来源于jeecg开源项目，里面有很多值得学习的地方，
博客地址：http://blog.csdn.net/blogdevteam/article/details/8534797
pinyin4j汉字以及pinyin之间转换，以及常用的一些操作，像去pinyin中的首字母以及大小写
import java.util.HashSet;
import java.util.Set;
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;
/**
* java汉字转拼音操作工具类
*/
public class PinyinUtil {
/**
* 将字符串转换成拼音数组
* @param src
* @return
*/
public static String[] stringToPinyin(String src) {
return stringToPinyin(src, false, null);
}
/**
* 将字符串转换成拼音数组
* @param src
* @return
*/
public static String[] stringToPinyin(String src, String separator) {
return stringToPinyin(src, true, separator);
}
/**
* 将字符串转换成拼音数组
* @param src
* @param isPolyphone
* 是否查出多音字的所有拼音
* @param separator
* 多音字拼音之间的分隔符
* @return
*/
public static String[] stringToPinyin(String src, boolean isPolyphone,
String separator) {
// 判断字符串是否为空
if ("".equals(src) || null == src) {
return null;
}
char[] srcChar = src.toCharArray();
int srcCount = srcChar.length;
String[] srcStr = new String[srcCount];
for (int i = 0; i < srcCount; i++) {
srcStr[i] = charToPinyin(srcChar[i], isPolyphone, separator);
}
return srcStr;
}
/**
* 将单个字符转换成拼音
* @param src
* @return
*/
public static String charToPinyin(char src, boolean isPolyphone,String separator) {
// 创建汉语拼音处理类
HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();
// 输出设置，大小写，音标方式
defaultFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);
defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
StringBuffer tempPinying = new StringBuffer();
// 如果是中文
if (src > 128) {
try {
// 转换得出结果
String[] strs = PinyinHelper.toHanyuPinyinStringArray(src,defaultFormat);
// 是否查出多音字，默认是查出多音字的第一个字符
if (isPolyphone && null != separator) {
for (int i = 0; i < strs.length; i++) {
tempPinying.append(strs[i]);
if (strs.length != (i + 1)) {
// 多音字之间用特殊符号间隔起来
tempPinying.append(separator);
}
}
} else {
tempPinying.append(strs[0]);
}
} catch (BadHanyuPinyinOutputFormatCombination e) {
e.printStackTrace();
}
} else {
tempPinying.append(src);
}
return tempPinying.toString();
}
public static String hanziToPinyin(String hanzi) {
return hanziToPinyin(hanzi, " ");
}
/**
* 将汉字转换成拼音
* @param hanzi
* @param separator
* @return
*/
@SuppressWarnings("deprecation")
public static String hanziToPinyin(String hanzi, String separator) {
// 创建汉语拼音处理类
HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();
// 输出设置，大小写，音标方式
defaultFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);
defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
String pinyingStr = "";
try {
pinyingStr = PinyinHelper.toHanyuPinyinString(hanzi, defaultFormat,separator);
} catch (BadHanyuPinyinOutputFormatCombination e) {
e.printStackTrace();
}
return pinyingStr;
}
/**
* 将字符串数组转换成字符串
* @param str
* @param separator
* 各个字符串之间的分隔符
* @return
*/
public static String stringArrayToString(String[] str, String separator) {
StringBuffer sb = new StringBuffer();
for (int i = 0; i < str.length; i++) {
sb.append(str[i]);
if (str.length != (i + 1)) {
sb.append(separator);
}
}
return sb.toString();
}
/**
* 简单的将各个字符数组之间连接起来
* @param str
* @return
*/
public static String stringArrayToString(String[] str) {
return stringArrayToString(str, "");
}
/**
* 将字符数组转换成字符串
* @param str
* @param separator
* 各个字符串之间的分隔符
* @return
*/
public static String charArrayToString(char[] ch, String separator) {
StringBuffer sb = new StringBuffer();
for (int i = 0; i < ch.length; i++) {
sb.append(ch[i]);
if (ch.length != (i + 1)) {
sb.append(separator);
}
}
return sb.toString();
}
/**
* 将字符数组转换成字符串
* @param str
* @return
*/
public static String charArrayToString(char[] ch) {
return charArrayToString(ch, " ");
}
/**
* 取汉字的首字母
* @param src
* @param isCapital
* 是否是大写
* @return
*/
public static char[] getHeadByChar(char src, boolean isCapital) {
// 如果不是汉字直接返回
if (src <= 128) {
return new char[] { src };
}
// 获取所有的拼音
String[] pinyingStr = PinyinHelper.toHanyuPinyinStringArray(src);
// 创建返回对象
int polyphoneSize = pinyingStr.length;
char[] headChars = new char[polyphoneSize];
int i = 0;
// 截取首字符
for (String s : pinyingStr) {
char headChar = s.charAt(0);
// 首字母是否大写，默认是小写
if (isCapital) {
headChars[i] = Character.toUpperCase(headChar);
} else {
headChars[i] = headChar;
}
i++;
}
return headChars;
}
/**
* 取汉字的首字母(默认是大写)
* @param src
* @return
*/
public static char[] getHeadByChar(char src) {
return getHeadByChar(src, true);
}
/**
* 查找字符串首字母
* @param src
* @return
*/
public static String[] getHeadByString(String src) {
return getHeadByString(src, true);
}
/**
* 查找字符串首字母
* @param src
* @param isCapital
* 是否大写
* @return
*/
public static String[] getHeadByString(String src, boolean isCapital) {
return getHeadByString(src, isCapital, null);
}
/**
* 查找字符串首字母
* @param src
* @param isCapital
* 是否大写
* @param separator
* 分隔符
* @return
*/
public static String[] getHeadByString(String src, boolean isCapital,String separator) {
char[] chars = src.toCharArray();
String[] headString = new String[chars.length];
int i = 0;
for (char ch : chars) {
char[] chs = getHeadByChar(ch, isCapital);
StringBuffer sb = new StringBuffer();
if (null != separator) {
int j = 1;
for (char ch1 : chs) {
sb.append(ch1);
if (j != chs.length) {
sb.append(separator);
}
j++;
}
} else {
sb.append(chs[0]);
}
headString[i] = sb.toString();
i++;
}
return headString;
}
/**
* 将汉字转换为全拼
* @param src
* @return String
*/
public static String getPinYin(String src) {
char[] t1 = null;
t1 = src.toCharArray();
String[] t2 = new String[t1.length];
// 设置汉字拼音输出的格式
HanyuPinyinOutputFormat t3 = new HanyuPinyinOutputFormat();
t3.setCaseType(HanyuPinyinCaseType.LOWERCASE);
t3.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
t3.setVCharType(HanyuPinyinVCharType.WITH_V);
String t4 = "";
int t0 = t1.length;
try {
for (int i = 0; i < t0; i++) {
// 判断能否为汉字字符
if (Character.toString(t1[i]).matches("[\\u4E00-\\u9FA5]+")) {
t2 = PinyinHelper.toHanyuPinyinStringArray(t1[i], t3);// 将汉字的几种全拼都存到t2数组中
t4 += t2[0];// 取出该汉字全拼的第一种读音并连接到字符串t4后
} else {
// 如果不是汉字字符，间接取出字符并连接到字符串t4后
t4 += Character.toString(t1[i]);
}
}
} catch (BadHanyuPinyinOutputFormatCombination e) {
e.printStackTrace();
}
return t4;
}
/**
* 提取每个汉字的首字母
* @param str
* @return String
*/
public static String getPinYinHeadChar(String str) {
String 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;
}
/**
* 将字符串转换成ASCII码
* @param cnStr
* @return String
*/
public static String getCnASCII(String cnStr) {
StringBuffer strBuf = new StringBuffer();
// 将字符串转换成字节序列
byte[] bGBK = cnStr.getBytes();
for (int i = 0; i < bGBK.length; i++) {
// org.jeecgframework.core.util.LogUtil.info(Integer.toHexString(bGBK[i] & 0xff));
// 将每个字符转换成ASCII码
strBuf.append(Integer.toHexString(bGBK[i] & 0xff));
}
return strBuf.toString();
}
/**
* 汉字转换位汉语拼音首字母，英文字符不变
* @param chines
* 汉字
* @return 拼音
*/
public static String converterToFirstSpell(String chines) {
String pinyinName = "";
char[] nameChar = chines.toCharArray();
HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();
defaultFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);
defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
for (int i = 0; i < nameChar.length; i++) {
if (nameChar[i] > 128) {
try {
pinyinName += PinyinHelper.toHanyuPinyinStringArray(
nameChar[i], defaultFormat)[0].charAt(0);
} catch (BadHanyuPinyinOutputFormatCombination e) {
e.printStackTrace();
}
} else {
pinyinName += nameChar[i];
}
}
return pinyinName;
}
/**
* 汉字转换位汉语拼音，英文字符不变
* @param chines
* 汉字
* @return 拼音
*/
public static String converterToSpell(String chines) {
String pinyinName = "";
char[] nameChar = chines.toCharArray();
HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();
defaultFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);
defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
for (int i = 0; i < nameChar.length; i++) {
if (nameChar[i] > 128) {
try {
pinyinName += PinyinHelper.toHanyuPinyinStringArray(
nameChar[i], defaultFormat)[0];
} catch (BadHanyuPinyinOutputFormatCombination e) {
e.printStackTrace();
}
} else {
pinyinName += nameChar[i];
}
}
return pinyinName;
}
/**
* 字符串集合转换字符串(逗号分隔)
* @author wyh
* @param stringSet
* @return
*/
public static String makeStringByStringSet(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().toLowerCase();
}
/**
* 获取拼音集合
* @author wyh
* @param src
* @return Set<String>
*/
public static Set<String> getPinyin(String src) {
if (src != null && !src.trim().equalsIgnoreCase("")) {
char[] srcChar;
srcChar = src.toCharArray();
// 汉语拼音格式输出类
HanyuPinyinOutputFormat hanYuPinOutputFormat = new HanyuPinyinOutputFormat();
// 输出设置，大小写，音标方式等
hanYuPinOutputFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);
hanYuPinOutputFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
hanYuPinOutputFormat.setVCharType(HanyuPinyinVCharType.WITH_V);
String[][] temp = new String[src.length()][];
for (int i = 0; i < srcChar.length; i++) {
char c = srcChar[i];
// 是中文或者a-z或者A-Z转换拼音(我的需求，是保留中文或者a-z或者A-Z)
if (String.valueOf(c).matches("[\\u4E00-\\u9FA5]+")) {
try {
temp[i] = PinyinHelper.toHanyuPinyinStringArray(
srcChar[i], hanYuPinOutputFormat);
} catch (BadHanyuPinyinOutputFormatCombination e) {
e.printStackTrace();
}
} else if (((int) c >= 65 && (int) c <= 90)|| ((int) c >= 97 && (int) c <= 122)) {
temp[i] = new String[] { String.valueOf(srcChar[i]) };
} else {
temp[i] = new String[] { "" };
}
}
String[] pingyinArray = Exchange(temp);
Set<String> pinyinSet = new HashSet<String>();
for (int i = 0; i < pingyinArray.length; i++) {
pinyinSet.add(pingyinArray[i]);
}
return pinyinSet;
}
return null;
}
/**
* 递归
* @author wyh
* @param strJaggedArray
* @return
*/
public static String[] Exchange(String[][] strJaggedArray) {
String[][] temp = DoExchange(strJaggedArray);
return temp[0];
}
/**
* 递归
* @author wyh
* @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] = strJaggedArray[0][i] + 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;
}
}
}