/// <summary>
/// 组合后缀生成唯一ID
/// </summary>
/// <param name="uctTimeNow">时间</param>
/// <param name="suffix">后缀只能是由26个字母加数字组成</param>
/// <param name="fixLen">固定长度</param>
/// <returns></returns>
public static string MakeTradeNo(DateTime UctTimeNow, string suffix, int fixLen)
{
Thread.Sleep(1);
if (fixLen < 17)
{
fixLen = 17;
}
string text = UctTimeNow.ToString("yyMMddHHmmssfffff");
string str = string.Empty;
if (!string.IsNullOrEmpty(suffix))
{
suffix = RegExMatch.RegexReplace(suffix, "[^A-Za-z0-9]+", "", true);
try
{
str = AnyRadixConvert.AryConvert(suffix, 36, 10);
}
catch
{
str = string.Empty;
}
}
text += str;
int length = text.Length;
if (length > fixLen) //大于指定的长度
{
return(text.Substring(0, fixLen));
}
else if (length < fixLen) //小于指定的长度
{
text = string.Format("{0}{1}", text, AnyRadixConvert.GetRandomNum(fixLen - length));
}
return(text);
}
/// <summary>
/// 将指定基数的数字的 System.String 表示形式转换为等效的 64 位有符号整数。
/// </summary>
/// <param name="value">包含数字的 System.String。</param>
/// <param name="fromBase">value 中数字的基数，它必须是[2,36]</param>
/// <returns>等效于 value 中的数字的 64 位有符号整数。- 或 - 如果 value 为 null，则为零。</returns>
private static long StringToLong(string value, int fromBase)
{
value = value != null?value.Trim() : null;
if (string.IsNullOrEmpty(value))
{
return(0L);
}
string text = new string(m_rDigits, 0, fromBase);
long num = 0L;
value = value.ToUpper();
for (int i = 0; i < value.Length; i++)
{
if (!text.Contains(value[i].ToString()))
{
throw new ArgumentException(string.Format("The argument \"{0}\" is not in {1} system.", value[i], fromBase));
}
try
{
num += (long)Math.Pow((double)fromBase, (double)i) * (long)AnyRadixConvert.GetCharIndex(AnyRadixConvert.m_rDigits, value[value.Length - i - 1]);
}
catch
{
throw new OverflowException("运算溢出.");
}
}
return(num);
}
/// <summary>
/// 生成基础资料ID
/// </summary>
/// <param name="uctTimeNow">时间</param>
/// <param name="suffix">后缀只能是由26个字母加数字组成</param>
/// <param name="fixLen">固定长度</param>
/// <returns></returns>
public static string MakeBaseDataId(DateTime uctTimeNow, string suffix, int fixLen)
{
Thread.Sleep(1);
string text = string.Format("{0}{1}", uctTimeNow.Ticks.ToString(), suffix);
int length = text.Length;
if (length > fixLen) //大于指定的长度
{
text = text.Substring(0, fixLen);
}
else if (length < fixLen) //小于指定的长度
{
text = string.Format("{0}{1}", text, AnyRadixConvert.GetRandomNum(fixLen - length));
}
return(text);
}
/// <summary>
/// 任意进制转换,将fromBase进制表示的value转换为toBase进制
/// </summary>
/// <param name="value"></param>
/// <param name="fromBase">原来进制（2-36进制）</param>
/// <param name="toBase">转换后的进制（2-36进制）</param>
/// <returns></returns>
public static string AryConvert(string value, int fromBase, int toBase)
{
if (string.IsNullOrEmpty(value.Trim()))
{
return(string.Empty);
}
if (fromBase < 2 || fromBase > 36)
{
throw new ArgumentException(string.Format("The fromBase radix \"{0}\" is not in the range 2..36.", fromBase));
}
if (toBase < 2 || toBase > 36)
{
throw new ArgumentException(string.Format("The toBase radix \"{0}\" is not in the range 2..36.", toBase));
}
return(AnyRadixConvert.LongToString(AnyRadixConvert.StringToLong(value, fromBase), toBase));
}
