merge 档案管理

atms-api/src/main/java/pwc/taxtech/atms/controller/TaxDocumentController.java

@@ -115,8 +115,9 @@ public class TaxDocumentController {
      */
     @PostMapping("/previewPDF")
     @ResponseBody
-    public String previewPDF(HttpServletResponse response ,@RequestBody TaxDocumentDto taxDocumentDto) {
-        return taxDocumentService.previewPDF2(response,taxDocumentDto.getPath());
+    public void previewPDF(HttpServletResponse response ,@RequestBody TaxDocumentDto taxDocumentDto) {
+//        return taxDocumentService.previewPDF2(response,taxDocumentDto.getPath());
+        taxDocumentService.previewPDF(response,taxDocumentDto.getPath());
         /*InputStream is = null;
         ByteArrayOutputStream os = null;
         try {

atms-api/src/main/java/pwc/taxtech/atms/service/impl/TaxDocumentServiceImpl.java

@@ -438,8 +438,10 @@ public class TaxDocumentServiceImpl {
         try {
             sos = response.getOutputStream();
             PDFToImg(sos, path, getPDFNum(path), imageType);
-        } catch (IOException e) {
+            sos.flush();
+        } catch (Exception e) {
             log.error("PDF转换图片异常: " + e.getMessage());
+            throw new RuntimeException("PDF转换异常");
         } finally {
             try {
                 sos.close();
@@ -1162,7 +1164,7 @@ public class TaxDocumentServiceImpl {
      * @throws IOException
      * imgType:转换后的图片类型 jpg,png
      */
-    private void PDFToImg(OutputStream sos,String fileUrl,int page,String imgType) throws IOException {
+    private void PDFToImg(OutputStream sos,String fileUrl,int page,String imgType) throws Exception {
         PDDocument pdDocument = null;
         /* dpi越大转换后越清晰，相对转换速度越慢 */
         int dpi = 100;
@@ -1171,12 +1173,13 @@ public class TaxDocumentServiceImpl {
             PDFRenderer renderer = new PDFRenderer(pdDocument);
             int pages = pdDocument.getNumberOfPages();
             if (page <= pages && page > 0) {
-                BufferedImage image = renderer.renderImageWithDPI(page,dpi);
+                BufferedImage image = renderer.renderImageWithDPI(page-1,dpi);
                 ImageIO.write(image, imgType, sos);
             }
         } catch (Exception e) {
             e.printStackTrace();
             log.error(e.getMessage(),e);
+            throw new RuntimeException("PDF转换异常");
         } finally {
             if (pdDocument != null) {
                 pdDocument.close();