修复linux地址路径截取

jyjz-system/jyjz-system-oa/src/main/java/cn/jyjz/xiaoyao/ocr/util/ImageUtils.java

@@ -19,7 +19,7 @@ public class ImageUtils {
         if(newWidth==null){
             newWidth=182;
         }
-        String directoryPath = inputImagePath.substring(0, inputImagePath.lastIndexOf("\\") + 1);
+        String directoryPath = inputImagePath.substring(0, inputImagePath.lastIndexOf("/") + 1);
         File inputFile = new File(inputImagePath);
         String outputImagePath = directoryPath+ "thumbnail_" + inputFile.getName();
         BufferedImage bufferedImage = Thumbnails.of(inputFile).scale(1).asBufferedImage();