java 汉字转换为拼音

前端输入中文汉字，保存汉字字母。

maven导入：

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

代码：

import net.sourceforge.pinyin4j.PinyinHelper;

/**
 * @ClassName: WordToPinYinUtil
 * @Description: 汉字转换为拼音
 * @Author: vdi100
 * @Date: 2018/6/23
 * @Version: 1.0
 */
public final class WordToPinYinUtil {

    /**
    * @Description:    汉字转换为拼音
    * @Author:         vdi100
    * @CreateDate:     2018/6/23
    * @Version:        1.0
    */
    public static String ToPinyin(String chinese){
        String pinyinStr = "";
        char[] newChar = chinese.toCharArray();
        HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();
        defaultFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);
        defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
        for (int i = 0; i < newChar.length; i++) {
            if (newChar[i] > 128) {
                try {
                    pinyinStr += PinyinHelper.toHanyuPinyinStringArray(newChar[i], defaultFormat)[0];
                } catch (BadHanyuPinyinOutputFormatCombination e) {
                    e.printStackTrace();
                }
            }else{
                pinyinStr += newChar[i];
            }
        }
        return pinyinStr;
    }
    /**
    * @Description:    汉字转换为拼音首字母
    * @Author:         vdi100
    * @CreateDate:     2018/6/23
    * @Version:        1.0
    */
    public static String ToFirstChar(String str){
        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;
            }
        }
        return convert;
    }
}