C# 生成随机密码(随机字符串)的代码

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 private static int getNewSeed()
 {
     byte[] rndBytes = new byte[4];
     System.Security.Cryptography.RNGCryptoServiceProvider rng = new System.Security.Cryptography.RNGCryptoServiceProvider();
     rng.GetBytes(rndBytes);
    return BitConverter.ToInt32(rndBytes, 0);
static public string GetRandomString(int len)
{
    string s = "123456789abcdefghijklmnpqrstuvwxyzABCDEFGHIJKLMNPQRSTUVWXYZ";
    string reValue = string.Empty;
    Random rnd = new Random(getNewSeed());
    while (reValue.Length < len)
    {
        string s1 = s[rnd.Next(0, s.Length)].ToString();
        if (reValue.IndexOf(s1) == -1) reValue += s1;
    }
   return reValue;
}

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转载自blog.51cto.com/14149868/2375192