pinyin4j汉字以及pinyin之间转换

来源于jeecg开源项目，里面有很多值得学习的地方，

博客地址：http://blog.csdn.net/blogdevteam/article/details/8534797

pinyin4j汉字以及pinyin之间转换，以及常用的一些操作，像去pinyin中的首字母以及大小写

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;

/**
 * java汉字转拼音操作工具类
 */
public class PinyinUtil {

	/**
	* 将字符串转换成拼音数组
	* @param src
	* @return
	*/
	public static String[] stringToPinyin(String src) {
		return stringToPinyin(src, false, null);
	}

	/**
	* 将字符串转换成拼音数组
	* @param src
	* @return
	*/
	public static String[] stringToPinyin(String src, String separator) {
		return stringToPinyin(src, true, separator);
	}

	/**
	* 将字符串转换成拼音数组
	* @param src
	* @param isPolyphone
	*            是否查出多音字的所有拼音
	* @param separator
	*            多音字拼音之间的分隔符
	* @return
	*/
	public static String[] stringToPinyin(String src, boolean isPolyphone,
		String separator) {
		// 判断字符串是否为空
		if ("".equals(src) || null == src) {
			return null;
		}
		char[] srcChar = src.toCharArray();
		int srcCount = srcChar.length;
		String[] srcStr = new String[srcCount];
		for (int i = 0; i < srcCount; i++) {
			srcStr[i] = charToPinyin(srcChar[i], isPolyphone, separator);
		}
		return srcStr;
	}

	/**
	* 将单个字符转换成拼音
	* @param src
	* @return
	*/
	public static String charToPinyin(char src, boolean isPolyphone,String separator) {
		// 创建汉语拼音处理类
		HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();
		// 输出设置，大小写，音标方式
		defaultFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);
		defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
		StringBuffer tempPinying = new StringBuffer();
		// 如果是中文
		if (src > 128) {
			try {
				// 转换得出结果
				String[] strs = PinyinHelper.toHanyuPinyinStringArray(src,defaultFormat);
				// 是否查出多音字，默认是查出多音字的第一个字符
				if (isPolyphone && null != separator) {
					for (int i = 0; i < strs.length; i++) {
						tempPinying.append(strs[i]);
						if (strs.length != (i + 1)) {
							// 多音字之间用特殊符号间隔起来
							tempPinying.append(separator);
						}
					}
				} else {
					tempPinying.append(strs[0]);
				}
			} catch (BadHanyuPinyinOutputFormatCombination e) {
				e.printStackTrace();
			}
		} else {
			tempPinying.append(src);
		}
		return tempPinying.toString();
	}

	public static String hanziToPinyin(String hanzi) {
		return hanziToPinyin(hanzi, " ");
	}

	/**
	* 将汉字转换成拼音
	* @param hanzi
	* @param separator
	* @return
	*/
	@SuppressWarnings("deprecation")
	public static String hanziToPinyin(String hanzi, String separator) {
		// 创建汉语拼音处理类
		HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();
		// 输出设置，大小写，音标方式
		defaultFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);
		defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
		String pinyingStr = "";
		try {
			pinyingStr = PinyinHelper.toHanyuPinyinString(hanzi, defaultFormat,separator);
		} catch (BadHanyuPinyinOutputFormatCombination e) {
			e.printStackTrace();
		}
		return pinyingStr;
	}

	/**
	* 将字符串数组转换成字符串
	* @param str
	* @param separator
	*            各个字符串之间的分隔符
	* @return
	*/
	
	public static String stringArrayToString(String[] str, String separator) {
		StringBuffer sb = new StringBuffer();
		for (int i = 0; i < str.length; i++) {
			sb.append(str[i]);
			if (str.length != (i + 1)) {
				sb.append(separator);
			}
		}
		return sb.toString();
	}

	/**
	* 简单的将各个字符数组之间连接起来
	* @param str
	* @return
	*/
	public static String stringArrayToString(String[] str) {
		return stringArrayToString(str, "");
	}

	/**
	* 将字符数组转换成字符串
	* @param str
	* @param separator
	*            各个字符串之间的分隔符
	* @return
	*/

	public static String charArrayToString(char[] ch, String separator) {
		StringBuffer sb = new StringBuffer();
		for (int i = 0; i < ch.length; i++) {
			sb.append(ch[i]);
			if (ch.length != (i + 1)) {
				sb.append(separator);
			}
		}
		return sb.toString();
	}

	/**
	* 将字符数组转换成字符串
	* @param str
	* @return
	*/
	public static String charArrayToString(char[] ch) {
		return charArrayToString(ch, " ");
	}

	/**
	* 取汉字的首字母
	* @param src
	* @param isCapital
	*            是否是大写
	* @return
	*/
	public static char[] getHeadByChar(char src, boolean isCapital) {
		// 如果不是汉字直接返回
		if (src <= 128) {
			return new char[] { src };
		}
		// 获取所有的拼音
		String[] pinyingStr = PinyinHelper.toHanyuPinyinStringArray(src);
		// 创建返回对象
		int polyphoneSize = pinyingStr.length;
		char[] headChars = new char[polyphoneSize];
		int i = 0;
		// 截取首字符
		for (String s : pinyingStr) {
			char headChar = s.charAt(0);
			// 首字母是否大写，默认是小写
			if (isCapital) {
				headChars[i] = Character.toUpperCase(headChar);
			} else {
				headChars[i] = headChar;
			}
			i++;
		}
		return headChars;
	}

	/**
	* 取汉字的首字母(默认是大写)
	* @param src
	* @return
	*/

	public static char[] getHeadByChar(char src) {
		return getHeadByChar(src, true);
	}

	/**
	* 查找字符串首字母
	* @param src
	* @return
	*/
	public static String[] getHeadByString(String src) {
		return getHeadByString(src, true);
	}

	/**
	* 查找字符串首字母
	* @param src
	* @param isCapital
	*            是否大写
	* @return
	*/
	public static String[] getHeadByString(String src, boolean isCapital) {
		return getHeadByString(src, isCapital, null);
	}

	/**
	* 查找字符串首字母
	* @param src
	* @param isCapital
	*            是否大写
	* @param separator
	*            分隔符
	* @return
	*/
	public static String[] getHeadByString(String src, boolean isCapital,String separator) {	
		char[] chars = src.toCharArray();
		String[] headString = new String[chars.length];
		int i = 0;
		for (char ch : chars) {
			char[] chs = getHeadByChar(ch, isCapital);
			StringBuffer sb = new StringBuffer();
			if (null != separator) {
				int j = 1;
				for (char ch1 : chs) {
					sb.append(ch1);
					if (j != chs.length) {
						sb.append(separator);
					}
					j++;
				}
			} else {
				sb.append(chs[0]);
			}
			headString[i] = sb.toString();
			i++;
		}
		return headString;
	}

	/**
	* 将汉字转换为全拼
	* @param src
	* @return String
	*/
	public static String getPinYin(String src) {
		char[] t1 = null;
		t1 = src.toCharArray();
		String[] t2 = new String[t1.length];
		// 设置汉字拼音输出的格式
		HanyuPinyinOutputFormat t3 = new HanyuPinyinOutputFormat();
		t3.setCaseType(HanyuPinyinCaseType.LOWERCASE);
		t3.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
		t3.setVCharType(HanyuPinyinVCharType.WITH_V);
		String t4 = "";
		int t0 = t1.length;
		try {
			for (int i = 0; i < t0; i++) {
				// 判断能否为汉字字符
				if (Character.toString(t1[i]).matches("[\\u4E00-\\u9FA5]+")) {
					t2 = PinyinHelper.toHanyuPinyinStringArray(t1[i], t3);// 将汉字的几种全拼都存到t2数组中
					t4 += t2[0];// 取出该汉字全拼的第一种读音并连接到字符串t4后
				} else {
					// 如果不是汉字字符，间接取出字符并连接到字符串t4后
					t4 += Character.toString(t1[i]);
				}
			}
		} catch (BadHanyuPinyinOutputFormatCombination e) {
			e.printStackTrace();
		}
		return t4;
	}

	/**
	* 提取每个汉字的首字母
	* @param str
	* @return String
	*/
	public static String getPinYinHeadChar(String str) {
		String convert = "";
		for (int j = 0; j < str.length(); j++) {
			char word = str.charAt(j);
			// 提取汉字的首字母
			String[] pinyinArray = PinyinHelper.toHanyuPinyinStringArray(word);
			if (pinyinArray != null) {
				convert += pinyinArray[0].charAt(0);
			} else {
				convert += word;
			}
		}
		return convert;
	}

	/**
	* 将字符串转换成ASCII码
	* @param cnStr
	* @return String
	*/
	public static String getCnASCII(String cnStr) {
		StringBuffer strBuf = new StringBuffer();
		// 将字符串转换成字节序列
		byte[] bGBK = cnStr.getBytes();
		for (int i = 0; i < bGBK.length; i++) {
			// org.jeecgframework.core.util.LogUtil.info(Integer.toHexString(bGBK[i] & 0xff));
			// 将每个字符转换成ASCII码
			strBuf.append(Integer.toHexString(bGBK[i] & 0xff));
		}
		return strBuf.toString();
	}

	/**
	* 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.LOWERCASE);
		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) {
					e.printStackTrace();
				}
			} else {
				pinyinName += nameChar[i];
			}
		}
		return pinyinName;
	}

	/**
	* 汉字转换位汉语拼音，英文字符不变
	* @param chines
	*            汉字
	* @return 拼音
	*/
	public static String converterToSpell(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 {
					pinyinName += PinyinHelper.toHanyuPinyinStringArray(
					nameChar[i], defaultFormat)[0];
				} catch (BadHanyuPinyinOutputFormatCombination e) {
					e.printStackTrace();
				}
			} else {
				pinyinName += nameChar[i];
			}
		}
		return pinyinName;
	}

	/**
	* 字符串集合转换字符串(逗号分隔)
	* @author wyh
	* @param stringSet
	* @return
	*/
	public static String makeStringByStringSet(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().toLowerCase();
	}

	/**
	* 获取拼音集合
	* @author wyh
	* @param src
	* @return Set<String>
	*/
	public static Set<String> getPinyin(String src) {
		if (src != null && !src.trim().equalsIgnoreCase("")) {
		char[] srcChar;
		srcChar = src.toCharArray();
		// 汉语拼音格式输出类
		HanyuPinyinOutputFormat hanYuPinOutputFormat = new HanyuPinyinOutputFormat();

		// 输出设置，大小写，音标方式等
		hanYuPinOutputFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);
		hanYuPinOutputFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
		hanYuPinOutputFormat.setVCharType(HanyuPinyinVCharType.WITH_V);

		String[][] temp = new String[src.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(我的需求，是保留中文或者a-z或者A-Z)
			if (String.valueOf(c).matches("[\\u4E00-\\u9FA5]+")) {
				try {
					temp[i] = PinyinHelper.toHanyuPinyinStringArray(
					srcChar[i], hanYuPinOutputFormat);
				} 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> pinyinSet = new HashSet<String>();
		for (int i = 0; i < pingyinArray.length; i++) {
			pinyinSet.add(pingyinArray[i]);
		}
		return pinyinSet;
		}
		return null;
	}

	/**
	* 递归
	* @author wyh
	* @param strJaggedArray
	* @return
	*/
	public static String[] Exchange(String[][] strJaggedArray) {
		String[][] temp = DoExchange(strJaggedArray);
		return temp[0];
	}

	/**
	* 递归
	* @author wyh
	* @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] = strJaggedArray[0][i] + 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;
		}
	}
}