实现效果
文字内容:小苹果拼音首字母：xpg
工具类
import java.io.UnsupportedEncodingException;/*** @author yang* @version 1.15, 6月27日 下午1:19:47* */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; }}
测试方法
/*** @author yang* @Title: UtilMain.java* @Package * @Description: 工具类测试main方法* @date 03月20日 11:08*/public class UtilMain {public static void main(String[] args) throws Exception {String chineseCar = "小苹果";ChineseCharToEn chineseCharToEn = new ChineseCharToEn();String letter = chineseCharToEn.getAllFirstLetter(chineseCar);System.out.println("文字内容:"+chineseCar);System.out.println("拼音首字母："+letter);}}
