select 下拉列表內容按拼音排序
今天客戶提出一個需求:就是讓下拉框的內容按拼音排序,本人就從網上找了一個例子,也已經驗證通過,故分享一下!
首先在網上下載一個:pinyin4j-2.5.0.jar的jar包,
然後新建一個CompareNamePinyin類:
package util;
import java.util.Comparator;
import net.sourceforge.pinyin4j.PinyinHelper;
import cn.com.picc.innerControl.commonModle.domain.ComDepartment;
public class CompareNamePinyin implements Comparator<Object>{
public int compare(Object obj1, Object obj2) {
ComDepartment dept1 = (ComDepartment)obj1;
ComDepartment dept2 = (ComDepartment)obj2;
String o1 = dept1.getDeptName();
String o2 = dept2.getDeptName();
for (int i = 0; i < o1.length() && i < o2.length(); i++) {
char c1 = o1.charAt(i);
char c2 = o2.charAt(i);
String pinyin1 = pinyin(c1);
String pinyin2 = pinyin(c2);
if (pinyin1 != null && pinyin2 != null) {
if (!pinyin1.equals(pinyin2)) {
return pinyin1.compareTo(pinyin2);
}
} else {
if (c1 != c2) {
return c1 - c2;
}
}
}
return o1.length() - o2.length();
}
private String pinyin(char c) {
//返回該字的漢語拼音數字,如“王”字返回:[wang2, wang4]
// 說明該字有兩種讀法,分別為wang2,第二聲,wang4,第四聲
String[] a = PinyinHelper.toHanyuPinyinStringArray(c);
if (a == null){
return null;
}
return a[0];
}
}
最後呼叫此方法就行:
//查詢出所有總公司下的部門 並按照拼音排序
tbDepartmentList = comDepartmentService.findSubComDepartmentList("2012062522193606093v1j8","1");
Collections.sort(tbDepartmentList, new CompareNamePinyin());