C#产生随机数的类

//------------------------------------------------------------
// All Rights Reserved , Copyright (C) 2010 , Jirisoft , Ltd.
//------------------------------------------------------------

using System;

namespace DotNet.Utilities
{
/// <summary>
/// BaseRandom
/// 产生随机数
///
/// 随机数管理，最大值、最小值可以自己进行设定。
/// </summary>
public class BaseRandom
{
public static int Minimum = 100000;
public static int Maximal = 999999;
public static int RandomLength = 6;

private static string RandomString = "0123456789ABCDEFGHIJKMLNOPQRSTUVWXYZ";
private static Random Random = new Random(DateTime.Now.Second);

#region public static string GetRandomString() 产生随机字符
/// <summary>
/// 产生随机字符
/// </summary>
/// <returns>字符串</returns>
public static string GetRandomString()
{
string returnValue = string.Empty;
for (int i = 0; i < RandomLength; i++)
{
int r = Random.Next(0, RandomString.Length - 1);
returnValue += RandomString[r];
}
return returnValue;
}
#endregion

#region public static int GetRandom()
/// <summary>
/// 产生随机数
/// </summary>
/// <returns>随机数</returns>
public static int GetRandom()
{
return Random.Next(Minimum, Maximal);
}
#endregion

#region public static int GetRandom(int minimum, int maximal)
/// <summary>
/// 产生随机数
/// </summary>
/// <param name="minimum">最小值</param>
/// <param name="maximal">最大值</param>
/// <returns>随机数</returns>
public static int GetRandom(int minimum, int maximal)
{
return Random.Next(minimum, maximal);
}
#endregion
}
}
//该代码片段来自于: http://www.sharejs.com/codes/csharp/8644[/code]