汉字转拼音的工具类

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介绍3个方法：汉字转换为拼音、获取每个汉字的首字母、获取第一个汉字的首字母(如果是姓名，即姓的首字母)，代码如下：

PinYinUtil：

package com.home;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;/** * 拼音转换工具类 *  * @author Administrator *  */public class PinYinUtil {/** * 将字符串中的中文转化为拼音,其他字符不变 *  * @param inputStr * @return */public static String getPinYin(String inputStr) {HanyuPinyinOutputFormat format = new HanyuPinyinOutputFormat();format.setCaseType(HanyuPinyinCaseType.LOWERCASE);format.setToneType(HanyuPinyinToneType.WITHOUT_TONE);format.setVCharType(HanyuPinyinVCharType.WITH_V);char[] input = inputStr.trim().toCharArray();String output = "";try {if (input != null) {for (char c : input) {if (Character.toString(c).matches("[\\u4E00-\\u9FA5]+")) {String[] temp = PinyinHelper.toHanyuPinyinStringArray(c, format);output += temp[0];} else {output += Character.toString(c);}}}} catch (BadHanyuPinyinOutputFormatCombination e) {}return output;}/** * 得到每个汉字首字母，英文字符不变 *  * @param chineseStr * @return */public static String getFirstSpell(String chineseStr) {StringBuffer sb = new StringBuffer();char[] input = chineseStr.toCharArray();HanyuPinyinOutputFormat format = new HanyuPinyinOutputFormat();format.setCaseType(HanyuPinyinCaseType.LOWERCASE);format.setToneType(HanyuPinyinToneType.WITHOUT_TONE);if (input != null) {for (char c : input) {if (c > 128) {try {String[] temp = PinyinHelper.toHanyuPinyinStringArray(c, format);if (temp != null) {sb.append(temp[0].charAt(0));}} catch (BadHanyuPinyinOutputFormatCombination e) {e.printStackTrace();}} else {sb.append(c);}}}return sb.toString().replaceAll("\\W", "").trim();}/** * 获取姓名中姓的首字母 *  * @param chineseStr * @param isUpper *            是否转换为大写字母 * @return */public static String getFirstLetter(String chineseStr, boolean isUpper) {String pinyin = getPinYin(chineseStr);String firstLetter = pinyin.substring(0, 1);if (isUpper) {firstLetter = firstLetter.toUpperCase();} else {firstLetter = firstLetter.toLowerCase();}return firstLetter;}}

拼音转换需要用到的jar包地址：http://download.csdn.net/detail/u010142437/7107529

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