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5.0版本 发布 新增 cadviewer转换方法

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高雄
2026-01-22 11:28:25 +08:00
parent 7dc0469b30
commit e43f10138f
1022 changed files with 293112 additions and 3187 deletions
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52
server/src/main/java/cn/keking/service/impl/PdfFilePreviewImpl.java
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@@ -8,7 +8,6 @@ import cn.keking.service.FilePreview;
import cn.keking.service.PdfToJpgService;
import cn.keking.utils.DownloadUtils;
import cn.keking.utils.FileConvertStatusManager;
import cn.keking.utils.KkFileUtils;
import cn.keking.utils.WebUtils;
import org.apache.commons.lang3.exception.ExceptionUtils;
import org.apache.poi.EncryptedDocumentException;
@@ -37,16 +36,19 @@ public class PdfFilePreviewImpl implements FilePreview {
private final FileHandlerService fileHandlerService;
private final OtherFilePreviewImpl otherFilePreview;
private final PdfToJpgService pdftojpgservice;
private final OfficeFilePreviewImpl officefilepreviewimpl;
// 用于处理回调的线程池
private static final ExecutorService callbackExecutor = Executors.newFixedThreadPool(3);
public PdfFilePreviewImpl(FileHandlerService fileHandlerService,
OtherFilePreviewImpl otherFilePreview,
OfficeFilePreviewImpl officefilepreviewimpl,
PdfToJpgService pdftojpgservice) {
this.fileHandlerService = fileHandlerService;
this.otherFilePreview = otherFilePreview;
this.pdftojpgservice = pdftojpgservice;
this.officefilepreviewimpl = officefilepreviewimpl;
}
@Override
@@ -56,35 +58,25 @@ public class PdfFilePreviewImpl implements FilePreview {
boolean forceUpdatedCache = fileAttribute.forceUpdatedCache(); //是否启用强制更新命令
String outFilePath = fileAttribute.getOutFilePath(); //生成的文件路径
String originFilePath; //原始文件路径
String cacheName = fileAttribute.getCacheName();
String cacheName = pdfName+officePreviewType;
String filePassword = fileAttribute.getFilePassword(); // 获取密码
int refreshSchedule = ConfigConstants.getTime();
// 查询转换状态
FileConvertStatusManager.ConvertStatus status = FileConvertStatusManager.getConvertStatus(cacheName);
if (status != null) {
if (status.getStatus() == FileConvertStatusManager.Status.CONVERTING) {
// 正在转换中，返回等待页面
model.addAttribute("fileName", pdfName);
model.addAttribute("time", refreshSchedule);
model.addAttribute("message", status.getRealTimeMessage());
return WAITING_FILE_PREVIEW_PAGE;
} else if (status.getStatus() == FileConvertStatusManager.Status.TIMEOUT) {
// 超时状态，不允许重新转换
return otherFilePreview.notSupportedFile(model, fileAttribute, "文件转换已超时，无法继续转换");
}
String statusResult = officefilepreviewimpl.checkAndHandleConvertStatus(model, pdfName, cacheName, fileAttribute);
if (statusResult != null) {
return statusResult;
}
boolean jiami=false;
if(!ObjectUtils.isEmpty(filePassword)){
jiami=pdftojpgservice.hasEncryptedPdfCacheSimple(outFilePath);
}
if (OfficeFilePreviewImpl.OFFICE_PREVIEW_TYPE_IMAGE.equals(officePreviewType) ||
OfficeFilePreviewImpl.OFFICE_PREVIEW_TYPE_ALL_IMAGES.equals(officePreviewType)) {
// 判断之前是否已转换过，如果转换过，直接返回，否则执行转换
if (forceUpdatedCache || !fileHandlerService.listConvertedFiles().containsKey(cacheName) || !ConfigConstants.isCacheEnabled()) {
if(jiami){
return renderPreview(model, cacheName, outFilePath,
officePreviewType, pdfName, fileAttribute);
officePreviewType, fileAttribute);
}
// 当文件不存在时，就去下载
ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, pdfName);
@@ -98,15 +90,17 @@ public class PdfFilePreviewImpl implements FilePreview {
if (checkIfPdfNeedsPassword(originFilePath, cacheName, pdfName)) {
model.addAttribute("needFilePassword", true);
model.addAttribute("fileName", pdfName);
model.addAttribute("cacheName", cacheName);
model.addAttribute("cacheName", pdfName);
return EXEL_FILE_PREVIEW_PAGE;
}
}
try {
// 启动异步转换
startAsyncPdfConversion(originFilePath, outFilePath, cacheName, pdfName, fileAttribute);
int refreshSchedule = ConfigConstants.getTime();
// 返回等待页面
model.addAttribute("fileName", pdfName);
model.addAttribute("time", refreshSchedule);
model.addAttribute("message", "文件正在转换中，请稍候...");
return WAITING_FILE_PREVIEW_PAGE;
} catch (Exception e) {
@@ -116,7 +110,7 @@ public class PdfFilePreviewImpl implements FilePreview {
} else {
// 如果已有缓存，直接渲染预览
return renderPreview(model, cacheName, outFilePath,
officePreviewType, pdfName, fileAttribute);
officePreviewType, fileAttribute);
}
} else {
// 处理普通PDF预览（非图片转换）
@@ -175,13 +169,13 @@ public class PdfFilePreviewImpl implements FilePreview {
FileConvertStatusManager.updateProgress(cacheName, "正在启动PDF转换", 10);
List<String> imageUrls = pdftojpgservice.pdf2jpg(originFilePath, outFilePath,
pdfName, fileAttribute);
fileAttribute);
if (imageUrls != null && !imageUrls.isEmpty()) {
boolean usePasswordCache = fileAttribute.getUsePasswordCache();
String filePassword = fileAttribute.getFilePassword();
if (ConfigConstants.isCacheEnabled() && (ObjectUtils.isEmpty(filePassword) || usePasswordCache)) {
fileHandlerService.addConvertedFile(pdfName, fileHandlerService.getRelativePath(outFilePath));
fileHandlerService.addConvertedFile(cacheName, fileHandlerService.getRelativePath(outFilePath));
}
FileConvertStatusManager.updateProgress(cacheName, "转换完成", 100);
// 短暂延迟后清理状态
@@ -214,17 +208,7 @@ public class PdfFilePreviewImpl implements FilePreview {
// 添加转换完成后的回调
conversionFuture.whenCompleteAsync((imageUrls, throwable) -> {
if (imageUrls != null && !imageUrls.isEmpty()) {
try {
// 是否保留PDF源文件（只在转换成功后才删除）
if (!fileAttribute.isCompressFile() && ConfigConstants.getDeleteSourceFile()) {
KkFileUtils.deleteFileByPath(originFilePath);
}
} catch (Exception e) {
logger.error("PDF转换后续处理失败: {}", originFilePath, e);
}
} else {
// 转换失败，保留源文件供排查问题
if (imageUrls == null || imageUrls.isEmpty()) {
logger.error("PDF转换失败，保留源文件: {}", originFilePath);
if (throwable != null) {
logger.error("转换失败原因: ", throwable);
@@ -238,7 +222,7 @@ public class PdfFilePreviewImpl implements FilePreview {
*/
private String renderPreview(Model model, String cacheName,
String outFilePath, String officePreviewType,
String pdfName, FileAttribute fileAttribute) {
FileAttribute fileAttribute) {
try {
List<String> imageUrls;
if(pdftojpgservice.hasEncryptedPdfCacheSimple(outFilePath)){
@@ -251,7 +235,7 @@ public class PdfFilePreviewImpl implements FilePreview {
}
model.addAttribute("imgUrls", imageUrls);
model.addAttribute("currentUrl", imageUrls.get(0));
model.addAttribute("currentUrl", imageUrls.getFirst());
if (OfficeFilePreviewImpl.OFFICE_PREVIEW_TYPE_IMAGE.equals(officePreviewType)) {
return OFFICE_PICTURE_FILE_PREVIEW_PAGE;