C#生成随机数或随即字母完整类
public class Rand
{
/// <summary>
/// 生成随机数字
/// </summary>
/// <param name="length">生成长度</param>
/// <returns></returns>
public static string Number(int Length)
{
return Number(Length, false);
}
/// <summary>
/// 生成随机数字
/// </summary>
/// <param name="Length">生成长度</param>
/// <param name="Sleep">是否要在生成前将当前线程阻止以避免重复</param>
/// <returns></returns>
public static string Number(int Length,bool Sleep)
{
if(Sleep)
System.Threading.Thread.Sleep(3);
string result = "";
System.Random random = new Random();
for (int i = 0; i < Length; i++)
{
result += random.Next(10).ToString();
}
return result;
}
/// <summary>
/// 生成随机字母与数字
/// </summary>
/// <param name="IntStr">生成长度</param>
/// <returns></returns>
public static string Str(int Length)
{
return Str(Length, false);
}
/// <summary>
/// 生成随机字母与数字
/// </summary>
/// <param name="Length">生成长度</param>
/// <param name="Sleep">是否要在生成前将当前线程阻止以避免重复</param>
/// <returns></returns>
public static string Str(int Length, bool Sleep)
{
if(Sleep)
System.Threading.Thread.Sleep(3);
char Pattern = new char { ''0'', ''1'', ''2'', ''3'', ''4'', ''5'', ''6'', ''7'', ''8'', ''9'', ''A'', ''B'', ''C'', ''D'', ''E'', ''F'', ''G'', ''H'', ''I'', ''J'', ''K'', ''L'', ''M'', ''N'', ''O'', ''P'', ''Q'', ''R'', ''S'', ''T'', ''U'', ''V'', ''W'', ''X'', ''Y'', ''Z'' };
string result = "";
int n = Pattern.Length;
System.Random random = new Random(~unchecked((int)DateTime.Now.Ticks));
for (int i = 0; i < Length; i++)
{
int rnd = random.Next(0,n);
result += Pattern[rnd];
}
return result;
}
/// <summary>
/// 生成随机纯字母随机数
/// </summary>
/// <param name="IntStr">生成长度</param>
/// <returns></returns>
public static string Str_char(int Length)
{
return Str_char(Length, false);
}
/// <summary>
/// 生成随机纯字母随机数
/// </summary>
/// <param name="Length">生成长度</param>
/// <param name="Sleep">是否要在生成前将当前线程阻止以避免重复</param>
/// <returns></returns>
public static string Str_char(int Length, bool Sleep)
{
if (Sleep) System.Threading.Thread.Sleep(3);
char Pattern = new char { ''A'', ''B'', ''C'', ''D'', ''E'', ''F'', ''G'', ''H'', ''I'', ''J'', ''K'', ''L'', ''M'', ''N'', ''O'', ''P'', ''Q'', ''R'', ''S'', ''T'', ''U'', ''V'', ''W'', ''X'', ''Y'', ''Z'' };
string result = "";
int n = Pattern.Length;
System.Random random = new Random(~unchecked((int)DateTime.Now.Ticks));
for (int i = 0; i < Length; i++)
{
int rnd = random.Next(0, n);
result += Pattern[rnd];
}
return result;
}
}
