base/file-online-preview
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新增功能:添加更新缓存方法&force_updated_cache=true

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This commit is contained in:
gaoxiongzaq
2023-04-23 11:22:29 +08:00
parent e840201b1e
commit f8c7ce647c
8 changed files with 37 additions and 12 deletions
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7
server/src/main/java/cn/keking/service/impl/OfficeFilePreviewImpl.java
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@ -47,12 +47,13 @@ public class OfficeFilePreviewImpl implements FilePreview {
String suffix = fileAttribute.getSuffix();
String fileName = fileAttribute.getName();
String filePassword = fileAttribute.getFilePassword();
boolean forceUpdatedCache=fileAttribute.forceUpdatedCache();
String userToken = fileAttribute.getUserToken();
boolean isHtml = suffix.equalsIgnoreCase("xls") || suffix.equalsIgnoreCase("xlsx") || suffix.equalsIgnoreCase("csv") || suffix.equalsIgnoreCase("xlsm") || suffix.equalsIgnoreCase("xlt") || suffix.equalsIgnoreCase("xltm") || suffix.equalsIgnoreCase("et") || suffix.equalsIgnoreCase("ett") || suffix.equalsIgnoreCase("xlam");
String pdfName = fileName.substring(0, fileName.lastIndexOf(".") + 1) + (isHtml ? "html" : "pdf");
String cacheFileName = userToken == null ? pdfName : userToken + "_" + pdfName;
String outFilePath = FILE_DIR + cacheFileName;
if ( !fileHandlerService.listConvertedFiles().containsKey(pdfName) || !ConfigConstants.isCacheEnabled()) {
if (forceUpdatedCache|| !fileHandlerService.listConvertedFiles().containsKey(pdfName) || !ConfigConstants.isCacheEnabled()) {
// 下载远程文件到本地，如果文件在本地已存在不会重复下载
ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, fileName);
if (response.isFailure()) {
@ -70,7 +71,7 @@ public class OfficeFilePreviewImpl implements FilePreview {
if (ConfigConstants.isCacheEnabled()) {
// 全局开启缓存
isUseCached = true;
if (fileHandlerService.listConvertedFiles().containsKey(cacheFileName)) {
if (!forceUpdatedCache && fileHandlerService.listConvertedFiles().containsKey(cacheFileName)) {
// 存在缓存
isCached = true;
}
@ -132,7 +133,7 @@ public class OfficeFilePreviewImpl implements FilePreview {
static String getPreviewType(Model model, FileAttribute fileAttribute, String officePreviewType, String baseUrl, String pdfName, String outFilePath, FileHandlerService fileHandlerService, String officePreviewTypeImage, OtherFilePreviewImpl otherFilePreview) {
String suffix = fileAttribute.getSuffix();
boolean isPPT = suffix.equalsIgnoreCase("ppt") || suffix.equalsIgnoreCase("pptx");
List<String> imageUrls = fileHandlerService.pdf2jpg(outFilePath, pdfName, baseUrl);
List<String> imageUrls = fileHandlerService.pdf2jpg(outFilePath, pdfName, baseUrl, fileAttribute);
if (imageUrls == null || imageUrls.size() < 1) {
return otherFilePreview.notSupportedFile(model, fileAttribute, "office转图片异常，请联系管理员");
}