需求:汉字名称字段转换为汉语拼音字段,以支持拼音模糊搜索。
转汉语拼音实现:依赖 pinyin4j 相关 jar 包
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;
public class PinyinUtils {
/**
* 获得汉语拼音首字母
*
* @param chines
* 汉字
* @return
*/
public static String getAlpha(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 {
String[] temp = PinyinHelper.toHanyuPinyinStringArray(nameChar[i], defaultFormat);
if(temp.length>0) pinyinName += temp[0].charAt(0);
// pinyinName += PinyinHelper.toHanyuPinyinStringArray(
// nameChar[i], defaultFormat)[0].charAt(0);
} catch (BadHanyuPinyinOutputFormatCombination e) {
e.printStackTrace();
}
} else {
pinyinName += nameChar[i];
}
}
return pinyinName;
}
/**
* 将字符串中的中文转化为拼音,英文字符不变
*
* @param inputString
* 汉字
* @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 (inputString != null && inputString.length() > 0
&& !"null".equals(inputString)) {
char[] input = inputString.trim().toCharArray();
try {
for (int i = 0; i < input.length; i++) {
if (java.lang.Character.toString(input[i]).matches(
"[\u4E00-\u9FA5]+")) {
String[] temp = PinyinHelper.toHanyuPinyinStringArray(
input[i], format);
output += temp[0];
} else
output += java.lang.Character.toString(input[i]);
}
} catch (BadHanyuPinyinOutputFormatCombination e) {
e.printStackTrace();
}
} else {
return "*";
}
return output;
}
/**
* 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.UPPERCASE);
defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
for (int i = 0; i < nameChar.length; i++) {
if (nameChar[i] > 128) {
try {
String[] temp = PinyinHelper.toHanyuPinyinStringArray(nameChar[i], defaultFormat);
if(temp.length>0) pinyinName += temp[0].charAt(0);
} catch (BadHanyuPinyinOutputFormatCombination e) {
e.printStackTrace();
}
} else {
pinyinName += nameChar[i];
}
}
return pinyinName;
}
static public void main(String argv[]) {
String strs = PinyinUtils.getPingYin("新年好!Hello,新年大家都过得开心吧?哈哈,我是做Android开发哒,what's this?");
System.out.println(strs);
String strs1 = PinyinUtils.getAlpha("新年好!Hello,新年大家都过得开心吧?哈哈,我是做Android开发哒,what's this?");
System.out.println(strs1);
String strs2 = PinyinUtils.converterToFirstSpell("新年好!Hello,新年大家都过得开心吧?哈哈,我是做Android开发哒,what's this?");
System.out.println(strs2);
}
}