数字化转型 · OCR 技术如何打破效率瓶颈？

import net.sourceforge.tess4j.ITesseract;
import net.sourceforge.tess4j.Tesseract;
import org.springframework.web.bind.annotation.*;

import java.io.File;
import java.io.IOException;
    
import com.tencentcloudapi.common.AbstractModel;

import com.tencentcloudapi.common.Credential;
import com.tencentcloudapi.common.profile.ClientProfile;
import com.tencentcloudapi.common.profile.HttpProfile;
import com.tencentcloudapi.common.exception.TencentCloudSDKException;
import com.tencentcloudapi.ocr.v20181119.OcrClient;
import com.tencentcloudapi.ocr.v20181119.models.*;

@RestController
@RequestMapping("/api/ocr")
public class OCRController {

    private ITesseract tesseract;

    public OCRController() {
        tesseract = new Tesseract();
        tesseract.setDatapath("tessdata"); // 设置Tesseract数据文件路径
    }

    @PostMapping("/recognize")
    public String recognizeText(@RequestParam("image") File image) {
        try {
            // 识别图像中的文本
            return doOCR(image);
        } catch (Exception e) {
            return "Error during OCR processing: " + e.getMessage();
        }
    }

    public String doOCR(File image) {
        try{
            // 实例化一个认证对象，入参需要传入腾讯云账户 SecretId 和 SecretKey，此处还需注意密钥对的保密
            // 代码泄露可能会导致 SecretId 和 SecretKey 泄露，并威胁账号下所有资源的安全性。以下代码示例仅供参考，建议采用更安全的方式来使用密钥，请参见：https://cloud.tencent.com/document/product/1278/85305
            // 密钥可前往官网控制台 https://console.cloud.tencent.com/cam/capi 进行获取
            Credential cred = new Credential("SecretId", "SecretKey");
            // 实例化一个http选项，可选的，没有特殊需求可以跳过
            HttpProfile httpProfile = new HttpProfile();
            httpProfile.setEndpoint("ocr.tencentcloudapi.com");
            // 实例化一个client选项，可选的，没有特殊需求可以跳过
            ClientProfile clientProfile = new ClientProfile();
            clientProfile.setHttpProfile(httpProfile);
            // 实例化要请求产品的client对象,clientProfile是可选的
            OcrClient client = new OcrClient(cred, "", clientProfile);
            // 实例化一个请求对象,每个接口都会对应一个request对象
            SmartStructuralOCRV2Request req = new SmartStructuralOCRV2Request();
            req.setImageUrl("ImageUrl ");
            req.setImageBase64("ImageBase64 ");
            req.setIsPdf(true);
            // 返回的resp是一个SmartStructuralOCRV2Response的实例，与请求对象对应
            SmartStructuralOCRV2Response resp = client.SmartStructuralOCRV2(req);
            // 输出json格式的字符串回包
            System.out.println(AbstractModel.toJsonString(resp));
            return AbstractModel.toJsonString(resp);
        } catch (TencentCloudSDKException e) {
            System.out.println(e.toString());
        }
    }
}

@RestController
@RequestMapping("/api/inventory")
public class InventoryController {

    @Autowired
    private InventoryService inventoryService;

    // 入库操作
    @PostMapping("/receiveProduct")
    public ResponseEntity<String> receiveProduct(@RequestBody Product product) {
        boolean isAdded = inventoryService.addProductToInventory(product);
        if (isAdded) {
            return ResponseEntity.ok("商品成功入库: " + product.getName());
        } else {
            return ResponseEntity.status(HttpStatus.BAD_REQUEST).body("商品入库失败");
        }
    }

    // 出库操作
    @PostMapping("/shipProduct")
    public ResponseEntity<String> shipProduct(@RequestBody Product product) {
        boolean isShipped = inventoryService.shipProduct(product);
        if (isShipped) {
            return ResponseEntity.ok("商品成功出库: " + product.getName());
        } else {
            return ResponseEntity.status(HttpStatus.BAD_REQUEST).body("商品出库失败");
        }
    }
}

public class Product {
    private String productId;
    private String name;
    private String description;
    private int quantity;
}

@RestController
@RequestMapping("/api/inbound")
public class InboundController {

    @Autowired
    private InventoryService inventoryService;

    // 扫描商品并入库
    @PostMapping("/scanInbound")
    public ResponseEntity<String> scanInbound(@RequestParam("imagePath") String imagePath) {
        String recognizedText = ocrService.recognizeProduct(imagePath);
        Product product = parseProductFromText(recognizedText);
        inventoryService.addProductToInventory(product);
        return ResponseEntity.ok("商品已入库: " + product.getName());
    }

    private Product parseProductFromText(String recognizedText) {
        // 从OCR文本中提取商品信息
        // 假设识别结果为JSON格式，实际情况可能会更复杂
        return new Product("12345", "Example Product", "Description", 100);
    }
}

@RestController
@RequestMapping("/api/outbound")
public class OutboundController {

    @Autowired
    private InventoryService inventoryService;

    // 扫描订单并出库
    @PostMapping("/scanOutbound")
    public ResponseEntity<String> scanOutbound(@RequestParam("imagePath") String imagePath) {
        String recognizedText = ocrService.recognizeProduct(imagePath);
        Product product = parseProductFromText(recognizedText);
        inventoryService.shipProduct(product);
        return ResponseEntity.ok("商品已出库: " + product.getName());
    }

    private Product parseProductFromText(String recognizedText) {
        // 从OCR文本中提取商品信息
        return new Product("12345", "Example Product", "Description", 100);
    }
}

@RestController
@RequestMapping("/api/shipping")
public class ShippingController {

    @Autowired
    private ShippingService shippingService;

    // 扫描运输单据并更新运输信息
    @PostMapping("/scanShipping")
    public ResponseEntity<String> scanShipping(@RequestParam("imagePath") String imagePath) {
        String recognizedText = ocrService.recognizeText(imagePath);
        ShippingInfo shippingInfo = parseShippingInfo(recognizedText);
        shippingService.update

ShippingStatus(shippingInfo);
        return ResponseEntity.ok("运输信息已更新: " + shippingInfo.getShippingId());
    }

    private ShippingInfo parseShippingInfo(String recognizedText) {
        // 假设从OCR文本中提取运输单据和车牌号
        return new ShippingInfo("Shipping123", "CarrierXYZ", "In Transit");
    }
}