生成指定位數的隨機數
阿新 • • 發佈：2019-02-01
publicstaticstring RandCode(int n)
{
char[] arrChar =newchar[]{
'0','1','2','3','4','5','6','7','8','9',
'A','B','C','D','E','F','G','H','I','J','K','L','M','N','P','Q','R','S','T','U','V','W','X','Y','Z'
};
StringBuilder num =new StringBuilder();
Random rnd
for (int i =0; i < n; i++)
{
num.Append(arrChar[rnd.Next(0, arrChar.Length)].ToString());
}
return num.ToString();
}
{
char[] arrChar =newchar[]{
'0','1','2','3','4','5','6','7','8','9',
'A','B','C','D','E','F','G','H','I','J','K','L','M','N','P','Q','R','S','T','U','V','W','X','Y','Z'
};
StringBuilder num =new StringBuilder();
Random rnd
for (int i =0; i < n; i++)
{
num.Append(arrChar[rnd.Next(0, arrChar.Length)].ToString());
}
return num.ToString();
}