如何在C#中生成一个随机的10位数字? [英] How to generate a random 10 digit number in C#?
问题描述
我正在使用C#,我需要生成一个随机的10位数字。到目前为止,我只有运气才能找到表明最小最大值的示例。我将如何生成一个10位数的随机数,该数字可以以0开头(最初,我希望使用 random.Next(1000000000,9999999999)
,但我
I'm using C# and I need to generate a random 10 digit number. So far, I've only had luck finding examples indicating min maximum value. How would i go about generating a random number that is 10 digits, which can begin with 0, (initially, I was hoping for random.Next(1000000000,9999999999)
but I doubt this is what I want).
我的代码现在看起来像这样:
My code looks like this right now:
[WebMethod]
public string GenerateNumber()
{
Random random = new Random();
return random.Next(?);
}
**更新最终是这样做的,
**Update ended up doing like so,
[WebMethod]
public string GenerateNumber()
{
Random random = new Random();
string r = "";
int i;
for (i = 1; i < 11; i++)
{
r += random.Next(0, 9).ToString();
}
return r;
}
推荐答案
如果要十位数,但您允许以0开始,那么听起来您想生成一个字符串,而不是一个长整数。
If you want ten digits but you allow beginning with a 0 then it sounds like you want to generate a string, not a long integer.
生成一个10个字符的字符串其中每个字符都是从'0'..'9'中随机选择的。
Generate a 10-character string in which each character is randomly selected from '0'..'9'.
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