JAVA翻译给定中文字符串的拼音首字母

import java.io.UnsupportedEncodingException;






/** *//** *//** *//**


* 取得给定汉字串的首字母串,即声母串


* <p>Title: ChineseCharToEn</p>


* <p>@author javer QQ:84831612</p>


* @version 1.0


* @date 2004-02-19


* 注：只支持GB2312字符集中的汉字


*/


public final class ChineseCharToEn




...{


private final static int[] li_SecPosValue =




...{


1601, 1637, 1833, 2078, 2274, 2302, 2433, 2594, 2787, 3106, 3212, 3472,


3635, 3722, 3730, 3858, 4027, 4086, 4390, 4558, 4684, 4925, 5249, 5590


};


private final static String[] lc_FirstLetter =




...{


"a", "b", "c", "d", "e", "f", "g", "h", "j", "k", "l", "m", "n", "o", "p",


"q", "r", "s", "t", "w", "x", "y", "z"


};






/** *//** *//** *//**


* 取得给定汉字串的首字母串,即声母串


* @param str 给定汉字串


* @return 声母串


*/


public String getAllFirstLetter(String str)




...{


if (str == null || str.trim().length() == 0)




...{


return "";


}




String _str = "";


for (int i = 0; i < str.length(); i++)




...{


_str = _str + this.getFirstLetter(str.substring(i, i + 1));


}




return _str;


}






/** *//** *//** *//**


* 取得给定汉字的首字母,即声母


* @param chinese 给定的汉字


* @return 给定汉字的声母


*/


public String getFirstLetter(String chinese)




...{


if (chinese == null || chinese.trim().length() == 0)




...{


return "";


}


chinese = this.conversionStr(chinese, "GB2312", "ISO8859-1");




if (chinese.length() > 1) //判断是不是汉字




...{


int li_SectorCode = (int) chinese.charAt(0); //汉字区码


int li_PositionCode = (int) chinese.charAt(1); //汉字位码


li_SectorCode = li_SectorCode - 160;


li_PositionCode = li_PositionCode - 160;


int li_SecPosCode = li_SectorCode * 100 + li_PositionCode; //汉字区位码


if (li_SecPosCode > 1600 && li_SecPosCode < 5590)




...{


for (int i = 0; i < 23; i++)




...{


if (li_SecPosCode >= li_SecPosValue[i] &&


li_SecPosCode < li_SecPosValue[i + 1])




...{


chinese = lc_FirstLetter[i];


break;


}


}


}


else //非汉字字符,如图形符号或ASCII码




...{


chinese = this.conversionStr(chinese, "ISO8859-1", "GB2312");


chinese = chinese.substring(0,1);


}


}




return chinese;


}






/** *//** *//** *//**


* 字符串编码转换


* @param str 要转换编码的字符串


* @param charsetName 原来的编码


* @param toCharsetName 转换后的编码


* @return 经过编码转换后的字符串


*/


private String conversionStr(String str, String charsetName,String toCharsetName)




...{


try




...{


str = new String(str.getBytes(charsetName), toCharsetName);


}


catch (UnsupportedEncodingException ex)




...{


System.out.println("字符串编码转换异常：" + ex.getMessage());


}




return str;


}


}




/** *//**


* 测试程序


* <p>Title: JaverTest</p>


*/


public class JaverTest




...{


public static void main(String[] args)




...{


ChineseCharToEn cte = new ChineseCharToEn();


System.out.println(""夜未眠"的首个拼音字母是：" + cte.getFirstLetter("夜未眠"));


System.out.println(""Javer夜未眠"的首个拼音字母是：" + cte.getFirstLetter("Javer夜未眠"));


System.out.println(""Javer夜未眠"的全部字母的拼音字母是：" + cte.getAllFirstLetter("Javer夜未眠"));


}


}