App_Code/Components/GenericClass.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;

 
public class GenericClass
{
    protected static char[] constant;
   

	public GenericClass()
	{
		//
		// TODO: 在此处添加构造函数逻辑
		//

        constant = 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', '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'
     };

	}

   public static string GetNumRandom(int Length)
    {
        StringBuilder newRandom = new StringBuilder(10);
        Random rd = new Random();
        for (int i = 0; i < Length; i++)
        {
            newRandom.Append(constant[rd.Next(10)]);
        }
        return newRandom.ToString();
    }


    public static int Request(string filedName)
    {
        return Request(filedName, false);
    }

    public static int Request(string filedName, bool isDecrypt)
    {
        int i = Request(filedName, -1, isDecrypt);
        if (i == -1)
        {
            throw new Exception("找不到指定参数：" + filedName);
        }
        return i;
    }

    public static int Request(string filedName, int defaultValue)