DLScanSocket.cs
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using OnlineStore.Common;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace OnlineStore.DeviceLibrary
{
public class DLScanSocket
{ /// <summary>
/// 扫码枪链接
/// </summary>
private TcpClient scannerSocket;
/// <summary>
/// 扫描枪 是否开始运行
/// </summary>
private bool isScannerRun = false;
private string ScannerIP = "";
private int ScannerPort = 0;
public delegate void OnCodeRevice(string[] codeList);
public event OnCodeRevice CodeReviceEvent;
public DLScanSocket(string serverIp, int port,OnCodeRevice revicePro)
{
this.ScannerIP = serverIp;
this.ScannerPort = port;
this.CodeReviceEvent += revicePro;
}
/// <summary>
/// 开启扫码枪
/// </summary>
public bool StartConnect( bool isMustCon = false)
{
bool result = true;
try
{
if (!isScannerRun || isMustCon)
{
if (scannerSocket == null)
{
scannerSocket = new TcpClient();
}
result = scannerSocket.StartConnect(ScannerIP, ScannerPort, new TcpClient.HandleMessage(onCodeReceived),2000);
if (result)
{
isScannerRun = true;
}
}
}
catch (Exception ex)
{
LogUtil.error("出错:" + ex);
}
return result;
}
//public void TimerCheck()
//{
// if (!scannerSocket.IsConnected())
// {
// StartConnect( false );
// LogUtil.info( "重新连接扫码枪【" + ScannerIP + "】 ");
// }
//}
/// <summary>
/// 停止扫码枪
/// </summary>
public void Close()
{
try
{
scannerSocket.close();
isScannerRun = false;
}
catch (Exception ex)
{
LogUtil.error("出错：" + ex);
}
}
/// <summary>
/// 发送扫码命令开始扫码
/// </summary>
public void BeginScan()
{
try
{
string str = ConfigAppSettings.GetValue(Setting_Init.StartScan_CMD);
scannerSocket.send(str);
}
catch (Exception ex)
{
LogUtil.error("【" + ScannerIP + "】开始扫码错误：" + ex.ToString());
}
}
public string spiltStr = "##";
/// <summary>
/// 扫码枪数据接收
/// </summary>
/// <param name="message"></param>
protected virtual void onCodeReceived(string message)
{
try
{
message = message.Trim();
message = message.Replace("\r", "");
message = message.Replace("\n", "");
char a = (char)02;
message = message.Replace(a.ToString(), "");
message = message.Trim();
System.Text.ASCIIEncoding asciiEncoding = new System.Text.ASCIIEncoding();
byte[] bytes = asciiEncoding.GetBytes(message);
List<byte> newBytes = new List<byte>();
foreach (byte by in bytes)
{
if (!by.Equals(24))
{
newBytes.Add(by);
}
}
message = asciiEncoding.GetString(newBytes.ToArray());
string[] codeList = message.Split(new string[] { spiltStr},StringSplitOptions.RemoveEmptyEntries);
CodeReviceEvent?.Invoke(codeList);
// return message;
}
catch (Exception ex)
{
LogUtil.error(ex.ToString());
}
}
/// <summary>
/// 处理接收后的二维码
/// </summary>
/// <param name="message"></param>
/// <returns></returns>
public static string ReplaceCode(string message)
{
message = message.Trim();
message = message.Replace("\r", "");
message = message.Replace("\n", "");
char a = (char)02;
message = message.Replace(a.ToString(), "");
message = message.Trim();
System.Text.ASCIIEncoding asciiEncoding = new System.Text.ASCIIEncoding();
byte[] bytes = asciiEncoding.GetBytes(message);
List<byte> newBytes = new List<byte>();
foreach (byte by in bytes)
{
if (!by.Equals(24))
{
newBytes.Add(by);
}
}
message = asciiEncoding.GetString(newBytes.ToArray());
return message;
}
}
}