1 /// <summary>
2 /// 将十进制转换为指定的进制
3 /// </summary>
4 /// <param name="Val">十进制值</param>
5 /// <param name="TargetRadix">目标进制</param>
6 /// <param name="BaseChar">基数列表(长度必须大于源字符串进制,无I，O)</param>
7 /// <returns></returns>
8 public static string JinZhiConvert(ulong Val, int TargetRadix = 0, string BaseChar = "0123456789ABCDEFGHJKLMNPQRSTUVWXYZ")
9 {
10 if (TargetRadix == 0 && BaseChar.Length == 0) return "长度与基数不能同时为零";
11 if (TargetRadix <= 0) TargetRadix = BaseChar.Length;
12 List<string> r = new List<string>();
13 do
14 {
15 ulong y = Val % (ulong)TargetRadix;
16 r.Add(BaseChar[Convert.ToInt32(y)].ToString());
17 Val = Convert.ToUInt64(Math.Floor(Val / (decimal)TargetRadix));
18 } while (Val > 0);
19 r.Reverse();
20 return string.Join("", r.ToArray());
21 }
22
23
24 /// <summary>
25 /// 将任意进制转化为十制
26 /// </summary>
27 /// <param name="Val">任意进制的字任串</param>
28 /// <param name="SourceRadix">源字符串的进制</param>
29 /// <param name="BaseChar">基数列表(长度必须大于源字符串进制,无I，O)</param>
30 /// <returns></returns>
31 public static ulong JinZhiConvert(string Val, int SourceRadix = 0, string BaseChar = "0123456789ABCDEFGHJKLMNPQRSTUVWXYZ")
32 {
33 ulong r = 0;
34 if (BaseChar == "") return 0;
35 if (SourceRadix == 0) SourceRadix = BaseChar.Length;
36 List<char> v = Val.ToCharArray().ToList();
37 v.Reverse();
38 for (int i = 0; i < v.Count; i++)
39 {
40 int index = BaseChar.IndexOf(v[i]);
41 if (index > -1)
42 r += Convert.ToUInt64(index * Math.Pow(SourceRadix, i));
43 }
44 return r;
45 }
