汉语转换拼音工具类

import net.sourceforge.pinyin4j.PinyinHelper; 
import net.sourceforge.pinyin4j.format.HanyuPinyinCaseType; 
import net.sourceforge.pinyin4j.format.HanyuPinyinOutputFormat; 
import net.sourceforge.pinyin4j.format.HanyuPinyinToneType;
public class PinyinUtil {
private static PinyinUtil instance; 
 
    public static PinyinUtil getInstance() { 
        if (instance == null) { 
            instance = new PinyinUtil(); 
        } 
        return instance; 
    } 
 
    private HanyuPinyinOutputFormat outputFormat = null; 
 
    private HanyuPinyinOutputFormat getOutputFormat() { 
        if (outputFormat == null) { 
            outputFormat = new HanyuPinyinOutputFormat(); 
            outputFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE); 
            outputFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE); 
        } 
        return outputFormat; 
    } 
 
    /**
     * 获取字符串中所有字符首字母
     * 
     * @param str
     * @return
     * @throws Exception
     */ 
    public String getStringInitial(String str) { 
        StringBuffer sbf = new StringBuffer(); 
        if (str != null) { 
            for (int i = 0; i < str.length(); i++) { 
                sbf.append(getCharInitial(str.charAt(i))); 
            } 
        } 
        return sbf.toString(); 
    } 
 
    /**
     * 获取中文字符首字母
     * 
     * @param c
     * @return
     * @throws Exception
     */ 
    public String getCharInitial(char c) { 
        try { 
            String[] strs = PinyinHelper.toHanyuPinyinStringArray(c, 
                    getOutputFormat()); 
            String initial = ""; 
            if (strs != null && strs.length > 0) { 
                String str = strs[0]; 
                if (str != null && str.length() > 0) { 
                    initial += str.charAt(0); 
                } 
            } 
            return initial; 
        } catch (Exception ex) { 
            ex.printStackTrace(); 
            return c + ""; 
        } 
    } 
 
    public String getStringPinyin(String chines) { 
 
        char[] nameChar = chines.toCharArray(); 
        String pinyinStr = ""; 
        for (int i = 0; i < nameChar.length; i++) { 
            try { 
                char cha=nameChar[i]; 
                if (nameChar[i] > 128) { 
                    pinyinStr += PinyinHelper.toHanyuPinyinStringArray(cha, getOutputFormat())[0]; 
                } 
            } catch (Exception ex) { 
                ex.printStackTrace(); 
                pinyinStr += nameChar[i]; 
            } 
        } 
        return pinyinStr; 
    } 
 
    /**
     * 获取字符全拼
     * 
     * @param c
     * @return
     */ 
    public String getCharPinyin(char c) { 
 
        try { 
            String[] strs = PinyinHelper.toHanyuPinyinStringArray(c, 
                    getOutputFormat()); 
            String str = ""; 
            if (strs != null && strs.length > 0) { 
                str = strs[0]; 
            } 
            return str; 
        } catch (Exception ex) { 
            ex.printStackTrace(); 
            return c + ""; 
        } 
    } 
 
    public static void main(String[] args) { 
 
        String charInitial = PinyinUtil.getInstance().getCharInitial('牌'); 
        System.out.println(charInitial); 
 
        String charPinyin = PinyinUtil.getInstance().getCharPinyin('牌'); 
        System.out.println(charPinyin); 
 
        String stringInitial = PinyinUtil.getInstance().getStringInitial("品牌"); 
        System.out.println(stringInitial); 
 
        String stringPinyin = PinyinUtil.getInstance().getStringPinyin("品牌"); 
        System.out.println(stringPinyin); 
       
        String test = PinyinUtil.getInstance().getStringInitial("校长测试品牌"); 
        System.out.println(test); 
 
    } 

}