C/C++ 获取汉字拼音首字母
1 #include <stdint.h> 2 #include <stdio.h> 3 #include <ctype.h> 4 #include <string.h> 5 6 bool between(uint32_t start,uint32_t end,uint32_t aim); 7 char get_first_letter(wchar_t wchar); 8 void get_first_letters(const char *szChinese,char piyinBuf[],const uint32_t maxBufLen,uint32_t &piyinBufLen); 9 10 11 int32_t main() 12 { 13 char buf[1024] = {0}; 14 uint32_t len = 0; 15 const char *szChinese = "qaz123获取汉字拼音"; 16 get_first_letters(szChinese,buf,1024,len); 17 printf("%s\n",buf); 18 return 0; 19 } 20 21 void get_first_letters(const char *szChinese,char piyinBuf[],const uint32_t maxBufLen,uint32_t &piyinBufLen) 22 { 23 uint8_t chr[3]; 24 piyinBufLen = 0; 25 uint32_t chineseLen = strlen(szChinese); 26 for (uint32_t i = 0; i < chineseLen && piyinBufLen < maxBufLen; ++i) 27 { 28 uint8_t c = szChinese[i]; 29 // 排除askii 码 30 if (isascii(c)) 31 { 32 piyinBuf[piyinBufLen++] = c; 33 } 34 else 35 { 36 chr[0] = szChinese[i]; 37 chr[1] = szChinese[++i]; 38 chr[2] = 0; 39 wchar_t wchr = 0; 40 wchr = (chr[0] & 0xff) << 8; 41 wchr |= (chr[1] & 0xff); 42 piyinBuf[piyinBufLen++] = toupper(get_first_letter(wchr)); 43 } 44 } 45 } 46 47 bool between(wchar_t start,wchar_t end,wchar_t aim) 48 { 49 if (start <= aim && aim <= end) 50 { 51 return true; 52 } 53 return false; 54 } 55 56 char get_first_letter(wchar_t wchar) 57 { 58 if (between(0xB0A1,0xB0C4,wchar)) return 'a'; 59 if (between(0XB0C5,0XB2C0,wchar)) return 'b'; 60 if (between(0xB2C1,0xB4ED,wchar)) return 'c'; 61 if (between(0xB4EE,0xB6E9,wchar)) return 'd'; 62 if (between(0xB6EA,0xB7A1,wchar)) return 'e'; 63 if (between(0xB7A2,0xB8c0,wchar)) return 'f'; 64 if (between(0xB8C1,0xB9FD,wchar)) return 'g'; 65 if (between(0xB9FE,0xBBF6,wchar)) return 'h'; 66 if (between(0xBBF7,0xBFA5,wchar)) return 'j'; 67 if (between(0xBFA6,0xC0AB,wchar)) return 'k'; 68 if (between(0xC0AC,0xC2E7,wchar)) return 'l'; 69 if (between(0xC2E8,0xC4C2,wchar)) return 'm'; 70 if (between(0xC4C3,0xC5B5,wchar)) return 'n'; 71 if (between(0xC5B6,0xC5BD,wchar)) return 'o'; 72 if (between(0xC5BE,0xC6D9,wchar)) return 'p'; 73 if (between(0xC6DA,0xC8BA,wchar)) return 'q'; 74 if (between(0xC8BB,0xC8F5,wchar)) return 'r'; 75 if (between(0xC8F6,0xCBF0,wchar)) return 's'; 76 if (between(0xCBFA,0xCDD9,wchar)) return 't'; 77 if (between(0xCDDA,0xCEF3,wchar)) return 'w'; 78 if (between(0xCEF4,0xD188,wchar)) return 'x'; 79 if (between(0xD1B9,0xD4D0,wchar)) return 'y'; 80 if (between(0xD4D1,0xD7F9,wchar)) return 'z'; 81 return '\0'; 82 }