OCR web端 java

package servlet; import java.io.IOException; import javax.servlet.ServletConfig; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import util.FileUtil; import util.OCRUtil; import com.jspsmart.upload.File; import com.jspsmart.upload.SmartUpload; import com.jspsmart.upload.SmartUploadException; public class OCRServlet extends HttpServlet { public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setCharacterEncoding("gbk"); SmartUpload upload = new SmartUpload(); // JspFactory sf = JspFactory.getDefaultFactory(); // upload.initialize(sf.getPageContext(this, request, response, null, false, JspWriter.DEFAULT_BUFFER, true)); ServletConfig sc = this.getServletConfig(); upload.initialize(sc, request, response); File file = null; long size = 5*1024*1024; upload.setAllowedFilesList("gif,jpg,bmp,png"); upload.setMaxFileSize(size); upload.setCharset("GBK"); try { upload.upload(); file = upload.getFiles().getFile(0); String userPath = "upload\\"+request.getRemoteAddr().replaceAll("\\.", "")+"\\"; String svpath = userPath+file.getFileName(); if(!file.isMissing()){ String realPath = request.getRealPath("/"); FileUtil.creatPath(realPath+userPath); file.saveAs(svpath,SmartUpload.SAVE_VIRTUAL); try { OCRUtil.runOCR(realPath, realPath+svpath, realPath+userPath+"ocr",true); request.setAttribute("txt", FileUtil.read(realPath+userPath+"ocr.txt").trim()); request.getRequestDispatcher("/index.jsp").forward(request, response); } catch (Exception e) { e.printStackTrace(); } FileUtil.delete(realPath+userPath); } } catch (SmartUploadException e) { e.printStackTrace(); } } }