java漢字轉拼音以及得到首字母通用方法

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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;
/**

拼音工具類

@author lsf
*/
public class PingYinUtil {
 /**

將字符串中的中文轉化為拼音,其他字符不變

@param inputString
@return
*/
public static String getPingYin(String inputString) {
 HanyuPinyinOutputFormat format = new HanyuPinyinOutputFormat();
 format.setCaseType(HanyuPinyinCaseType.LOWERCASE);
 format.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
 format.setVCharType(HanyuPinyinVCharType.WITH_V);
char[] input = inputString.trim().toCharArray();
 String output = "";
try {

 for (int i = 0; i < input.length; i++) {
     if (java.lang.Character.toString(input[i]).matches("[\\u4E00-\\u9FA5]+")) {
         String[] temp = PinyinHelper.toHanyuPinyinStringArray(input[i], format);
         output += temp[0];
     } else
         output += java.lang.Character.toString(input[i]);
 }

} catch (BadHanyuPinyinOutputFormatCombination e) {

 e.printStackTrace();

}
 return output;
}
/**

獲取漢字串拼音首字母，英文字符不變  
@param chinese 漢字串  
@return 漢語拼音首字母

*/

public static String getFirstSpell(String chinese) {   
 StringBuffer pybf = new StringBuffer();   
 char[] arr = chinese.toCharArray();   
 HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();   
 defaultFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);   
 defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);   
 for (int i = 0; i < arr.length; i++) {   
         if (arr[i] > 128) {   
                 try {   
                         String[] temp = PinyinHelper.toHanyuPinyinStringArray(arr[i], defaultFormat);   
                         if (temp != null) {   
                                 pybf.append(temp[0].charAt(0));   
                         }   
                 } catch (BadHanyuPinyinOutputFormatCombination e) {   
                         e.printStackTrace();   
                 }   
         } else {   
                 pybf.append(arr[i]);   
         }   
 }   
 return pybf.toString().replaceAll("\\W", "").trim();   

}

/**  
獲取漢字串拼音，英文字符不變  
@param chinese 漢字串  
@return 漢語拼音

*/

public static String getFullSpell(String chinese) {   
 StringBuffer pybf = new StringBuffer();   
 char[] arr = chinese.toCharArray();   
 HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();   
 defaultFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);   
 defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);   
 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();   

}

}  </pre>