import net.sourceforge.tess4j.ITesseract; //导入依赖的package包/类
public static void main(String[] args) {
    ITesseract instance = new Tesseract();
    instance.setLanguage("eng");
    try {
        String result;
        result = instance.doOCR(new File("OCRExample.png"));
        System.out.println(result);
    } catch (TesseractException e) {
        System.err.println(e.getMessage());
    }
}
 

import net.sourceforge.tess4j.ITesseract; //导入依赖的package包/类
public static String fileToString(File imageFile) throws TesseractException {
    ITesseract instance = new Tesseract();
    instance.setDatapath("");
    instance.setLanguage("eng");


    return instance.doOCR(imageFile);


}