调整 tif文件生成图片 添加后缀 防止同名产生 简化代码

server/src/main/java/cn/keking/service/impl/TiffFilePreviewImpl.java

@@ -49,32 +49,32 @@ public class TiffFilePreviewImpl implements FilePreview {
             return TIFF_FILE_PREVIEW_PAGE;
         } else if ("jpg".equalsIgnoreCase(tifPreviewType) || "pdf".equalsIgnoreCase(tifPreviewType)) {
             String pdfName = fileName.substring(0, fileName.lastIndexOf(".")) + suffix +"." + "pdf" ; //生成文件添加类型后缀 防止同名文件
-            String jpgName = fileName.substring(0, fileName.lastIndexOf(".")) + suffix +"." + "jpg" ; //生成文件添加类型后缀 防止同名文件
+            String jpgName = fileName.substring(0, fileName.lastIndexOf(".")) + suffix; //生成文件添加类型后缀 防止同名文件
             String strLocalTif = fileDir + fileName;
             String outFilePath = fileDir + pdfName;
             if ("pdf".equalsIgnoreCase(tifPreviewType)) {
-                    //当文件不存在时，就去下载
+                //当文件不存在时，就去下载
-                    if (forceUpdatedCache || !fileHandlerService.listConvertedFiles().containsKey(pdfName) || !ConfigConstants.isCacheEnabled()) {
+                if (forceUpdatedCache || !fileHandlerService.listConvertedFiles().containsKey(pdfName) || !ConfigConstants.isCacheEnabled()) {
-                        ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, fileName);
+                    ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, fileName);
-                        if (response.isFailure()) {
+                    if (response.isFailure()) {
-                            return otherFilePreview.notSupportedFile(model, fileAttribute, response.getMsg());
+                        return otherFilePreview.notSupportedFile(model, fileAttribute, response.getMsg());
-                        }
-                        String filePath = response.getContent();
-                        if(ConvertPicUtil.convertJpg2Pdf(filePath, outFilePath)){
-                            if(ConfigConstants.getdeletesourcefile()){  //是否保留TIFF源文件
-                                KkFileUtils.deleteFileByPath(filePath);
-                            }
-                            if (ConfigConstants.isCacheEnabled()) {
-                                // 加入缓存
-                                fileHandlerService.addConvertedFile(pdfName, fileHandlerService.getRelativePath(outFilePath));
-                            }
-                            model.addAttribute("pdfUrl", pdfName);
-                            return PDF_FILE_PREVIEW_PAGE;
-                        }else {
-                            return NOT_SUPPORTED_FILE_PAGE;
-                        }
                     }
-                 else {
+                    String filePath = response.getContent();
+                    if(ConvertPicUtil.convertJpg2Pdf(filePath, outFilePath)){
+                        if(ConfigConstants.getdeletesourcefile()){  //是否保留TIFF源文件
+                            KkFileUtils.deleteFileByPath(filePath);
+                        }
+                        if (ConfigConstants.isCacheEnabled()) {
+                            // 加入缓存
+                            fileHandlerService.addConvertedFile(pdfName, fileHandlerService.getRelativePath(outFilePath));
+                        }
+                        model.addAttribute("pdfUrl", pdfName);
+                        return PDF_FILE_PREVIEW_PAGE;
+                    }else {
+                        return NOT_SUPPORTED_FILE_PAGE;
+                    }
+                }
+                else {
                     model.addAttribute("pdfUrl", pdfName);
                     return PDF_FILE_PREVIEW_PAGE;
                 }
@@ -88,10 +88,8 @@ public class TiffFilePreviewImpl implements FilePreview {
                     }
                     strLocalTif = response.getContent();
                 }
-                // 以JPG模式预览的过程
-                String strJpgFilePathName = fileDir + jpgName;
                 // 将tif转换为jpg，返回转换后的文件路径、文件名的list
-                List<String> listPic2Jpg = ConvertPicUtil.convertTif2Jpg(strLocalTif, strJpgFilePathName);
+                List<String> listPic2Jpg = ConvertPicUtil.convertTif2Jpg(strLocalTif, jpgName);
                 // 将返回页面的图片url的list对象
                 List<String> listImageUrls = new ArrayList<>();
                 // 循环，拼装url的list对象

server/src/main/java/cn/keking/utils/ConvertPicUtil.java

@@ -45,46 +45,26 @@ public class ConvertPicUtil {
             return null;
         }
         strInputFile = strInputFile.replaceAll("\\\\", "/");
-        strOutputFile = strOutputFile.replaceAll("\\\\", "/");
         FileSeekableStream fileSeekStream = null;
         try {
             JPEGEncodeParam jpegEncodeParam = new JPEGEncodeParam();
             TIFFEncodeParam tiffEncodeParam = new TIFFEncodeParam();
             tiffEncodeParam.setCompression(TIFFEncodeParam.COMPRESSION_GROUP4);
             tiffEncodeParam.setLittleEndian(false);
-            String jpgname = strInputFile.replace(fileDir.replace("\\","/"), "");
-            int index = jpgname.lastIndexOf(".");
-            String strFilePrefix = jpgname.substring(0, index);
             fileSeekStream = new FileSeekableStream(strInputFile);
             ImageDecoder imageDecoder = ImageCodec.createImageDecoder("TIFF", fileSeekStream, null);
             int intTifCount = imageDecoder.getNumPages();
             logger.info("该tif文件共有【" + intTifCount + "】页");
-            String strJpgPath;
+            String  strJpgPath = fileDir+strOutputFile;
-            String strJpgUrl;
-            if (intTifCount == 1) {
-                // 如果是单页tif文件，则转换的目标文件夹就在指定的位置
-                strJpgPath = strOutputFile.substring(0, strOutputFile.lastIndexOf("/"));
-            } else {
-                // 如果是多页tif文件，则在目标文件夹下，按照文件名再创建子目录，将转换后的文件放入此新建的子目录中
-                strJpgPath = strOutputFile.substring(0, strOutputFile.lastIndexOf("."));
-            }
-
             // 处理目标文件夹，如果不存在则自动创建
             File fileJpgPath = new File(strJpgPath);
             if (!fileJpgPath.exists() && !fileJpgPath.mkdirs()) {
                 logger.error("{} 创建失败", strJpgPath);
             }
-
             // 循环，处理每页tif文件，转换为jpg
             for (int i = 0; i < intTifCount; i++) {
-                String strJpg;
+                String strJpg= strJpgPath + "/" + i + ".jpg";
-                if (intTifCount == 1) {
+                String strJpgUrl = strOutputFile + "/" + i + ".jpg";
-                    strJpg = strJpgPath + "/" + strFilePrefix + ".jpg";
-                    strJpgUrl = strFilePrefix + ".jpg";
-                } else {
-                    strJpg = strJpgPath + "/" + i + ".jpg";
-                    strJpgUrl = strFilePrefix + "/" + i + ".jpg";
-                }
                 File fileJpg = new File(strJpg);
                 // 如果文件不存在，则生成
                 if (!fileJpg.exists()) {
@@ -98,7 +78,7 @@ public class ConvertPicUtil {
                     renderedOp.dispose();
                     logger.info("每页分别保存至： " + fileJpg.getCanonicalPath());
                 } else {
-                  //  logger.info("JPG文件已存在： " + fileJpg.getCanonicalPath());
+                    //  logger.info("JPG文件已存在： " + fileJpg.getCanonicalPath());
                 }
 
                 listImageFiles.add(strJpgUrl);
@@ -154,7 +134,7 @@ public class ConvertPicUtil {
         }
         catch (Exception e)
         {
-           System.out.println("错误:"+ e.getMessage());
+            System.out.println("错误:"+ e.getMessage());
         }
         finally {
             document.close();