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标题可能不太清楚,实现的功能如下:我爱中国-WAZG
1。汉字字符与英文字母之间区别
标准的asc表不包含汉字字符,因为一个asc字符只有1byte,就是8bit,8bit所能代表的数字范围,如果是有符号的好,因该为-128-127,无符号的话,应该为0-255。而我们知道,一个汉字字符,应该占有2个byte,表示范围应该为-32768-32767,所以汉字的asc,举例一段bit: 11002111,11111101它所代表的字符,应该超过了asc所能表述的范围,这时候就会产生溢出。所以占有两个byte的汉字字符的asc码应该为负的。
2.功能实现
1using System;
2using System.Collections.Generic;
3using System.Text;
4
5namespace ConsoleApplication1
6{
7 class Program
8 {
9 static void Main(string[] args)
10 {
11 Console.WriteLine(GetChineseFirstChar("我a*%爱你中国"));;
12 }
13 static string GetChineseFirstChar(string chineseStr)
14 {
15 StringBuilder sb = new StringBuilder();
16 int length = chineseStr.Length;
17 for (int i = 0; i length; i++)
18 {
19 char chineseChar = chineseStr[i];
20 sb.Append(GetpyChar(chineseChar));
21 }
22 return sb.ToString();
23 }
24 static string GetpyChar(char c)
25 {
26 int ascCode = Microsoft.VisualBasic.Strings.Asc(c);
27 int temp = 65536 + ascCode;
28 if (temp = 45217 && temp = 45252)
29 {
30 return "A";
31 }
32 else if (temp = 45253 && temp = 45760)
33 {
34 return "B";
35 }
36 else if (temp = 45761 && temp = 46317)
37 {
38 return "C";
39 }
40 else if (temp = 46318 && temp = 46825)
41 {
42 return "D";
43 }
44
45
46 else if (temp = 46826 && temp = 47009)
47 {
48 return "E";
49 }
50 else if (temp = 47010 && temp = 47296)
51 {
52 return "F";
53 }
54 else if (temp = 47297 && temp = 47613)
55 {
56 return "G";
57 }
58 else if (temp = 47614 && temp = 48118)
59 {
60 return "H";
61 }
62 else if (temp = 48119 && temp = 49061)
63 {
64 return "J";
65 }
66 else if (temp = 49062 && temp = 49323)
67 {
68 return "K";
69 }
70 else if (temp = 49324 && temp = 49895)
71 {
72 return "L";
73 }
74 else if (temp = 49896 && temp = 50370)
75 {
76 return "M";
77 }
78 else if (temp = 50371 && temp = 50613)
79 {
80 return "N";
81 }
82 else if (temp = 50614 && temp = 50621)
83 {
84 return "O";
85 }
86 else if (temp = 50622 && temp = 50905)
87 {
88 return "P";
89 }
90 else if (temp = 50906 && temp = 51386)
91 {
92 return "Q";
93 }
94 else if (temp = 51387 && temp = 51445)
95 {
96 return "R";
97 }
98 else if (temp = 51446 && temp = 52217)
99 {
100 return "S";
101 }
102 else if (temp = 52218 && temp = 52697)
103 {
104 return "T";
105 }
106 else if (temp = 52698 && temp = 52979)
107 {
108 return "W";
109 }
110 else if (temp = 52980 && temp = 53688)
111 {
112 return "X";
113 }
114 else if (temp = 53689 && temp = 54480)
115 {
116 return "Y";
117 }
118 else if (temp = 54481 && temp = 62289)
119 {
120 return "Z";
121 }
122 else
123 {
124 return c.ToString();
125 }
126 }
127 }
128}
129
http://www.cnblogs.com/jillzhang/archive/2006/10/30/544596.html