添加依賴

<dependency> <groupId>com.belerweb</groupId> <artifactId>pinyin4j</artifactId> <version>2.5.1</version></dependency>

工具類代碼:

public class PinYinUtils { public static HanyuPinyinOutputFormat PINYIN_FORMAT; static { PINYIN_FORMAT = new HanyuPinyinOutputFormat(); /** * 大小寫(xiě)設(shè)置 * LOWERCASE:小寫(xiě) * UPPERCASE:大寫(xiě) */ PINYIN_FORMAT.setCaseType(HanyuPinyinCaseType.LOWERCASE); /** * 輸出音標(biāo)設(shè)置 * * WITH_TONE_MARK:直接用音標(biāo)符（VCharType必須設(shè)置WITH_U_UNICODE，否則會(huì)拋出異常） * WITH_TONE_NUMBER：1-4數(shù)字表示音標(biāo) * WITHOUT_TONE：沒(méi)有音標(biāo) */ PINYIN_FORMAT.setToneType(HanyuPinyinToneType.WITHOUT_TONE); /** * 特殊音符ü的設(shè)置 * WITH_U_AND_COLON:用u表示(沒(méi)有設(shè)置默認(rèn)用u表示) * WITH_V:用v表示 * WITH_U_UNICODE:用ü表示 */ PINYIN_FORMAT.setVCharType(HanyuPinyinVCharType.WITH_U_UNICODE); } /** * 取漢字的拼音首字母 * @param chinese * @return */ public static String toFirstPinYin(String chinese){ StringBuilder result = new StringBuilder(); //將字符串轉(zhuǎn)成字符數(shù)組 char[] chars = chinese.toCharArray(); try { for (char c : chars) {//是中文則進(jìn)行轉(zhuǎn)換if(String.valueOf(c).matches('[u4e00-u9fa5]+')){ String[] pinyinStr = PinyinHelper.toHanyuPinyinStringArray(c, PINYIN_FORMAT); result.append(pinyinStr[0].charAt(0));//取每個(gè)中文的第一個(gè)拼音字母}else { result.append(c);} } } catch (BadHanyuPinyinOutputFormatCombination badHanyuPinyinOutputFormatCombination) { badHanyuPinyinOutputFormatCombination.printStackTrace(); } return result.toString(); } /** * 漢字轉(zhuǎn)拼音小寫(xiě) * @param chinese * @return */ public static String toPinYin(String chinese){ //創(chuàng)建返回對(duì)象 StringBuilder result = new StringBuilder();//方法調(diào)用的時(shí)候新建，對(duì)象沒(méi)有共享，不會(huì)有線程安全問(wèn)題。 //將字符串轉(zhuǎn)成字符數(shù)組 char[] chars = chinese.toCharArray(); try { for (char c : chars) {//是中文則進(jìn)行轉(zhuǎn)換if(String.valueOf(c).matches('[u4e00-u9fa5]+')){ String[] pinyinStr = PinyinHelper.toHanyuPinyinStringArray(c, PINYIN_FORMAT);// result.append(pinyinStr[0].charAt(0));//取每個(gè)中文的第一個(gè)拼音字母 result.append(pinyinStr[0]);}else { result.append(c);} } } catch (BadHanyuPinyinOutputFormatCombination badHanyuPinyinOutputFormatCombination) { badHanyuPinyinOutputFormatCombination.printStackTrace(); } return result.toString(); } /** * 漢字轉(zhuǎn)拼音每個(gè)字符串的第一個(gè)字母大寫(xiě)其余小寫(xiě) * @param chinese * @return */ public static String toUpperStringsFirstCharPinYin(String chinese){ //創(chuàng)建返回對(duì)象 StringBuilder result = new StringBuilder();//方法調(diào)用的時(shí)候新建，對(duì)象沒(méi)有共享，不會(huì)有線程安全問(wèn)題。 //將字符串轉(zhuǎn)成字符數(shù)組 char[] chars = chinese.toCharArray(); try { for (char c : chars) {//是中文則進(jìn)行轉(zhuǎn)換if(String.valueOf(c).matches('[u4e00-u9fa5]+')){ String[] pinyinStr = PinyinHelper.toHanyuPinyinStringArray(c, PINYIN_FORMAT);// result.append(pinyinStr[0].charAt(0));//取每個(gè)中文的第一個(gè)拼音字母 String c1 = String.valueOf(pinyinStr[0]); result.append(c1.substring(0,1).toUpperCase()).append(c1.substring(1));}else { result.append(c);} } } catch (BadHanyuPinyinOutputFormatCombination badHanyuPinyinOutputFormatCombination) { badHanyuPinyinOutputFormatCombination.printStackTrace(); } return result.toString(); } public static void main(String[] args) { //測(cè)試StringBuilder是否有線程安全問(wèn)題 String str = '拼音工具lv'; String pinYin = toUpperStringsFirstCharPinYin(str); System.out.println(pinYin); }}

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