中文、英文和中英文混合排序
对Search进行排序
SearchComparator.java中的实现方法compare已不能满足需要
其中涉及到中文、英文或者中英文混合排序，所以，这里使用开源的Pingyin 对起排序
SearchComparator.java调用sortListByType排序，其中调用了PinyinComparator
SearchComparator .java
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import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import com.clx.webmail.util.PinyinComparator;
?
public class SearchComparator implements Comparator<Search> {
?
?/**简单，不能用来对纯中文、纯英文或者中英文混合进行排序**/
?public int compare(Search s1, Search s2) {
??return s1.getSearchName().compareToIgnoreCase(s2.getSearchName());
?}?
?
?public List<Search> sortListByType(List<Search> list)
?{
??List engList=new ArrayList();
??List chaList=new ArrayList();
??if(list!=null&&list.size()>0)
??{
?? ?for(int i=0;i<list.size();i++)
?? ?{
?????? Search search=(Search)list.get(i);
?????? String name=search.getSearchName();
?????? /**
???????? ?*? 如果英文优先，则这里的IF条件为：
???????? ?*? isContainsHanyu(name.substring(0,1))&&isContainsHanyu(name)
?????????**/
????? if(isContainsHanyu(name))
???? ?{
?????????? chaList.add(search);
???? ?}
????? else
????? {
?????????? engList.add(search);
????? }
??? }
??}
??if(chaList.size()>0)
??{
?????? PinyinComparator pinyin=new PinyinComparator();
?????? Collections.sort(chaList,pinyin);
??}
??if(engList.size()>0)
??{
????? Collections.sort(engList,this);
??}
??list=new ArrayList();
??list=copy(list,engList);
??list=copy(list,chaList);
??return list;
?}
?
?//把一个集合中的元素复制到另一个集合中
?public List copy(List sourceList,List copyList)
?{
?? ?if(copyList!=null)
? ?{
????? for(int i=0;i<copyList.size();i++)
????? {
????????? sourceList.add(copyList.get(i));
????? }
???}
?? return sourceList;
?}
???
?
?//检查字符串是否包含中文
?public boolean isContainsHanyu(String str)
?{
??????? boolean flag=false;
??????? Pattern? pattern?? =?? Pattern.compile("[//u4E00-//u9FA5]+",Pattern.CANON_EQ);??
??????? Matcher? matcher?? =?? pattern.matcher(str);??
?????? if(matcher.find())??
?????? {??
????????? ? flag=true;
?????? }??
?
?????return flag;
??
?}
?
?
??? ?public static void main(String[] args)
??? {
?????? String s = "test测试";
?????? SearchComparator comparator=new SearchComparator();
????? ?comparator.isContainsHanyu(s);
?? }
?
?
}
?
?
?
PinyinComparator.java
?
?
import java.util.Arrays;
import java.util.Comparator;
import com.clx.webmail.models.Search;
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 PinyinComparator implements Comparator<Search>{
?
?public int compare(Search s1,Search s2) {
??String o1=s1.getSearchName();
??String o2=s2.getSearchName();
??for (int i = 0; i < o1.length() && i < o2.length(); i++) {
?
??????????? int codePoint1 = o1.charAt(i);
??????????? int codePoint2 = o2.charAt(i);
?
??????????? if (Character.isSupplementaryCodePoint(codePoint1)|| Character.isSupplementaryCodePoint(codePoint2)) {
??????????????? i++;
??????????? }
?
??????????? if (codePoint1 != codePoint2)
??????????? {
??????????????? if (Character.isSupplementaryCodePoint(codePoint1)|| Character.isSupplementaryCodePoint(codePoint2))
??????????????? {
??????????????????? return codePoint1 - codePoint2;
??????????????? }
??????????????? String pinyin1 = pinyin((char) codePoint1);
??????????????? String pinyin2 = pinyin((char) codePoint2);
??????????????? if (pinyin1 != null && pinyin2 != null)
??????????????? {
??????????????? ?// 两个字符都是汉字
??????????????????? if (!pinyin1.equals(pinyin2))
??????????????????? {
??????????????????????? return pinyin1.compareTo(pinyin2);
??????????????????? }
??????????????? }
??????????????? else
??????????????? {
??????????????????? return codePoint1 - codePoint2;
??????????????? }
??????????? }
?????}
????????
?????return? o1.length() -? o2.length();
}
?/**对中英文排序**/
??? private String pinyin(char c) {
??? ?
??? ?if(String.valueOf(c)==null||String.valueOf(c).length()==0)
??? ?{
??? ??return "";
??? ?}
??? ?
??? ?HanyuPinyinOutputFormat format = new? HanyuPinyinOutputFormat();
??? ?format.setCaseType(HanyuPinyinCaseType.LOWERCASE);???
??? ?format.setToneType(HanyuPinyinToneType.WITHOUT_TONE);????
??? ?format.setVCharType(HanyuPinyinVCharType.WITH_V);
??? ?String output="";
??? ?try
??? ?{??? ?????? ?
???? ? if (java.lang.Character.toString(c).matches("[//u4E00-//u9FA5]+"))
???? ? {??????????????????
???? ?? String[] temp = PinyinHelper.toHanyuPinyinStringArray(c,format);
???? ?? if(temp!=null&&temp.length>0)
???? ?? {
???? ??? output += temp[0];
???? ?? }
???? ? }
???? ? else
???? ? {
???? ?? output += java.lang.Character.toString(c);
???? ? }
??? ?}catch(BadHanyuPinyinOutputFormatCombination e)
??? ?{
??? ??e.printStackTrace();
??? ?}
??? ?
??? ?return output;??? ?
??? }???
??
}
?
此外，增加一个类，此类用来得到汉语拼音，可能在排序中也用得到
?
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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;
import java.io.UnsupportedEncodingException;
/**
* 拼音工具
*
* @author?zhouhang 2010-01-25
*/
public class PinyinToolkit {
??????? /**
???????? * 获取汉字串拼音首字母，英文字符不变
???????? *
???????? * @param chinese 汉字串
???????? * @return 汉语拼音首字母
???????? */
??????? public static String cn2FirstSpell(String chinese) {
??????????????? StringBuffer pybf = new StringBuffer();
??????????????? char[] arr = chinese.toCharArray();
??????????????? HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();
??????????????? defaultFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);
??????????????? defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
??????????????? defaultFormat.setVCharType(HanyuPinyinVCharType.WITH_V);
??????????????? for (int i = 0; i < arr.length; i++) {
??????????????????? if (arr[i] > 128)
??????????????????? {
??????????????????????? try {
??????????????????????????????? String[] _t = PinyinHelper.toHanyuPinyinStringArray(arr[i], defaultFormat);
??????????????????????????????? if (_t != null) {
????????????????????????????????????? pybf.append(_t[0].charAt(0));
??????????????????????????????? }
??????????????????????? } catch (BadHanyuPinyinOutputFormatCombination e) {
??????????????????????????????? e.printStackTrace();
??????????????????????? }
??????????????????? } else {
??????????????????????????? pybf.append(arr[i]);
??????????????????? }
??????????????? }
??????????????? return pybf.toString().replaceAll("//W", "").trim();
??????? }
??????? /**
???????? * 获取汉字串拼音，英文字符不变
???????? *
???????? * @param chinese 汉字串
???????? * @return 汉语拼音
???????? */
??????? public static String cn2Spell(String chinese) {
??????????????? StringBuffer pybf = new StringBuffer();
??????????????? char[] arr = chinese.toCharArray();
??????????????? HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();
??????????????? defaultFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);
??????????????? defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
??????????????? defaultFormat.setVCharType(HanyuPinyinVCharType.WITH_V);
??????????????? for (int i = 0; i < arr.length; i++) {
??????????????????? if (arr[i] > 128) {
??????????????????????? try {
??????????????????????????????? pybf.append(PinyinHelper.toHanyuPinyinStringArray(arr[i], defaultFormat)[0]);
??????????????????????? } catch (BadHanyuPinyinOutputFormatCombination e) {
??????????????????????????????? e.printStackTrace();
??????????????????????? }
??????????????????? } else {
??????????????????????????? pybf.append(arr[i]);
??????????????????? }
??????????????? }
??????????????? return pybf.toString();
??????? }
??????? public static void main(String[] args) throws UnsupportedEncodingException {
??????????????? String x = "嘅囧誰說壞學生來勼髮視頻裆児";
??????????????? System.out.println(cn2FirstSpell(x));
??????????????? System.out.println(cn2Spell(x));
??????? }
}
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转自: http://blog.csdn.net/shenzhen_mydream/article/details/5253048
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