Merge remote-tracking branch 'origin/0.8.X' into 0.8.X

klp-wms/src/main/java/com/klp/controller/Application.java

@@ -8,7 +8,12 @@ import javax.imageio.ImageIO;
 import java.awt.*;
 import java.awt.image.BufferedImage;
 import java.io.File;
+import java.io.FileNotFoundException;
 import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
+import java.nio.file.Files;
+import java.nio.file.StandardCopyOption;
 
 public class Application {
 
@@ -19,21 +24,27 @@ public class Application {
     public static void main(String[] args) {
         try {
             // 获取本地图片
-            File file = new File("D:\\桌面\\照片\\11.png");
+            // File file = new File("D:\\test.png");
 
-            if (!file.exists()) {
-                System.err.println("图片文件不存在: " + file.getAbsolutePath());
-                return;
-            }
+            String imageUrl = "http://47.117.71.33:11296/api/v1/buckets/fadapp-update/objects/download?preview=true&prefix=%E5%BE%AE%E4%BF%A1%E5%9B%BE%E7%89%87_20250731172707.png&version_id=null";
+            // 读取网络图片为 BufferedImage
+            URL url = new URL(imageUrl);
+            InputStream inputStream = url.openStream();
+            BufferedImage image = ImageIO.read(inputStream);
+            inputStream.close();
+            // 预处理图片
+            BufferedImage bufferedImage = preprocessImage(image);
 
             System.out.println("开始OCR识别...");
-            System.out.println("图片路径: " + file.getAbsolutePath());
 
             // 创建Tesseract对象
             ITesseract tesseract = new Tesseract();
 
-            // 设置字体库路径
-            tesseract.setDatapath("D:\\front");
+            // 设置字体库路径（绝对路径）
+            tesseract.setDatapath("D:\\tessdata");
+
+/*            File tessdataDir = exportTessdataToTemp(); // 从 classpath 复制到临时目录
+            tesseract.setDatapath(tessdataDir.getAbsolutePath());*/
 
             // 设置语言简体中文
             tesseract.setLanguage("chi_sim");
@@ -43,7 +54,7 @@ public class Application {
             tesseract.setOcrEngineMode(3); // 使用默认引擎
 
             // 执行OCR识别图片
-            String result = tesseract.doOCR(file);
+            String result = tesseract.doOCR(bufferedImage);
 
             System.out.println("\n=== 原始识别结果 ===");
             System.out.println(result);
@@ -147,4 +158,43 @@ public class Application {
             System.err.println("图片预处理失败: " + e.getMessage());
         }
     }
+
+    /**
+     * 灰度化图像（直接处理 BufferedImage）
+     * @param image 原始图片
+     * @return 灰度图
+     */
+    private static BufferedImage preprocessImage(BufferedImage image) {
+        BufferedImage grayImage = new BufferedImage(
+            image.getWidth(), image.getHeight(), BufferedImage.TYPE_BYTE_GRAY);
+
+        Graphics2D g2d = grayImage.createGraphics();
+        g2d.drawImage(image, 0, 0, null);
+        g2d.dispose();
+
+        return grayImage;
+    }
+
+    public static File exportTessdataToTemp() throws IOException {
+        String[] languageFiles = {"chi_sim.traineddata","chi_sim_vert.traineddata"};
+        // 明确指定临时目录路径（避免路径分隔符问题）
+        File tempTessdataDir = new File(System.getProperty("java.io.tmpdir"), "tessdata");
+        if (!tempTessdataDir.exists()) {
+            tempTessdataDir.mkdirs();
+        }
+
+        ClassLoader classLoader = Application.class.getClassLoader();
+        for (String filename : languageFiles) {
+            // 使用正确的资源路径（注意开头的/）
+            try (InputStream in = classLoader.getResourceAsStream("\\tessdata\\" + filename)) {
+                if (in == null) {
+                    throw new FileNotFoundException("语言包未找到: /tessdata/" + filename);
+                }
+                File outFile = new File(tempTessdataDir, filename);
+                Files.copy(in, outFile.toPath(), StandardCopyOption.REPLACE_EXISTING);
+            }
+        }
+        return tempTessdataDir; // 返回的是 tessdata 目录本身
+    }
+
 }