C#自定義隨機數產生類代碼

這個類主要擴展的random的使用，對一個經常需要使用的隨機數生成進行了封裝，可以產生指定范圍內的隨機數，可以隨機生成字符串等

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

using System;
namespace DotNet.Utilities
{
    /// <summary>
    /// BaseRandom
    /// 產生隨機數
    ///
    /// 隨機數管理，最大值、最小值可以自己進行設定。
    /// </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() 產生隨機字符
    /// <summary>
    /// 產生隨機字符
    /// </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>
    /// 產生隨機數
    /// </summary>
    /// <returns>隨機數</returns>
    public static int GetRandom()
    {
        return Random.Next(Minimum, Maximal);
    }
    #endregion

    #region public static int GetRandom(int minimum, int maximal)
    /// <summary>
    /// 產生隨機數
    /// </summary>
    /// <param name="minimum">最小值</param>
    /// <param name="maximal">最大值</param>
    /// <returns>隨機數</returns>
    public static int GetRandom(int minimum, int maximal)
    {
        return Random.Next(minimum, maximal);
    }
    #endregion
}

}</pre>