工具类"/>
Pinyin4j之Pinyin4jUtils工具类
介绍
Pinyin4j是一个流行的Java库,支持中文字符和拼音之间的转换,拼音输出格式可以定制。
Pinyin4jUtils工具类是进行包装,进行支持一一些转换方法
支持方法
输入一个字符串可以给我转成首字母返回给我
例如:颐和园
- 转换格式:全部大小YHY
- 转换格式:全部大写(中间加字符串*)Y*H*Y
- 转换格式:全部小写yhy
- 转换格式:全部小写(中间加字符串*)y*h*y
- 转换格式:返回首字母大写Y
- 转换格式:返回首字母小写y
使用方法
Pinyin4j pinyin4j = new Pinyin4j();
String first1 = pinyin4j.toPinYinUppercase("颐和园");
String first2 = pinyin4j.toPinYinUppercase("颐和园", "**");
String first3 = pinyin4j.toPinYinLowercase("颐和园");
String first4 = pinyin4j.toPinYinLowercase("颐和园","**");
String first5 = pinyin4j.toPinYinUppercaseInitials("颐和园");
String first6 = pinyin4j.toPinYinLowercaseInitials("颐和园");
System.out.println(first1); //输出结果:YHY
System.out.println(first2); //输出结果:Y**H**Y
System.out.println(first3); //输出结果:yhy
System.out.println(first4); //输出结果:y**h**y
System.out.println(first5); //输出结果:Y
System.out.println(first6); //输出结果:y
java工具类代码
import org.junit.Test;
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.exception.BadHanyuPinyinOutputFormatCombination;
/*** 汉字转换成拼音方法* @author 蔡龙*/public class Pinyin4j {HanyuPinyinOutputFormat format = null; public static enum Type { UPPERCASE, //全部大写 LOWERCASE, //全部小写 FIRSTUPPER //首字母大写} public Pinyin4j(){ format = new HanyuPinyinOutputFormat(); format.setCaseType(HanyuPinyinCaseType.UPPERCASE); format.setToneType(HanyuPinyinToneType.WITHOUT_TONE); } /*** 转换全部大写 * @param str 字符串* @return str为颐和园 ,return获取到的是YHY* @throws BadHanyuPinyinOutputFormatCombination*/public String toPinYinUppercase(String str) throws BadHanyuPinyinOutputFormatCombination{ return toPinYin(str, "", Type.UPPERCASE); } /*** 转换全部大写* @param str 字符串* @param spera 转换字母间隔加的字符串,如果不需要为""* @return str为颐和园 ,spera为** return获取到的是Y**H**Y* @throws BadHanyuPinyinOutputFormatCombination*/public String toPinYinUppercase(String str,String spera) throws BadHanyuPinyinOutputFormatCombination{ return toPinYin(str, spera, Type.UPPERCASE); } /*** 转换全部小写* @param str 字符串* @return str为颐和园 ,return获取到的是yhy* @throws BadHanyuPinyinOutputFormatCombination*/public String toPinYinLowercase(String str) throws BadHanyuPinyinOutputFormatCombination{ return toPinYin(str, "", Type.LOWERCASE); } /*** 转换全部小写* @param str 字符串* @param spera 转换字母间隔加的字符串,如果不需要为""* @return str为颐和园 ,spera为** return获取到的是y**h**y* @throws BadHanyuPinyinOutputFormatCombination*/public String toPinYinLowercase(String str,String spera) throws BadHanyuPinyinOutputFormatCombination{ return toPinYin(str, spera, Type.LOWERCASE); } /** * 获取拼音首字母(大写)* @param str 字符串* @return str为颐和园 ,return获取到的是Y* @throws BadHanyuPinyinOutputFormatCombination 异常信息*/ public String toPinYinUppercaseInitials(String str) throws BadHanyuPinyinOutputFormatCombination { String initials = null;String py = toPinYinUppercase(str); if(py.length()>1){initials = py.substring(0, 1);}if(py.length()<=1){initials = py;}return initials.trim(); } /** * 获取拼音首字母(小写)* @param str 字符串* @return str为颐和园 ,return获取到的是y* @throws BadHanyuPinyinOutputFormatCombination 异常信息*/ public String toPinYinLowercaseInitials(String str) throws BadHanyuPinyinOutputFormatCombination { String initials = null;String py = toPinYinLowercase(str); if(py.length()>1){initials = py.substring(0, 1);}if(py.length()<=1){initials = py;}return initials.trim(); } /** * 将str转换成拼音,如果不是汉字或者没有对应的拼音,则不作转换 * @param str 字符串* @param spera 默认,可为""* @param type 转换格式* @return 按照转换格式转换成字符串* @throws BadHanyuPinyinOutputFormatCombination 异常信息 */ public String toPinYin(String str, String spera, Type type) throws BadHanyuPinyinOutputFormatCombination { if(str == null || str.trim().length()==0) { return ""; }if(type == Type.UPPERCASE) { format.setCaseType(HanyuPinyinCaseType.UPPERCASE);} else{ format.setCaseType(HanyuPinyinCaseType.LOWERCASE);}String py = ""; String temp = ""; String[] t; for(int i=0;i<str.length();i++){ char c = str.charAt(i); if((int)c <= 128) {py += c; }else{ t = PinyinHelper.toHanyuPinyinStringArray(c, format); if(t == null) { py += c; }else{ temp = t[0]; if(type == Type.FIRSTUPPER) { temp = t[0].toUpperCase().charAt(0)+temp.substring(1); }if(temp.length()>=1){temp = temp.substring(0, 1);}py += temp+(i==str.length()-1?"":spera); } } } return py.trim(); }
}HanyuPinyinOutputFormat format = null; public static enum Type { UPPERCASE, //全部大写 LOWERCASE, //全部小写 FIRSTUPPER //首字母大写} public Pinyin4j(){ format = new HanyuPinyinOutputFormat(); format.setCaseType(HanyuPinyinCaseType.UPPERCASE); format.setToneType(HanyuPinyinToneType.WITHOUT_TONE); } /*** 转换全部大写 * @param str 字符串* @return str为颐和园 ,return获取到的是YHY* @throws BadHanyuPinyinOutputFormatCombination*/public String toPinYinUppercase(String str) throws BadHanyuPinyinOutputFormatCombination{ return toPinYin(str, "", Type.UPPERCASE); } /*** 转换全部大写* @param str 字符串* @param spera 转换字母间隔加的字符串,如果不需要为""* @return str为颐和园 ,spera为** return获取到的是Y**H**Y* @throws BadHanyuPinyinOutputFormatCombination*/public String toPinYinUppercase(String str,String spera) throws BadHanyuPinyinOutputFormatCombination{ return toPinYin(str, spera, Type.UPPERCASE); } /*** 转换全部小写* @param str 字符串* @return str为颐和园 ,return获取到的是yhy* @throws BadHanyuPinyinOutputFormatCombination*/public String toPinYinLowercase(String str) throws BadHanyuPinyinOutputFormatCombination{ return toPinYin(str, "", Type.LOWERCASE); } /*** 转换全部小写* @param str 字符串* @param spera 转换字母间隔加的字符串,如果不需要为""* @return str为颐和园 ,spera为** return获取到的是y**h**y* @throws BadHanyuPinyinOutputFormatCombination*/public String toPinYinLowercase(String str,String spera) throws BadHanyuPinyinOutputFormatCombination{ return toPinYin(str, spera, Type.LOWERCASE); } /** * 获取拼音首字母(大写)* @param str 字符串* @return str为颐和园 ,return获取到的是Y* @throws BadHanyuPinyinOutputFormatCombination 异常信息*/ public String toPinYinUppercaseInitials(String str) throws BadHanyuPinyinOutputFormatCombination { String initials = null;String py = toPinYinUppercase(str); if(py.length()>1){initials = py.substring(0, 1);}if(py.length()<=1){initials = py;}return initials.trim(); } /** * 获取拼音首字母(小写)* @param str 字符串* @return str为颐和园 ,return获取到的是y* @throws BadHanyuPinyinOutputFormatCombination 异常信息*/ public String toPinYinLowercaseInitials(String str) throws BadHanyuPinyinOutputFormatCombination { String initials = null;String py = toPinYinLowercase(str); if(py.length()>1){initials = py.substring(0, 1);}if(py.length()<=1){initials = py;}return initials.trim(); } /** * 将str转换成拼音,如果不是汉字或者没有对应的拼音,则不作转换 * @param str 字符串* @param spera 默认,可为""* @param type 转换格式* @return 按照转换格式转换成字符串* @throws BadHanyuPinyinOutputFormatCombination 异常信息 */ public String toPinYin(String str, String spera, Type type) throws BadHanyuPinyinOutputFormatCombination { if(str == null || str.trim().length()==0) { return ""; }if(type == Type.UPPERCASE) { format.setCaseType(HanyuPinyinCaseType.UPPERCASE);} else{ format.setCaseType(HanyuPinyinCaseType.LOWERCASE);}String py = ""; String temp = ""; String[] t; for(int i=0;i<str.length();i++){ char c = str.charAt(i); if((int)c <= 128) {py += c; }else{ t = PinyinHelper.toHanyuPinyinStringArray(c, format); if(t == null) { py += c; }else{ temp = t[0]; if(type == Type.FIRSTUPPER) { temp = t[0].toUpperCase().charAt(0)+temp.substring(1); }if(temp.length()>=1){temp = temp.substring(0, 1);}py += temp+(i==str.length()-1?"":spera); } } } return py.trim(); }
}
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