|  | @ -254,29 +254,4 @@ public class CommonUtil {
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															|  |         return fileUrls;
 |  |         return fileUrls;
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															|  |     }
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															|  |     /**
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															|  |      * 将上传的录音转为mp3格式
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															|  |      * @param sourcePath 文件的相对地址
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															|  |      */
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															|  |     public static void changeToMp3(String sourcePath, String targetPath) {
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															|  |         File source = new File(sourcePath);
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															|  |         File target = new File(targetPath);
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															|  |         AudioAttributes audio = new AudioAttributes();
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															|  |         Encoder encoder = new Encoder();
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															|  |         audio.setCodec("libmp3lame");
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															|  |         EncodingAttributes attrs = new EncodingAttributes();
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															|  |         attrs.setFormat("mp3");
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															|  |         attrs.setAudioAttributes(audio);
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															|  |         try {
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															|  |             encoder.encode(source, target, attrs);
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															|  |         } catch (IllegalArgumentException e) {
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															|  |             e.printStackTrace();
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															|  |         } catch (InputFormatException e) {
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															|  |             e.printStackTrace();
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															|  |         } catch (EncoderException e) {
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															|  |             e.printStackTrace();
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															|  |         }
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															|  |     }
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															|  | }
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