解决PDF转WORD下载问题

doc-biz/src/main/java/com/doc/biz/controller/DocInfoController.java

@@ -394,13 +394,29 @@ public class DocInfoController extends BaseController {
     @Log(title = "PDF转WORD", businessType = BusinessType.INSERT, eventLevel = EventLevel.MIDDLE)
     @PostMapping("/pdf2word")
     public void pdf2word(@ApiParam(value = "文件", required = true) @RequestPart(value = "file") MultipartFile file, HttpServletResponse response) {
-        try (ServletOutputStream os = response.getOutputStream(); Document doc = new Document(file.getInputStream());) {
+        try (Document doc = new Document(file.getInputStream());) {
+            write(doc, file.getOriginalFilename(), response);
+        } catch (Exception e) {
+            logger.error("Pdf 转 Word 失败{}", e.getMessage());
+            e.printStackTrace();
+        }
+    }
+
+    /**
+     * 写入文件流
+     * @param doc doc
+     * @param fileName 文件流
+     * @param response res
+     */
+    private void write(Document doc, String fileName, HttpServletResponse response) {
+        try (ServletOutputStream os = response.getOutputStream();) {
             //doc是将要被转化的word文档
+            String disposition = "attachment; filename=\"" + UriEncoder.encode(fileName) + "\"";
+            response.addHeader(HttpHeaders.CONTENT_DISPOSITION, disposition);
+            response.addHeader(HttpHeaders.CONTENT_TYPE, "application/octet-stream");
+            response.setContentType("application/octet-stream");
             //全面支持DOC, DOCX, OOXML, RTF HTML, OpenDocument, PDF, EPUB, XPS, SWF 相互转换
             doc.save(os, SaveFormat.DocX);
-            String disposition = "attachment; filename=\"" + UriEncoder.encode(file.getOriginalFilename()) + "\"";
-            response.addHeader(HttpHeaders.CONTENT_DISPOSITION, disposition);
-            response.addHeader(HttpHeaders.CONTENT_TYPE, ".docx");
             os.flush();
         } catch (Exception e) {
             logger.error("Pdf 转 Word 失败{}", e.getMessage());
@@ -414,14 +430,8 @@ public class DocInfoController extends BaseController {
     @GetMapping("/pdf2word/{fileId}")
     public void pdf2word(@PathVariable(name = "fileId") String fileId, HttpServletResponse response) {
         DocumentVO vo = mongoService.downloadFile(fileId);
-        try (ServletOutputStream os = response.getOutputStream(); Document doc = new Document(vo.getData());) {
-            //doc是将要被转化的word文档
-            //全面支持DOC, DOCX, OOXML, RTF HTML, OpenDocument, PDF, EPUB, XPS, SWF 相互转换
-            doc.save(os, SaveFormat.DocX);
-            String disposition = "attachment; filename=\"" + UriEncoder.encode(vo.getFileName()) + "\"";
-            response.addHeader(HttpHeaders.CONTENT_DISPOSITION, disposition);
-            response.addHeader(HttpHeaders.CONTENT_TYPE, ".docx");
-            os.flush();
+        try (Document doc = new Document(vo.getData())) {
+            write(doc, vo.getFileName(), response);
         } catch (Exception e) {
             logger.error("Pdf 转 Word 失败{}", e.getMessage());
             e.printStackTrace();