ChineseUtils.java

package cn.jfinalbbs.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.exception.BadHanyuPinyinOutputFormatCombination;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * 汉字的帮助类
 * Created by yahui on 2015/10/14.
 */
public class ChineseUtils {
    public static boolean isChineseChar(String str){
        boolean flag = false;
        Pattern p=Pattern.compile("[\u4e00-\u9fa5]");
        Matcher m=p.matcher(str);
        if(m.find()){
            flag =  true;
        }
        return flag;
    }
    public static void main(String[] str) throws BadHanyuPinyinOutputFormatCombination {
       System.out.print(String.valueOf('B').toLowerCase());
    }

    /**
     * 默认返回大写
     * @param chinese
     * @return
     * @throws BadHanyuPinyinOutputFormatCombination
     */
    public static String toPinyin(String chinese) throws BadHanyuPinyinOutputFormatCombination {
        final HanyuPinyinOutputFormat format = new HanyuPinyinOutputFormat();
        format.setCaseType(HanyuPinyinCaseType.LOWERCASE);
        format.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
        StringBuffer stringBuffer=new StringBuffer();
        if(StrUtil.notBlank(chinese)){
            char[] chars=chinese.toCharArray();
            for(char item:chars){
                boolean flag=ChineseUtils.isChineseChar(item+"");
                if(flag){
                    stringBuffer.append(PinyinHelper.toHanyuPinyinStringArray(item,format)[0]);
                }else{
                    stringBuffer.append(String.valueOf(item).toLowerCase());
                }
            }
        }
        return stringBuffer.toString();
    }
}