当前文件路径：NetCMSv15/NetCMS.Common/Rand.cs

		            
  1//======================================================
  2//==     (c)2008 aspxcms inc by NeTCMS v1.0              ==
  3//==          Forum:bbs.aspxcms.com                   ==
  4//==         Website:www.aspxcms.com                  ==
  5//======================================================
  6using System;
  7using System.Collections.Generic;
  8using System.Text;
  9
 10namespace NetCMS.Common
 11...{
 12    public class Rand
 13    ...{
 14        /**//// <summary>
 15        /// 生成随机数字
 16        /// </summary>
 17        /// <param name="length">生成长度</param>
 18        /// <returns></returns>
 19        public static string Number(int Length)
 20        ...{
 21            return Number(Length, false);
 22        }
 23
 24        /**//// <summary>
 25        /// 生成随机数字
 26        /// </summary>
 27        /// <param name="Length">生成长度</param>
 28        /// <param name="Sleep">是否要在生成前将当前线程阻止以避免重复</param>
 29        /// <returns></returns>
 30        public static string Number(int Length,bool Sleep)
 31        ...{
 32            if(Sleep)
 33                System.Threading.Thread.Sleep(3);
 34            string result = "";
 35            System.Random random = new Random();
 36            for (int i = 0; i < Length; i++)
 37            ...{
 38                result += random.Next(10).ToString();
 39            }
 40            return result;
 41        }
 42
 43        /**//// <summary>
 44        /// 生成随机字母与数字
 45        /// </summary>
 46        /// <param name="IntStr">生成长度</param>
 47        /// <returns></returns>
 48        public static string Str(int Length)
 49        ...{
 50            return Str(Length, false);
 51        }
 52        /**//// <summary>
 53        /// 生成随机字母与数字
 54        /// </summary>
 55        /// <param name="Length">生成长度</param>
 56        /// <param name="Sleep">是否要在生成前将当前线程阻止以避免重复</param>
 57        /// <returns></returns>
 58        public static string Str(int Length, bool Sleep)
 59        ...{
 60            if(Sleep)
 61                System.Threading.Thread.Sleep(3);
 62            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' };
 63            string result = "";
 64            int n = Pattern.Length;
 65            System.Random random = new Random(~unchecked((int)DateTime.Now.Ticks));
 66            for (int i = 0; i < Length; i++)
 67            ...{
 68                int rnd = random.Next(0,n);
 69                result += Pattern[rnd];
 70            }
 71            return result;
 72        }
 73
 74
 75        /**//// <summary>
 76        /// 生成随机纯字母随机数
 77        /// </summary>
 78        /// <param name="IntStr">生成长度</param>
 79        /// <returns></returns>
 80        public static string Str_char(int Length)
 81        ...{
 82            return Str_char(Length, false);
 83        }
 84
 85        /**//// <summary>
 86        /// 生成随机纯字母随机数
 87        /// </summary>
 88        /// <param name="Length">生成长度</param>
 89        /// <param name="Sleep">是否要在生成前将当前线程阻止以避免重复</param>
 90        /// <returns></returns>
 91        public static string Str_char(int Length, bool Sleep)
 92        ...{
 93            if (Sleep)
 94                System.Threading.Thread.Sleep(3);
 95            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' };
 96            string result = "";
 97            int n = Pattern.Length;
 98            System.Random random = new Random(~unchecked((int)DateTime.Now.Ticks));
 99            for (int i = 0; i < Length; i++)
100            ...{
101                int rnd = random.Next(0, n);
102                result += Pattern[rnd];
103            }
104            return result;
105        }
106    }
107}
108