Java中汉字转换成拼音码！

package cn.itcast.crm.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.exception.BadHanyuPinyinOutputFormatCombination;

public class PingyinUtils {

/**
* 汉字转换为汉语拼音首字母，英文字符不变
* @param chines 汉字
* @return 拼音
*/
public static String converterToFirstSpell(String chines){
String pinyinName = "";

//转化为字符
char[] nameChar = chines.toCharArray();
//         for(int i=0;i<nameChar.length;i++){
//        	 System.out.println(nameChar[i]);
//         }

//汉语拼音格式输出类
HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();

//输出设置,大小写,音标方式等
defaultFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);
defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);

for (int i = 0; i < nameChar.length; i++) {
//如果是中文
if (nameChar[i] > 128) {
try {
pinyinName +=
PinyinHelper.toHanyuPinyinStringArray(nameChar[i], defaultFormat)[0].charAt(0);
} catch (BadHanyuPinyinOutputFormatCombination e) {
e.printStackTrace();
}
}else{//为英文字符
pinyinName += nameChar[i];
}
}
return pinyinName;
}

/**
* 汉字转换位汉语拼音，英文字符不变
* @param chines 汉字
* @return 拼音
*/
public static String converterToSpell(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 {
pinyinName += PinyinHelper.toHanyuPinyinStringArray(nameChar[i], defaultFormat)[0];
} catch (BadHanyuPinyinOutputFormatCombination e) {
e.printStackTrace();
}
}else{
pinyinName += nameChar[i];
}
}
return pinyinName;
}

public static void main(String[] args) {
System.out.println(converterToFirstSpell("北京长城有限公司"));
System.out.println(converterToSpell("欧阳锋"));
System.out.println(converterToFirstSpell("欧阳锋"));
}
}