using System;
namespace GetSysID
{
/// <summary>
/// SysID 的摘要说明。
/// </summary>
public class GetSysID
{
public GetSysID()
{
//
// TODO: 在此处添加构造函数逻辑
//
}
public string sysid()
{
string sysID,LC,LC1,ss;
string year,day,hour,minute,sec,msec;
year = System.DateTime.Now.Year.ToString();
day = System.DateTime.Now.DayOfYear.ToString();
hour = System.DateTime.Now.Hour.ToString();
minute = DateTime.Now.Minute.ToString();
sec = DateTime.Now.Second.ToString();
msec = DateTime.Now.Millisecond.ToString();
if (year.Length == 4)
{
year = year.Substring(2,2);
}
LC1 = "";
LC1 = LC1 + ChangStr(true,year,"0",2);
LC1 = LC1 + ChangStr(true,day,"0",3);
LC1 = LC1 + ChangStr(true,hour,"0",2);
LC1 = LC1 + ChangStr(true,sec,"0",2);
long t;
t = Convert.ToInt64(LC1);
LC1 = "";
LC1 = IntToHex(t,8);
ss = ChangStr(true,sec,"0",2);
t = Convert.ToInt64(ss);
LC1 = LC1 + IntToHex(t,2);
LC1 = LC1 + IntToHex(Convert.ToInt64(msec),3);
//64进制
ss = System.Guid.NewGuid().ToString();
LC = ss.Substring(0,8);
LC = CheckID(LC);
LC1 = LC1 + ChangStr(true,LC,"0",8);
ss = "";
ss = LC1.Substring(1,8);
sysID = HexTo36(ss,6);
ss= LC1.Substring(8,13);
sysID = sysID + HexTo36(ss,10);
return sysID;
}
//转换为十六进制数据
private string IntToHex(long num,int len)
{
string lcHexStr,strHex;
lcHexStr = "0123456789ABCDEF";
int lMod,len1;
lMod = 0;
strHex = "";
while (num > 0)
{
lMod = (int)(num % 16);
num = num / 16;
strHex = lcHexStr.Substring(lMod ,1) + strHex;
}
len1 = strHex.Length;
if (len1 < len )
strHex = ChangStr(true,strHex,"0",len);
return strHex;
}
//改变字符串的到指定的长度
private string ChangStr(bool bISF,string strHex,string subStr,int @len)
{
int len1;
len1 = len - strHex.Length;
for (int i = 0; i < len1; i++)
{
if (bISF == true)
strHex = subStr + strHex;
else
strHex = strHex + subStr;
}
return strHex;
}
//检查字符串
private string CheckID(string str)
{
string outStr;
char charStr;
int len;
outStr = "";
str = str.ToUpper();
len = str.Length;
for (int i =0; i < len; i++ )
{
charStr = str[i];
if ((((int)charStr >= 48 ) && ((int)charStr <= 59)) || (((int)charStr >= 65 ) && ((int)charStr <= 70)))
{
outStr = outStr + charStr;
}
else
outStr = outStr + IntToHex((int)charStr,0);
}
if (outStr.Length > 8)
outStr = outStr.Substring(0,8);
return outStr;
}
//转换成36进制
private string HexTo36(string strHex,int len)
{
string str62,lc62Str;
lc62Str = "0123456789" + "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
str62 = "";
int lMod = 0;
long num1 = 0;
//转换成十进制
long lnsHex = 1;
strHex = strHex.ToUpper();
int len1;
len1 = strHex.Length ;
while (len1 > 0)
{
char ss;
ss = strHex[(len1 -1)];
num1 = num1 + (lc62Str.IndexOf(ss) ) * lnsHex;
if (len1 == 1)
lnsHex = 16;
else
lnsHex = lnsHex * 16;
len1 --;
//listBox1.Items.Add(num1.ToString());
}
//MessageBox.Show(num1.ToString());
//转换成36进制
str62 ="";
while (num1 > 0)
{
lMod = (int)(num1 % 36);
num1 = num1 / 36;
str62 = lc62Str.Substring(lMod ,1) + str62;
}
len1 = str62.Length;
if (len1 < len)
{
str62 = ChangStr(true,str62,"0",len);
}
return str62;
}
}
}
