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获得汉字字符串的首个拼音字母的缩写

2024-07-21 02:28:31
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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

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