Java汉字排序(汉字转拼音 pinyin4j)

package com.albert.pinyin;

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;

/**

 * 拼音工具类

 * 

 * @author WangXinghao

 * @createDate 2011-04-26

 */

public class PinyinUtil {

/**

* 将字符串转换成拼音数组

* 

* @param src

*            字符串

* @return 拼音数组

* @author WangXinghao

* @createDate 2011-04-26

*/

public static String[] stringToPinyin(String src) {

return stringToPinyin(src);

}

/**

* 将字符串转换成拼音数组

* 

* @param src

*            字符串

* @param separator

*            多音字拼音之间的分隔符

* @return 拼音数组

* @author WangXinghao

* @createDate 2011-04-26

*/

public static String[] StringToPinyin(String src, String separator) {

return stringToPinyin(src);

}

/**

* 将字符串转换成拼音数组

* 

* @param src

*            字符串

* @param isPolyphone

*            是否查处多音字的所有拼音

* @param separator

*            多音字拼音之间的分隔符

* @author WangXinghao

* @createDate 2011-04-26

* @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

* @param isPolyphone

* @param separator

* @author WangXinghao

* @createDate 2011-04-26

* @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

* @author WangXinghao

* @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) {

// TODO Auto-generated catch block

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

* @author WangXinghao

* @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

* @author WangXinghao

* @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

* @author WangXinghao

* @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

* @author WangXinghao

* @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

* @author WangXinghao

* @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

* @author WangXinghao

* @return

*/

public static char[] getHeadByChar(char src) {

return getHeadByChar(src, true);

}

/**

* 查找字符串首字母

* 

* @param src

* @author WangXinghao

* @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

* @author WangXinghao

* @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

* @author WangXinghao

* @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;

}

public static void main(String[] args) {

System.out.println(PinyinUtil.stringArrayToString(

getHeadByString("我的心肝爱上"), "-"));

}

}

package com.albert.test;

import java.util.ArrayList;

import java.util.Collections;

import java.util.Comparator;

import java.util.List;

import com.albert.bean.User;

import com.albert.pinyin.PinyinUtil;

/**

 * 测试拼音

 * 

 * @author WangXinghao

 * @createDate 2011-04-26

 */

public class PinyinUtilTest {

public static void main(String[] args) {

List<User> list = new ArrayList<User>();

User u = new User();

u.setName("张三");

u.setAge(21);

list.add(u);

u = new User();

u.setName("李四");

u.setAge(18);

list.add(u);

u = new User();

u.setName("王五");

u.setAge(25);

list.add(u);

u = new User();

u.setName("寒子");

u.setAge(89);

list.add(u);

for (User user : list) {

System.out.println(PinyinUtil.hanziToPinyin(user.getName()));

}

Collections.sort(list, new ToSort());// new ToSort() 根据需求定义排序

System.out.println("排序后！！！！！！！！！");

for (User user : list) {

System.out.println(PinyinUtil.hanziToPinyin(user.getName()));

}

}

}

class ToSort implements Comparator<User> {

public int compare(User o1, User o2) {

String s1 = PinyinUtil.hanziToPinyin(o1.getName());

String s2 = PinyinUtil.hanziToPinyin(o2.getName());

if (s1.compareTo(s2) > 0) {

return 1;

} else {

return -1;

}

}

}

Link: http://wangxinghaoaccp.blog.163.com/blog/static/115810236201132662353160/