259 lines
8.6 KiB
C#
259 lines
8.6 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.Security.Cryptography;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Threading.Tasks;
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namespace DG.Tool
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{
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public static class ResUtil
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{
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//生成resid
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public static string CreateResId(string number)
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{
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number = number.Replace("+86", "");
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if (number.StartsWith("01") && number.Length == 12)
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{
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number = number.Substring(1);
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}
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//1、正则表达式提取数字串值
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number = Regex.Replace(number, @"[^\d.\d]", "", RegexOptions.IgnoreCase);
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//*******开始resid算法******************//
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bool ismobile = ChekMobile(number) || ChekMobile(number.TrimStart('0'));
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if (ismobile)
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number = number.TrimStart('0');
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string bkn_ms_52 = InReversibleStr(number, ismobile);
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string kn_ms_6 = ReversibleStr(number);
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string resId = MixResID(bkn_ms_52, kn_ms_6, number, ismobile);
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return resId;
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}
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/// <summary>
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/// 00852+8位是香港的电话
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/// </summary>
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/// <param name="number"></param>
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/// <returns></returns>
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public static bool ChekMobile(string number)
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{
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string rgs = @"^(13|14|15|16|17|18|19|0085)\d{9}$";
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Regex reg = new Regex(rgs);
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return reg.IsMatch(number);
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}
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/// <summary>
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/// 检查是否包含手机号码
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/// </summary>
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/// <param name="number"></param>
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/// <returns></returns>
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public static bool ContainMobile(string number)
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{
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string rgs = @".*(13|14|15|16|17|18|19)\d{9}.*";
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Regex reg = new Regex(rgs);
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return reg.IsMatch(number);
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}
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public static bool CheckIsNum(string txt)
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{
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string rgs = "^\\d{6,16}$";
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Regex reg = new Regex(rgs);
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return reg.IsMatch(txt);
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}
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public static string UserMd5(string str)
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{
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var cl = str;
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var result = string.Empty;
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var md5 = MD5.Create();//实例化一个md5对像
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// 加密后是一个字节类型的数组，这里要注意编码UTF8/Unicode等的选择
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var s = md5.ComputeHash(Encoding.UTF8.GetBytes(cl));
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// 通过使用循环，将字节类型的数组转换为字符串，此字符串是常规字符格式化所得
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for (int i = 0; i < s.Length; i++)
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{
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// 将得到的字符串使用十六进制类型格式。格式后的字符是小写的字母，如果使用大写（X）则格式后的字符是大写字符
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result = result + s[i].ToString("x2");
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}
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return result;
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}
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public static string NumberFormat(string number)
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{
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if (string.IsNullOrEmpty(number) || number.Length <= 6)
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{
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return number;
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}
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return number.Substring(0, 3) + new string('*', number.Length - 6) + number.Substring(number.Length - 3);
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}
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/// <summary>
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/// 不可逆密码串
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/// </summary>
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/// <param name="number"></param>
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/// <returns></returns>
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private static string InReversibleStr(string number, bool ismobile)
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{
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//11位手机前补'x'、不足12位的号码前补'0，超过12位的取后12位
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string rnum = ismobile ? "x" + number : number;
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rnum = rnum.PadLeft(12, '0');
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rnum = rnum.Substring(rnum.Length - 12);
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string strms = EncryptMD5(rnum + "@no_zuo_no_die@").Substring(10, 13);
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Int64 si = Convert.ToInt64(strms, 16);
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return Convert.ToString(si, 2).PadLeft(52, '0');
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}
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/// <summary>
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/// md5加密
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/// </summary>
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/// <param name="message"></param>
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/// <returns></returns>
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public static string EncryptMD5(string input)
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{
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if (string.IsNullOrEmpty(input))
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{
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return string.Empty;
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}
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MD5 md5 = MD5.Create();
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byte[] data = md5.ComputeHash(Encoding.Default.GetBytes(input));
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// Create a new Stringbuilder to collect the bytes
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// and create a string.
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StringBuilder sBuilder = new();
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// Loop through each byte of the hashed data
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// and format each one as a hexadecimal string.
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for (int i = 0; i < data.Length; i++)
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{
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sBuilder.Append(data[i].ToString("x2"));
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}
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return sBuilder.ToString();
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}
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/// <summary>
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/// 生成可逆密码串
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/// </summary>
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/// <param name="number"></param>
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/// <returns></returns>
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private static string ReversibleStr(string number)
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{
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//2位可逆
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int H2 = Int32.Parse(number.Substring(number.Length - 2)) % 64;
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string strms = Convert.ToString(Convert.ToInt64(H2), 2).PadLeft(6, '0');
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return MixKN_MS(strms, true);
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}
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private static string MixResID(string bkn_ms, string kn_ms, string number, bool ismobile)
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{
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StringBuilder sb = new StringBuilder();
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int i = 0;
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for (; i < kn_ms.Length; i++)
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{
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sb.Append(bkn_ms.Substring(i * 2, 2));
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sb.Append(kn_ms.Substring(i, 1));
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}
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sb.Append(bkn_ms.Substring(i * 2));
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sb.Append(ismobile ? "1" : "0");
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return Convert2TO10(sb.ToString()).ToString().PadLeft(18, '0');
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}
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private static string MixKN_MS(string kn_ms, bool bMix)
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{
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int iMove = 2;
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StringBuilder sb = new StringBuilder();
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if (bMix)
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{
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kn_ms = kn_ms.Substring(kn_ms.Length - iMove) + kn_ms.Substring(0, kn_ms.Length - iMove);
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}
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for (int i = 0; i < kn_ms.Length / 2; i++)
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{
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sb.Append(kn_ms[i * 2 + 1]);
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sb.Append(kn_ms[i * 2]);
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}
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kn_ms = sb.ToString();
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if (!bMix)
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{
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kn_ms = kn_ms.Substring(iMove) + kn_ms.Substring(0, iMove);
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}
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return kn_ms;
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}
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/// <summary>
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/// 返回后二位的手机号码串
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/// </summary>
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/// <param name="resId"></param>
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/// <returns></returns>
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public static string Reve_ms(string resId)
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{
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string code = Convert10TO2(Convert.ToDecimal(resId)).PadLeft(59, '0');
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code = code.Substring(code.Length - 59);
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StringBuilder sb = new StringBuilder();
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for (int i = 1; i <= 6; i++)
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{
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sb.Append(code[i * 3 - 1]);
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}
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code = MixKN_MS(sb.ToString(), false);
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code = Convert.ToInt32(code, 2).ToString().PadLeft(2, '0');
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return "*********" + code;
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}
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/// <summary>
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/// 二进制转十进制
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/// </summary>
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/// <param name="resid"></param>
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/// <returns></returns>
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public static decimal Convert2TO10(string resid)
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{
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decimal residNum = 0;
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string str = resid;
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for (int i = 0, j = resid.Length - 1; i < resid.Length; i++, j--)
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{
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string bitebag = resid.Substring(j, 1);
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decimal t = Convert.ToInt32(bitebag) * Pow(i);
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residNum = residNum + t;
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}
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return residNum;
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}
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/// <summary>
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/// 十进制转二进制
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/// </summary>
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/// <param name="resudnum"></param>
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/// <returns></returns>
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public static string Convert10TO2(decimal resudnum)
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{
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string str = string.Empty;
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while (resudnum > 0)
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{
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int y = Convert.ToInt32(resudnum % Convert.ToDecimal(2));
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resudnum = Math.Floor(resudnum / Convert.ToDecimal(2));
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str = y.ToString() + str;
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}
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return str;
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}
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public static decimal Pow(int y)
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{
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decimal pow = 1;
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if (y == 0)
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{
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pow = 1;
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}
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else if (y == 1)
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{
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pow = 2;
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}
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else
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{
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pow = 2;
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while (y > 1)
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{
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pow = pow * 2;
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y--;
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}
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}
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return pow;
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}
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}
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} |