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/// <summary>
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/// 建立随機字元串
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/// </summary>
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/// <param name="codeCount">随機數的位數</param>
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/// <returns></returns>
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public static string CreateRandomCode_Len54(int codeCount)
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{
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string allChar = "1,A,2,S,3,D,4,F,5,G,6,H,7,J,8,K,9,L,8,M,7,N,6,B,5,V,4,C,3,X,2,Z,1,P,9,Q,8,Z,7,W,6,I,5,E,4,U,3,R,2,Y,1,T,E,X,G,Q";
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string[] allCharArray = allChar.Split(',');
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string randomCode = "";
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int temp = -1;
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Random rand = new Random();
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for(int i = 0; i < codeCount; i++)
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{
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if(temp != -1)
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{
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rand = new Random(i*temp*((int)DateTime.Now.Ticks));
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}
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int t = rand.Next(54);
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if(temp == t)
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return CreateRandomCode_Len54(codeCount);
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temp = t;
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randomCode += allCharArray[t];
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}
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return randomCode;
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}
本文轉自高海東部落格園部落格，原文連結：http://www.cnblogs.com/ghd258/archive/2005/11/07/270438.html，如需轉載請自行聯系原作者