PinyinUtil

import java.util.HashSet;
import java.util.Set;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.regex.PatternSyntaxException;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

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;

/**
* 拼音使用工具类 </br> 功能： 输入汉字取得拼音。 <br>
* 使用Pinyin4j.jar
*
*/
public class PinyinUtil {

/**
* 获取中文汉字拼音 默认输出
*
* @param chinese
* 中文汉字
* @return
*/
public static String getPinyin(String chinese) {
return getPinyinZh_CN(convertStringByChinese(chinese));
}

/**
* 拼音大写输出
*
* @param chinese
* 中文汉字
* @return
*/
public static String getPinyinToUpperCase(String chinese) {
return getPinyinZh_CN(convertStringByChinese(chinese)).toUpperCase();
}

/**
* 拼音小写输出
*
* @param chinese
* 中文汉字
* @return
*/
public static String getPinyinToLowerCase(String chinese) {
return getPinyinZh_CN(convertStringByChinese(chinese)).toLowerCase();
}

/**
* 首字母大写输出
*
* @param chinese
* 中文汉字
* @return
*/
public static String getPinyinFirstToUpperCase(String chinese) {
return getPinyin(chinese);
}

/**
* Default Format 默认输出格式 小或大写、 没有音调数字、u显示
*
* @param isLowerCase
* 是否小写
* @return
*/
private static HanyuPinyinOutputFormat getDefaultFormat() {
HanyuPinyinOutputFormat format = new HanyuPinyinOutputFormat();
format.setCaseType(HanyuPinyinCaseType.LOWERCASE);// 小写
format.setToneType(HanyuPinyinToneType.WITHOUT_TONE);// 没有音调数字
format.setVCharType(HanyuPinyinVCharType.WITH_U_AND_COLON);// u显示
return format;
}

/**
* 字符集转换
*
* @param chinese
* 中文汉字
* @throws BadHanyuPinyinOutputFormatCombination
*/
private static Set<String> convertStringByChinese(String chinese) {
char[] chars = chinese.toCharArray();
if (chinese != null && !chinese.trim().equalsIgnoreCase("")) {
char[] srcChar = chinese.toCharArray();
String[][] temp = new String[chinese.length()][];
for (int i = 0; i < srcChar.length; i++) {
char c = srcChar[i];
// 是中文（a-z、A-Z）转换拼音
if (String.valueOf(c).matches("[\u4E00-\u9FA5]+")
|| String.valueOf(c).matches("[\u3007]")) {
try {
temp[i] = PinyinHelper.toHanyuPinyinStringArray(chars[i], getDefaultFormat());

} catch (BadHanyuPinyinOutputFormatCombination e) {
e.printStackTrace();
}
} else {
temp[i] = new String[] { String.valueOf(srcChar[i]) };
}
}
String[] pingyinArray = exchange(temp);
Set<String> pinyin = new HashSet<String>();
for (int i = 0; i < pingyinArray.length; i++) {
pinyin.add(pingyinArray[i]);
}
return pinyin;
}
return null;
}

/**
* 递归
*
* @param strJaggedArray
* @return
*/
private static String[] exchange(String[][] strJaggedArray) {
String[][] temp = doExchange(strJaggedArray);
return temp[0];
}

/**
* 递归
*
* @param strJaggedArray
* @return
*/
private static String[][] doExchange(String[][] strJaggedArray) {
int len = strJaggedArray.length;
if (len >= 2) {
int len1 = strJaggedArray[0].length;
int len2 = strJaggedArray[1].length;
int newlen = len1 * len2;
String[] temp = new String[newlen];
int index = 0;
for (int i = 0; i < len1; i++) {
for (int j = 0; j < len2; j++) {
temp[index] = capitalize(strJaggedArray[0][i])
+ capitalize(strJaggedArray[1][j]);
index++;
}
}
String[][] newArray = new String[len - 1][];
for (int i = 2; i < len; i++) {
newArray[i - 1] = strJaggedArray[i];
}
newArray[0] = temp;
return doExchange(newArray);
} else {
return strJaggedArray;
}
}

/**
* 首字母大写
*
* @param s
* @return
*/
private static String capitalize(String s) {
char[] ch = s.toCharArray();
if (ch != null && ch.length > 0) {
if (ch[0] >= 'a' && ch[0] <= 'z')
ch[0] = (char) (ch[0] - 32);
}
return new String(ch);
}

/**
* 字符串集合转换字符串(逗号分隔)
*
* @param stringSet
* @return
*/
private static String getPinyinZh_CN(Set<String> stringSet) {
StringBuilder str = new StringBuilder();
int i = 0;
for (String s : stringSet) {
if (i == stringSet.size() - 1) {
str.append(s);
} else {
str.append(s + ",");
}
i++;
}
return str.toString();
}

/**
* 返回中文的首字母
*
* @param chinese
* @return
*/
public static String getPinYinHeadChar(String chinese) {
StringBuffer pinyin = new StringBuffer();
if (chinese != null && !chinese.trim().equalsIgnoreCase("")) {
for (int j = 0; j < chinese.length(); j++) {
char word = chinese.charAt(j);
String[] pinyinArray = PinyinHelper.toHanyuPinyinStringArray(word);
if (pinyinArray != null) {
pinyin.append(pinyinArray[0].charAt(0));
} else {
pinyin.append(word);
}
}
}
return pinyin.toString();
}

/**
* 去除特殊字符
* @param cnStr
* @return
*/
public static String strFilter(String str) throws PatternSyntaxException {
// 只允许字母和数字
// String regEx = "[^a-zA-Z0-9]";
// 清除掉所有特殊字符
String regEx="[`~!@#$%^&*()+=|{}':;',\[\].<>/?~！@#￥%……&*（）——+|{}【】‘；：”“’。，、？"]";
Pattern p = Pattern.compile(regEx);
Matcher m = p.matcher(str);
return m.replaceAll("").trim();
}

/**
* 返回中文的首字母并过滤特殊字符输出
* @param chinese
* @return
*/
public static String getPinYinHeadCharFilter(String chinese) {
return strFilter(getPinYinHeadChar(chinese));
}

/**
* Test 测试
*
* @param args
*/
public static void main(String[] args) throws Exception{
HanyuPinyinOutputFormat format = new HanyuPinyinOutputFormat();
// UPPERCASE：大写 (ZHONG)
// LOWERCASE：小写 (zhong)
format.setCaseType(HanyuPinyinCaseType.LOWERCASE);
// WITHOUT_TONE：无音标 (zhong)
// WITH_TONE_NUMBER：1-4数字表示英标 (zhong4)
// WITH_TONE_MARK：直接用音标符（必须WITH_U_UNICODE否则异常） (zhòng)
format.setToneType(HanyuPinyinToneType.WITH_TONE_MARK);
// WITH_V：用v表示ü (nv)
// WITH_U_AND_COLON：用"u:"表示ü (nu:)
// WITH_U_UNICODE：直接用ü (nü)
format.setVCharType(HanyuPinyinVCharType.WITH_U_UNICODE);

char word = '区';
String[] pinyinArray = PinyinHelper.toHanyuPinyinStringArray(word,format);
for(String e:pinyinArray){
System.out.println(e);//shou
}
// Logger logger = LoggerFactory.getLogger(PinyinUtil.class);
// logger.info(pinyinArray.toString() );
// String str = "〇的输￥￥#s，ldsa";
// logger.info("小写输出：" + getPinyinToLowerCase(str));
// logger.info("大写输出：" + getPinyinToUpperCase(str));
// logger.info("首字母大写输出：" + getPinyinFirstToUpperCase(str));
// logger.info("返回中文的首字母输出：" + getPinYinHeadChar(str));
// logger.info("返回中文的首字母并过滤特殊字符输出：" + getPinYinHeadCharFilter(str));

}

}