using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Security.Cryptography;
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using System.Text;
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using System.Threading.Tasks;
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namespace HH.WCS.Mobox3.FJJT.util
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{
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internal class StrHelper
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{
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/// <summary>
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/// 获取随机字符串
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/// </summary>
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/// <param name="prefix"></param>
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/// <param name="Length"></param>
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/// <returns></returns>
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public static string StrRandom(string prefix, int Length) {
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byte[] b = new byte[32];
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RandomNumberGenerator.Create().GetBytes(b);
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Random random = new Random(BitConverter.ToInt32(b, 0));
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string str = "0123456789"; //abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ
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string returnStr = string.Empty;
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for (int i = 0; i < Length; i++) {
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returnStr += str.Substring(random.Next(0, str.Length - 1), 1);
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}
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var cntrCode = prefix + returnStr;
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return cntrCode;
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}
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}
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}
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