Common/GeneralHelper.cs

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using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Text;
using System.Text.RegularExpressions;
using System.Globalization;
using System.Security.Cryptography;
using System.Collections;

/// <summary>
/// GeneralHelper 的摘要说明
/// </summary>
public class GeneralHelper
{
	public GeneralHelper()
	{
		//
		// TODO: 在此处添加构造函数逻辑
		//
    }

    #region 返回不重复随机数数组
    /// <summary>
    /// 返回不重复随机数数组
    /// </summary>
    /// <param name="Num">随机数个数</param>
    /// <param name="minNum">随机数下限</param>
    /// <param name="maxNum">随机数上限</param>
    /// <returns></returns>
    public int[] GetRandomArray(int Number, int minNum, int maxNum)
    {
        int j;
        int[] b = new int[Number];
        Random r = new Random();
        for (j = 0; j < Number; j++)
        {
            int i = r.Next(minNum, maxNum + 1);
            int num = 0;
            for (int k = 0; k < j; k++)
            {
                if (b[k] == i)
                {
                    num = num + 1;
                }
            }
            if (num == 0)
            {
                b[j] = i;
            }
            else
            {
                j = j - 1;
            }
        }