java获得汉语首字母

package org.scbit.lsbi.scp.utils;

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;

/** 
* @ClassName: ChineseInitials 
* @Description: 获取汉字首字母
* @author mxf
* @date 2016年8月17日 下午3:15:05 
*
*/
public class ChineseInitials {

	public static String getPinYinHeadChar(String zn_str, int caseType) {  
        if(zn_str != null && !zn_str.trim().equalsIgnoreCase("")) {  
            char[] strChar = zn_str.toCharArray();  
            // 汉语拼音格式输出类  
            HanyuPinyinOutputFormat hanYuPinOutputFormat = new HanyuPinyinOutputFormat();  
            // 输出设置，大小写，音标方式等  
            if(1 == caseType) {  
                hanYuPinOutputFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);  
            } else {  
                hanYuPinOutputFormat.setCaseType(HanyuPinyinCaseType.UPPERCASE);  
            }  
            hanYuPinOutputFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);  
            hanYuPinOutputFormat.setVCharType(HanyuPinyinVCharType.WITH_V);  
            StringBuffer pyStringBuffer = new StringBuffer();  
            for(int i=0; i<strChar.length; i++) {  
                char c = strChar[i];  
                char pyc = strChar[i];  
                if(String.valueOf(c).matches("[\\u4E00-\\u9FA5]+")) {//是中文或者a-z或者A-Z转换拼音  
                    try {  
                        String[] pyStirngArray = PinyinHelper.toHanyuPinyinStringArray(strChar[i], hanYuPinOutputFormat);  
                        if(null != pyStirngArray && pyStirngArray[0]!=null) {  
                            pyc = pyStirngArray[0].charAt(0);  
                            pyStringBuffer.append(pyc);  
                        }  
                    } catch(BadHanyuPinyinOutputFormatCombination e) {  
                        e.printStackTrace();  
                    }  
                }  
            }  
            return pyStringBuffer.toString();  
        }  
        return null;  
    }  
	
	public static void main(String[] args) {
		 String cnStr = "刘菲菲";  
	        System.out.println(getPinYinHeadChar(cnStr, 1)); //输出lff  
	        System.out.println(getPinYinHeadChar(cnStr, 2)); //输出LFF 
	}
}

　　maven包：

　　　　　　　　　　<dependency>
			<groupId>com.belerweb</groupId>
			<artifactId>pinyin4j</artifactId>
			<version>2.5.0</version>
		</dependency>
		<dependency>
		    <groupId>com.hankcs</groupId>
		    <artifactId>hanlp</artifactId>
		    <version>portable-1.2.10</version>
		</dependency>