Hanzi2PinyinUtil.java

package com.cabletech.common.util;

import org.apache.log4j.Logger;

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;

/**
 * 将汉字词语转换为拼音以及获得汉字拼音的首字母
 * 
 * @author zh
 * 
 */
public class Hanzi2PinyinUtil {
	private static Logger log = Logger.getLogger(Hanzi2PinyinUtil.class);
	/**
	 * 通过汉字获得拼音字母
	 * 
	 * @param src
	 *            汉字串
	 * @return
	 */
	public static String getPingYin(String src) {
		char[] t1 = null;
		t1 = src.toCharArray();
		String[] t2 = new String[t1.length];
		HanyuPinyinOutputFormat t3 = new HanyuPinyinOutputFormat();
		t3.setCaseType(HanyuPinyinCaseType.LOWERCASE);
		t3.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
		t3.setVCharType(HanyuPinyinVCharType.WITH_V);
		String t4 = "";
		int t0 = t1.length;
		try {
			for (int i = 0; i < t0; i++) {
				// 判断是否为汉字字符
				if (java.lang.Character.toString(t1[i]).matches(
						"[\\u4E00-\\u9FA5]+")) {
					t2 = PinyinHelper.toHanyuPinyinStringArray(t1[i], t3);
					t4 += t2[0];
				} else
					t4 += java.lang.Character.toString(t1[i]);
			}
			return t4;
		} catch (BadHanyuPinyinOutputFormatCombination e1) {
			log.error(e1);
		}
		return t4;
	}

	/**
	 * 返回中文的首字母
	 * 
	 * @param str
	 *            汉字
	 * @return
	 */
	public static String getPinYinHeadChar(String str) {
		String convert = "";
		for (int j = 0; j < str.length(); j++) {
			char word = str.charAt(j);
			String[] pinyinArray = PinyinHelper.toHanyuPinyinStringArray(word);
			if (pinyinArray != null) {
				convert += pinyinArray[0].charAt(0);
			} else {
				convert += word;
			}
		}

		return convert.toUpperCase();
	}

	/**
	 * 将字符串转移为ASCII码
	 * 
	 * @param cnStr cnStr
	 * @return
	 */
	public static String getCnASCII(String cnStr) {
		StringBuffer strBuf = new StringBuffer();
		byte[] bGBK = cnStr.getBytes();
		for (int i = 0; i < bGBK.length; i++) {
			strBuf.append(Integer.toHexString(bGBK[i] & 0xff));
		}
		return strBuf.toString();
	}

	/**
	 * 生成业务代码的前缀，根据不同名称及当前日期生成业务代码前缀。
	 * 
	 * @param cnStr cnStr
	 * @return
	 */
	public static String generateCode4Prefix(String cnStr) {
		StringBuffer number = new StringBuffer();
		number.append(Hanzi2PinyinUtil.getPinYinHeadChar(cnStr));
		number.append(DateUtil.getNowDateString("yyyyMM"));
		return number.toString();
	}

}