/// <summary>
/// 获取随机字符串
/// </summary>
/// <param name="strLength">字符串长度</param>
/// <param name="Seed">随机函数种子值</param>
/// <returns>指定长度的随机字符串</returns>
public static string RndString( int strLength, params int[] Seed )
{
string strSep = ",";
char[] chrSep = strSep.ToCharArray();
//因1与l不容易分清楚，所以去除
string strChar = "2,3,4,5,6,7,8,9,a,b,c,d,e,f,g,h,j,k,m,n,p,q,r,s,t,u,v,w,x,y,z"
+ ",A,B,C,D,E,F,G,H,J,K,L,M,N,P,Q,R,S,T,U,W,X,Y,Z";
string[] aryChar= strChar.Split( chrSep, strChar.Length );
string strRandom = string.Empty;
Random Rnd;
if( Seed != null && Seed.Length > 0 )
{
Rnd = new Random( Seed[0] );
}
else
{
Rnd = new Random();
}
//生成随机字符串
for( int i=0; i < strLength; i++ )
{
strRandom += aryChar[Rnd.Next( aryChar.Length )];
}
return strRandom;
} 
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