pinyin4j 中文转成拼音(支持多音字输出)

1. 引入maven依赖

<dependency>
	<groupId>net.sourceforge.pinyin4j</groupId>
	<artifactId>pinyin4j</artifactId>
	<version>2.5.0</version>
</dependency>

2. PinYin4j工具类及其使用

import java.util.HashSet;
import java.util.Set;

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 PinYin4jUtil {
	
	public static void main(String[] args) {
		String str = "张三";
		System.out.println("小写输出：" + getPinyinToLowerCase(str));
		System.out.println("大写输出：" + getPinyinToUpperCase(str));
		System.out.println("首字母大写输出：" + getPinyinFirstToUpperCase(str));
		System.out.println("简拼输出：" + getPinyinJianPin(str));
 
	}
	
    /*
	 * 获取汉字的拼音（默认输出）
	 * 
	 * @param chinese 汉字 如：中国
	 * @return 返回拼音 如：zhongguo
	 */
	public static String getPinyin(String chinese) {
		return getPinyinZh_CN(makeStringByStringSet(chinese));
	}
 
	/*
	 * 拼音大写输出
	 * 
	 * @param chinese
	 * @return
	 */
	public static String getPinyinToUpperCase(String chinese) {
		return getPinyinZh_CN(makeStringByStringSet(chinese)).toUpperCase();
	}
 
	/*
	 * 拼音小写输出
	 * 
	 * @param chinese
	 * @return
	 */
	public static String getPinyinToLowerCase(String chinese) {
		return getPinyinZh_CN(makeStringByStringSet(chinese)).toLowerCase();
	}
 
	/*
	 * 首字母大写输出
	 * 
	 * @param chinese
	 * @return
	 */
	public static String getPinyinFirstToUpperCase(String chinese) {
		return getPinyin(chinese);
	}
 
	/*
	 * 拼音简拼输出
	 * 
	 * @param chinese
	 * @return
	 */
	public static String getPinyinJianPin(String chinese) {
		return getPinyinConvertJianPin(getPinyin(chinese));
	}
 
	/*
	 * 字符集转换
	 * 
	 * @param chinese 中文汉字
	 * @throws BadHanyuPinyinOutputFormatCombination
	 */
	public static Set<String> makeStringByStringSet(String chinese) {
		char[] chars = chinese.toCharArray();
		if (chinese != null && !chinese.trim().equalsIgnoreCase("")) {
			char[] srcChar = chinese.toCharArray();
			String[][] temp = new String[chinese.length()][];
			for (int i = 0; i < srcChar.length; i++) {
				char c = srcChar[i];
 
				// 是中文或者a-z或者A-Z转换拼音
				if (String.valueOf(c).matches("[\\u4E00-\\u9FA5]+")) {
 
					try {
						temp[i] = PinyinHelper.toHanyuPinyinStringArray(
								chars[i], getDefaultOutputFormat());
 
					} catch (BadHanyuPinyinOutputFormatCombination e) {
						e.printStackTrace();
					}
				} else if (((int) c >= 65 && (int) c <= 90)
						|| ((int) c >= 97 && (int) c <= 122)) {
					temp[i] = new String[] { String.valueOf(srcChar[i]) };
				} else {
					temp[i] = new String[] { "" };
				}
			}
			String[] pingyinArray = exchange(temp);
			Set<String> zhongWenPinYin = new HashSet<String>();
			for (int i = 0; i < pingyinArray.length; i++) {
				zhongWenPinYin.add(pingyinArray[i]);
			}
			return zhongWenPinYin;
		}
		return null;
	}
 
	/*
	 * Default Format 默认输出格式
	 * 
	 * @version: Jan 13, 2012 9:35:51 AM
	 * @return
	 */
	public static HanyuPinyinOutputFormat getDefaultOutputFormat() {
		HanyuPinyinOutputFormat format = new HanyuPinyinOutputFormat();
		format.setCaseType(HanyuPinyinCaseType.LOWERCASE);// 小写
		format.setToneType(HanyuPinyinToneType.WITHOUT_TONE);// 没有音调数字
		format.setVCharType(HanyuPinyinVCharType.WITH_U_AND_COLON);// u显示
		return format;
	}
 
	/*
	 * 
	 * @param strJaggedArray
	 * @return
	 */
	public static String[] exchange(String[][] strJaggedArray) {
		String[][] temp = doExchange(strJaggedArray);
		return temp[0];
	}
 
	/*
	 * 
	 * @param strJaggedArray
	 * @return
	 */
	private static String[][] doExchange(String[][] strJaggedArray) {
		int len = strJaggedArray.length;
		if (len >= 2) {
			int len1 = strJaggedArray[0].length;
			int len2 = strJaggedArray[1].length;
			int newlen = len1 * len2;
			String[] temp = new String[newlen];
			int Index = 0;
			for (int i = 0; i < len1; i++) {
				for (int j = 0; j < len2; j++) {
					temp[Index] = capitalize(strJaggedArray[0][i])
							+ capitalize(strJaggedArray[1][j]);
					Index++;
				}
			}
			String[][] newArray = new String[len - 1][];
			for (int i = 2; i < len; i++) {
				newArray[i - 1] = strJaggedArray[i];
			}
			newArray[0] = temp;
			return doExchange(newArray);
		} else {
			return strJaggedArray;
		}
	}
 
	/*
	 * 首字母大写
	 * 
	 * @param s
	 * @return
	 */
	public static String capitalize(String s) {
		char ch[];
		ch = s.toCharArray();
		if (ch[0] >= 'a' && ch[0] <= 'z') {
			ch[0] = (char) (ch[0] - 32);
		}
		String newString = new String(ch);
		return newString;
	}
 
	/*
	 * 字符串集合转换字符串(逗号分隔)
	 * 
	 * @param stringSet
	 * @return
	 */
	public static String getPinyinZh_CN(Set<String> stringSet) {
		StringBuilder str = new StringBuilder();
		int i = 0;
		for (String s : stringSet) {
			if (i == stringSet.size() - 1) {
				str.append(s);
			} else {
				str.append(s + ",");
			}
			i++;
		}
		return str.toString();
	}
 
	/*
	 * 获取每个拼音的简称
	 * 
	 * @param chinese
	 * @return
	 */
	public static String getPinyinConvertJianPin(String chinese) {
		String[] strArray = chinese.split(",");
		String strChar = "";
		for (String str : strArray) {
			char arr[] = str.toCharArray(); // 将字符串转化成char型数组
			for (int i = 0; i < arr.length; i++) {
				if (arr[i] >= 65 && arr[i] < 91) { // 判断是否是大写字母
					strChar += new String(arr[i] + "");
				}
			}
			strChar += ",";
		}
		return strChar;
	}
}

运行结果：

参考：https://blog.youkuaiyun.com/jojo_wen/article/details/84128200
https://www.e-learn.cn/topic/2624707
https://blog.youkuaiyun.com/jojo_wen/article/details/84128200