72 lines
2.6 KiB
C#
72 lines
2.6 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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namespace GetHttpData.SDK
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{
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/// <summary>
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/// 获取随机执行时间间隔
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/// </summary>
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public class RandomNum
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{
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private static char[] constant =
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{
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'0','1','2','3','4','5','6','7','8','9',
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'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',
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'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'
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};
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public static string GenerateRandomNumber(int Length)
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{
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StringBuilder newRandom = new StringBuilder(62);
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Random rd = new Random(Guid.NewGuid().GetHashCode());
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for (int i = 0; i < Length; i++)
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{
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newRandom.Append(constant[rd.Next(62)]);
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}
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return newRandom.ToString();
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}
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public static int[] getRandomNum(int num, int minValue, int maxValue)
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{
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Random ra = new Random(Guid.NewGuid().GetHashCode());
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int[] arrNum = new int[num];
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int tmp = 0;
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for (int i = 0; i <= num - 1; i++)
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{
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tmp = ra.Next(minValue, maxValue); //随机取数
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arrNum[i] = getNum(arrNum, tmp, minValue, maxValue, ra); //取出值赋到数组中
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}
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return arrNum;
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}
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public static int getNum(int[] arrNum, int tmp, int minValue, int maxValue, Random ra)
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{
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int n = 0;
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while (n <= arrNum.Length - 1)
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{
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if (arrNum[n] == tmp) //利用循环判断是否有重复
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{
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tmp = ra.Next(minValue, maxValue); //重新随机获取。
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getNum(arrNum, tmp, minValue, maxValue, ra);//递归:如果取出来的数字和已取得的数字有重复就重新随机获取。
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}
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n++;
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}
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return tmp;
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}
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public static string Str_char(int Length, bool Sleep)
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{
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if (Sleep) System.Threading.Thread.Sleep(3);
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char[] Pattern = new char[] { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
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string result = "";
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int n = Pattern.Length;
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System.Random random = new Random(Guid.NewGuid().GetHashCode());
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for (int i = 0; i < Length; i++)
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{
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int rnd = random.Next(0, n);
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result += Pattern[rnd];
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}
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return result;
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}
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}
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}
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