java 获取汉字首字母 工具类

package com.app.wii.util;

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 Pinyin {

/**
* 得到 全拼
*
* @param src
* @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) {
e1.printStackTrace();
}
return t4;
}

/**
* 得到中文首字母
*
* @param str
* @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;
}

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

public static void main(String[] args) {

String cnStr = "11";
System.out.println(getPingYin(cnStr));
System.out.println(getPinYinHeadChar(cnStr));
}

}