82 lines
2.5 KiB
C#
82 lines
2.5 KiB
C#
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// 大名科技（天津）有限公司版权所有 电话：18020030720 QQ：515096995
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//
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// 此源代码遵循位于源代码树根目录中的 LICENSE 文件的许可证
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using Admin.NET.Application.Entity;
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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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using System.Threading.Tasks;
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namespace Admin.NET.Application.Utils;
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internal class CodeHelper
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{
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// '序号',
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//'随机数',
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//'固定字符串',
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//'随机字母数字',
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//'随机大小写字母',
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//'随机大写字母',
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//'随机小写字母',
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public static string GetCodeRandom(int codeLen)
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{
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var result = "";
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var format = "";
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var max = "";
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for (int i = 0; i < codeLen; i++)
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{
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format += "0";
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max += "9";
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}
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var random = new Random();
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result = random.Next(Convert.ToInt32(max)).ToString(format);
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return result;
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}
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public static string GetCodeLetterNum(int codeLen)
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{
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const string chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
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Random random = new Random();
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StringBuilder stringBuilder = new StringBuilder();
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for (int i = 0; i < codeLen; i++)
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{
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stringBuilder.Append(chars[random.Next(chars.Length)]);
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}
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return stringBuilder.ToString();
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}
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public static string GetCodeLetter(int codeLen)
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{
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const string chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
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Random random = new Random();
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StringBuilder stringBuilder = new StringBuilder();
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for (int i = 0; i < codeLen; i++)
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{
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stringBuilder.Append(chars[random.Next(chars.Length)]);
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}
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return stringBuilder.ToString();
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}
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public static string GetCodeUpLetter(int codeLen)
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{
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const string chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
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Random random = new Random();
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StringBuilder stringBuilder = new StringBuilder();
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for (int i = 0; i < codeLen; i++)
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{
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stringBuilder.Append(chars[random.Next(chars.Length)]);
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}
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return stringBuilder.ToString();
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}
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public static string GetCodeDownLetter(int codeLen)
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{
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const string chars = "abcdefghijklmnopqrstuvwxyz";
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Random random = new Random();
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StringBuilder stringBuilder = new StringBuilder();
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for (int i = 0; i < codeLen; i++)
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{
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stringBuilder.Append(chars[random.Next(chars.Length)]);
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}
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return stringBuilder.ToString();
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}
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}
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