本文章向大家介绍利用java怎么编写一个中文转拼音工具类的基本知识点总结和需要注意事项，具有一定的参考价值，需要的朋友可以参考一下。
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具体内容如下
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.regex.PatternSyntaxException;
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;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class PinyinUtil {
public static String getPinyin(String paramString) {
return getPinyinZh_CN(convertStringByChinese(paramString));
}
public static String getPinyinToUpperCase(String paramString) {
return getPinyinZh_CN(convertStringByChinese(paramString)).toUpperCase();
}
public static String getPinyinToLowerCase(String paramString) {
return getPinyinZh_CN(convertStringByChinese(paramString)).toLowerCase();
}
public static String getPinyinFirstToUpperCase(String paramString) {
return getPinyin(paramString);
}
private static HanyuPinyinOutputFormat getDefaultFormat() {
HanyuPinyinOutputFormat localHanyuPinyinOutputFormat = new HanyuPinyinOutputFormat();
localHanyuPinyinOutputFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);
localHanyuPinyinOutputFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
localHanyuPinyinOutputFormat.setVCharType(HanyuPinyinVCharType.WITH_U_AND_COLON);
return localHanyuPinyinOutputFormat;
}
private static Set convertStringByChinese(String paramString) {
char[] arrayOfChar1 = paramString.toCharArray();
if ((paramString != null) && (!paramString.trim().equalsIgnoreCase(""))) {
char[] arrayOfChar2 = paramString.toCharArray();
String[][] arrayOfString = new String[paramString.length()][];
for (int i = 0; i < arrayOfChar2.length; i++) {
char c = arrayOfChar2[i];
if ((String.valueOf(c).matches("[\\u4E00-\\u9FA5]+")) || (String.valueOf(c).matches("[\\u3007]"))) {
try {
arrayOfString[i] = PinyinHelper.toHanyuPinyinStringArray(arrayOfChar1[i], getDefaultFormat());
} catch (BadHanyuPinyinOutputFormatCombination localBadHanyuPinyinOutputFormatCombination) {
localBadHanyuPinyinOutputFormatCombination.printStackTrace();
}
} else {
arrayOfString[i] = new String[] { String.valueOf(arrayOfChar2[i]) };
}
}
String[] arrayOfString1 = exchange(arrayOfString);
HashSet localHashSet = new HashSet();
for (int j = 0; j < arrayOfString1.length; j++) {
localHashSet.add(arrayOfString1[j]);
}
return localHashSet;
}
return null;
}
private static String[] exchange(String[][] paramArrayOfString) {
String[][] arrayOfString = doExchange(paramArrayOfString);
return arrayOfString[0];
}
private static String[][] doExchange(String[][] paramArrayOfString) {
int i = paramArrayOfString.length;
if (i >= 2) {
int j = paramArrayOfString[0].length;
int k = paramArrayOfString[1].length;
int m = j * k;
String[] arrayOfString = new String[m];
int n = 0;
for (int i1 = 0; i1 < j; i1++) {
for (int i2 = 0; i2 < k; i2++) {
arrayOfString[n] = (capitalize(paramArrayOfString[0][i1]) + capitalize(paramArrayOfString[1][i2]));
n++;
}
}
String[][] arrayOfString1 = new String[i - 1][];
for (int i2 = 2; i2 < i; i2++) {
arrayOfString1[(i2 - 1)] = paramArrayOfString[i2];
}
arrayOfString1[0] = arrayOfString;
return doExchange(arrayOfString1);
}
return paramArrayOfString;
}
private static String capitalize(String paramString) {
char[] arrayOfChar = paramString.toCharArray();
if ((arrayOfChar != null) && (arrayOfChar.length > 0) && (arrayOfChar[0] >= 'a') && (arrayOfChar[0] <= 'z')) {
arrayOfChar[0] = ((char) (arrayOfChar[0] - ' '));
}
return new String(arrayOfChar);
}
private static String getPinyinZh_CN(Set paramSet) {
StringBuilder localStringBuilder = new StringBuilder();
int i = 0;
Iterator localIterator = paramSet.iterator();
while (localIterator.hasNext()) {
String str = (String) localIterator.next();
if (i == paramSet.size() - 1) {
localStringBuilder.append(str);
} else {
localStringBuilder.append(str + ",");
}
i++;
}
return localStringBuilder.toString();
}
public static String getPinYinHeadChar(String paramString) {
StringBuffer localStringBuffer = new StringBuffer();
if ((paramString != null) && (!paramString.trim().equalsIgnoreCase(""))) {
for (int i = 0; i < paramString.length(); i++) {
char c = paramString.charAt(i);
String[] arrayOfString = PinyinHelper.toHanyuPinyinStringArray(c);
if (arrayOfString != null) {
localStringBuffer.append(arrayOfString[0].charAt(0));
} else {
localStringBuffer.append(c);
}
}
}
return localStringBuffer.toString();
}
public static String strFilter(String paramString) throws PatternSyntaxException {
String str = "[`~!@#$%^&*()+=|{}':;',\\[\\].<>/?~！@#￥%……&*（）——+|{}【】‘；：”“'。，、？\"]";
Pattern localPattern = Pattern.compile(str);
Matcher localMatcher = localPattern.matcher(paramString);
return localMatcher.replaceAll("").trim();
}
public static String getPinYinHeadCharFilter(String paramString) {
return strFilter(getPinYinHeadChar(paramString));
}
public static void main(String[] paramArrayOfString) {
Logger localLogger = LoggerFactory.getLogger(PinyinUtil.class);
String str = "〇的输￥￥#s，ldsa";
localLogger.info("小写输出：" + getPinyinToLowerCase(str));
localLogger.info("大写输出：" + getPinyinToUpperCase(str));
localLogger.info("首字母大写输出：" + getPinyinFirstToUpperCase(str));
localLogger.info("返回中文的首字母输出：" + getPinYinHeadChar(str));
localLogger.info("返回中文的首字母并过滤特殊字符输出：" + getPinYinHeadCharFilter(str));
}
} 以上就是小编为大家带来的利用java怎么编写一个中文转拼音工具类的全部内容了，希望大家多多支持创新互联！
