package?zSave; import?java.io.File; import?java.io.IOException; import?java.nio.file.Path; import?java.util.HashMap; import?java.util.Map; import?com.google.zxing.BarcodeFormat; import?com.google.zxing.EncodeHintType; import?com.google.zxing.MultiFormatWriter; import?com.google.zxing.WriterException; import?com.google.zxing.client.j2se.MatrixToImageWriter; import?com.google.zxing.common.BitMatrix; public?class?ZxingQrCodeUtil?{ ? ??public?static?void?main(String[]?args)?throws?WriterException,?IOException?{ ??int?width=300;; ??String?contents="png"; ??int?height=300; ??String?format="http://baidu.com";//也可以寫中文 ??//定義二維碼參數 ??Map<EncodeHintType,Object>?hints=new?HashMap<EncodeHintType,Object>() ??hints.put(EncodeHintType.CHARACTER_SET,"utf-8"); ??? //錯誤行--->??BitMatrix?bitMatrix=new?MultiFormatWriter().encode(contents,?BarcodeFormat.QR_CODE,?width,?height,?hints);?? ?? ??File?file=new?File("E://QR_test."+format); ??Path?p=new?File("E://QR_test2."+format).toPath();/*?if?(!file.exists())?{???file.createNewFile();??}*/?MatrixToImageWriter.writeToPath(bitMatrix,?format,?p);?System.out.println("生成成功");?}?}上面是代碼，下面是錯誤信息：Exception in thread "main" java.lang.Error: Unresolved compilation problem:?at com.google.zxing.common.CharacterSetECI.getCharacterSetECIByName(CharacterSetECI.java:114)?at com.google.zxing.qrcode.encoder.Encoder.encode(Encoder.java:96)?at com.google.zxing.qrcode.QRCodeWriter.encode(QRCodeWriter.java:78)?at com.google.zxing.MultiFormatWriter.encode(MultiFormatWriter.java:102)?at zSave.ZxingQrCodeUtil.main(ZxingQrCodeUtil.java:40)我的encode()方法里的參數?BarcodeFormat.QR_CODE不能用，一用就出現上面的錯誤，是運行的時候出錯，查了但不知道具體解決辦法，說是語法錯誤???,這里請各位大神幫忙解答? 。