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初始化

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2025-11-21 08:48:01 +08:00
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using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;
using System.IO;
using System.Linq;
using System.Net;
using System.Reflection;
using System.Text;
using System.Security.Cryptography;
using System.Web;
using System.ComponentModel;
using System.Text.RegularExpressions;
namespace CommonTools
{
public static class Tools
{
/// <summary>
/// 获取本地IP地址
/// </summary>
/// <returns></returns>
public static string GetLocalIP()
{
string localIp = "";
IPAddress[] addressList = Dns.GetHostAddresses(Dns.GetHostName());//会返回所有地址，包括IPv4和IPv6
foreach (IPAddress ip in addressList)
{
if (ip.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork)
{
localIp = ip.ToString();
break;
}
}
return localIp;
}
/// <summary>
/// 将主机名或 IP 地址解析IP地址
/// </summary>
/// <param name="domain"></param>
/// <returns></returns>
public static IPAddress GetIPByDomain(string hostNameOrAddress)
{
IPHostEntry host = Dns.GetHostEntry(hostNameOrAddress);
return host.AddressList[0];
}
/// <summary>
/// 获取本地IP地址列表
/// </summary>
/// <returns></returns>
public static IList<string> GetLocalIPList()
{
IList<string> localIpList = new List<string>();
IPAddress[] addressList = Dns.GetHostAddresses(Dns.GetHostName());//会返回所有地址，包括IPv4和IPv6
foreach (IPAddress ip in addressList)
{
if (ip.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork)
{
localIpList.Add(ip.ToString());
}
}
return localIpList;
}
public static string GetApplicationPath()
{
return AppDomain.CurrentDomain.SetupInformation.ApplicationBase;
}
/// <summary>
/// 获取记录访问量文件路径
/// </summary>
/// <returns></returns>
public static string GetCounterFilePath()
{
return GetApplicationPath() + @"License\counter.txt";
}
/// <summary>
/// 生成CRC16校验
/// </summary>
/// <param name="buffer"></param>
/// <param name="len"></param>
/// <returns></returns>
public static ushort CRC16(byte[] buffer, int len)
{
uint xda, xdapoly;
byte xdabit;
xda = 0xFFFF;
xdapoly = 0xA001; // (X**16 + X**15 + X**2 + 1)
for (int i = 0; i < len; i++)
{
xda ^= buffer[i];
for (int j = 0; j < 8; j++)
{
xdabit = (byte)(xda & 0x01);
xda >>= 1;
if (xdabit == 1)
{
xda ^= xdapoly;
}
}
}
return Convert.ToUInt16(xda & 0xffff);
}
/// <summary>
/// 计算文件的MD5值
/// </summary>
/// <param name="file"></param>
/// <returns></returns>
public static byte[] MD5(string file)
{
using (Stream stream = File.Open(file, FileMode.Open))
{
return MD5(stream);
}
}
/// <summary>
/// 计算流的MD5值
/// </summary>
/// <param name="stream"></param>
/// <returns></returns>
public static byte[] MD5(Stream stream)
{
using (MD5 md5 = new MD5CryptoServiceProvider())
{
return md5.ComputeHash(stream);
}
}
/// <summary>
/// 计算文件MD5
/// </summary>
/// <param name="stream"></param>
/// <returns></returns>
public static string ComputeFileHash(Stream stream)
{
byte[] retVal = Tools.MD5(stream);
StringBuilder sb = new StringBuilder();
for (int i = 0; i < retVal.Length; i++)
{
sb.Append(retVal[i].ToString("x2"));
}
return sb.ToString();
}
/// <summary>
/// 将MD5字符串转换成整型数组表示
/// </summary>
/// <param name="md5"></param>
/// <returns></returns>
public static uint[] MD5StringToUIntArray(string md5)
{
if (String.IsNullOrWhiteSpace(md5))
{
throw new ArgumentException("参数不能为空。", "md5");
}
try
{
uint[] md5Arr = new uint[4] { 0, 0, 0, 0 };
md5Arr[0] = Convert.ToUInt32(md5.Substring(0, 8), 16);
md5Arr[1] = Convert.ToUInt32(md5.Substring(8, 8), 16);
md5Arr[2] = Convert.ToUInt32(md5.Substring(16, 8), 16);
md5Arr[3] = Convert.ToUInt32(md5.Substring(24, 8), 16);
return md5Arr;
}
catch (Exception ex)
{
throw new ApplicationException("转换MD5出错。", ex);
}
}
/// <summary>
/// 用MD5加密字符串
/// </summary>
/// <param name="str">待加密的字符串</param>
/// <returns></returns>
public static string MD5Encrypt(string str)
{
MD5CryptoServiceProvider md5Hasher = new MD5CryptoServiceProvider();
byte[] hashedDataBytes;
hashedDataBytes = md5Hasher.ComputeHash(Encoding.UTF8.GetBytes(str));
StringBuilder tmp = new StringBuilder();
foreach (byte i in hashedDataBytes)
{
tmp.Append(i.ToString("x2"));
}
return tmp.ToString();
}
/// <summary>
/// 获取指定长的的字符串对应的16进制字节码，如果长度不够，末位自动补0
/// </summary>
/// <param name="s"></param>
/// <param name="length"></param>
/// <returns></returns>
public static byte[] GetBytes(String str, int length)
{
byte[] s = System.Text.Encoding.GetEncoding("gb2312").GetBytes(str);
int fixLength = length - s.Length;
if (s.Length < length)
{
byte[] S_bytes = new byte[length];
Array.Copy(s, 0, S_bytes, 0, s.Length);
for (int x = length - fixLength; x < length; x++)
{
S_bytes[x] = 0x00;
}
return S_bytes;
}
return s;
}
/// <summary>
/// 获取一个随机数组
/// </summary>
/// <param name="num">数组个数</param>
/// <param name="minValue"></param>
/// <param name="maxValue"></param>
/// <returns></returns>
public static int[] GetRandomNum(int num, int minValue, int maxValue)
{
Random ra = new Random(unchecked((int)DateTime.Now.Ticks));
int[] arrNum = new int[num];
int tmp = 0;
for (int i = 0; i <= num - 1; i++)
{
tmp = ra.Next(minValue, maxValue); //随机取数
arrNum[i] = tmp;
}
return arrNum;
}
/// <summary>
/// 解决下载名称在IE下中文乱码
/// </summary>
/// <param name="s"></param>
/// <returns></returns>
public static String ToUtf8String(String s)
{
StringBuilder sb = new StringBuilder();
for (int i = 0; i < s.Length; i++)
{
char c = s[i];
if (c >= 0 && c <= 255)
{
sb.Append(c);
}
else
{
byte[] b;
try
{
b = Encoding.UTF8.GetBytes(c.ToString());
}
catch (Exception)
{
b = new byte[0];
}
for (int j = 0; j < b.Length; j++)
{
int k = b[j];
if (k < 0) k += 256;
sb.Append("%" + Convert.ToString(k, 16).ToUpper());
}
}
}
return sb.ToString();
}
/// <summary>
/// 字节内容转换为字符串
/// </summary>
/// <param name="bytesData"></param>
/// <returns></returns>
public static string ByteToString(byte[] bytesData)
{
StringBuilder result = new StringBuilder();
foreach (byte r in bytesData)
{
result.Append(r.ToString("X2") + " ");
}
return result.ToString();
}
/// <summary>
/// 把int32类型的数据转存到2个字节的byte数组中
/// </summary>
/// <param name="m">int32类型的数据</param>
/// <param name="arry">2个字节大小的byte数组</param>
/// <returns></returns>
public static byte[] Int32ToByte(Int32 data)
{
byte[] arry = new byte[2];
arry[0] = (byte)((data & 0xFF00) >> 8);
arry[1] = (byte)(data & 0xFF);
return arry;
}
/// <summary>
/// 把int32类型的数据转存到2个字节的byte数组中：小端
/// </summary>
/// <param name="data"></param>
/// <returns></returns>
public static byte[] Int32ToByte2(Int32 data)
{
byte[] arry = new byte[2];
arry[0] = (byte)(data & 0xFF);
arry[1] = (byte)((data & 0xFF00) >> 8);
//arry[2] = (byte)((data & 0xFF0000) >> 16);
//arry[3] = (byte)((data >> 24) & 0xFF);
return arry;
}
/// <summary>
/// 2位byte转换为int类型
/// </summary>
/// <param name="data"></param>
/// <returns></returns>
public static int ByteToInt(byte[] data)
{
return (data[1] & 0xFF) << 8 | data[0];
}
/// <summary>
/// 4位byte转换为long类型
/// </summary>
/// <param name="data"></param>
/// <returns></returns>
public static long Byte4ToLong(byte[] data)
{
return (data[3] << 24) & 0xFF | (data[2] & 0xFF00) << 16 | (data[1] & 0xFF) << 8 | data[0];
}
/// <summary>
/// long类型转换为4位byte
/// </summary>
/// <param name="data"></param>
/// <returns></returns>
public static byte[] LongToByte4(long data)
{
byte[] arry = new byte[4];
arry[0] = (byte)(data & 0xFF);
arry[1] = (byte)((data & 0xFF00) >> 8);
arry[2] = (byte)((data & 0xFF0000) >> 16);
arry[3] = (byte)((data >> 24) & 0xFF);
return arry;
}
/// <summary>
/// 在指定时间过后执行指定的表达式
/// </summary>
/// <param name="interval">事件之间经过的时间（以毫秒为单位）</param>
/// <param name="action">要执行的表达式</param>
public static void SetTimeout(double interval, Action action)
{
System.Timers.Timer timer = new System.Timers.Timer(interval);
timer.Elapsed += delegate (object sender, System.Timers.ElapsedEventArgs e)
{
timer.Enabled = false;
action();
};
timer.Enabled = true;
}
/// <summary>
/// 得到字符串的长度，一个汉字算2个字符
/// </summary>
/// <param name="str">字符串</param>
/// <returns>返回字符串长度</returns>
public static int GetLength(string str)
{
if (str.Length == 0) return 0;
ASCIIEncoding ascii = new ASCIIEncoding();
int tempLen = 0;
byte[] s = ascii.GetBytes(str);
for (int i = 0; i < s.Length; i++)
{
if ((int)s[i] == 63)
{
tempLen += 2;
}
else
{
tempLen += 1;
}
}
return tempLen;
}
/// <summary>
/// 获取枚举描述
/// </summary>
/// <param name="en">枚举</param>
/// <returns>返回枚举的描述 </returns>
public static string GetDescription(Enum en)
{
Type type = en.GetType();//获取类型
MemberInfo[] memberInfos = type.GetMember(en.ToString()); //获取成员
if (memberInfos != null && memberInfos.Length > 0)
{
DescriptionAttribute[] attrs = memberInfos[0].GetCustomAttributes(typeof(DescriptionAttribute), false) as DescriptionAttribute[]; //获取描述特性
if (attrs != null && attrs.Length > 0)
{
return attrs[0].Description; //返回当前描述
}
}
return en.ToString();
}
/// <summary>
/// stream to reader
/// </summary>
/// <param name="stream"></param>
/// <returns></returns>
public static string StreamToString(Stream stream)
{
stream.Position = 0;
using (StreamReader reader = new StreamReader(stream, Encoding.UTF8))
{
return reader.ReadToEnd();
}
}
/// <summary>
/// HEX编码转换为——>ASCII编码
/// </summary>
/// <param name="Msg"></param>
/// <returns></returns>
public static string HexToASCII(string Msg)
{
byte[] buff = new byte[Msg.Length / 2];
string Message = "";
for (int i = 0; i < buff.Length; i++)
{
buff[i] = byte.Parse(Msg.Substring(i * 2, 2), System.Globalization.NumberStyles.HexNumber);
}
System.Text.Encoding chs = System.Text.Encoding.ASCII;
Message = chs.GetString(buff);
return Message;
}
/// <summary>
/// HEX编码转换为——>字符串
/// </summary>
/// <param name="Msg"></param>
/// <returns></returns>
public static string HexToStr(string Msg)
{
byte[] buff = new byte[Msg.Length / 2];
string Message = "";
for (int i = 0; i < buff.Length; i++)
{
buff[i] = byte.Parse(Msg.Substring(i * 2, 2), System.Globalization.NumberStyles.HexNumber);
}
System.Text.Encoding chs = System.Text.Encoding.GetEncoding("gb2312");
Message = chs.GetString(buff);
return Message;
}
/// <summary>
/// 字符串转化为——>HEX编码
/// </summary>
/// <param name="Msg"></param>
/// <returns></returns>
public static string StrToHex(string Msg)
{
byte[] bytes = System.Text.Encoding.Default.GetBytes(Msg);//转换为字节（十进制）
string str = "";
for (int i = 0; i < bytes.Length; i++)
{
str += string.Format("{0:X}", bytes[i]); //转换为十六进制
}
return str;
}
/// <summary>
/// Hex文件解释
/// </summary>
/// <param name="filepath"></param>
public static void HexFileRead(string filepath)//从指定文件目录读取HEX文件并解析，放入缓存数组buffer中
{
string szLine;
int startAdr;
int endAdr = 0; //用于判断hex地址是否连续，不连续补充0xFF
byte[] buffer = new byte[1024 * 1024 * 5]; // 打开文件hex to bin缓存
int bufferAdr = 0;// 打开文件hex to bin缓存指针，用于计算bin的长度
if (filepath == "")
{
return;
}
FileStream fsRead = new FileStream(filepath, FileMode.OpenOrCreate, FileAccess.Read);
StreamReader HexReader = new StreamReader(fsRead); //读取数据流
while (true)
{
szLine = HexReader.ReadLine(); //读取Hex中一行
if (szLine == null) { break; } //读取完毕，退出
if (szLine.Substring(0, 1) == ":") //判断首字符是”:”
{
if (szLine.Substring(1, 8) == "00000001") { break; } //文件结束标识
if ((szLine.Substring(8, 1) == "0") || (szLine.Substring(8, 1) == "1"))//直接解析数据类型标识为 : 00 和 01 的格式
{
int lineLenth;
string hexString;
hexString = szLine.Substring(1, 2);
lineLenth = Int32.Parse(hexString, System.Globalization.NumberStyles.HexNumber); // 获取一行的数据个数值
hexString = szLine.Substring(3, 4);
startAdr = Int32.Parse(hexString, System.Globalization.NumberStyles.HexNumber); // 获取地址值
for (int i = 0; i < startAdr - endAdr; i++) // 补空位置
{
hexString = "FF";
byte value = byte.Parse(hexString, System.Globalization.NumberStyles.HexNumber);
buffer[bufferAdr] = value;
bufferAdr++;
}
for (int i = 0; i < lineLenth; i++) // hex转换为byte
{
hexString = szLine.Substring(i * 2 + 9, 2);
byte value = byte.Parse(hexString, System.Globalization.NumberStyles.HexNumber);
buffer[bufferAdr] = value;
bufferAdr++;
}
endAdr = startAdr + lineLenth;
}
}
}
}
/// <summary>
/// 将url参数转成json
/// </summary>
/// <param name="urlParams"></param>
/// <returns></returns>
public static string UrlParamsToJson(string urlParams)
{
var nameValueCollection = HttpUtility.ParseQueryString(urlParams);
var json = Newtonsoft.Json.JsonConvert.SerializeObject(nameValueCollection.AllKeys.ToDictionary(k => k, k => nameValueCollection[k]));
return json;
}
//public static string GetUrl(string url)
//{
// ComputeSignature();
// return "http://"+ url + "/?" +
// string.Join("&", _parameters.Select(x => x.Key + "=" + HttpUtility.UrlEncode(x.Value)));
//}
public static long GetCurrentTimeStamp(DateTime dt)
{
TimeSpan ts = dt - new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Local);
long current_timestamp = Convert.ToInt64(ts.TotalSeconds);
return current_timestamp;
}
public static DateTime GetCurrentDateTime(long timestampMilliseconds)
{
DateTime epoch = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Local);
DateTime utcTime = epoch.AddSeconds(timestampMilliseconds);
return utcTime;
}
/// <summary>
/// 格林尼治时间
/// </summary>
/// <returns></returns>
public static long GetUnixTime()
{
DateTime unixEpoch = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
long unixTimestampMillisecondsManual = (long)(DateTime.UtcNow - unixEpoch).TotalSeconds;
return unixTimestampMillisecondsManual;
}
public static DateTime GetTimeFromUnixTime(long timestampSeconds)
{
// Unix 时间戳的起始时间（1970-01-01 00:00:00 UTC）
DateTime unixEpoch = new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc);
// 加上 Unix 时间戳的秒数
return unixEpoch.AddSeconds(timestampSeconds);
}
public static byte CombineBitsToByte(bool bit0, bool bit1, bool bit2, bool bit3)
{
byte result = (byte)((bit0 ? 1 : 0) << 3); // 将bit0移到第4位（高位）
result |= (byte)((bit1 ? 1 : 0) << 2); // 将bit1移到第3位
result |= (byte)((bit2 ? 1 : 0) << 1); // 将bit2移到第2位
result |= (byte)(bit3 ? 1 : 0); // 将bit3移到第1位（低位）
return result;
}
/// <summary>
/// 16进制字符串转换成 字节数组
/// </summary>
/// <param name="hexString"></param>
/// <returns></returns>
public static byte[] GetBytesFromString(string hexString)
{
hexString = DeleteSpaceChar(hexString);
byte[] bytes = new byte[hexString.Length / 2]; // 计算字节数组的长度
for (int i = 0; i < bytes.Length; i++)
{
bytes[i] = Convert.ToByte(hexString.Substring(i * 2, 2), 16); // 每次取两个字符转换为字节
}
return bytes;
}
public static string DeleteSpaceChar(string originalString)
{
string result = Regex.Replace(originalString, @"\s", "");
return result;
}
public static short HostNumberToHotelCode(string wer)
{
var v1 = wer.Substring(0, 3);
var v2 = wer.Substring(3, 3);
byte b12 = byte.Parse(v1);
byte b13 = byte.Parse(v2);
byte[] vva1 = new byte[] { b12, b13 };
var usa = BitConverter.ToInt16(vva1, 0);
return usa;
}
}
}