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using System.Text;
using Service.Init;
namespace Service.Charger.Common;
public static class ChargerUtils
{
#region 随机数
/// <summary>
/// 循环时用的随机数值
/// </summary>
private static UInt16 _cysSeqNum = 0;
/// <summary>
/// 鉴权随时数
/// </summary>
private static byte _randomNum = 10;
/// <summary>
/// 计算循环用UInt16随机数值
/// </summary>
/// <returns></returns>
public static UInt16 GetUInt16SeqNum()
{
if (_cysSeqNum < 65535)
{
_cysSeqNum += 1;
}
else
{
_cysSeqNum = 1;
}
return _cysSeqNum;
}
/// <summary>
/// 计算Byte随机数值
/// </summary>
/// <returns></returns>
public static byte GetByteRandomNum()
{
if (_randomNum < 255)
{
_randomNum += 1;
}
else
{
_randomNum = 1;
}
return _randomNum;
}
public static string GenChargeOrderSn()
{
return StaticStationInfo.StationNo + DateTime.Now.ToString(ChargerConst.DateFormat) +
GetRandomNumLimit99();
}
public static string GenChargeOrderNo(string chargerSn)
{
return StaticStationInfo.StationNo +chargerSn + DateTime.Now.ToString(ChargerConst.yyyyMMddHHmmss) +
GetRandomNumLimit99();
}
/// <summary>
/// 根据云平台下发,计算本地充电机枪号
/// </summary>
/// <param name="number"></param>
/// <returns></returns>
/// <exception cref="ArgumentException"></exception>
public static byte GetTheGun(string number)
{
int parsedNumber;
if (int.TryParse(number, out parsedNumber))
{
if (parsedNumber % 2 == 0)
{
return 2;
}
else
{
return 1;
}
}
else
{
throw new ArgumentException("转换失败");
}
}
public static string GetOutChargerCode(string number)
{
int parsedNumber;
if (int.TryParse(number, out parsedNumber))
{
// 除2,向上取整,拿到本地充电机code
int ceilResult = (int)Math.Ceiling(parsedNumber / 2.0);
return "C200" + ceilResult.ToString();
}
else
{
throw new ArgumentException("转换失败");
}
}
/// <summary>
/// 计算Byte随机数值
/// </summary>
/// <returns></returns>
public static byte GetRandomNumLimit99()
{
if (_randomNum < 99)
{
_randomNum += 1;
}
else
{
_randomNum = 10;
}
return _randomNum;
}
#endregion 随机数
// <summary>
// 获取到异或后的鉴权字节数组
// </summary>
// <param name="strAuthCodes">鉴权字符串</param>
// <returns>异或后的鉴权字节数组</returns>
public static byte[] GetAuthCodesResult(string strAuthCodes, byte key)
{
byte[] results = new byte[8];
if (!String.IsNullOrEmpty(strAuthCodes))
{
byte[] authCodes = Encoding.ASCII.GetBytes(strAuthCodes);
results[0] = Convert.ToByte(authCodes[0] ^ key);
results[1] = Convert.ToByte(authCodes[1] ^ key);
results[2] = Convert.ToByte(authCodes[2] ^ key);
results[3] = Convert.ToByte(authCodes[3] ^ key);
results[4] = Convert.ToByte(authCodes[4] ^ key);
results[5] = Convert.ToByte(authCodes[5] ^ key);
results[6] = Convert.ToByte(authCodes[6] ^ key);
results[7] = Convert.ToByte(authCodes[7] ^ key);
}
return results;
}
}