汉字转汉语拼音工具类

需求：汉字名称字段转换为汉语拼音字段，以支持拼音模糊搜索。

转汉语拼音实现：依赖 pinyin4j 相关 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;

public class PinyinUtils {

	/**
	 * 获得汉语拼音首字母
	 *
	 * @param chines
	 *           汉字
	 * @return
	 */
	public static String getAlpha(String chines) {
		String pinyinName = "";
		char[] nameChar = chines.toCharArray();
		HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();
		defaultFormat.setCaseType(HanyuPinyinCaseType.UPPERCASE);
		defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
		for (int i = 0; i < nameChar.length; i++) {
			if (nameChar[i] > 128) {
				try {
					String[] temp = PinyinHelper.toHanyuPinyinStringArray(nameChar[i], defaultFormat);
					if(temp.length>0) pinyinName += temp[0].charAt(0);
//	                pinyinName += PinyinHelper.toHanyuPinyinStringArray(
//	                     nameChar[i], defaultFormat)[0].charAt(0);
				} catch (BadHanyuPinyinOutputFormatCombination e) {
					e.printStackTrace();
				}
			} else {
				pinyinName += nameChar[i];
			}
		}
		return pinyinName;
	}
	
	/**
	 * 将字符串中的中文转化为拼音,英文字符不变
	 *
	 * @param inputString
	 *           汉字
	 * @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);
		String output = "";
		if (inputString != null && inputString.length() > 0
	            && !"null".equals(inputString)) {
			char[] input = inputString.trim().toCharArray();
			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();
			}
		} else {
			return "*";
		}
		return output;
	}

	/**
	 * 汉字转换位汉语拼音首字母，英文字符不变
	 *
	 * @param chines
	 *           汉字
	 * @return 拼音
	 */
	public static String converterToFirstSpell(String chines) {
		String pinyinName = "";
		char[] nameChar = chines.toCharArray();
		HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();
		defaultFormat.setCaseType(HanyuPinyinCaseType.UPPERCASE);
		defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
		for (int i = 0; i < nameChar.length; i++) {
			if (nameChar[i] > 128) {
				try {
					String[] temp = PinyinHelper.toHanyuPinyinStringArray(nameChar[i], defaultFormat);
					if(temp.length>0) pinyinName += temp[0].charAt(0);
				} catch (BadHanyuPinyinOutputFormatCombination e) {
					e.printStackTrace();
				}
			} else {
				pinyinName += nameChar[i];
			}
		}
		return pinyinName;
	}
	static public void main(String argv[]) {
		String strs = PinyinUtils.getPingYin("新年好！Hello，新年大家都过得开心吧？哈哈，我是做Android开发哒，what's this？");
		System.out.println(strs);
		String strs1 = PinyinUtils.getAlpha("新年好！Hello，新年大家都过得开心吧？哈哈，我是做Android开发哒，what's this？");
		System.out.println(strs1);
		String strs2 = PinyinUtils.converterToFirstSpell("新年好！Hello，新年大家都过得开心吧？哈哈，我是做Android开发哒，what's this？");
		System.out.println(strs2);
	}
}