本文实例为大家分享了java汉字转拼音工具类的具体代码，供大家参考，具体内容如下
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import com.google.common.base.Strings;
import net.sourceforge.pinyin4j.PinyinHelper;
import net.sourceforge.pinyin4j.format.HanyuPinyinOutputFormat;
import net.sourceforge.pinyin4j.format.HanyuPinyinToneType;
import net.sourceforge.pinyin4j.format.exception.BadHanyuPinyinOutputFormatCombination;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
import java.util.TreeSet;
public class PinyinUtils {
private static final Logger logger = LoggerFactory.getLogger(PinyinUtils.class);
/**
* 单字解析
*
* @param str first
* @return
*/
public static String[] convert(String str) {
String[] reslut = null;
HanyuPinyinOutputFormat hanyuPinyinOutputFormat = new HanyuPinyinOutputFormat();
hanyuPinyinOutputFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
try {
reslut = PinyinHelper.toHanyuPinyinStringArray(str.charAt(0), hanyuPinyinOutputFormat);
TreeSet<String> stringTreeSet = new TreeSet<>();
for (int i = 0; i < reslut.length; i++) {
if(reslut.length >=3) {
break;
}
stringTreeSet.add(reslut[i].replace("u:","v"));
}
reslut = new String[stringTreeSet.size()];
reslut = stringTreeSet.toArray(reslut);
} catch (BadHanyuPinyinOutputFormatCombination badHanyuPinyinOutputFormatCombination) {
badHanyuPinyinOutputFormatCombination.printStackTrace();
} catch (Exception e) {
logger.error("[convert]: ", e);
}
return reslut;
}
/**
* 词组解析(全写)
*
* @param chs
* @return
*/
public static String getSelling(String chs) {
return translate(chs, false);
}
/**
* 汉字转拼音
*
* @param chs
* @param acronym
* @return
*/
private static String translate(String chs, boolean acronym) {
StringBuffer buffer=new StringBuffer();
if (Strings.isNullOrEmpty(chs))
return "";
try {
List<List<String>> temps = new ArrayList<>();
int len = chs.length();
int len1 = 0;
for (int i = 0; i < len; i++) {
List<String> stringList = new ArrayList<>();
String key = chs.charAt(i) + "";
if (key.getBytes().length >= 2) {
String[] temp = convert(key);
if(temp.length == 0) {
continue;
}
if (temp == null) {
stringList.add("");
} else {
for (String v : temp) {
stringList.add(v);
}
}
} else {
stringList.add(key);
}
temps.add(stringList);
len1++;
}
List<List<String>> t = new ArrayList<>();
for (int i = 0; i < len1; i++) {
List<String> currentList = new ArrayList<>();
List<String> stringList = temps.get(i);
if (stringList != null) {
for (String s : stringList) {
if (acronym) {
s = s.charAt(0) + "";
}
if (i > 0) {
List<String> preList = t.get(i - 1);
if (preList != null) {
for (String s1 : preList) {
currentList.add(s1 + s);
}
}
}else{
currentList.add(s);
}
}
}
t.add(i, currentList);
}
if (t.size()>0){
List<String> currentList= t.get(t.size()-1);
if (currentList!=null){
for(String current : currentList){
buffer.append(current);
buffer.append("");
}
}
}
return buffer.toString();
} catch (Exception e) {
logger.error("[getSortLetters]: ", e);
return "";
}
}
/**
* 词组解析(缩写)
*
* @param chs
* @return
*/
public static String getSmallSelling(String chs) {
return translate(chs, true);
}
/**
* 获取首字母
*
* @return
*/
public static String getSortLetters(String pingyin) {
try {
String sortString = pingyin.substring(0, 1).toUpperCase(Locale.getDefault());
// 正则表达式，判断首字母是否是英文字母
if (sortString.matches("[A-Z]")) {
return sortString.toUpperCase(Locale.getDefault());
}
} catch (Exception e) {
logger.error("[getSortLetters]: ", e);
}
return "#";
}
public static void main(String [] args) {
PinyinUtils p = new PinyinUtils();
System.out.println(p.getSelling("单个"));
System.out.println(p.getSmallSelling("测试"));
}
}
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以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持快网idc。
原文链接：https://www.cnblogs.com/YuyuanNo1/p/8385332.html
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