个回答

• 田心枫

  2017-03-09 22:17:47

  package imooc.test;
  
  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;
  import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
  
  import javax.swing.border.Border;
  import java.io.File;
  import java.io.IOException;
  import java.nio.file.Path;
  import java.util.HashMap;
  
  /**
   * Created by junfeng on 17/3/9.
   */
  public class Code {
  
  
      public static void main(String[] args) {
          int width = 300;
          int height = 300;
  
          String format = "png";
          String content = "tangjunfeng.com";
  
          HashMap hints = new HashMap();
          hints.put(EncodeHintType.CHARACTER_SET,"utf-8");
          hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.M);
          hints.put(EncodeHintType.MARGIN,2);
  
  
          try {
              BitMatrix bitMatrix = new MultiFormatWriter().encode(content, BarcodeFormat.QR_CODE,width,height);
              Path file = new File("/Users/junfeng/Desktop/image.png").toPath();
              MatrixToImageWriter.writeToPath(bitMatrix,format,file);
  
          } catch (WriterException e) {
              e.printStackTrace();
          } catch (IOException e) {
              e.printStackTrace();
          }
  
  
      }
  
  
  
  
  }

  
  

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• 田心枫

  2017-03-09 21:29:22

  utf-8下面那行   level 后面应该是用M

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