110 lines
3.3 KiB
C#
110 lines
3.3 KiB
C#
using System;
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using System.ComponentModel;
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using System.Security.Cryptography;
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using System.Text;
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namespace APT.Infrastructure.Core
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{
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/// <summary>
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/// Hash工具类
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/// </summary>
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public static class HashUtil
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{
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/// <summary>
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/// 计算字符串MD5值
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/// </summary>
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/// <param name="source">要计算的值</param>
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/// <returns></returns>
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public static string GetMD5(string source)
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{
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byte[] bytes = Encoding.UTF8.GetBytes(source);
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return GetMD5(bytes);
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}
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/// <summary>
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/// 计算byte数组MD5值
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/// </summary>
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/// <param name="bytes">要计算的byte数组</param>
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/// <returns></returns>
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public static string GetMD5(byte[] bytes)
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{
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StringBuilder builder = new StringBuilder();
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MD5 hash = new MD5CryptoServiceProvider();
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bytes = hash.ComputeHash(bytes);
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foreach (byte b in bytes)
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{
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builder.AppendFormat("{0:X2}", b);
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}
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return builder.ToString();
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}
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/// <summary>
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/// 产生随机字串，可用来自动生成密码,默认长度8位16进制
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/// </summary>
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/// <param name="len">长度</param>
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/// <param name="type">字串类型 0 字母 1 数字 2 大写字母 3 小写字母 4 十六进制字母 5 混合</param>
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/// <param name="addChars">额外字符</param>
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/// <returns></returns>
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public static string rand_string(int len = 8, RandomTypeEnum type = RandomTypeEnum.Hex, string addChars = "")
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{
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string chars = "";
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switch (type) {
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case RandomTypeEnum.Alphabet:
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chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"+addChars;
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break;
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case RandomTypeEnum.Number:
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chars = "0123456789";
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break;
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case RandomTypeEnum.Uppercase:
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chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"+addChars;
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break;
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case RandomTypeEnum.Lowercase:
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chars = "abcdefghijklmnopqrstuvwxyz"+ addChars;
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break;
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case RandomTypeEnum.Hex:
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chars = "0123456789ABCDEF"+addChars;
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break;
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default :
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// 默认去掉了容易混淆的字符oOLl和数字01，要添加请使用addChars参数
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chars = "ABCDEFGHIJKMNPQRSTUVWXYZabcdefghijkmnpqrstuvwxyz23456789"+ addChars;
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break;
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}
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char[] constant = chars.ToCharArray();
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System.Text.StringBuilder newRandom = new System.Text.StringBuilder(constant.Length);
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Random rd = new Random();
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for (int i = 0; i < len; i++)
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{
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newRandom.Append(constant[rd.Next(constant.Length)]);
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}
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return newRandom.ToString();
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}
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}
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/// <summary>
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/// 随机数类型
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/// </summary>
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public enum RandomTypeEnum
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{
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[Description("字母")]
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Alphabet = 0,
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[Description("数字")]
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Number = 1,
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[Description("大写字母")]
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Uppercase = 2,
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[Description("小写字母")]
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Lowercase = 3,
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[Description("十六进制字母")]
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Hex = 4,
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[Description("混合")]
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Mix = 5
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}
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}
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