java实现汉字转拼音

maven依赖

       <dependency>
            <groupId>com.belerweb</groupId>
            <artifactId>pinyin4j</artifactId>
            <version>2.5.0</version>
        </dependency>   

工具类

/**  
     * 得到 全拼  
     * @param str  
     * @return  
     */
    public static String getPingYin(String str) {
        char[] t1 = null;
        t1 = str.toCharArray();
        String[] t2 = new String[t1.length];
        HanyuPinyinOutputFormat t3 = new HanyuPinyinOutputFormat();
        t3.setCaseType(HanyuPinyinCaseType.UPPERCASE);
        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;
    }

    /**
     * 汉字转简拼
     * @param str
     * @return String
     */
    public static String getPinYinHeadChar(String str) {
        String convert = "";
        if (str== null || str.length()==0) {
            return convert;
        }
        for (int j = 0; j < str.length(); j++) {
            char word = str.charAt(j);
           // 提取汉字的首字母
            String[] pinyinArray = PinyinHelper.toHanyuPinyinStringArray(word);
            if (pinyinArray != null) {
                convert += pinyinArray[0].charAt(0);
            } else {
                convert += word;
            }
        }
        return convert.toUpperCase();
    }