/// <summary>
/// 获得四位的随机数
/// </summary>
/// <returns></returns>
public string Randomnum()
{
Random ro = new Random();
int iResult;
int iUp = 999;
int iDown = 10;
iResult = ro.Next(iDown, iUp);
return iResult.ToString().Trim();
}
原标题:获得四位的随机数
关键词:随机