[二维码]识别二维码

dev-zxing/src/main/java/com/tykj/dev/device/zxing/controller/ZxingController.java

+package com.tykj.dev.device.zxing.controller;
+
+import com.google.zxing.NotFoundException;
+import com.tykj.dev.device.zxing.util.ZXingUtil;
+import com.tykj.dev.device.zxing.vo.ZxingFile;
+import com.tykj.dev.device.zxing.vo.ZxingTaskVo;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.multipart.MultipartFile;
+import java.io.IOException;
+
+/**
+ * DATE:2021-7-20
+ * Author:zsp
+ */
+@RestController
+@RequestMapping("/zxing")
+public class ZxingController {
+
+    @Autowired
+    private ZXingUtil zXingUtil;
+
+    @PostMapping("/decode")
+    public ZxingTaskVo decode(@RequestBody ZxingFile file) throws NotFoundException, IOException {
+        ZxingTaskVo taskVo = zXingUtil.decode(file.getFilePath());
+        return taskVo;
+    }
+
+}

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

@@ -52,7 +52,7 @@ public class ZXingUtil {
     /**
      * 解析二维码
      *
-     * @param file 文件名
+     * @param filePath 文件名
      * @return 二维码内容
      * @throws IOException
      * @throws NotFoundException
@@ -68,8 +68,8 @@ public class ZXingUtil {
 //        Result result = new MultiFormatReader().decode(bitmap, decodeHints);
 //        return result.getText();
 //    }
-    public ZxingTaskVo decode(MultipartFile file) throws IOException, com.google.zxing.NotFoundException {
-        BufferedImage bufferedImage = ImageIO.read(new FileInputStream((File)file));
+    public ZxingTaskVo decode(String filePath) throws IOException, com.google.zxing.NotFoundException {
+        BufferedImage bufferedImage = ImageIO.read(new FileInputStream(filePath));
         LuminanceSource source = new BufferedImageLuminanceSource(bufferedImage);
         Binarizer binarizer = new HybridBinarizer(source);
         BinaryBitmap bitmap = new BinaryBitmap(binarizer);
@@ -96,6 +96,7 @@ public class ZXingUtil {
         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);
         encodeHints.put(EncodeHintType.MARGIN, 0);
         BitMatrix bitMatrix = new MultiFormatWriter().encode(String.valueOf(taskId),
                 BarcodeFormat.QR_CODE, width, height, encodeHints);

dev-zxing/src/main/java/com/tykj/dev/device/zxing/vo/ZxingFile.java

+package com.tykj.dev.device.zxing.vo;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+/**
+ * DATE:2021-7-20
+ * Author:zsp
+ */
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class ZxingFile {
+    private String filePath;
+}