdpPostReaderDemoCSharp
{public partial class Form1 : Form{Form3 f3;Form5 f5;Form6 f6;int PortNumber;public string localIp;string machinnos;Boolean ready = false ; //线程运行标志Socket ListenerSock; //SocketThread ListenerThre; //端口侦听线程public IPEndPoint RemoteIPoint; //这里指向发送数据包的目的Ip及端口，EndPoint是IPEndPoint的基类，IPEndPoint可以强转为EndPoint。EndPoint ep = (EndPoint)iep,主要目的是IPEndPoint可以自己写入IP地址和端口string BeepCode;string VoiceCode;public string sendcode; //批量下传注册号的指针、缓冲、重发标志public bool SendCount;public int SendAgain;public int SendPoin;public int SendPoinMax;public string[] SendBufStr=new string[7950];delegate void Update1(string text1,string text2); //线程内更新UI委拖[DllImport("Iphlpapi.dll")]private static extern int SendARP(Int32 dest, Int32 host, ref Int64 mac, ref Int32 length);[DllImport("Ws2_32.dll")]private static extern Int32 inet_addr(string ip);public Form1(){InitializeComponent();}private void Form1_Load(object sender, EventArgs e){ready = false;GetIp(); StartListener();}private void GetIp(){ArrayList AllIp = new ArrayList();string name = Dns.GetHostName();IPAddress[] ipadrlist = Dns.GetHostAddresses(name);foreach (IPAddress ipa in ipadrlist){if (ipa.AddressFamily == AddressFamily.InterNetwork)localIp = ipa.ToString();if (checkip(localIp)){AllIp.Add(localIp);ComboBox1.Items.Add(localIp);}}if (ComboBox1.Items.Count > 0){ComboBox1.SelectedIndex = 0;localIp = ComboBox1.Text; }else {MessageBox.Show("未能查找到本台电脑安装的网卡，暂不能启动本软件。", "警告", MessageBoxButtons.OK, MessageBoxIcon.Error);System.Environment.Exit(0); //这是最彻底的退出方式，不管什么线程都被强制退出，把程序结束的很干净。}}private void StartListener(){IPEndPoint LocalPoint;PortNumber = Convert.ToInt32(TextBox6.Text) ;while (!ready){try{LocalPoint = new IPEndPoint(IPAddress.Parse(localIp), PortNumber);ListenerSock = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);ListenerSock.Bind(LocalPoint);ListenerThre = new Thread(new ThreadStart(ThrListener));ListenerThre.Start();ready = true;}catch {ListenerSock.Close();ready = false;MessageBox.Show("有其它应用程序占用了 " + PortNumber.ToString() + " ，请检查并关闭此应用后再打开本程序", "警告", MessageBoxButtons.OK, MessageBoxIcon.Error);System.Environment.Exit(0); //这是最彻底的退出方式，不管什么线程都被强制退出，把程序结束的很干净。}}}public void ThrListener(){while (ready){try{EndPoint RemotePoint = new IPEndPoint(System.Net.IPAddress.Any, 0);byte[] bytes = new byte[1024];int NumGet = ListenerSock.ReceiveFrom(bytes, ref RemotePoint);string Msg = Encoding.GetEncoding(936).GetString(bytes, 0, NumGet);//string Msg = Encoding.UTF8.GetString(bytes, 0, NumGet); //读wifi参数时，要用utf8编码string dispstr = DateTime.Now.ToLocalTime().ToString("yyyy-MM-dd HH:mm:ss") + (" FromIP：" + Convert.ToString(RemotePoint) + " ").Substring(0, 30) + "Data：";RemoteIPoint =(IPEndPoint)RemotePoint; //获取数据包来源IP及端口，原路回应this.BeginInvoke(new Update1(EditUi), dispstr, Msg); //显示接收到的数据包，并根据情况回应设备 }catch(Exception ex ){this.BeginInvoke(new Update1(EditUi), DateTime.Now.ToLocalTime().ToString("yyyy-MM-dd HH:mm:ss")+" ",ex.Message );}}}private void EditUi(string text1, string Msg) //解析显示接收到的数据包，并对设备进行回应{if (ListBox1.Items.Count > 50) { ListBox1.Items.Clear();}ListBox1.Items.Add(text1 + Msg);ListBox1.SelectedIndex = ListBox1.Items.Count - 1;string DevRecFramesStr;string DevBufferIpAddrStr;string DevBufferMachinStr;string DevBufferCardidStr;string DevBufferDatetimeStr;string DevBufferUseMoneryStr;string DevBufferUseTimeStr;string DevBufferMaskStr;string DevBufferGatewayStr;string DevBufferRemoteAddrStr;string DevBufferPort;string DevBufferNumberDecStr;string DevBufferGatewayStrMAC;string DevBufferRemoteAddrMACStr;string DevBufferMACSearchStr;string DevBufferSerialNumStr;string DevBufferStaryStr;string DevBufferRecordAddStr;string DevBufferAllNoStr;string DevBufferInputKeyStr;string DevBufferCommandStr;string DevBufferFunctionStr1;string DevBufferFunctionStr2;string DevBufferQrcodeInfStr;string DevBufferReaderStr;string DevBufferDoorNoStr;string DevBufferDelayStr;string DevBufferPasswPropStr;string DevBufferPassWStr;string DevBufferStateStr;string DevBufferRandomCode;string DevBufferScanStr;string MACSTC;string MACCH;string iswifi;string wifidhcp;string Sendinf;int poi;ListViewItem plist;string[] dataArray = Msg.Split(new char[2] { ',', ',' });switch (dataArray[0]){case "101": //接收到 1、终端开机时向电脑发送的开机信息, 2、电脑发送002查询设备时间所返回的信息DevRecFramesStr = dataArray[1]; //包序列号DevBufferIpAddrStr = dataArray[2]; //终端IPDevBufferRemoteAddrStr = dataArray[3]; //远程电脑指机IPDevBufferMachinStr = dataArray[4]; //机号DevBufferDatetimeStr = dataArray[5]; //日期时间*/if (dataArray.Length > 6){ //2018年以后的设备有唯一硬件序号*/DevBufferSerialNumStr = dataArray[6];}Response("001," + DevRecFramesStr); //向设备回应001+包序列号，表示已收到信息，否则设备会连续发三次string SystemTimeStr = DateTime.Now.ToLocalTime().ToString("yyyy-MM-dd HH:mm:ss");if( DevBufferDatetimeStr.Substring(0, 16) != SystemTimeStr.Substring(0, 16) ) //判断设备时间是否正确，不正确就更正时间{Response("003," + DevBufferMachinStr+","+SystemTimeStr);//更新设备时钟}TextBox3.Text = DevBufferDatetimeStr;break;case "150": //接收到实时考勤门禁机刷卡数据DevRecFramesStr = dataArray[1]; //包序列号DevBufferIpAddrStr = dataArray[2]; //终端IPDevBufferRemoteAddrStr = dataArray[3]; //远程电脑指机IPDevBufferMachinStr = dataArray[4]; //机号DevBufferCardidStr = dataArray[5]; //十位物理卡号DevBufferReaderStr= dataArray[6]; //读头号DevBufferDoorNoStr = dataArray[7]; //门或继电器号*/DevBufferDelayStr = dataArray[8]; //门磁未关秒数，0表示已关*/DevBufferPasswPropStr = dataArray[9]; //密码属性（0密码无效，1刷卡后按密码,2补签密码,3开门密码，4防迫胁密码）*/DevBufferPassWStr = dataArray[10]; //密码(最多8位数字)*/DevBufferUseTimeStr = dataArray[11]; //刷卡时间 if(dataArray.Length > 12){DevBufferSerialNumStr = dataArray[12]; //2018年以后的设备有唯一硬件序号}Response("001," + DevRecFramesStr); //向设备回应001+包序列号，表示已收到信息，否则设备会连续发三次//此处加入业务对数据库的查、增、删、减操作//用050指令返回开门成功，051指令返回开门失败，正式系统开发时要有重发机制switch( VoiceCode){case "0":case "1":case "2":case "3":case "4":case "5":case "6":case "7":case "8":case "9":case "10":case "11":case "12":case "13":case "14":case "15": //提示警告不开门Sendinf = "051," + DevBufferMachinStr + "," + DevBufferCardidStr + "," + TextBox5.Text.Trim() + "," + NumericUpDown2.Value.ToString() + "," + BeepCode + "," + VoiceCode; break;default : //显示并开门Sendinf = "050," + DevBufferMachinStr + "," + DevBufferCardidStr + "," + TextBox5.Text.Trim() + "," + NumericUpDown2.Value.ToString() + "," + BeepCode + "," + VoiceCode + "," + DevBufferReaderStr + "," + DevBufferDoorNoStr + "," + NumericUpDown1.Value.ToString() + "," + NumericUpDown2.Value.ToString(); break;}Response(Sendinf);break;case "151": //接收到实时考勤门禁机按钮开门申请信息DevRecFramesStr = dataArray[1]; //包序列号DevBufferIpAddrStr = dataArray[2]; //终端IPDevBufferRemoteAddrStr = dataArray[3]; //远程电脑指机IPDevBufferMachinStr = dataArray[4]; //机号DevBufferInputKeyStr = dataArray[5]; //按钮号DevBufferReaderStr = dataArray[6]; //对应的门或继电器号DevBufferDelayStr = dataArray[7]; //门磁未关秒数(0门已关)DevBufferUseTimeStr = dataArray[8]; //按键时间 if (dataArray.Length > 9){DevBufferSerialNumStr = dataArray[9]; //2018年以后的设备有唯一硬件序号}Response("001," + DevRecFramesStr); //向设备回应001+包序列号，表示已收到信息，否则设备会连续发三次//此处加入业务对数据库的查、增、删、减操作//用050指令返回开门成功，051指令返回开门失败，正式系统开发时要有重发机制switch (VoiceCode){case "0":case "1":case "2":case "3":case "4":case "5":case "6":case "7":case "8":case "9":case "10":case "11":case "12":case "13":case "14":case "15": //提示警告不开门Sendinf = "051," + DevBufferMachinStr + "," + DevBufferInputKeyStr + "," + TextBox5.Text.Trim() + "," + NumericUpDown2.Value.ToString() + "," + BeepCode + "," + VoiceCode;break;default: //显示并开门Sendinf = "050," + DevBufferMachinStr + "," + DevBufferInputKeyStr + "," + TextBox5.Text.Trim() + "," + NumericUpDown2.Value.ToString() + "," + BeepCode + "," + VoiceCode + "," + DevBufferReaderStr + "," + NumericUpDown1.Value.ToString() + "," + NumericUpDown2.Value.ToString();break;}Response(Sendinf);break;case "152": //接收到实时考勤门禁机门磁报警信息DevRecFramesStr = dataArray[1]; //包序列号DevBufferIpAddrStr = dataArray[2]; //终端IPDevBufferRemoteAddrStr = dataArray[3]; //远程电脑指机IPDevBufferMachinStr = dataArray[4]; //机号DevBufferInputKeyStr = dataArray[5]; //门磁号DevBufferReaderStr = dataArray[6]; //对应的门或继电器号DevBufferDelayStr = dataArray[7]; //门磁未关秒数(0门已关)DevBufferUseTimeStr = dataArray[8]; //设备时间 if (dataArray.Length > 9){DevBufferSerialNumStr = dataArray[9]; //2018年以后的设备有唯一硬件序号}Response("001," + DevRecFramesStr); //向设备回应001+包序列号，表示已收到信息，否则设备会连续发三次break;case "153": //接收到实时考勤门禁机查询设备状态的053指令反馈DevRecFramesStr = dataArray[1]; //包序列号DevBufferIpAddrStr = dataArray[2]; //终端IPDevBufferRemoteAddrStr = dataArray[3]; //远程电脑指机IPDevBufferMachinStr = dataArray[4]; //机号DevBufferInputKeyStr = dataArray[5]; //门及继电器号DevBufferReaderStr = dataArray[6]; //继电器状态DevBufferDelayStr = dataArray[7]; //门磁未关秒数(0门已关)DevBufferStateStr = dataArray[8]; //门磁报警状态 if (dataArray.Length > 9){DevBufferSerialNumStr = dataArray[9]; //2018年以后的设备有唯一硬件序号}Response("001," + DevRecFramesStr); //向设备回应001+包序列号，表示已收到信息，否则设备会连续发三次f6.TextBox3.Text = "继电器号：" + DevBufferInputKeyStr + "，继电器状态：" + DevBufferReaderStr + "，门磁未关秒数：" + DevBufferDelayStr + "，门磁报警状态：" + DevBufferStateStr;break;case "154": //接收到实时考勤门禁机卡离开感应区DevRecFramesStr = dataArray[1]; //包序列号DevBufferIpAddrStr = dataArray[2]; //终端IPDevBufferRemoteAddrStr = dataArray[3]; //远程电脑指机IPDevBufferMachinStr = dataArray[4]; //机号DevBufferCardidStr = dataArray[5]; //十位物理卡号DevBufferSerialNumStr = dataArray[6]; //设备有唯一硬件序号break;case "155": //接收到实时考勤门禁机脱网记录DevRecFramesStr = dataArray[1]; //包序列号DevBufferIpAddrStr = dataArray[2]; //终端IPDevBufferRemoteAddrStr = dataArray[3]; //远程电脑指机IPDevBufferMachinStr = dataArray[4]; //机号DevBufferCardidStr = dataArray[5]; //十位物理卡号DevBufferReaderStr = dataArray[6]; //读头号DevBufferDoorNoStr = dataArray[7]; //门或继电器号*/DevBufferPasswPropStr = dataArray[8]; //密码属性（0密码无效，1刷卡后按密码,2补签密码,3开门密码，4防迫胁密码）*/DevBufferUseTimeStr = dataArray[9]; //刷卡时间 DevBufferStaryStr = dataArray[10]; //消费方式 0扣费 1计次*/DevBufferRecordAddStr = dataArray[11]; //记录地址标识*/DevBufferAllNoStr = dataArray[12]; //总计录数*/DevBufferSerialNumStr = "";if (dataArray.Length > 12){DevBufferSerialNumStr = dataArray[13]; //2018年以后的设备有唯一硬件序号}Response("001," + DevRecFramesStr); //向设备回应001+包序列号，表示已收到信息，否则设备会连续发三次if (!checkDateTime(DevBufferUseTimeStr)) { DevBufferUseTimeStr = "9999-99-99 99:99:99"; } //如果接收到非法的消费时间，将消费时间改为"9999-99-99 99:99:99"才能清除。//此处加入这里对脱网记录进行处理，对数据库的查、增、删、减操作if (CheckBox3.Checked) //清除设备内当前这条已上传的记录，驱动设备继续上传剩下的记录{Sendinf = "055," + DevBufferMachinStr + "," + DevBufferCardidStr + "," + DevBufferUseTimeStr + "," + DevBufferRecordAddStr;Response(Sendinf);}break;case "158": //接收到实时考勤门禁机远程开门058指令的反馈DevRecFramesStr = dataArray[1]; //包序列号DevBufferIpAddrStr = dataArray[2]; //终端IPDevBufferRemoteAddrStr = dataArray[3]; //远程电脑指机IPDevBufferMachinStr = dataArray[4]; //机号DevBufferStaryStr = dataArray[5]; //0开门成功,1开门密码认证失败，2开门密码认证失败超过6次，需等待一段时间后再能再次接收058指令(防暴力破解)，3 不允许此时间段开门DevBufferRandomCode = dataArray[6]; //动态随机码(8位十六进制)switch (DevBufferStaryStr){case "0":f6.TextBox3.Text = "IP：" + DevBufferIpAddrStr + " 开门成功";f6.TextBox2.Text = DevBufferRandomCode;break;case "1":f6.TextBox3.Text = "IP：" + DevBufferIpAddrStr + " 开门密码认证失败!";f6.TextBox2.Text = DevBufferRandomCode;break;case "2":f6.TextBox3.Text = "IP：" + DevBufferIpAddrStr + " 开门密码认证失败超过6次，需等待一段时间后再能再次接收058指令(防暴力破解)";f6.TextBox2.Text = DevBufferRandomCode;break;case "3":f6.TextBox3.Text = "IP：" + DevBufferIpAddrStr + " 不允许此时间段开门";f6.TextBox2.Text = DevBufferRandomCode;break;}break;case "159": //接收到实时考勤门禁机心跳信息DevRecFramesStr = dataArray[1]; //包序列号DevBufferIpAddrStr = dataArray[2]; //终端IPDevBufferRemoteAddrStr = dataArray[3]; //远程电脑指机IPDevBufferMachinStr = dataArray[4]; //机号DevBufferQrcodeInfStr = dataArray[5]; //信息类型DevBufferFunctionStr1 = dataArray[6]; //继电器状态(bit0为第1门bit1为第2门)DevBufferFunctionStr2 = dataArray[7]; //消防输入状态DevBufferRandomCode = dataArray[8]; //&动态随机码(8位十六进制)DevBufferDatetimeStr = dataArray[9]; //日期时间DevBufferSerialNumStr = dataArray[10]; //设备硬件号try{f6.TextBox2.Text = DevBufferRandomCode;}catch { }break;case "170": //接收门禁外接双USB扫描枪模块DevRecFramesStr = dataArray[1]; //包序列号DevBufferIpAddrStr = dataArray[2]; //终端IPDevBufferRemoteAddrStr = dataArray[3]; //远程电脑指机IPDevBufferMachinStr = dataArray[4]; //机号DevBufferScanStr = dataArray[5]; //扫码信息DevBufferReaderStr= dataArray[6]; //对应门的扫描枪号DevBufferDoorNoStr = dataArray[7]; //门或继电器号*/DevBufferDelayStr = dataArray[8]; //门磁未关秒数，0表示已关*/DevBufferUseTimeStr = dataArray[9]; //扫码时间 DevBufferSerialNumStr = dataArray[10]; //设备有唯一硬件序号Response("001," + DevRecFramesStr); //向设备回应001+包序列号，表示已收到信息，否则设备会连续发三次switch( VoiceCode){case "0":case "1":case "2":case "3":case "4":case "5":case "6":case "7":case "8":case "9":case "10":case "11":case "12":case "13":case "14":case "15": //提示警告不开门Sendinf = "051," + DevBufferMachinStr + "," + DevBufferReaderStr + "," + TextBox5.Text.Trim() + "," + NumericUpDown2.Value.ToString() + "," + BeepCode + "," + VoiceCode; break;default : //显示并开门Sendinf = "050," + DevBufferMachinStr + ",0," + TextBox5.Text.Trim() + "," + NumericUpDown2.Value.ToString() + "," + BeepCode + "," + VoiceCode + "," + DevBufferReaderStr + "," + DevBufferDoorNoStr + "," + NumericUpDown1.Value.ToString() + "," + NumericUpDown2.Value.ToString(); break;}Response(Sendinf);break;}
