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【更新】优化代码，pdf文件预览无需转换

pull/22/head
xuyuxiang 2021-02-23 11:04:33 +08:00
parent ce70caa824
commit 7e2eeaef7c
2 changed files with 43 additions and 14 deletions
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25
xiaonuo-base/xiaonuo-core/src/main/java/com/cn/xiaonuo/core/consts/MediaTypeConstant.java
View File

@ -96,4 +96,29 @@ public interface MediaTypeConstant {
* 文档pptx格式
*/
String DOC_PPTX = "pptx";
/**
* 文档pdf格式
*/
String DOC_PDF = "pdf";
/**
* 文件html格式
*/
String FILE_HTML = "html";
/**
* 文件htm格式
*/
String FILE_HTM = "htm";
/**
* 文件swf格式
*/
String FILE_SWF = "swf";
/**
* 文件flash格式
*/
String FILE_FLASH = "flash";
}

32
xiaonuo-base/xiaonuo-core/src/main/java/com/cn/xiaonuo/core/util/LibreOfficeUtil.java
View File

@ -45,19 +45,21 @@ public class LibreOfficeUtil {
* @date 2020/7/6 15:02
*/
public static void convertToPdf(InputStream inputStream, OutputStream outputStream, String fileSuffix) {
init();
final DocumentFormatEnum documentFormatEnum = DocumentFormatEnum.valueOf(fileSuffix.toUpperCase());
final DocumentFormat format = documentFormatEnum.getFormFormat();
log.info(">>> 待转换的文档类型：{}", format);
final DocumentFormat targetFormat = documentFormatEnum.getTargetFormat();
log.info(">>> 转换的目标文档类型：{}", targetFormat);
try {
final InputStream is = documentFormatEnum.getInputStream(inputStream);
documentConverter.convert(is).as(format).to(outputStream).as(targetFormat).execute();
} catch (IOException | OfficeException e) {
e.printStackTrace();
if(!MediaTypeConstant.DOC_PDF.equals(fileSuffix)) {
init();
final DocumentFormatEnum documentFormatEnum = DocumentFormatEnum.valueOf(fileSuffix.toUpperCase());
final DocumentFormat format = documentFormatEnum.getFormFormat();
log.info(">>> 待转换的文档类型：{}", format);
final DocumentFormat targetFormat = documentFormatEnum.getTargetFormat();
log.info(">>> 转换的目标文档类型：{}", targetFormat);
try {
final InputStream is = documentFormatEnum.getInputStream(inputStream);
documentConverter.convert(is).as(format).to(outputStream).as(targetFormat).execute();
} catch (IOException | OfficeException e) {
e.printStackTrace();
}
log.info(">>> 文件转换结束");
}
log.info(">>> 文件转换结束");
}
/**
@ -88,7 +90,8 @@ public class LibreOfficeUtil {
|| MediaTypeConstant.DOC_XLS.equals(fileSuffix)
|| MediaTypeConstant.DOC_XLSX.equals(fileSuffix)
|| MediaTypeConstant.DOC_PPT.equals(fileSuffix)
|| MediaTypeConstant.DOC_PPTX.equals(fileSuffix);
|| MediaTypeConstant.DOC_PPTX.equals(fileSuffix)
|| MediaTypeConstant.DOC_PDF.equals(fileSuffix);
}
/**
@ -103,7 +106,8 @@ public class LibreOfficeUtil {
|| MediaTypeConstant.DOC_DOC.equals(fileSuffix)
|| MediaTypeConstant.DOC_DOCX.equals(fileSuffix)
|| MediaTypeConstant.DOC_PPT.equals(fileSuffix)
|| MediaTypeConstant.DOC_PPTX.equals(fileSuffix)) {
|| MediaTypeConstant.DOC_PPTX.equals(fileSuffix)
|| MediaTypeConstant.DOC_PDF.equals(fileSuffix)) {
return MediaType.APPLICATION_PDF_VALUE;
} else {
//否则是html类型