java 将汉字转换为全拼及返回中文的首字母

package com.tjp.test;

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 CnToSpell {
// 将汉字转换为全拼
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]);
}
// System.out.println(t4);
return t4;
} catch (BadHanyuPinyinOutputFormatCombination e1) {
e1.printStackTrace();
}
return t4;
}

// 返回中文的首字母
public static String getPinYinHeadChar(String str) {
String temp = "";
String demo = "";
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;
}
}
for(int i=0;i<convert.length();i++){//convert目前为小写首字母,下面是将小写首字母转化为大写
if(convert.charAt(i)>='a' && convert.charAt(i)<='z'){
temp=convert.substring(i,i+1).toUpperCase();
demo += temp;
}
}
return demo;
}

// 将字符串转移为ASCII码
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 = "中华人民共和国";
System.out.println(getPingYin(cnStr));
System.out.println(getPinYinHeadChar(cnStr));
}

}