有時,我們需要將中文漢字轉爲拼音存儲,例如用於檢索時,直接輸入拼音或者首字母也能檢索出我們想要的結果,這時我們便需要將漢字轉拼音
- 1、首先我們在 pom.xml 文件中引入需要的 maven 依賴
<!-- 漢字轉拼音 -->
<dependency>
<groupId>com.belerweb</groupId>
<artifactId>pinyin4j</artifactId>
<version>2.5.1</version>
</dependency>
- 2、漢字轉拼音工具類代碼如下 Pinyin4jUtil.java:
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;
/**
* 中文轉化爲拼音工具類
*
* @author lizhou
*
*/
public class Pinyin4jUtil {
/**
* 獲得漢語拼音首字母 大寫
*
* @param chines 漢字
* @return
*/
public static String getAlpha2UpperCase(String chines) {
String pinyinName = "";
char[] nameChar = chines.toCharArray();
HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();
defaultFormat.setCaseType(HanyuPinyinCaseType.UPPERCASE);
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) {
System.out.println("獲得漢語拼音首字母異常:}" + e.getMessage());
}
} else {
pinyinName += nameChar[i];
}
}
return pinyinName;
}
/**
* 將字符串中的中文轉化爲拼音,英文字符不變
*
* @param inputString 漢字
* @return
*/
public static String getPingYin(String inputString) {
HanyuPinyinOutputFormat format = new HanyuPinyinOutputFormat();
format.setCaseType(HanyuPinyinCaseType.LOWERCASE);
format.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
format.setVCharType(HanyuPinyinVCharType.WITH_V);
String output = "";
if (null != inputString && 0 < inputString.length() && !"null".equals(inputString)) {
char[] input = inputString.trim().toCharArray();
try {
for (int i = 0; i < input.length; i++) {
if (Character.toString(input[i]).matches("[\\u4E00-\\u9FA5]+")) {
String[] temp = PinyinHelper.toHanyuPinyinStringArray(input[i], format);
output += temp[0];
} else {
output += Character.toString(input[i]);
}
}
} catch (BadHanyuPinyinOutputFormatCombination e) {
System.out.println("將字符串中的中文轉化爲拼音,英文字符不變異常 :" + e.getMessage());
}
} else {
return "";
}
return output;
}
/**
* 漢字轉換位漢語拼音首字母,英文字符不變
*
* @param chines 漢字
* @return 拼音
*/
public static String converterToFirstSpell(String chines) {
String pinyinName = "";
char[] nameChar = chines.toCharArray();
HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();
defaultFormat.setCaseType(HanyuPinyinCaseType.UPPERCASE);
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) {
System.out.println("漢字轉換位漢語拼音首字母,英文字符不變異常 :" + e.getMessage());
}
} else {
pinyinName += nameChar[i];
}
}
return pinyinName;
}
/**
* 漢字轉換位漢語拼音首字母,英文字符不變(小寫)
*
* @param chines 漢字
* @return 拼音
*/
public static String converterToFirstSpellSmal(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 {
if (Character.toString(nameChar[i]).matches("[\\u4E00-\\u9FA5]+")) {
pinyinName += PinyinHelper.toHanyuPinyinStringArray(nameChar[i], defaultFormat)[0].charAt(0);
} else {
pinyinName += nameChar[i];
}
} catch (BadHanyuPinyinOutputFormatCombination e) {
System.out.println("漢字轉換位漢語拼音首字母,英文字符不變異常:" + e.getMessage());
}
} else {
pinyinName += nameChar[i];
}
}
return pinyinName;
}
}
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