给定一个汉字句子，可以输出句子的读音。借鉴第三方库：pinyin4j 。

    <!-- https://mvnrepository.com/artifact/com.belerweb/pinyin4j  -->
  <dependency>
      <groupId>com.belerweb</groupId>
      <artifactId>pinyin4j</artifactId>
      <version>2.5.0</version>
  </dependency> 

package it.qijian.cn;
import net.sourceforge.pinyin4j.*;
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 chinasetopinyin {
  public static void main(String[] args) throws BadHanyuPinyinOutputFormatCombination {
    String chineseString = "中国加油，武汉加油!";
    HanyuPinyinOutputFormat format = new HanyuPinyinOutputFormat();
    /*
     * HanyuPinyinVCharType := WITH_U_AND_COLON 
       HanyuPinyinCaseType := LOWERCASE 
           HanyuPinyinToneType := WITH_TONE_NUMBER 
     */
    format.setCaseType(HanyuPinyinCaseType.LOWERCASE);
    /* 
    Options       Output
      WITH_TONE_NUMBER  da3 
      WITHOUT_TONE    da 
      WITH_TONE_MARK     d菐 
     */
    format.setToneType(HanyuPinyinToneType.WITH_TONE_MARK);
    /* 
    Options       Output
    WITH_U_AND_COLON  u: 
    WITH_V        v 
    WITH_U_UNICODE    眉  
     */
    format.setVCharType(HanyuPinyinVCharType.WITH_U_UNICODE); 
    /*
     * A class provides several utility functions to convert Chinese characters
     * (both Simplified and Tranditional) into various Chinese Romanizationrepresentations
     */
    String pinyinString = PinyinHelper.toHanyuPinyinString(chineseString, format," "); 
    System.out.println(chineseString);
    System.out.println(pinyinString); 
  }
}