［字元轉換］UTF32 常用轉換程式集
看了聖殿祭師: http://www.plurk.com/p/eue5c1 及 璉大: [測試記錄] UTF32 位元組數與 Char 型別
memo些C#常用的轉換程式, 以後就不用東找西找了.
1: /// <summary>
2: /// 10進位轉16進位
3: /// </summary>
4: /// <param name="ten">16296</param>
5: /// <returns>3f98</returns>
6: public static string Ten2Hex(int ten){
7: return Convert.ToString(ten, 16);
8: }
9: /// <summary>
10: /// 16進位轉10進位
11: /// same as Hex2TenUsingNumberStyles(string)
12: /// </summary>
13: /// <param name="hex">3f98</param>
14: /// <returns>16296</returns>
15: public static int Hex2Ten(string hex)
16: {
17: return Convert.ToInt32(hex, 16);
18: }
19: /// <summary>
20: /// 16進位轉10進位
21: /// same as Hex2Ten(string)
22: /// </summary>
23: /// <param name="codePoint">3f98</param>
24: /// <returns>16296</returns>
25: public static int Hex2TenUsingNumberStyles(string hex)
26: {
27: return int.Parse(hex, System.Globalization.NumberStyles.HexNumber);
28: }
29:
30: /// <summary>
31: /// 字串轉10進位代碼
32: /// </summary>
33: /// <param name="s"></param>
34: /// <returns></returns>
35: public static int ToUtf32Int(string s)
36: {
37: return char.ConvertToUtf32(s, 0);
38: }
39: /// <summary>
40: /// 依10進位代碼轉字元
41: /// </summary>
42: /// <param name="code">16296</param>
43: /// <returns>㾨</returns>
44: public static string ToUtf32String(int code)
45: {
46: return char.ConvertFromUtf32(code);
47: }
48: /// <summary>
49: /// 依byte[]代碼轉字元
50: /// </summary>
51: /// <param name="b">[168,63,0,0]</param>
52: /// <returns>㾨</returns>
53: public static string ToUtf32String(byte[] b)
54: {
55: return Encoding.UTF32.GetString(b);
56: }
57: /// <summary>
58: /// 不同的編碼轉換為UTF-32字元組
59: /// </summary>
60: /// <param name="s">㾨 by Big5</param>
61: /// <param name="srcEnc">Encoding.Big5</param>
62: /// <returns>㾨 by utf32</returns>
63: public static string ToUtf32String(string s, Encoding srcEnc)
64: {
65: byte[] src = srcEnc.GetBytes(s);
66: return Encoding.UTF32.GetString(src);
67: }
68: /// <summary>
69: /// 依字元轉16進位, 無"-"符號
70: /// </summary>
71: /// <param name="s">㾨</param>
72: /// <returns>A83F0000</returns>
73: public static string ToUtf32HexString(string s)
74: {
75: return System.BitConverter.ToString(Encoding.UTF32.GetBytes(s)).Replace("-","");
76: }
77: /// <summary>
78: /// 依字元轉10進位
79: /// </summary>
80: /// <param name="s">㾨</param>
81: /// <returns>16296</returns>
82: public static int ToUtf32String(string s)
83: {
84: return System.BitConverter.ToInt32(Encoding.UTF32.GetBytes(s), 0);
85: }
86:
87: /// <summary>
88: /// 簡單的單一byte與char轉換(ascii)
89: /// </summary>
90: /// <param name="b">65</param>
91: /// <returns>A</returns>
92: public static char SimpleByte2Char(byte b)
93: {
94: return (char) b;
95: }
96:
97: /// <summary>
98: /// 簡單的單一byte與char轉換(ascii)
99: /// </summary>
100: /// <param name="b">A</param>
101: /// <returns>65</returns>
102: public static byte SimpleChar2Byte(char c)
103: {
104: return (byte) c;
105: }
