java汉字转换拼音，获取汉字串拼音首字母

首先要下载  pinyin4j  的jar包

import net.sourceforge.pinyin4j.PinyinHelper; import net.sourceforge.pinyin4j.format.HanyuPinyinCaseType; import net.sourceforge.pinyin4j.format.HanyuPinyinOutputFormat; import net.sourceforge.pinyin4j.format.HanyuPinyinToneType; import net.sourceforge.pinyin4j.format.HanyuPinyinVCharType; import net.sourceforge.pinyin4j.format.exception.BadHanyuPinyinOutputFormatCombination; /** * 拼音工具类 * * @author Wer */ public class PinYinUtil { /** * 将字符串中的中文转化为拼音,其他字符不变 * * @param inputString * @return */ public static String getPingYin(String inputString) { HanyuPinyinOutputFormat format = new HanyuPinyinOutputFormat(); format.setCaseType(HanyuPinyinCaseType.LOWERCASE); format.setToneType(HanyuPinyinToneType.WITHOUT_TONE); format.setVCharType(HanyuPinyinVCharType.WITH_V); char[] input = inputString.trim().toCharArray(); String output = ""; try { for (int i = 0; i < input.length; i++) { if (java.lang.Character.toString(input[i]).matches("[\\u4E00-\\u9FA5]+")) { String[] temp = PinyinHelper.toHanyuPinyinStringArray(input[i], format); output += temp[0]; } else output += java.lang.Character.toString(input[i]); } } catch (BadHanyuPinyinOutputFormatCombination e) { e.printStackTrace(); } return output; } /** * 获取汉字串拼音首字母，英文字符不变 * @param chinese 汉字串 * @return 汉语拼音首字母 */ public static String getFirstSpell(String chinese) { StringBuffer pybf = new StringBuffer(); char[] arr = chinese.toCharArray(); HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat(); defaultFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE); defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE); for (int i = 0; i < arr.length; i++) { if (arr[i] > 128) { try { String[] temp = PinyinHelper.toHanyuPinyinStringArray(arr[i], defaultFormat); if (temp != null) { pybf.append(temp[0].charAt(0)); } } catch (BadHanyuPinyinOutputFormatCombination e) { e.printStackTrace(); } } else { pybf.append(arr[i]); } } return pybf.toString().replaceAll("\\W", "").trim(); } /** * 获取汉字串拼音，英文字符不变 * @param chinese 汉字串 * @return 汉语拼音 */ public static String getFullSpell(String chinese) { StringBuffer pybf = new StringBuffer(); char[] arr = chinese.toCharArray(); HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat(); defaultFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE); defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE); for (int i = 0; i < arr.length; i++) { if (arr[i] > 128) { try { pybf.append(PinyinHelper.toHanyuPinyinStringArray(arr[i], defaultFormat)[0]); } catch (BadHanyuPinyinOutputFormatCombination e) { e.printStackTrace(); } } else { pybf.append(arr[i]); } } return pybf.toString(); } }