介绍
GitHub上的一个封装：
https://github.com/belerweb/pinyin4j
pinyin4J 是一个可以将汉字转换成拼音的lib，非常实用，其
提供的 PinyinHelper 这个静态类对外提供拼音转换的服务，主要用到以下两个方法：
static public String[] toHanyuPinyinStringArray(char ch) //将char(必须为汉字单字)转化为拼音，如果ch为非汉字，返回null
static public String[] toHanyuPinyinStringArray(char ch,HanyuPinyinOutputFormat outputFormat) //可以设置输出的格式
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static public String[] toHanyuPinyinStringArray(char ch) //将char(必须为汉字单字)转化为拼音，如果ch为非汉字，返回null
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static public String[] toHanyuPinyinStringArray(char ch,HanyuPinyinOutputFormat outputFormat) //可以设置输出的格式
测试
将字符转为拼音数组
char c='乾';
System.out.println(Arrays.toString(PinyinHelper.toHanyuPinyinStringArray(c)));//[qian2, gan1]
System.out.println(Arrays.toString(PinyinHelper.toGwoyeuRomatzyhStringArray(c)));//[chyan, gan]
System.out.println(Arrays.toString(PinyinHelper.toMPS2PinyinStringArray(c)));//[chian2, gan1]
System.out.println(Arrays.toString(PinyinHelper.toTongyongPinyinStringArray(c)));//[cian2, gan1]
System.out.println(Arrays.toString(PinyinHelper.toWadeGilesPinyinStringArray(c)));//[ch`ien2, kan1]
System.out.println(Arrays.toString(PinyinHelper.toYalePinyinStringArray(c)));//[chyan2, gan1]
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char c='乾';
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System.out.println(Arrays.toString(PinyinHelper.toHanyuPinyinStringArray(c)));//[qian2, gan1]
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System.out.println(Arrays.toString(PinyinHelper.toGwoyeuRomatzyhStringArray(c)));//[chyan, gan]
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System.out.println(Arrays.toString(PinyinHelper.toMPS2PinyinStringArray(c)));//[chian2, gan1]
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System.out.println(Arrays.toString(PinyinHelper.toTongyongPinyinStringArray(c)));//[cian2, gan1]
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System.out.println(Arrays.toString(PinyinHelper.toWadeGilesPinyinStringArray(c)));//[ch`ien2, kan1]
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System.out.println(Arrays.toString(PinyinHelper.toYalePinyinStringArray(c)));//[chyan2, gan1]
对于 乾 和 重 的拼音转换，以上方法分别得到的结果是：
汉语拼音：[qian2, gan1]，[zhong4, chong2]
国语罗马字：[chyan, gan]，[jonq, chorng]
注音符号拼音：[chian2, gan1]，[jung4, chung2]
通用拼音：[cian2, gan1]，[jhong4, chong2]
威妥玛拼音：[ch`ien2, kan1]，[chung4, ch`ung2]
耶魯拼音：[chyan2, gan1]，[jung4, chung2]
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汉语拼音：[qian2, gan1]，[zhong4, chong2]
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国语罗马字：[chyan, gan]，[jonq, chorng]
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注音符号拼音：[chian2, gan1]，[jung4, chung2]
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通用拼音：[cian2, gan1]，[jhong4, chong2]
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威妥玛拼音：[ch`ien2, kan1]，[chung4, ch`ung2]
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耶魯拼音：[chyan2, gan1]，[jung4, chung2]
拼音输出格式设置
HanyuPinyinOutputFormat format = new HanyuPinyinOutputFormat();
System.out.println(Arrays.toString(PinyinHelper.toHanyuPinyinStringArray(c, format)));
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HanyuPinyinOutputFormat format = new HanyuPinyinOutputFormat();
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System.out.println(Arrays.toString(PinyinHelper.toHanyuPinyinStringArray(c, format)));
设置大小写，默认 LOWERCASE
format.setCaseType(HanyuPinyinCaseType.UPPERCASE);//大小写，默认 LOWERCASEx
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format.setCaseType(HanyuPinyinCaseType.UPPERCASE);//大小写，默认 LOWERCASE
设置音调的样式：数字WITH_TONE_NUMBER，声调符WITH_TONE_MARK，无声调。默认 WITH_TONE_NUMBER
format.setToneType(HanyuPinyinToneType.WITHOUT_TONE);//音调的样式，默认 WITH_TONE_NUMBER
//[QIAN2, GAN1]，[QIÁN, GĀN]，[QIAN, GAN]
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format.setToneType(HanyuPinyinToneType.WITHOUT_TONE);//音调的样式，默认 WITH_TONE_NUMBER
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//[QIAN2, GAN1]，[QIÁN, GĀN]，[QIAN, GAN]
符合 V 的输出格式，使用U且带冒号WITH_U_AND_COLON，
使用U且上面带雨点WITH_U_UNICODE，
使用V符合WITH_V，默认 WITH_U_AND_COLON
format.setVCharType(HanyuPinyinVCharType.WITH_V);//符合 V 的输出格式，默认 WITH_U_AND_COLON
//[LU:, LU]，[LÜ, LU]，[LV, LU]
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format.setVCharType(HanyuPinyinVCharType.WITH_V);//符合 V 的输出格式，默认 WITH_U_AND_COLON
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//[LU:, LU]，[LÜ, LU]，[LV, LU]
字符串转拼音工具类
System.out.println(toPinYin("白乾涛"));//Bai2Qian2Tao1
System.out.println(getFirstPinYin("白乾涛"));//B
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System.out.println(toPinYin("白乾涛"));//Bai2Qian2Tao1
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System.out.println(getFirstPinYin("白乾涛"));//B
public class PinYinUtils {
public static String getFirstPinYin(String content) {
if (content == null || content.trim().length() == 0) {
return "#";
} else {
char firstChar = content.trim().charAt(0);
String[] array = PinyinHelper.toHanyuPinyinStringArray(firstChar);
return array == null || array.length == 0 || array[0] == null || array[0].length() == 0 ? "#" : (array[0].charAt(0) + "").toUpperCase();
}
}
public static String toPinYin(String content) {
return toPinYin(content, "", true, null);
}
/**
* 将content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
* 如： 明天 转换成 MINGTIAN
*
* @param content：要转化的汉字
* @param spera：转化结果的分割符
* @param firstUpperCase：是否首字母大写
* @param format：格式封装类
*/
public static String toPinYin(String content, String spera, boolean firstUpperCase, HanyuPinyinOutputFormat format) {
if (content == null || content.trim().length() == 0) {
return "";
}
if (spera == null) {
spera = "";
}
if (format == null) {
format = new HanyuPinyinOutputFormat();
}
StringBuilder pyBuilder = new StringBuilder();
String temp;
String[] pyArray = null;
for (int i = 0; i < content.length(); i++) {
char c = content.charAt(i);
if ((int) c <= 128) {
pyBuilder.append(c);
} else {
try {
pyArray = PinyinHelper.toHanyuPinyinStringArray(c, format);
} catch (BadHanyuPinyinOutputFormatCombination e) {
e.printStackTrace();
}
if (pyArray == null) {
pyBuilder.append(c);
} else {
temp = pyArray[0];
if (firstUpperCase) {
temp = pyArray[0].toUpperCase().charAt(0) + temp.substring(1);
}
pyBuilder.append(temp).append(i == content.length() - 1 ? "" : spera);
}
}
}
return pyBuilder.toString().trim();
}
}
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public class PinYinUtils {
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public static String getFirstPinYin(String content) {
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if (content == null || content.trim().length() == 0) {
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return "#";
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} else {
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char firstChar = content.trim().charAt(0);
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String[] array = PinyinHelper.toHanyuPinyinStringArray(firstChar);
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return array == null || array.length == 0 || array[0] == null || array[0].length() == 0 ? "#" : (array[0].charAt(0) + "").toUpperCase();
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}
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}
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public static String toPinYin(String content) {
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return toPinYin(content, "", true, null);
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}
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/**
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* 将content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
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* 如： 明天 转换成 MINGTIAN
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*
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* @param content：要转化的汉字
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* @param spera：转化结果的分割符
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* @param firstUpperCase：是否首字母大写
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* @param format：格式封装类
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*/
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public static String toPinYin(String content, String spera, boolean firstUpperCase, HanyuPinyinOutputFormat format) {
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if (content == null || content.trim().length() == 0) {
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return "";
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}
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if (spera == null) {
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spera = "";
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}
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if (format == null) {
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format = new HanyuPinyinOutputFormat();
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}
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StringBuilder pyBuilder = new StringBuilder();
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String temp;
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String[] pyArray = null;
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for (int i = 0; i < content.length(); i++) {
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char c = content.charAt(i);
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if ((int) c <= 128) {
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pyBuilder.append(c);
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} else {
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try {
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pyArray = PinyinHelper.toHanyuPinyinStringArray(c, format);
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} catch (BadHanyuPinyinOutputFormatCombination e) {
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e.printStackTrace();
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}
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if (pyArray == null) {
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pyBuilder.append(c);
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} else {
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temp = pyArray[0];
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if (firstUpperCase) {
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temp = pyArray[0].toUpperCase().charAt(0) + temp.substring(1);
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}
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pyBuilder.append(temp).append(i == content.length() - 1 ? "" : spera);
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}
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}
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}
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return pyBuilder.toString().trim();
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}
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}
2018-7-2