全文可编辑 word 文档 页眉与背景水印可删除
5
Int32.MaxValue);
}
//抽取随机数字
for (int i = 0; i < length; i++)
{
string numStr =
randMembers[i].ToString();
int numLength = numStr.Length;
Random rand = new Random();
int numPosition = rand.Next(0, numLength
- 1);
validateNums[i] =
Int32.Parse(numStr.Substring(numPosition, 1));
}
//生成验证码
for (int i = 0; i < length; i++)
{
validateNumberStr +=
validateNums[i].ToString();
}
return validateNumberStr;
}
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