699 lines
25 KiB
C#
699 lines
25 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Configuration;
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using System.Globalization;
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using System.IO;
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using System.Linq;
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using System.Net.NetworkInformation;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Threading.Tasks;
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namespace FujianEarthquake.Common
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{
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public static class Tools
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{
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/// <summary>
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/// IP地址是否ping通
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/// </summary>
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/// <param name="strIP">IP地址例如“10.8.2.1”</param>
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/// <returns></returns>
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public static bool PingIp(string strIP)
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{
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bool bRet = false;
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try
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{
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Ping pingSend = new Ping();
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PingReply reply = pingSend.Send(strIP, 1000);
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if (reply.Status == IPStatus.Success)
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bRet = true;
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}
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catch (Exception)
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{
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bRet = false;
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}
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return bRet;
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}
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/// <summary>
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/// 添加日志
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/// </summary>
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/// <param name="logstring"></param>
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public static void AddLog(string logstring)
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{
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AddLgoToTXT("解析数据.txt", System.AppDomain.CurrentDomain.SetupInformation.ApplicationBase + @"数据记录\" + System.DateTime.Now.ToString("yyyy_MM_dd") + @"\", logstring);
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}
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/// <summary>
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/// 文件自动保存
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/// </summary>
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/// <param name="_file_name">文件名称</param>
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/// <param name="path">保存路径</param>
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/// <param name="logstring">文件内容</param>
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public static void AddLgoToTXT(string _file_name, string path, string logstring)
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{
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//检查是否存在该路径
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if (!System.IO.Directory.Exists(path))
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{
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Directory.CreateDirectory(path);
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}
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path = path + _file_name;
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//检查该路径下是否存在该文件
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if (!System.IO.File.Exists(path))
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{
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FileStream stream = null;
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try
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{
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stream = System.IO.File.Create(path);
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stream.Close();
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stream.Dispose();
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}
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catch (Exception ex)
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{
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}
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finally
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{
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if (stream != null)
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{
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stream.Close();
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stream.Dispose();
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}
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}
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}
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if (!Txt_Used.ContainsKey(path))
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{
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Txt_Used.Add(path, true);
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}
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else
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{
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if (Txt_Used[path])
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{
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return;
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}
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else
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{
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Txt_Used[path] = true;
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}
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}
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FileStream fs = null;
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try
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{
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//[1]创建文件流 文件路径 和枚举类型的文件操作类型
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fs = new FileStream(path, FileMode.Append);
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//[2]创建写入器
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StreamWriter sw = new StreamWriter(fs);
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//[3]以流的方式写入数据
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sw.Write(logstring);
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//[4]关闭写入器
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sw.Close();
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//[5]关闭文件流
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fs.Close();
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Txt_Used[path] = false;
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}
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catch (Exception ex)
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{
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}
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finally
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{
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if (fs != null)
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{
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fs.Close();
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fs.Dispose();
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}
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}
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}
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static Dictionary<string, bool> Txt_Used = new Dictionary<string, bool>();
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/// <summary>
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/// 读取本地TXT文件
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/// </summary>
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/// <param name="_file_name"></param>
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/// <param name="path"></param>
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/// <returns></returns>
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public static string ReadFromTXT(string _file_name, string path)
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{
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//检查是否存在该路径
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if (!System.IO.Directory.Exists(path))
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return "所选时间段没有系统日志";
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path = path + _file_name;
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//检查该路径下是否存在该文件
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if (!System.IO.File.Exists(path))
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return "所选时间段没有系统日志";
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//如果文件占用就
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if (FileIsInUse(new FileInfo(path)))
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return "";
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//[1]创建文件流
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FileStream fs = new FileStream(path, FileMode.Open);
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//【2】创建读取器
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//Encoding.Default 读取未知文件是使用default格式
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//StreamReader sr = new StreamReader(fs,Encoding.Default);
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StreamReader sr = new StreamReader(fs);
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//【3】以流的方式读取数据
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string txt = sr.ReadToEnd();
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//[4]关闭读取器
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sr.Close();
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//【5】关闭文件流
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fs.Close();
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return txt;
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}
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/// <summary>
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/// 判断文件是否被占用
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/// </summary>
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/// <param name="file"></param>
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/// <returns></returns>
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static bool FileIsInUse(FileInfo file)
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{
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FileStream stream = null;
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try
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{
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stream = file.Open(FileMode.Open, FileAccess.ReadWrite, FileShare.None);
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}
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catch (IOException)
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{
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//如果文件被占用，即
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//1.文件正在被另一个线程处理
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//2.或者正在被另一个线程处理
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//3.或者文件不存在
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return true;
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}
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finally
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{
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if (stream != null)
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stream.Close();
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}
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return false;
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}
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#region CRC校验
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private static readonly byte[] aucCRCHi = {
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0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
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0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
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0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
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0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
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0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
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0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
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0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
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0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
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0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
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0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
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0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
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0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
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0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
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0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
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0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
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0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
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0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
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0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
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0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
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0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
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0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
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0x00, 0xC1, 0x81, 0x40
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};
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private static readonly byte[] aucCRCLo = {
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0x00, 0xC0, 0xC1, 0x01, 0xC3, 0x03, 0x02, 0xC2, 0xC6, 0x06, 0x07, 0xC7,
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0x05, 0xC5, 0xC4, 0x04, 0xCC, 0x0C, 0x0D, 0xCD, 0x0F, 0xCF, 0xCE, 0x0E,
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0x0A, 0xCA, 0xCB, 0x0B, 0xC9, 0x09, 0x08, 0xC8, 0xD8, 0x18, 0x19, 0xD9,
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0x1B, 0xDB, 0xDA, 0x1A, 0x1E, 0xDE, 0xDF, 0x1F, 0xDD, 0x1D, 0x1C, 0xDC,
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0x14, 0xD4, 0xD5, 0x15, 0xD7, 0x17, 0x16, 0xD6, 0xD2, 0x12, 0x13, 0xD3,
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0x11, 0xD1, 0xD0, 0x10, 0xF0, 0x30, 0x31, 0xF1, 0x33, 0xF3, 0xF2, 0x32,
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0x36, 0xF6, 0xF7, 0x37, 0xF5, 0x35, 0x34, 0xF4, 0x3C, 0xFC, 0xFD, 0x3D,
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0xFF, 0x3F, 0x3E, 0xFE, 0xFA, 0x3A, 0x3B, 0xFB, 0x39, 0xF9, 0xF8, 0x38,
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0x28, 0xE8, 0xE9, 0x29, 0xEB, 0x2B, 0x2A, 0xEA, 0xEE, 0x2E, 0x2F, 0xEF,
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0x2D, 0xED, 0xEC, 0x2C, 0xE4, 0x24, 0x25, 0xE5, 0x27, 0xE7, 0xE6, 0x26,
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0x22, 0xE2, 0xE3, 0x23, 0xE1, 0x21, 0x20, 0xE0, 0xA0, 0x60, 0x61, 0xA1,
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0x63, 0xA3, 0xA2, 0x62, 0x66, 0xA6, 0xA7, 0x67, 0xA5, 0x65, 0x64, 0xA4,
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0x6C, 0xAC, 0xAD, 0x6D, 0xAF, 0x6F, 0x6E, 0xAE, 0xAA, 0x6A, 0x6B, 0xAB,
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0x69, 0xA9, 0xA8, 0x68, 0x78, 0xB8, 0xB9, 0x79, 0xBB, 0x7B, 0x7A, 0xBA,
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0xBE, 0x7E, 0x7F, 0xBF, 0x7D, 0xBD, 0xBC, 0x7C, 0xB4, 0x74, 0x75, 0xB5,
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0x77, 0xB7, 0xB6, 0x76, 0x72, 0xB2, 0xB3, 0x73, 0xB1, 0x71, 0x70, 0xB0,
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0x50, 0x90, 0x91, 0x51, 0x93, 0x53, 0x52, 0x92, 0x96, 0x56, 0x57, 0x97,
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0x55, 0x95, 0x94, 0x54, 0x9C, 0x5C, 0x5D, 0x9D, 0x5F, 0x9F, 0x9E, 0x5E,
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0x5A, 0x9A, 0x9B, 0x5B, 0x99, 0x59, 0x58, 0x98, 0x88, 0x48, 0x49, 0x89,
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0x4B, 0x8B, 0x8A, 0x4A, 0x4E, 0x8E, 0x8F, 0x4F, 0x8D, 0x4D, 0x4C, 0x8C,
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0x44, 0x84, 0x85, 0x45, 0x87, 0x47, 0x46, 0x86, 0x82, 0x42, 0x43, 0x83,
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0x41, 0x81, 0x80, 0x40
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};
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public static byte[] Crc16(byte[] pucFrame, int usLen)
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{
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int i = 0;
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byte crcHi = 0xFF;
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byte crcLo = 0xFF;
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UInt16 iIndex = 0x0000;
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while (usLen-- > 0)
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{
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iIndex = (UInt16)(crcLo ^ pucFrame[i++]);
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crcLo = (byte)(crcHi ^ aucCRCHi[iIndex]);
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crcHi = aucCRCLo[iIndex];
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}
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return new byte[] { crcLo, crcHi };
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}
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/// <summary>
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/// CRC校验，参数data为byte数组
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/// </summary>
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/// <param name="data">校验数据，字节数组</param>
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/// <returns>字节1是高8位，字节0是低8位</returns>
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public static byte[] CRCCalc(byte[] data)
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{
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//crc计算赋初始值
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int crc = 0xffff;
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for (int i = 0; i < data.Length; i++)
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{
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crc = crc ^ data[i];
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for (int j = 0; j < 8; j++)
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{
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int temp;
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temp = crc & 1;
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crc = crc >> 1;
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crc = crc & 0x7fff;
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if (temp == 1)
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{
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crc = crc ^ 0xa001;
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}
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crc = crc & 0xffff;
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}
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}
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//CRC寄存器的高低位进行互换
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byte[] crc16 = new byte[2];
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crc16[0] = (byte)((crc >> 8) & 0xff);
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crc16[1] = (byte)(crc & 0xff);
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return crc16;
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}
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/// <summary>
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/// CRC校验，参数data为byte数组
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/// </summary>
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/// <param name="data">校验数据，字节数组</param>
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/// <returns>字节0是高8位，字节1是低8位</returns>
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public static byte[] CRCCalcRev(byte[] data)
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{
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//crc计算赋初始值
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int crc = 0xffff;
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for (int i = 0; i < data.Length; i++)
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{
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crc = crc ^ data[i];
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for (int j = 0; j < 8; j++)
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{
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int temp;
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temp = crc & 1;
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crc = crc >> 1;
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crc = crc & 0x7fff;
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if (temp == 1)
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{
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crc = crc ^ 0xa001;
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}
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crc = crc & 0xffff;
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}
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}
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//CRC寄存器的高低位进行互换
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byte[] crc16 = new byte[2];
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crc16[1] = (byte)((crc >> 8) & 0xff);
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crc16[0] = (byte)(crc & 0xff);
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return crc16;
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}
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/// <summary>
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/// CRC Modbus 低位在前，高位在后
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/// </summary>
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/// <param name="data"></param>
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/// <returns></returns>
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public static byte[] CalculateModbusCRC(byte[] data)
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{
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ushort crc = 0xFFFF;
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for (int i = 0; i < data.Length; i++)
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{
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crc ^= data[i];
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for (int j = 0; j < 8; j++)
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{
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bool carry = (crc & 0x0001) > 0;
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crc >>= 1;
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if (carry)
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{
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crc ^= 0xA001;
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}
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}
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}
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return new byte[] { (byte)(crc & 0xFF), (byte)(crc >> 8) };
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}
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#endregion
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#region CRC16-8005
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private static readonly ushort[] _table = new ushort[256]
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{
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0,32773,32783,10,32795,30,20,32785,32819,54,60,32825,40,32813,32807,34,
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32867,102,108,32873,120,32893,32887,114,80,32853,32863,90,32843,78,68,32833,
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32963,198,204,32969,216,32989,32983,210,240,33013,33023,250,33003,238,228,32993,
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160,32933,32943,170,32955,190,180,32945,32915,150,156,32921,136,32909,32903,130,
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33155,390,396,33161,408,33181,33175,402,432,33205,33215,442,33195,430,420,33185,
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480,33253,33263,490,33275,510,500,33265,33235,470,476,33241,456,33229,33223,450,
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320,33093,33103,330,33115,350,340,33105,33139,374,380,33145,360,33133,33127,354,
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33059,294,300,33065,312,33085,33079,306,272,33045,33055,282,33035,270,260,33025,
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33539,774,780,33545,792,33565,33559,786,816,33589,33599,826,33579,814,804,33569,
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864,33637,33647,874,33659,894,884,33649,33619,854,860,33625,840,33613,33607,834,
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960,33733,33743,970,33755,990,980,33745,33779,1014,1020,33785,1000,33773,33767,994,
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33699,934,940,33705,952,33725,33719,946,912,33685,33695,922,33675,910,900,33665,
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640,33413,33423,650,33435,670,660,33425,33459,694,700,33465,680,33453,33447,674,
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33507,742,748,33513,760,33533,33527,754,720,33493,33503,730,33483,718,708,33473,
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33347,582,588,33353,600,33373,33367,594,624,33397,33407,634,33387,622,612,33377,
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544,33317,33327,554,33339,574,564,33329,33299,534,540,33305,520,33293,33287,514
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};
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/// <summary>
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/// C#CRC16 8005
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/// </summary>
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/// <param name="buffer"></param>
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/// <returns></returns>
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public static byte[] ComputeChecksum(byte[] buffer)
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{
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ushort crc = 0;
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for (int i = 0; i < buffer.Length; ++i)
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{
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crc = (ushort)((crc << 8) ^ _table[(crc >> 8) ^ buffer[i]]);
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}
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return new byte[]
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{
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(byte)(crc >> 8), // High byte
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(byte)crc // Low byte
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};
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}
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#endregion
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#region 16进制转字符串ASCII
|
||
/// <summary>
|
||
/// 16进制转字符串ASCII
|
||
/// </summary>
|
||
/// <param name="hs"></param>
|
||
/// <param name="encode"></param>
|
||
/// <returns></returns>
|
||
public static string HexStringToString(string hs, Encoding encode)
|
||
{
|
||
StringBuilder strTemp = new StringBuilder();
|
||
byte[] b = new byte[hs.Length / 2];
|
||
for (int i = 0; i < hs.Length / 2; i++)
|
||
{
|
||
strTemp.Clear();
|
||
strTemp.Append(hs.Substring(i * 2, 2));
|
||
b[i] = Convert.ToByte(strTemp.ToString(), 16);
|
||
}
|
||
return encode.GetString(b);
|
||
}
|
||
#endregion
|
||
|
||
|
||
#region 16进制转2进制
|
||
/// <summary>
|
||
/// //16转2方法
|
||
/// </summary>
|
||
/// <param name="hexString"></param>
|
||
/// <returns></returns>
|
||
public static string HexString2BinString(string hexString)
|
||
{
|
||
try
|
||
{
|
||
string result = string.Empty;
|
||
foreach (char c in hexString)
|
||
{
|
||
int v = Convert.ToInt32(c.ToString(), 16);
|
||
int v2 = int.Parse(Convert.ToString(v, 2));
|
||
// 去掉格式串中的空格，即可去掉每个4位二进制数之间的空格，
|
||
result += string.Format("{0:d4} ", v2);
|
||
}
|
||
return result;
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
Console.WriteLine(ex.Message);
|
||
throw;
|
||
}
|
||
}
|
||
#endregion
|
||
|
||
|
||
#region 16进制字符串转byte数组
|
||
// 将十六进制字符串转换为字节数组
|
||
public static byte[] HexStringToByteArray(string hexString)
|
||
{
|
||
if (!IsHexStringValid(hexString))
|
||
{
|
||
throw new ArgumentException("无效的十六进制字符串！", nameof(hexString));
|
||
}
|
||
|
||
return Enumerable.Range(0, hexString.Length / 2).Select(x => Convert.ToByte(hexString.Substring(x * 2, 2), 16)).ToArray();
|
||
}
|
||
|
||
// 验证十六进制字符串格式是否正确
|
||
private static bool IsHexStringValid(string hexString)
|
||
{
|
||
Regex regex = new Regex(@"^[A-Fa-f\d]+$");
|
||
return regex.Match(hexString).Success && hexString.Length % 2 == 0;
|
||
}
|
||
#endregion
|
||
|
||
|
||
#region 校验和
|
||
public static byte CheckSum(byte[] buffer)
|
||
{
|
||
byte sum = 0;
|
||
foreach (byte b in buffer)
|
||
{
|
||
sum += b;
|
||
}
|
||
|
||
return sum;
|
||
}
|
||
#endregion
|
||
|
||
|
||
#region 配置文件操作
|
||
private static Configuration config = System.Configuration.ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
|
||
|
||
|
||
/// <summary>
|
||
/// 获取配置文件
|
||
/// </summary>
|
||
/// <param name="key"></param>
|
||
/// <returns></returns>
|
||
public static string GetAppSetting(string key)
|
||
{
|
||
if (ConfigurationManager.AppSettings.AllKeys.Contains(key))
|
||
{
|
||
string value = config.AppSettings.Settings[key].Value;
|
||
return value;
|
||
}
|
||
else
|
||
{
|
||
return null;
|
||
}
|
||
}
|
||
|
||
|
||
/// <summary>
|
||
/// 更新配置文件信息
|
||
/// </summary>
|
||
/// <param name="key"></param>
|
||
/// <param name="value"></param>
|
||
public static void UpdateAppSettings(string key, string value)
|
||
{
|
||
if (GetAppSetting(key) == value) //如果写入的配置文件和之前一致 就不写入了
|
||
return;
|
||
if (ConfigurationManager.AppSettings.AllKeys.Contains(key))
|
||
{
|
||
config.AppSettings.Settings[key].Value = value;
|
||
config.Save(ConfigurationSaveMode.Modified);
|
||
ConfigurationManager.RefreshSection("appSettings");//刷新数据
|
||
}
|
||
else
|
||
{
|
||
Console.WriteLine("当前节点不存在!");
|
||
}
|
||
}
|
||
#endregion
|
||
|
||
|
||
#region 内存清理
|
||
/// <summary>
|
||
/// 设置线程工作的空间
|
||
/// </summary>
|
||
/// <param name="process">线程</param>
|
||
/// <param name="minSize">最小空间</param>
|
||
/// <param name="maxSize">最大空间</param>
|
||
/// <returns></returns>
|
||
[System.Runtime.InteropServices.DllImportAttribute("kernel32.dll", EntryPoint = "SetProcessWorkingSetSize", ExactSpelling = true, CharSet = System.Runtime.InteropServices.CharSet.Ansi, SetLastError = true)]
|
||
private static extern int SetProcessWorkingSetSize(IntPtr process, int minimumWorkingSetSize, int maximumWorkingSetSize);
|
||
|
||
|
||
public static void ClearMemory(object o)
|
||
{
|
||
GC.Collect();
|
||
GC.SuppressFinalize(o);
|
||
|
||
|
||
if (Environment.OSVersion.Platform == PlatformID.Win32NT)
|
||
{
|
||
SetProcessWorkingSetSize(System.Diagnostics.Process.GetCurrentProcess().Handle, -1, -1);
|
||
}
|
||
}
|
||
#endregion
|
||
|
||
|
||
public static float ConvertStringToTwoDecimalPlaces(string value)
|
||
{
|
||
try
|
||
{
|
||
return float.Parse(value, CultureInfo.CreateSpecificCulture("en-US"));
|
||
}
|
||
catch
|
||
{
|
||
// 处理转换失败的情况，例如value不是有效的两位小数字符串
|
||
return 0.0f;
|
||
}
|
||
}
|
||
|
||
|
||
/// <summary>
|
||
/// 获取当前设备的所有端口号
|
||
/// </summary>
|
||
/// <returns></returns>
|
||
public static string[] GetSerialPort()
|
||
{
|
||
string[] ports = null;
|
||
ports = System.IO.Ports.SerialPort.GetPortNames();
|
||
return ports;
|
||
}
|
||
|
||
|
||
/// <summary>
|
||
/// 比较两个byte数组是否相等
|
||
/// </summary>
|
||
/// <param name="array1"></param>
|
||
/// <param name="array2"></param>
|
||
/// <returns></returns>
|
||
public static bool CompareByte(byte[] array1, byte[] array2)
|
||
{
|
||
if (array1 == null || array2 == null)
|
||
return false;
|
||
|
||
return array1.SequenceEqual(array2);
|
||
}
|
||
|
||
|
||
#region 判断byte数组特定位置是否为1
|
||
public static bool IsBitSet(byte[] bytes, int position)
|
||
{
|
||
int arrayIndex = position / 8; // 计算byte数组的索引
|
||
int bitIndex = position % 8; // 计算位的索引（0-7）
|
||
|
||
// 确保索引没有超出数组范围
|
||
if (arrayIndex >= bytes.Length)
|
||
throw new IndexOutOfRangeException("Position is out of range of the byte array.");
|
||
|
||
byte b = bytes[arrayIndex];
|
||
// 使用位运算检查位是否为1
|
||
bool isSet = (b & (1 << bitIndex)) != 0;
|
||
return isSet;
|
||
}
|
||
#endregion
|
||
|
||
|
||
#region 十六进制数组转二进制数组
|
||
public static byte[] ConvertHexToBinary(byte[] hexArray)
|
||
{
|
||
byte[] binaryArray = new byte[hexArray.Length * 8];
|
||
for (int i = 0; i < hexArray.Length; i++)
|
||
{
|
||
string binaryString = Convert.ToString(hexArray[i], 2);
|
||
// 补充到8位，以确保每个byte都是8位
|
||
binaryString = binaryString.PadLeft(8, '0');
|
||
// 将二进制字符串转换为byte数组
|
||
for (int j = 0; j < 8; j++)
|
||
{
|
||
binaryArray[i * 8 + j] = Convert.ToByte(binaryString[j] - '0');
|
||
}
|
||
}
|
||
return binaryArray;
|
||
}
|
||
#endregion
|
||
|
||
|
||
#region IntToByte[4]
|
||
/// <summary>
|
||
/// int转化为byte[4]
|
||
/// </summary>
|
||
/// <param name="value"></param>
|
||
/// <returns></returns>
|
||
public static byte[] IntToBytes(int value)
|
||
{
|
||
byte[] src = new byte[4];
|
||
src[0] = (byte)((value >> 24) & 0xFF);
|
||
src[1] = (byte)((value >> 16) & 0xFF);
|
||
src[2] = (byte)((value >> 8) & 0xFF);//高8位
|
||
src[3] = (byte)(value & 0xFF);//低位
|
||
return src;
|
||
}
|
||
#endregion
|
||
|
||
|
||
#region byte数组按长度在前面补0
|
||
/// <summary>
|
||
/// byte数组按长度在前面补0
|
||
/// </summary>
|
||
/// <param name="array"></param>
|
||
/// <param name="targetLength"></param>
|
||
/// <returns></returns>
|
||
/// <exception cref="ArgumentNullException"></exception>
|
||
/// <exception cref="ArgumentOutOfRangeException"></exception>
|
||
public static byte[] PadArrayWithZeros(byte[] array, int targetLength)
|
||
{
|
||
if (array == null)
|
||
throw new ArgumentNullException(nameof(array));
|
||
if (targetLength <= 0)
|
||
throw new ArgumentOutOfRangeException(nameof(targetLength), "Target length must be a positive integer.");
|
||
if (targetLength <= array.Length)
|
||
return array; // No need to pad
|
||
|
||
byte[] paddedArray = new byte[targetLength];
|
||
Array.Copy(array, 0, paddedArray, targetLength - array.Length, array.Length);
|
||
return paddedArray;
|
||
}
|
||
#endregion
|
||
|
||
|
||
public static byte[] DecimalToTwoByteArray(int decimalValue)
|
||
{
|
||
if (decimalValue < 0 || decimalValue > 65535)
|
||
{
|
||
throw new ArgumentOutOfRangeException(nameof(decimalValue), "Decimal value must be in the range of 0 to 65535.");
|
||
}
|
||
byte[] result = new byte[2];
|
||
result[0] = (byte)(decimalValue >> 8);
|
||
result[1] = (byte)(decimalValue & 0xFF);
|
||
return result;
|
||
}
|
||
|
||
}
|
||
}
|