[二维码]修改

dev-zxing/src/main/java/com/tykj/dev/device/zxing/util/ZXingUtil.java

@@ -5,6 +5,7 @@ import com.google.zxing.client.j2se.BufferedImageLuminanceSource;
 import com.google.zxing.client.j2se.MatrixToImageWriter;
 import com.google.zxing.common.BitMatrix;
 import com.google.zxing.common.HybridBinarizer;
+import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
 import com.tykj.dev.device.task.repository.TaskDao;
 import com.tykj.dev.device.task.service.TaskService;
 import com.tykj.dev.device.task.subject.bto.TaskBto;
@@ -42,9 +43,9 @@ public class ZXingUtil {
     /** 二维码上传位置 */
 //    private static String codePath = "src/";
     /** 二维码宽度 */
-    private static Integer width = 100;
+    private static Integer width = 50;
     /** 二维码高度 */
-    private static Integer height = 100;
+    private static Integer height = 50;
 
     @Autowired
     private TaskDao taskDao;
@@ -94,6 +95,8 @@ public class ZXingUtil {
     public static String encode(Integer taskId) throws WriterException, IOException {
         Map<EncodeHintType, Object> encodeHints = new HashMap<EncodeHintType, Object>();
         encodeHints.put(EncodeHintType.CHARACTER_SET, "UTF-8");
+        encodeHints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.M);
+        encodeHints.put(EncodeHintType.MARGIN, 0);
         BitMatrix bitMatrix = new MultiFormatWriter().encode(String.valueOf(taskId),
                 BarcodeFormat.QR_CODE, width, height, encodeHints);
         String filepath = ResourceUtils.getURL("classpath:").getPath() + UUID.randomUUID() + ".png";