JAVA获取汉字拼音首字母
package mon.util;import java.io.UnsupportedEncodingException;/*** 取得给定汉字串的首字母串,即声母串 * Title: ChineseCharToEn * @date 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 static String getAllFirstLetter(String str) {if (str == null || str.trim().length() == 0) {return "";}String _str = "";for (int i = 0; i < str.length(); i++) {_str = _str + 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 static String getFirstLetter(String chinese) {if (chinese == null || chinese.trim().length() == 0) {return "";}chinese = 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 = 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 static 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;}public static void main(String[] args) {System.out.println("获取拼音首字母："+getAllFirstLetter("大中国南昌中大china"));}}
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