Merge remote-tracking branch 'origin/binlog' into binlog

linwe

2024-09-03 764d883b5ea3bdc06abbec548b6df0511e567978

 src/main/java/org/springblade/modules/test4j/Test4jController.java

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package org.springblade.modules.test4j;

import io.swagger.annotations.Api;
import lombok.AllArgsConstructor;
import net.sourceforge.tess4j.ITesseract;
import net.sourceforge.tess4j.Tesseract;
import net.sourceforge.tess4j.TesseractException;
import org.springblade.core.tool.api.R;
import org.springblade.modules.test4j.util.Test4jUtil;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import javax.imageio.ImageIO;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

@RestController
@AllArgsConstructor
@RequestMapping("/test4j")
@Api(value = "图片智能识别", tags = "图片智能识别")
public class Test4jController {

   @PostMapping("/read-id")
   public R readText(@RequestParam("file") MultipartFile file) {
      try {
         BufferedImage grayscaleImage = grayscale(ImageIO.read(file.getInputStream()));
         String text = recognizeText(grayscaleImage);
         return R.data(text);
      } catch (IOException e) {
         e.printStackTrace();
         return null;
      }
   }

   public BufferedImage grayscale(BufferedImage image) {
      int width = image.getWidth();
      int height = image.getHeight();
      BufferedImage result = new BufferedImage(width, height, BufferedImage.TYPE_BYTE_GRAY);
      Graphics g = result.getGraphics();
      g.drawImage(image, 0, 0, null);
      g.dispose();
      return result;
   }

   public String recognizeText(BufferedImage image) {
      ITesseract tesseract = new Tesseract();
      // 设置Tesseract的路径
      tesseract.setDatapath("F:\\test4jdata");
      // 设置为中文简体
      tesseract.setLanguage("chi_sim");
      try {
         return tesseract.doOCR(image);
      } catch (TesseractException e) {
         e.printStackTrace();
         return null;
      }
   }
}