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抽象通用的预览异常接口实现

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This commit is contained in:
chenkailing
2020-12-27 14:47:28 +08:00
committed by kl
parent 1f1970232b
commit 9c83860e1b
10 changed files with 68 additions and 69 deletions
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20
server/src/main/java/cn/keking/service/impl/OfficeFilePreviewImpl.java
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@ -27,10 +27,12 @@ public class OfficeFilePreviewImpl implements FilePreview {
private final FileHandlerService fileHandlerService;
private final OfficeToPdfService officeToPdfService;
private final OtherFilePreviewImpl otherFilePreview;
public OfficeFilePreviewImpl(FileHandlerService fileHandlerService, OfficeToPdfService officeToPdfService) {
public OfficeFilePreviewImpl(FileHandlerService fileHandlerService, OfficeToPdfService officeToPdfService, OtherFilePreviewImpl otherFilePreview) {
this.fileHandlerService = fileHandlerService;
this.officeToPdfService = officeToPdfService;
this.otherFilePreview = otherFilePreview;
}
@Override
@ -38,8 +40,8 @@ public class OfficeFilePreviewImpl implements FilePreview {
// 预览Type，参数传了就取参数的，没传取系统默认
String officePreviewType = fileAttribute.getOfficePreviewType();
String baseUrl = BaseUrlFilter.getBaseUrl();
String suffix=fileAttribute.getSuffix();
String fileName=fileAttribute.getName();
String suffix = fileAttribute.getSuffix();
String fileName = fileAttribute.getName();
boolean isHtml = suffix.equalsIgnoreCase("xls") || suffix.equalsIgnoreCase("xlsx");
String pdfName = fileName.substring(0, fileName.lastIndexOf(".") + 1) + (isHtml ? "html" : "pdf");
String outFilePath = FILE_DIR + pdfName;
@ -48,9 +50,7 @@ public class OfficeFilePreviewImpl implements FilePreview {
String filePath;
ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, null);
if (response.isFailure()) {
model.addAttribute("fileType", suffix);
model.addAttribute("msg", response.getMsg());
return "fileNotSupported";
return otherFilePreview.notSupportedFile(model, fileAttribute, response.getMsg());
}
filePath = response.getContent();
if (StringUtils.hasText(outFilePath)) {
@ -66,18 +66,16 @@ public class OfficeFilePreviewImpl implements FilePreview {
}
}
if (!isHtml && baseUrl != null && (OFFICE_PREVIEW_TYPE_IMAGE.equals(officePreviewType) || OFFICE_PREVIEW_TYPE_ALL_IMAGES.equals(officePreviewType))) {
return getPreviewType(model, fileAttribute, officePreviewType, baseUrl, pdfName, outFilePath, fileHandlerService, OFFICE_PREVIEW_TYPE_IMAGE);
return getPreviewType(model, fileAttribute, officePreviewType, baseUrl, pdfName, outFilePath, fileHandlerService, OFFICE_PREVIEW_TYPE_IMAGE, otherFilePreview);
}
model.addAttribute("pdfUrl", pdfName);
return isHtml ? "html" : "pdf";
}
static String getPreviewType(Model model, FileAttribute fileAttribute, String officePreviewType, String baseUrl, String pdfName, String outFilePath, FileHandlerService fileHandlerService, String officePreviewTypeImage) {
static String getPreviewType(Model model, FileAttribute fileAttribute, String officePreviewType, String baseUrl, String pdfName, String outFilePath, FileHandlerService fileHandlerService, String officePreviewTypeImage, OtherFilePreviewImpl otherFilePreview) {
List<String> imageUrls = fileHandlerService.pdf2jpg(outFilePath, pdfName, baseUrl);
if (imageUrls == null || imageUrls.size() < 1) {
model.addAttribute("msg", "office转图片异常，请联系管理员");
model.addAttribute("fileType",fileAttribute.getSuffix());
return "fileNotSupported";
return otherFilePreview.notSupportedFile(model, fileAttribute, "office转图片异常，请联系管理员");
}
model.addAttribute("imgurls", imageUrls);
model.addAttribute("currentUrl", imageUrls.get(0));